CLAIM CHART: U.S. 2014/0348677
`
`Evidence
`
`Non-limiting. To the extent the preamble of claim 1 is found to be limiting,
`all rights to identify any such structure as limited in the reference are
`reserved.
`
`
`
`See, e.g.:
`
` A
`
` POSITA would have understood that the annotated red circles in Fig. 15
`below show an annular channel in the housing, as well as the seal
`positioned within the channel. Without a seal positioned in the channel,
`there is no way to prevent leakage of high pressure fluid across the annular
`interface.
`
`Fig. 15 (annotated):
`
`U.S. Patent No.
`10,591,070
`Claim 1.
`[1 preamble]
`A method of
`manufacturing the
`fluid end assembly,
`comprising:
`
`[1a]
`providing a housing
`having a first conduit
`extending
`therethrough and a
`second conduit
`extending
`therethrough that
`intersects the first
`conduit;
`[1b]
`forming an endless
`groove in the housing
`such that the groove
`surrounds the second
`conduit;
`
`
`
`
`
`
`
`
`Page 1 of 10
`
`
`
`Evidence
`
`Non-limiting. To the extent the preamble of claim 1 is found to be limiting,
`all rights to identify any such structure as limited in the reference are
`reserved.
`
`
`
`See, e.g.:
`
` A
`
` POSITA would have understood that the annotated red circles in Fig. 15
`below show an annular channel in the housing, as well as the seal
`positioned within the channel. Without a seal positioned in the channel,
`there is no way to prevent leakage of high pressure fluid across the annular
`interface.
`
`Fig. 15 (annotated):
`
`U.S. Patent No.
`10,591,070
`Claim 1.
`[1 preamble]
`A method of
`manufacturing the
`fluid end assembly,
`comprising:
`
`[1a]
`providing a housing
`having a first conduit
`extending
`therethrough and a
`second conduit
`extending
`therethrough that
`intersects the first
`conduit;
`[1b]
`forming an endless
`groove in the housing
`such that the groove
`surrounds the second
`conduit;
`
`
`
`
`
`
`
`
`Page 1 of 10
`
`
`
`CLAIM CHART: U.S. 2014/0348677
`
`¶ 0064:
`Referring now to FIG. 15, an embodiment of a fluid end 510 of a positive
`displacement pump, and in particular, a reciprocating pump for pumping a
`fluid is shown. In this embodiment, fluid end 510 is configured for use on a
`well service pump in which a discharge block 514 functions as a cylinder
`for a plunger 522. A suction valve module 600 is coupled to block 514
`generally opposite plunger 522. Discharge block 514 includes a through
`bore 559 within which plunger 522 axially reciprocates. An annular
`packing assembly 525 is radially disposed between block 514 and plunger
`522. Packing assembly 525 forms an annular static seal with block 514 and
`an annular dynamic seal with plunger 522, which slidingly engages
`packing 525. Plunger 522 is driven by a power section 18 as previously
`disclosed. In particular, extension rod 40 is coupled to plunger 522 and
`drive the axial reciprocation of plunger 522 within block 514.
`
`See Claim [1b].
`
`[1c]
`positioning a seal
`within the groove;
`
`
`
`
`Page 2 of 10
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`
`
`CLAIM CHART: U.S. 2014/0348677
`
`See, e.g.:
`
`Fig. 15 (annotated)
`
`[1d]
`installing a tubular
`sleeve within the
`second conduit such
`that at least a portion
`of the sleeve engages
`with the seal;
`
`
`
` ¶
`
` 0064:
`Referring now to FIG. 15, an embodiment of a fluid end 510 of a positive
`displacement pump, and in particular, a reciprocating pump for pumping a
`fluid is shown. In this embodiment, fluid end 510 is configured for use on a
`well service pump in which a discharge block 514 functions as a cylinder
`for a plunger 522. A suction valve module 600 is coupled to block 514
`generally opposite plunger 522. Discharge block 514 includes a through
`bore 559 within which plunger 522 axially reciprocates. An annular
`packing assembly 525 is radially disposed between block 514 and plunger
`522. Packing assembly 525 forms an annular static seal with block 514 and
`an annular dynamic seal with plunger 522, which slidingly engages
`packing 525. Plunger 522 is driven by a power section 18 as previously
`disclosed. In particular, extension rod 40 is coupled to plunger 522 and
`drive the axial reciprocation of plunger 522 within block 514.
`
`
`
`
`[1e]
`installing a plurality
`of packing seals
`within the sleeve; and
`
`
`
`
`Page 3 of 10
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`
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`CLAIM CHART: U.S. 2014/0348677
`
`[1f]
`installing a
`reciprocating plunger
`at least partially
`within the sleeve and
`the plurality of
`packing seals.
`
`Claim 2. The method
`of claim 1, further
`comprising:
`forming the groove
`such that it has a pair
`of parallel side walls
`joined by a base.
`
`
`
`
`See Claim 1.
`
`See also, e.g.:
`
`Fig. 15 (annotated)
`
`
`
`
`
`See Claim [1b].
`
`
`
`
`
`
`
`
`
`Claim 3. The method
`of claim 1, further
`comprising:
`forming the groove
`such that it opens
`towards a centerline
`of the second
`conduit.
`
`Claim 4. The method
`of claim 1, further
`comprising:
`installing a plug into
`the first conduit in
`which the plug is
`sized to fully block
`fluid flow within the
`first conduit.
`
`
`
`
`
`Page 4 of 10
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`
`
`CLAIM CHART: U.S. 2014/0348677
`
`
`
`
`
`
`
`See Claim [1 Preamble].
`
`
`
`See Claim [1b].
`
`See Claim [1c].
`
`See Claim [1d].
`
`Claim 5. The method
`of claim 1 in which
`the endless groove is
`characterized as the
`first groove, further
`comprising
`forming a second
`endless groove in the
`housing such that the
`groove surrounds the
`first conduit.
`
`Claim 6.
`[6 preamble]
`A fluid end assembly,
`comprising:
`[6a]
`a housing having a
`first conduit
`extending
`therethrough, and a
`second conduit
`extending
`therethrough that
`intersects the first
`conduit;
`[6b]
`an endless groove
`formed in the
`housing such that the
`groove surrounds the
`second conduit;
`[6c]
`a seal positioned
`within the groove;
`[6d]
`a tubular sleeve
`installed within the
`second conduit such
`that at least a portion
`of the sleeve engages
`with the seal;
`
`
`
`
`Page 5 of 10
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`
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`CLAIM CHART: U.S. 2014/0348677
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`See Claims 2, 6.
`
`
`
`[6e]
`a plurality of packing
`seals disposed within
`the sleeve; and
`[6f]
`a reciprocating
`plunger disposed at
`least partially within
`the sleeve and the
`plurality of packing
`seals.
`
`Claim 7. The fluid
`end assembly of
`claim 6, further
`comprising:
`a closure element
`installed within the
`first conduit.
`
`Claim 8. The fluid
`end assembly of
`claim 7 in which the
`closure element is a
`plug sized to fully
`block fluid flow
`within the first
`conduit.
`
`Claim 9. The fluid
`end assembly of
`claim 6 in which the
`first conduit is
`orthogonal to the
`second conduit.
`
`Claim 10. The fluid
`end assembly of
`claim 6 in which the
`groove is
`characterized by a
`pair of parallel side
`walls joined by a
`base.
`
`
`
`
`
`Page 6 of 10
`
`
`
`CLAIM CHART: U.S. 2014/0348677
`
`See Claims [1c], 10.
`
`
`See Claims 3, 6.
`
`
`
`
`
`
`
`
`
`
`Claim 11. The fluid
`end assembly of
`claim 10 in which the
`seal engages the side
`walls and the base of
`the groove.
`
`Claim 12. The fluid
`end assembly of
`claim 6 in which the
`groove opens towards
`a centerline of the
`second conduit.
`
`Claim 13. The fluid
`end assembly of
`claim 6 in which at
`least a portion of the
`housing is configured
`to contain a fluid
`having a pressure of
`at least 8,000 pounds
`per square inch.
`
`Claim 14. The fluid
`end assembly of
`claim 6 in which the
`plunger is configured
`to engage with an
`engine having a
`power output of at
`least 2,250
`horsepower.
`
`Claim 15. The fluid
`end assembly of
`claim 6 in which the
`endless groove is
`characterized as the
`first groove, and
`further comprising:
`
`
`
`
`Page 7 of 10
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`
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`CLAIM CHART: U.S. 2014/0348677
`
`a second endless
`groove formed in the
`housing such that the
`second groove
`surrounds the first
`conduit.
`
`Claim 16. The fluid
`end assembly of
`claim 15 in which the
`seal is characterized
`as the first seal, and
`further comprising:
`a second seal
`positioned with the
`second groove.
`
`Claim 17. The fluid
`end assembly of
`claim 6, further
`comprising:
`a valve positioned
`with the first conduit.
`
`Claim 18. The fluid
`end assembly of
`claim 6 in which the
`second conduit has a
`first and second
`section, and in which
`the endless groove is
`characterized as the
`first groove and is
`formed in the first
`section of the second
`conduit, and further
`comprising:
`a second endless
`groove formed in the
`housing such that the
`second groove
`surrounds the second
`section of the second
`conduit.
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`Page 8 of 10
`
`
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`CLAIM CHART: U.S. 2014/0348677
`
`Claim 19. The fluid
`end assembly of
`claim 18 in which the
`seal is characterized
`as the first seal, and
`further comprising:
`a second seal
`positioned within the
`second groove.
`
`Claim 20. A system,
`comprising:
`the fluid end
`assembly of claim 6;
`and
`a fluid having a
`pressure of at least
`8,000 pounds per
`square inch within at
`least a portion of the
`internal chamber.
`
`Claim 21. A system,
`comprising:
`the fluid end
`assembly of claim 6;
`and
`an engine engaged
`with the plunger and
`having a power
`output of at least
`2,250 horsepower.
`
`Claim 22. The fluid
`end assembly of
`claim 6 in which the
`sleeve has an inner
`surface and an
`opposed outer
`surface, in which the
`plurality of packing
`seals are engaged
`with the inner surface
`of the sleeve.
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`Page 9 of 10
`
`
`
`CLAIM CHART: U.S. 2014/0348677
`
`See, e.g.:
`
`Fig. 15 (annotated)
`
`Claim 23. The fluid
`end assembly of
`claim 22 in which the
`seal is engaged with
`the outer surface of
`the sleeve.
`
`
`
` ¶
`
` 0064:
`Referring now to FIG. 15, an embodiment of a fluid end 510 of a positive
`displacement pump, and in particular, a reciprocating pump for pumping a
`fluid is shown. In this embodiment, fluid end 510 is configured for use on a
`well service pump in which a discharge block 514 functions as a cylinder
`for a plunger 522. A suction valve module 600 is coupled to block 514
`generally opposite plunger 522. Discharge block 514 includes a through
`bore 559 within which plunger 522 axially reciprocates. An annular
`packing assembly 525 is radially disposed between block 514 and plunger
`522. Packing assembly 525 forms an annular static seal with block 514 and
`an annular dynamic seal with plunger 522, which slidingly engages
`packing 525. Plunger 522 is driven by a power section 18 as previously
`disclosed. In particular, extension rod 40 is coupled to plunger 522 and
`drive the axial reciprocation of plunger 522 within block 514.
`
`
`
`
`
`Claim 24. The fluid
`end assembly of
`claim 6 in which the
`sleeve is of single
`piece construction.
`
`
`
`
`
`
`Page 10 of 10
`
`
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