( 12 ) United States Patent
`Bayyouk et al .
`
`( 54 ) PUMP ASSEMBLY INCLUDING FLUID
`CYLINDER AND TAPERED VALVE SEATS
`( 71 ) Applicant : S . P . M . FLOW CONTROL , INC . , Fort
`Worth , TX ( US )
`( 72 ) Inventors : Jacob A . Bayyouk , Richardson , TX
`( US ) ; Tugrul Comlekci , Glasgow ( GB )
`( 73 ) Assignee : S . P . M . Flow Control , Inc . , Fort Worth ,
`TX ( US )
`Subject to any disclaimer , the term of this
`patent is extended or adjusted under 35
`U . S . C . 154 ( b ) by 0 days .
`( 21 ) Appl . No . : 15 / 355 , 609
`( 22 ) Filed :
`Nov . 18 , 2016
`( 65 )
`Prior Publication Data
`US 2017 / 0067459 A1 Mar . 9 , 2017
`
`( * ) Notice :
`
`Related U . S . Application Data
`Continuation of application No . 29 / 546 , 567 , filed on
`Nov . 24 , 2015 , now Pat . No . Des . 787 , 029 , which is
`( Continued )
`
`( 63 )
`
`( 51 )
`
`Int . CI .
`F04B 7700
`F16K 1 / 36
`
`( 2006 . 01 )
`( 2006 . 01 )
`( Continued )
`
`( 52 ) CPC
`
`CPC . . . . . . . . . . . . F04B 53 / 1087 ( 2013 . 01 ) ; B23P 6 / 00
`( 2013 . 01 ) ; B23P 15 / 00 ( 2013 . 01 ) ; F04B 7700
`( 2013 . 01 ) ;
`
`2013 . 01 ) ; B2
`( Continued )
`
`US010240597B2
`
`( 56 )
`
`AU
`CA
`
`( 10 ) Patent No . : US 10 , 240 , 597 B2
`( 45 ) Date of Patent :
`Mar . 26 , 2019
`( 58 ) Field of Classification Search
`CPC . . . . . . F04B 53 / 1087 ; F04B 53 / 10 ; F04B 53 / 16 ;
`F04B 7 / 00 ; F04B 39 / 122 ; F04B 53 / 22 ;
`( Continued )
`References Cited
`U . S . PATENT DOCUMENTS
`1 , 517 , 883 A
`12 / 1924 Alleman
`1 , 553 , 171 A
`9 / 1925 Jones
`( Continued )
`FOREIGN PATENT DOCUMENTS
`9517960 A
`11 / 1995
`2116461 Al 11 / 1994
`( Continued )
`OTHER PUBLICATIONS
`Baker SPD Drilling Products http : / / file . seekpart . com / keywordpdf
`2011 / 5 / 20 / 20115202149 1489 . pdf , dated May 20 , 2011 . *
`( Continued )
`Primary Examiner — Nathan C Zollinger
`( 74 ) Attorney , Agent , or Firm — Haynes and Boone , LLP
`ABSTRACT
`( 57 )
`According to one aspect , a pump assembly includes a fluid
`cylinder , the fluid cylinder including a fluid passage , the
`fluid passage defining a tapered internal shoulder of the fluid
`cylinder , the tapered internal shoulder defining a first angle .
`A valve controls flow of fluid through the fluid passage . The
`valve includes a valve seat , which is disposed in the fluid
`passage and includes a tapered external shoulder , the tapered
`external shoulder defining a second angle . In one embodi
`ment , the first tapered external shoulder engages the first
`tapered internal shoulder to distribute and transfer loading .
`10 Claims , 7 Drawing Sheets
`
`58b
`
`18
`
`40a - 7
`
`40b
`
`52 36 56
`760
`74
`
`38a
`
`118
`
`82 96
`
`Dyg
`
`having
`
`60a
`
`IN 86
`
`46
`
`18
`
`54
`BK 42 380
`
`h 42 . 84
`
`Vulcan
`Ex. 1008
`Page 1 of 21
`
`

`

`US 10 , 240 , 597 B2
`Page 2
`
`4 , 518 , 329 A
`4 , 547 , 005 A
`D292 , 308 S
`4 , 757 , 974 A *
`4 , 770 , 206 A
`4 , 860 , 995 A
`D303 , 710 S
`4 , 878 , 815 A
`4 , 922 , 957 A
`4 , 928 , 726 A
`4 , 951 , 707 A
`5 , 052 , 435 A
`5 , 088 , 521 A
`5 , 117 , 546 A
`D330 , 073 S
`5 , 193 , 577 A
`5 , 211 , 198 A
`5 , 234 , 322 A
`5 , 249 , 600 A
`5 , 345 , 965 A
`D355 , 708 S
`5 , 431 , 186 A
`5 , 505 , 530 A
`5 , 533 , 245 A
`D374 , 710 S
`5 , 695 , 224 A
`5 , 816 , 497 A
`5 , 876 , 189 A
`6 , 073 , 886 A
`6 , 195 , 863 B1
`6 , 227 , 225 B1
`6 , 382 , 940 B1
`6 , 435 , 475 B1
`D466 , 652 S
`6 , 623 , 259 B1
`6 , 641 , 112 B2
`6 , 641 , 115 B1
`6 , 679 , 477 B1
`6 , 695 , 007 B2
`6 , 701 , 955 B2
`D488 , 859 S
`6 , 910 , 871 B1
`6 , 955 , 181 B1
`6 , 955 , 339 B1
`D513 , 072 S
`D514 , 671 S
`7 , 000 , 632 B2
`7 , 011 , 111 B2
`D524 , 427 S
`D534 , 253 S
`7 , 168 , 440 B1
`7 , 172 , 175 B2 *
`
`7 , 222 , 837 B1
`D554 , 974 S
`7 , 296 , 591 B2
`D556 , 866 S
`D557 , 771 S
`7 , 335 , 002 B2
`D564 , 656 S
`7 , 341 , 435 B2
`D574 , 934 S
`7 , 513 , 483 B1
`D614 , 271 S
`D616 , 966 S
`7 , 748 , 095 Bi
`7 , 832 , 071 B2
`D631 , 142 S
`8 , 191 , 575 B2
`D682 , 989 S .
`D682 , 994 S
`D687 , 145 S
`8 , 496 , 224 B1
`D695 , 066 S
`D700 , 682 S
`D715 , 145 S
`D717 , 405 S
`D720 , 838 S
`
`. . . . . . . . .
`
`F16K 15 / 063
`137 / 542
`
`5 / 1985 Weaver
`10 / 1985 Soederhuyzen
`10 / 1987 Beltran
`7 / 1988 Ward
`9 / 1988 Sjoberg
`8 / 1989 Rogers
`9 / 1989 Neill
`11 / 1989 Stachowiak
`5 / 1990 Johnson
`5 / 1990 Johnson et al .
`8 / 1990 Johnson
`10 / 1991 Crudup et al .
`2 / 1992 Johnson
`6 / 1992 Lawrence et al .
`10 / 1992 Valls
`3 / 1993 De Koning
`5 / 1993 Tinholt
`8 / 1993 Daniels et al .
`10 / 1993 Blume
`9 / 1994 Blume
`2 / 1995 Caine
`7 / 1995 Blume
`4 / 1996 Kramer et al .
`7 / 1996 Stanton
`10 / 1996 Gustafsson
`12 / 1997 Grenier
`10 / 1998 Leon et al .
`3 / 1999 Lukas et al .
`6 / 2000 Jakubowski , Jr . et al .
`3 / 2001 Blake
`5 / 2001 Domingue
`5 / 2002 Blume
`8 / 2002 Blume
`12 / 2002 Thurman
`9 / 2003 Blume
`11 / 2003 Antoff et al .
`11 / 2003 Bainter
`1 / 2004 Blume
`2 / 2004 Vicars
`3 / 2004 Melntire et al .
`4 / 2004 Stout , Jr .
`6 / 2005 Blume
`10 / 2005 Blume
`10 / 2005 Blume
`12 / 2005 Berg
`2 / 2006 Jones
`2 / 2006 McIntire et al .
`3 / 2006 Spiegl et al .
`7 / 2006 Wilk et al .
`12 / 2006 Sandman et al .
`1 / 2007 Blume
`2 / 2007 Vicars
`
`F16K 15 / 063
`137 / 516 . 29
`
`5 / 2007 Blume
`11 / 2007 Huang
`11 / 2007 Moe et al .
`12 / 2007 Darce
`12 / 2007 Darce
`2 / 2008 Vicars
`3 / 2008 Matsutori
`3 / 2008 Vicars
`8 / 2008 Darce
`4 / 2009 Blume
`4 / 2010 Weston
`6 / 2010 Angell
`7 / 2010 Phane
`11 / 2010 Klann
`1 / 2011 Angeli
`6 / 2012 Krug , Jr . et al .
`5 / 2013 Eagle
`5 / 2013 Schulz
`7 / 2013 Gronberg
`7 / 2013 Gilstad et al .
`12 / 2013 Nakajima
`3 / 2014 Bayyouk et al .
`10 / 2014 Yamagishi et al .
`11 / 2014 Coronado
`1 / 2015 Yamagishi
`
`*
`
`F04B 53 / 1027
`137 / 543 . 13
`
`( 2006 . 01 )
`( 2006 . 01 )
`( 2006 . 01 )
`( 2006 . 01 )
`( 2006 . 01 )
`( 2006 . 01 )
`( 2006 . 01 )
`( 2006 . 01 )
`
`( 51 )
`
`( 52 )
`
`( 56 )
`
`Related U . S . Application Data
`a continuation of application No . 29 / 446 , 059 , filed on
`Feb . 20 , 2013 , now Pat . No . Des . 748 , 228 , which is
`a continuation of application No . 13 / 755 , 217 , filed on
`Jan . 31 , 2013 , now abandoned .
`Int . CI .
`F16K 1 / 42
`F04B 53 / 10
`F16K 25 / 00
`F04B 53 / 16
`F04B 53 / 22
`F16K 15 / 06
`B23P 15 / 00
`B23P 6 / 00
`U . S . CI .
`CPC . . . . . . . . . . . F04B 53 / 10 ( 2013 . 01 ) ; F04B 53 / 16
`( 2013 . 01 ) ; F04B 53 / 162 ( 2013 . 01 ) ; F04B
`53 / 22 ( 2013 . 01 ) ; F16K 1 / 36 ( 2013 . 01 ) ; F16K
`1 / 42 ( 2013 . 01 ) ; F16K 15 / 063 ( 2013 . 01 ) ; F16K
`25 / 00 ( 2013 . 01 ) ; YIOT 29 / 49236 ( 2015 . 01 )
`( 58 ) Field of Classification Search
`CPC . F16K 15 / 063 ; F16K 1 / 36 ; F16K 1 / 42 ; F16K
`25 / 00 ; Y10T 29 / 49236
`USPC . . . . . . . . . . . . . . .
`. . . . . . 251 / 360 , 361 , 362 , 363
`See application file for complete search history .
`References Cited
`U . S . PATENT DOCUMENTS
`1 , 652 , 857 A
`12 / 1927 Greve
`3 / 1929 Steirly
`1 , 705 , 789 A
`3 / 1929 Kibele
`1 , 707 , 017 A
`8 / 1929 Mahan
`1 , 726 , 187 A
`5 / 1933 Kayel
`1 , 908 , 899 A
`6 / 1933 Elms
`1 , 914 , 737 A
`2 / 1934 Penick et al .
`1 , 948 , 628 A
`2 , 421 , 276 A
`5 / 1947 Lotz
`2 , 475 , 040 A
`7 / 1949 Mandi
`10 / 1951 Hancock
`2 , 573 , 567 A
`7 / 1952 Barnaby
`2 , 602 , 434 A
`2 , 623 , 276 A
`12 / 1952 Anderson
`8 / 1959 Von Almen et al .
`2 , 898 , 082 A
`9 / 1959 Rodgers et al .
`2 , 903 , 235 A
`1 / 1961 Walton
`2 , 969 , 951 A
`. . . . . . .
`2 , 982 , 515 A
`5 / 1961 Rule
`5 / 1961 Bynum
`2 , 983 , 281 A
`3 , 029 , 501 A
`4 / 1962 Leathers
`11 / 1962 Roberts , Jr . et al .
`3 , 063 , 467 A
`10 / 1963 Davis et al .
`D196 , 724 S
`3 , 114 , 644 A
`12 / 1963 Peterson
`3 , 191 , 905 A
`6 / 1965 Brown
`6 / 1968 Romero
`3 , 387 , 353 A
`3 , 474 , 808 A
`10 / 1969 Robert
`3 , 489 , 170 A
`1 / 1970 Arthur
`7 / 1973 Matthews et al .
`D227 , 558 S
`3 , 801 , 234 A
`4 / 1974 Love et al .
`3 , 808 , 666 A
`5 / 1974 Bales
`8 / 1974 Freiheit
`3 , 830 , 255 A
`4 / 1976 Van Ravenzwaay et al .
`3 , 952 , 393 A
`3 , 990 , 139 A
`11 / 1976 Touchet
`5 / 1977 Eidelberg et al .
`D244 , 533 S
`4 , 076 , 212 A
`2 / 1978 Leman
`4 , 077 , 102 A
`3 / 1978 Smith
`8 / 1978 Elsbett et al .
`4 , 103 , 663 A
`3 / 1980 Hasegawa
`4 , 192 , 520 A
`5 / 1980 Striplin
`4 , 203 , 180 A
`4 , 257 , 163 A
`3 / 1981 Bauer
`8 / 1981 Irwin
`4 , 285 , 126 A
`4 , 432 , 386 A
`2 / 1984 Pacht
`
`Vulcan
`Ex. 1008
`Page 2 of 21
`
`

`

`( 56 )
`
`References Cited
`U . S . PATENT DOCUMENTS
`9 , 822 , 894 B2 *
`11 / 2017 Bayyouk . . . . . . . . . . . . . . . F16K 25 / 005
`2003 / 0084556 AL
`5 / 2003 Dunlop
`F04B 53 / 007
`2004 / 0170507 A1 *
`9 / 2004 Vicars . . . .
`417 / 360
`2004 / 0234404 Al 11 / 2004 Vicars
`2004 / 0239115 A112 / 2004 Wilk et al .
`2005 / 0081830 AL 4 / 2005 Yu et al .
`2005 / 0247353 AL 11 / 2005 Kao
`2006 / 0049627 AL
`3 / 2006 Happel
`2006 / 0124176 A1 6 / 2006 McIntire et al .
`2006 / 0131533 Al
`6 / 2006 Oh et al .
`2006 / 0273277 Al 12 / 2006 Heller et al .
`2008 / 0048446 AL 2 / 2008 Houghton
`2008 / 0279706 AL 11 / 2008 Gambier et al .
`2008 / 0284166 AL 11 / 2008 Darce
`2009 / 0012543 AL
`1 / 2009 Kansoul
`2009 / 0314979 A1 12 / 2009 McIntire
`2010 / 0275445 AL 11 / 2010 Weide
`2010 / 0325888 Al 12 / 2010 Hawes
`2011 / 0030213 AL 2 / 2011 Hawes et al .
`2011 / 0079302 A1 *
`4 / 2011 Hawes . . . . . . . . . . . . . . . . . . F16K 25 / 005
`137 / 538
`
`US 10 , 240 , 597 B2
`Page 3
`
`KR
`NL
`RU
`SU
`SU
`WO
`WO
`WO
`Wo
`WO
`WO
`WO
`WO
`WO
`WO
`WO
`
`798807 B1
`1020775 C2
`2073808 C1
`1576717 Al
`1751570 A1
`WO - 1999050578
`WO - 2008137515 A1
`WO - 2011002902 A2
`WO - 2011008763 A2
`WO - 2011017689 A2
`WO - 2011044332 A2
`WO - 2011060422 A2
`WO - 2012083179 A2
`WO - 2012142276 A1
`WO - 2013116488
`WO - 2013116634
`
`1 / 2008
`12 / 2003
`2 / 1997
`7 / 1990
`7 / 1992
`10 / 1999
`11 / 2008
`1 / 2011
`1 / 2011
`2 / 2011
`4 / 2011
`5 / 2011
`6 / 2012
`10 / 2012
`8 / 2013
`8 / 2013
`
`OTHER PUBLICATIONS
`“ Advisory Action dated Oct . 10 , 2013 , by the USPTO , re U . S . Appl .
`No . 13 / 445 , 513 ” .
`“ Final Office Action dated Jul . 5 , 2013 , by the USPTO , re U . S . Appl .
`No . 13 / 445 , 513 ” .
`“ International Preliminary Report on Patentability Ch II , dated Apr .
`15 , 2013 , by the IPEA / US , re PCT / US2012 / 033307 ” .
`“ International Search Report and Written Opinion by the ISA / US ,
`dated Apr . 9 , 2013 , re PCT / US2013 / 024096 ” .
`“ International Search Report and Written Opinion by the ISA US ,
`dated Apr . 9 , 2013 , re PCT / US2013 / 024325 ” .
`International Search Report and Written Opinion for Application
`No . PCT / US2010 / 044828 dated Mar . 29 , 2011 , 6 pages .
`International Search Report and Written Opinion for Application
`No . PCT / US2010 / 051777 dated Jun . 21 , 2011 , 11 pages .
`International Search Report and Written Opinion for Application
`No . PCT / US2010 / 056846 dated Jun . 23 , 2011 , 6 pages .
`International Search Report and Written Opinion for Application
`No . PCT / US2012 / 033307 dated Jul . 5 , 2012 , 10 pages .
`“ Notice of Allowance dated Dec . 5 , 2013 , by the USPTO , re U . S .
`Appl . No . 29 / 444 , 103 ” .
`“ Office Action dated Apr . 29 , 2013 , by the USPTO , re U . S . Appl .
`No . 12 / 852 , 376 " .
`“ Office Action dated Mar . 25 , 2013 , by the USPTO , re U . S . Appl .
`No . 13 / 445 , 513 ” .
`“ Office Action dated Mar . 26 , 2013 , by the USPTO , re U . S . Appl .
`No . 12 / 947 , 498 ” .
`" Office Action dated May 8 , 2012 , by the USPTO , re U . S . Appl . No .
`12 / 900 , 146 ” .
`“ Restriction Requirement dated Jan . 8 , 2013 , by the USPTO , re U . S .
`Appl . No . 12 / 947 , 498 ” .
`SPM Drawing # 3L108223 , Seat Puller Assy Listing TWS400
`QWS , mailed on Aug . 2 , 2002 .
`SPM Drawing # P108217 , Seat Puller Head Assembly 1 . 25 , mailed
`on Sep . 22 , 2008 .
`SPM Drawing # P23579 , Seat Puller / Head Assy . 4 . 50 " — 5 . 00 " TWS900 ,
`QWS mailed on Aug . 4 , 2008 .
`SPM Engineering Bulletin 1010 , Valve Seat Puller Jaws All Sizes
`of Valve Seats 2S - 75 - Original Style — New Style Featuring Initial
`Standoff - mailed on Jan . 1997 .
`“ Office Action dated Jul . 14 , 2014 , by the USPTO , re U . S . Appl . No .
`13 / 756 , 715 ” .
`“ Office Action dated Jul . 16 , 2014 , by the USPTO , re U . S . Appl . No .
`13 / 755 , 217 ” .
`Notice of Allowance dated Feb . 27 , 2015 , by the USPTO , re U . S .
`Appl . No . 29 / 446 , 059 .
`Notice of Allowance dated Aug . 26 , 2015 , by the USPTO , re U . S .
`Appl . No . 29 / 446 , 059 .
`Notice of Allowance dated Jan . 9 , 2017 , by the USPTO , re U . S .
`Appl . No . 29 / 546 , 567 .
`* cited by examiner
`
`2011 / 0126804 A1 6 / 2011 Lucas et al .
`2011 / 0173814 Al
`7 / 2011 Patel
`2011 / 0181040 A1
`7 / 2011 Thompson et al .
`2012 / 0141308 Al
`6 / 2012 Saini et al .
`2012 / 0292550 A1 11 / 2012 Meek
`2013 / 0020521 AL
`1 / 2013 Byrne
`2013 / 0168586 A1 7 / 2013 Cordova et al .
`2013 / 0168591 A1 7 / 2013 Webster
`2013 / 0202457 AL
`8 / 2013 Bayyouk et al .
`2013 / 0202458 AL
`8 / 2013 Byrne et al .
`FOREIGN PATENT DOCUMENTS
`6 / 2014
`152227
`6 / 2014
`152313
`2690624 Y
`4 / 2005
`2861553 Y
`1 / 2007
`2898364 Y
`5 / 2007
`200984728 Y
`12 / 2007
`201225272 Y
`4 / 2009
`201284735 Y
`8 / 2009
`201425921 Y
`3 / 2010
`201621057 U
`11 / 2010
`201730815 Y
`2 / 2011
`201747329
`2 / 2011
`201769174
`3 / 2011
`201786639 U
`4 / 2011
`10 / 2011
`202001288 U
`5 / 2012
`202220728 U
`202326186 U
`7 / 2012
`103370543 A
`10 / 2013
`103597262 A
`2 / 2014
`ZL201330349899
`2 / 2014
`ZL2013303742673
`3 / 2014
`69603178 T2
`3 / 2000
`9 / 1987
`0237112 A1
`0512594 A1
`11 / 1992
`855956 A
`12 / 1960
`12 / 1995
`7113426 B
`9217677 A
`8 / 1997
`2002161982 A
`6 / 2002
`2003065439 A
`3 / 2003
`2008539364
`11 / 2008
`2008546951 A
`12 / 2008
`2011017332 A
`1 / 2011
`5 / 1999
`181711 B1
`1019990079544
`11 / 1999
`5 / 2003
`100383826 B1
`100402825 B1
`10 / 2003
`
`CA
`CA
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`CN
`DE
`EP
`EP
`GB
`IP
`
`KR
`KR
`KR
`
`Vulcan
`Ex. 1008
`Page 3 of 21
`
`

`

`atent
`
`Mar . 26 , 2019
`
`Sheet 1 of 7
`
`US 10 , 240 , 597 B2
`
`20 "
`
`D
`
`510
`
`28
`24
`26
`T 14
`
`Fig . 1
`
`30 20
`
`DID 28
`64 VE 586
`
`18
`40
`40att
`
`52 36 56
`
`470a
`
`383
`
`60a
`
`Fig . 2
`
`154 (
`42 386
`
`Vulcan
`Ex. 1008
`Page 4 of 21
`
`

`

`U.S. Patent
`U . S . Patent
`
`Mar . 26 , 2019
`Mar. 26, 2019 Sheet 2 of 7
`Sheet 2 of 7
`
`US 10 , 240 , 597 B2
`US 10,240,597 B2
`
`104
`104
`96
`
`94
`43
`92
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`108
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`
`Vulcan
`Ex. 1008
`Page 5 of 21
`
`

`

`U . S . Patent
`
`Mar . 26 , 2019
`
`Sheet 3 of 7
`
`US 10 , 240 , 597 B2
`
`118
`
`382
`
`mt
`
`- 92
`
`94
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`Vulcan
`Ex. 1008
`Page 6 of 21
`
`

`

`atent
`
`Mar . 26 , 2019
`
`Sheet 4 of 7
`
`US 10 , 240 , 597 B2
`
`134
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`
`Vulcan
`Ex. 1008
`Page 7 of 21
`
`

`

`U.S. Patent
`U . S . Patent
`
`Mar . 26 , 2019
`Mar. 26, 2019
`
`Sheet 5 of 7
`Sheet 5 of 7
`
`US 10 , 240 , 597 B2
`US 10,240,597 B2
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`7
`129
`129
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`146 Fig . 9
`146
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`
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`
`Vulcan
`Ex. 1008
`Page 8 of 21
`
`

`

`U . S . Patent
`
`Mar . 26 , 2019
`
`Sheet 6 of 7
`
`US 10 , 240 , 597 B2
`
`150
`
`152
`
`PRODUCE REPLACEMENT FLUID CYLINDER , SIZING
`REPLACEMENT INSIDE DIAMETER OF REPLACEMENT
`FLUID CYLINDER SO THAT LEGACY VALVE SEAT IS
`NOT PERMITTED TO BE DISPOSED THEREIN
`
`PRODUCE REPLACEMENT VALVE SEAT , SIZING
`REPLACEMENT OUTSIDE DIAMETER OF
`REPLACEMENT VALVE SEAT SO THAT :
`REPLACEMENT OUTSIDE DIAMETER IS LESS THAN
`LEGACY INSIDE DIAMETER OF LEGACY FLUID
`CYLINDER ; AND RADIAL CLEARANCE IS DEFINED
`BETWEEN REPLACEMENT VALVE SEAT AND INSIDE
`SURFACE OF LEGACY FLUID CYLINDER DEFINED BY
`LEGACY FLUID PASSAGE IF REPLACEMENT VALVE
`SEAT IS DISPOSE IN LEGACY FLUID PASSAGE
`
`DISPOSE REPLACEMENT SEAT VALVE
`IN REPLACEMENT FLUID PASSAGE
`Fig . 10
`
`154
`
`156
`
`Vulcan
`Ex. 1008
`Page 9 of 21
`
`

`

`U.S. Patent
`U . S . Patent
`
`Mar . 26 , 2019
`Mar. 26, 2019
`
`Sheet 7 of 7
`Sheet 7 of 7
`
`US 10 , 240 , 597 B2
`US 10,240,597 B2
`
`134
`134z
`
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`
`1602 142
`
`160
`
`142
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`
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`7
`140
`140
`
`Vulcan
`Ex. 1008
`Page 10 of 21
`
`

`

`US 10 , 240 , 597 B2
`
`CROSS - REFERENCE TO RELATED
`APPLICATIONS
`
`PUMP ASSEMBLY INCLUDING FLUID
`CYLINDER AND TAPERED VALVE SEATS
`
`In certain exemplary embodiments , the first and second
`angles are equal .
`In another exemplary embodiment , each of the first and
`second angles is about 30 degrees measured from the first
`5 axis and the second axis aligned therewith .
`In certain exemplary embodiments , the fluid cylinder
`further includes a pressure chamber in fluid communication
`This application is a continuation of U . S . patent applica -
`with the first fluid passage ; a second fluid passage in fluid
`tion Ser . No . 29 / 546 , 567 , filed Nov . 24 , 2015 , which is a
`communication with the pressure chamber and through
`continuation of U . S . patent application Ser . No . 29 / 446 , 059 ,
`filed Feb . 20 , 2013 , now U . S . Patent No . D748 , 228 , issued 10 which fluid is adapted to flow along the first axis , the second
`Jan . 26 , 2016 , which is a continuation of U . S . patent
`fluid passage defining a second tapered internal shoulder of
`application Ser . No . 13 / 755 , 217 , filed Jan . 31 , 2013 ; the
`the fluid cylinder , the second tapered internal shoulder
`entire disclosures of U . S . patent application Ser . No . 29 / 546 ,
`defining a third angle from the first axis ; a fluid inlet passage
`567 , 29 / 446 , 059 , and 13 / 755 , 217 are hereby incorporated sin fluid communication with the pressure chamber via the
`herein by reference .
`first fluid passage ; and a fluid outlet passage in fluid com
`munication with the pressure chamber via the second fluid
`TECHNICAL FIELD
`passage ; wherein the pump assembly further includes a
`second valve to control flow of the fluid through the second
`This disclosure relates in general to pump assemblies and ,
`op assembly including á 20 fluid passage , the second valve includes a second valve seat
`in particular , a reciprocating pump assembly including a 20 m
`disposed in the second fluid passage , the second valve seat
`fluid cylinder and valve seats .
`having a third axis that is aligned with each of the first and
`second axes , the second valve seat includes a second tapered
`BACKGROUND OF THE DISCLOSURE
`external shoulder , the second tapered external shoulder
`Reciprocating pump assemblies typically include fluid 25 defining a fourth angle from the third axis ; and wherein each
`of the third and fourth angles ranges from about 10 degrees
`end blocks or fluid cylinders and inlet and outlet valves
`disposed therein . During operation , the inlet and outlet
`to about 45 degrees measured from the first axis and each of
`valves typically experience high loads and frequencies . In
`the second and third axes aligned therewith .
`some cases , valve seats of the inlet and outlet valves , as well
`In another exemplary embodiment , the second tapered
`as portions of the fluid cylinder engaged therewith , may be 30 internal shoulder and the second tapered external shoulder
`subjected to highly concentrated cyclic loads and thus may
`defines third and fourth frusto - conical surfaces , respectively ;
`fatigue to failure . Moreover , it is sometimes difficult to
`and wherein the second tapered internal shoulder engages
`remove valve seats from the fluid cylinder for replacement ,
`the second tapered external shoulder to distribute and trans
`which difficulty may result in damage to the fluid cylinder .
`fer loading between the third and fourth frusto - conical
`Further , when replacing a worn valve seat or producing a 35 surfaces .
`new pump assembly , an incorrect valve seat may uninten
`In yet another exemplary embodiment , the third and
`tionally be disposed in the fluid cylinder , which may hurt
`fourth angles are equal .
`pump performance and possibly damage the fluid cylinder or
`valve seat . In many cases , this mix - up of parts is possible
`in an exemplary embodiment , each of the third and fourth
`because differences between valve seats may not be easily 40 angles is about 30 degrees measured from the first axis and
`each of the second and third axes aligned therewith .
`discernable upon visual inspection . Therefore , what is
`In another exemplary embodiment , the first valve seat
`needed is an apparatus or method that addresses one or more
`further includes a seat body , the seat body includes an
`of the foregoing issues , among others .
`enlarged - diameter portion at one end thereof , the enlarged
`SUMMARY
`45 diameter portion includes the first tapered external shoulder
`and defining a first cylindrical surface extending axially
`In a first aspect , there is provided a pump assembly that
`from the first frusto - conical surface , the first cylindrical
`surface defining a first outside diameter ; a bore formed
`includes a fluid cylinder having a first axis , the fluid cylinder
`includes a first fluid passage through which fluid is adapted
`through the seat body , the bore defining a second cylindrical
`to flow along the first axis , the first fluid passage defining a 50 surface , the second cylindrical surface defining a first inside
`first tapered internal shoulder of the fluid cylinder , the first
`diameter ; wherein the first fluid passage includes an
`tapered internal shoulder defining a first angle from the first
`enlarged - diameter portion and a reduced - diameter portion
`axis ; and a first valve to control flow of fluid through the first
`extending axially therefrom ; wherein the enlarged - diameter
`fluid passage , the first valve includes a
`first valve seat
`portion of the first fluid passage defines the first tapered
`disposed in the first fluid passage , the first valve seat having 55 internal shoulder of the fluid cylinder ; wherein the reduced
`a second axis that is aligned with the first axis , the first valve
`diameter portion of the first fluid passage defines an inside
`seat includes a first tapered external shoulder , the first
`surface of the fluid cylinder and a second inside diameter ;
`tapered external shoulder defining a second angle from the
`wherein the enlarged - diameter portion of the seat body is
`second axis ; wherein each of the first and second angles
`disposed in the enlarged - diameter portion of the first fluid
`ranges from about 10 degrees to about 45 degrees measured 60 passage ; wherein the seat body defines an outside surface
`from the first axis and the second axis aligned therewith .
`that is engaged with the inside surface of the fluid cylinder ;
`In an exemplary embodiment , the first tapered internal
`and wherein the outside surface defines a second outside
`shoulder and the first tapered external shoulder define first
`diameter .
`and second frusto - conical surfaces , respectively ; and
`In yet another exemplary embodiment , at least one of the
`wherein the first tapered internal shoulder engages the first 65 inside surface of the fluid cylinder and the outside surface of
`tapered external shoulder to distribute and transfer loading
`the seat body is tapered at a taper angle from the first axis
`and the second axis aligned therewith , the taper angle
`between the first and second frusto - conical surfaces .
`
`Vulcan
`Ex. 1008
`Page 11 of 21
`
`

`

`US 10 , 240 , 597 B2
`
`ranging from greater than 0 degrees to about 5 degrees
`valve seat having a valve seat axis and includes a seat body ,
`measured from the first axis and the second axis aligned
`the seat body includes an enlarged - diameter portion at one
`therewith .
`end thereof , the enlarged - diameter portion includes a first
`In an exemplary embodiment , the first valve seat further
`tapered external shoulder , the first tapered external shoulder
`includes an annular groove formed in the outside surface of 5 defining a first angle from the valve seat axis , and a
`the seat body , the annular groove defining a groove diam
`frusto - conical surface extending at the first angle from the
`eter ; and a sealing element disposed in the annular groove
`valve seat axis , the first angle ranging from about 10 degrees
`and sealingly engaging the inside surface of the fluid cyl
`to about 45 degrees measured from the valve seat axis ,
`inder .
`wherein the enlarged - diameter portion defines a first cylin
`In another exemplary embodiment , each of the first and 10 drical surface extending axially from the frusto - conical
`second angles is about 30 degrees ; wherein the first outside
`surface , the first cylindrical surface defining a first outside
`diameter is about 5 inches ; wherein the first inside diameter
`diameter , wherein the seat body defines an outside surface ,
`is about 3 inches ; wherein the second inside diameter is
`the outside surface defining a second outside diameter that
`about 4 . 5 inches ; wherein the groove diameter is about 4
`inches ; and wherein the second outside diameter is about 4 . 5 15 is less than the first outside diameter , and wherein the
`frusto - conical surface is axially disposed between the out
`inches .
`side surface and the first cylindrical surface ; and a bore
`In yet another exemplary embodiment , the fluid cylinder
`further includes a pressure chamber in fluid communication
`formed through the seat body and through which fluid flows
`with the first fluid passage ; and wherein the pump assembly
`along the valve seat axis , the bore defining a second cylin
`further includes a housing connected to the fluid cylinder , 20 drical surface , the second cylindrical surface defining an
`and a plunger rod assembly extending out of the housing and
`inside diameter that is less than the second outside diameter .
`In an exemplary embodiment , the first angle is about 30
`into the pressure chamber .
`In a second aspect , a fluid cylinder for a pump assembly
`degrees measured from the valve seat axis .
`is provided , the fluid cylinder having a fluid passage axis and
`In another exemplary embodiment , the outside surface of
`includes a first fluid passage through which fluid is adapted 25 the seat body is tapered at a second angle from the valve seat
`to flow along the fluid passage axis , the first fluid passage
`axis ; and wherein the second angle ranges from greater than
`defining a first tapered internal shoulder of the fluid cylinder ,
`0 degrees to about 5 degrees measured from the valve seat
`the first tapered internal shoulder defining a first angle from
`axis .
`the fluid passage axis , the first angle ranging from about 10
`In yet another exemplary embodiment , the valve seat
`degrees to about 45 degrees measured from the fluid passage 30 includes an annular groove formed in the outside surface of
`axis ; and a pressure chamber in fluid communication with
`the seat body , the annular groove defining a groove diameter
`the first fluid passage .
`that is less than the second outside diameter and greater than
`In certain exemplary embodiment , the first angle is about
`the inside diameter ; and a sealing element disposed in the
`annular groove .
`30 degrees measured from the fluid passage axis .
`In an exemplary embodiment , the fluid cylinder includes 35
`In certain exemplary embodiments , the first angle is about
`a second fluid passage in
`fluid communication with the
`30 degrees measured from the valve seat axis ; wherein the
`pressure chamber and through which fluid is adapted to flow
`first outside diameter is about 5 inches ; wherein the inside
`along the fluid passage axis , the second fluid passage defin -
`diameter is about 3 inches ; wherein the groove diameter is
`ing a second tapered internal shoulder of the fluid cylinder ,
`about 4 inches ; and wherein the second outside diameter is
`the second tapered internal shoulder defining a second angle 40 about 4 . 5 inches .
`from the fluid passage axis ; and a fluid outlet passage in fluid
`In a fourth aspect , there is provided a valve seat adapted
`communication with the pressure chamber via the second
`to be disposed within a fluid cylinder for a pump assembly ,
`fluid passage ; wherein the second angle ranges from about
`the valve seat having a valve seat axis and includes a seat
`10 degrees to about 45 degrees measured from the fluid
`body , the seat body includes an enlarged - diameter portion at
`passage axis .
`45 one end thereof , the enlarged - diameter portion includes a
`In another exemplary embodiment , the first and second
`first tapered external shoulder , the first tapered external
`shoulder defining a first angle from the valve seat axis , and
`angles are equal .
`In yet another exemplary embodiment , each of the first
`a frusto - conical surface extending at the first angle from the
`valve seat axis , wherein the enlarged - diameter portion
`and second angles is about 30 degrees measured from the
`fluid passage axis .
`50 defines a first cylindrical surface extending axially from the
`In certain exemplary embodiments , the first fluid passage
`frusto - conical surface , the first cylindrical surface defining a
`includes an enlarged - diameter portion and a reduced - diam -
`first outside diameter , wherein the seat body defines an
`eter portion extending axially therefrom ; wherein the
`outside surface , the outside surface defining a second out
`enlarged - diameter portion of the first fluid passage defines
`side diameter that is less than the first outside diameter ,
`the first tapered internal shoulder of the fluid cylinder ; and 55 wherein the outside surface of the seat body is tapered at a
`wherein the reduced - diameter portion of the first fluid pas
`second angle from the valve seat axis , and wherein the
`sage defines an inside surface of the fluid cylinder and an
`frusto - conical surface is axially disposed between the out
`side surface and the first cylindrical surface ; and a bore
`inside diameter .
`In another exemplary embodiment , the inside surface is
`formed through the seat body and through which fluid flows
`tapered at a taper angle from the fluid passage axis , the taper 60 along the valve seat axis , the bore defining a second cylin
`angle ranging from greater than 0 degrees to about 5 degrees
`drical surface , the second cylindrical surface defining an
`measured from the fluid passage axis .
`inside diameter that is less than the second outside diameter .
`In an exemplary embodiment , each of the first and second
`In an exemplary embodiment , the first angle ranges from
`angles is about 30 degrees ; and wherein the inside diameter
`about 10 degrees to about 45 degrees measured from the
`65 valve seat axis ; and wherein the second angle ranges from
`is about 4 . 5 inches .
`In a third aspect , there is provided a valve seat adapted to
`greater than 0 degrees to about 5 degrees measured from the
`be disposed within a fluid cylinder for a pump assembly , the
`valve seat axis .
`
`Vulcan
`Ex. 1008
`Page 12 of 21
`
`

`

`US 10 , 240 , 597 B2
`
`In other exemplary embodiments , each of the first and
`In another exemplary embodiment , the first angle is about
`second angles is about 30 degrees relative to an axis ;
`30 degrees measured from the valve seat axis ; and wherein
`wherein the third outside diameter is about 5 inches ; wherein
`the second angle ranges from greater than 0 degrees to about
`5 degrees measured from the valve seat axis .
`the third inside diameter is about 3 inches , wherein the first
`In yet another exemplary embodiment , the valve seat 5 inside diameter is about 4 . 5 inches ; wherein the groove
`includes an annular groove formed in the outside surface of
`diameter is about 4 inches ; and wherein the first outside
`the seat body , the annular groove defining a groove diameter
`e annular groove defining a groove diameter
`diameter is about 4 . 5 inches .
`that is less than the second outside diameter and greater than
`Other aspects , features , and advantages will become
`the inside diameter ; and a sealing element disposed in the
`apparent from the following detailed description when taken
`annular groove .
`10 in conjunction with the accompanying drawings , which are
`In an