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公开(公告)号：US20240102467A1
公开(公告)日：2024-03-28
申请号：US18264622
申请日：2022-01-18
申请人： MIXTRON S.R.L.
发明人： Stefano BREVINI
摘要： The present invention relates to an axial piston pump (1) of the rotating inclined plate type for pumping a liquid comprising: a head (25), a plurality of cylinders (30) made in the head (25) in a number greater than two, having axes (C) parallel to each other and the cylinders being arranged radially around a common axis (A) parallel to the axes of the cylinders, a plurality of pistons (75), each slidingly inserted within a respective cyl-inder (30) of the plurality of cylinders (30) for the pumping of the liquid, and a plurality of delivery ducts (145) made in the head (25), each of which runs directly from a re-spective cylinder (30) to a respective delivery valve (120) and is arranged transversely to the axis (C) of the respective cylinder. Where the head (25) has a first side (61) and a second side (62), the second side (62) being opposite to the first side (61) in relation to an imaginary secant plane (S) which contains the common axis (A) and which is paral-lel to the axes (C) of the cylinders (30), where the plurality of cylinders (30) comprises a first arrangement of cylinders, which has its own axis (C) between the first side (61) and the imaginary secant plane (S), and a second arrangement of cylinders, which has its own axis (C) between the second side (62) and the imaginary secant plane (S). Said delivery ducts (145) running from the cylinders (30) of the first arrangement of cylin-ders, run from the respective cylinder (30) towards the first side (61), and the delivery ducts running from the cylinders of the second arrangement of cylinders, run from the respective cylinder (30) towards the second side (62).
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公开(公告)号：US11779945B2
公开(公告)日：2023-10-10
申请号：US18144991
申请日：2023-05-09
申请人： Graco Minnesota Inc.
发明人： David J. Thompson , Jerry D. Horning , William M. Blenkush , Eric J. Finstad , Bradley H. Hines , Marius J. Luczak , Diane Olson , Philip K. Snider , Harold D. Johnson , Jimmy Wing Sum Tam
IPC分类号： B05B9/04 , F04B17/03 , F04B23/02 , F04B17/06 , F04B53/16 , B05B9/08 , B05B9/01 , F04B1/14 , F04B1/145 , F04B9/04 , F04B1/02 , B05B9/043
CPC分类号： B05B9/0413 , B05B9/01 , B05B9/043 , B05B9/0416 , B05B9/0861 , B05B9/0866 , B05B9/0894 , F04B1/02 , F04B1/14 , F04B1/145 , F04B9/045 , F04B17/03 , F04B17/06 , F04B23/02 , F04B53/16 , B05B9/0888
摘要： A fluid dispensing device includes a housing and a reciprocating piston fluid pump coupled to the housing. The reciprocating piston fluid pump includes a piston. The piston is configured to pressurize at least one pumping chamber. A motor is connected to the reciprocating piston fluid pump to actuate the piston. A spray tip connected to an outlet of the at least one pumping chamber.
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公开(公告)号：US20220266279A1
公开(公告)日：2022-08-25
申请号：US17741796
申请日：2022-05-11
申请人： Graco Minnesota Inc.
发明人： David J. Thompson , Jerry D. Horning , William M. Blenkush , Eric J. Finstad , Bradley H. Hines , Marius J. Luczak , Diane Olson , Philip K. Snider , Harold D. Johnson , Jimmy Wing Sum Tam
IPC分类号： B05B9/04 , B05B9/08 , F04B1/14 , F04B1/145 , F04B17/06 , B05B9/043 , B05B9/01 , F04B1/02 , F04B9/04 , F04B17/03 , F04B23/02 , F04B53/16
摘要： A fluid dispensing device includes a housing and a reciprocating piston fluid pump coupled to the housing. The reciprocating piston fluid pump includes a piston disposed within a cylinder. The piston is configured to pressurize at least one pumping chamber. A motor is coupled to the housing and connected to the reciprocating piston fluid pump to actuate the piston. A wobble assembly connects the motor to the piston of the reciprocating piston fluid pump. A spray tip connected to an outlet of the at least one pumping chamber.
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公开(公告)号：US20200284253A1
公开(公告)日：2020-09-10
申请号：US16876414
申请日：2020-05-18
申请人： Kerr Machine Co.
IPC分类号： F04B53/22 , F04B53/16 , F04B1/122 , F04B1/16 , F04B1/145 , F16B35/00 , F16B39/24 , F16B43/00 , F04B1/18 , F04B1/0408 , F04B1/0421
摘要： A fluid end having its fluid flow bores sealed without threading a retaining nut into the walls of each bore. The fluid ends may be assembled using a plurality of different kits that each comprise a fluid end body, a component, a retainer element, and a fastening system. The retainer element holds the component within each of the bores formed in the fluid end body and the fastening system secures the retainer element to the body. The fastening system comprises a plurality of externally threaded studs, washers and nuts in some embodiments. In other embodiments, the fastening system comprises a plurality of screws.
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公开(公告)号：US20200232455A1
公开(公告)日：2020-07-23
申请号：US16842564
申请日：2020-04-07
申请人： George H. Blume
发明人： George H. Blume
IPC分类号： F04B53/10 , F04B53/16 , F04B1/122 , F04B1/0456 , F04B1/145 , F04B1/143 , F04B1/0461 , F04B1/053 , F04B1/0538 , F04B53/02 , F04B1/0448
摘要： A plunger pump fluid end in which the suction valve and seat is aligned with the plunger and the fluid end housing is constructed with multiple modules. Modules are held in a rigid assembly by staybolts that connect to the power end of the plunger pump. Said staybolts pass though bores in the central fluid module and the suction seat module and bound by a conventional threaded nut. Packing box modules are bound to the central fluid module by bolts that also pass through separate bores in the same central module. A suction valve spring retainer/plunger spacer within the plunger bore of the assembly shields the intersection of the plunger bore and the discharge bore from destructive erosion damage.
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公开(公告)号：US11808259B2
公开(公告)日：2023-11-07
申请号：US17197709
申请日：2021-03-10
申请人： GARTECH, LLC
摘要： Embodiments provide for two rotating parallel discs to power horizontal pistons back and forth configured in a radial pattern, comprised of double acting fluid end that may be used in high pressure fluid handling equipment, wherein the fluid end has an arrangement that acts upon both a suction and a discharge operation.
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公开(公告)号：US20230287882A1
公开(公告)日：2023-09-14
申请号：US18321054
申请日：2023-05-22
申请人： Kerr Machine Co.
IPC分类号： F04B53/22 , F04B53/16 , F04B1/122 , F04B1/16 , F04B1/145 , F16B35/00 , F16B39/24 , F16B43/00 , F04B1/18 , F04B1/0408 , F04B1/0421
CPC分类号： F04B53/22 , F04B53/16 , F04B1/122 , F04B1/16 , F04B1/145 , F16B35/005 , F16B39/24 , F16B43/00 , F04B1/18 , F04B1/0408 , F04B1/0421 , F05B2260/301
摘要： A fluid end having its fluid flow bores sealed without threading a retaining nut into the walls of each bore. The fluid ends may be assembled using a plurality of different kits that each comprise a fluid end body, a component, a retainer element, and a fastening system. The retainer element holds the component within each of the bores formed in the fluid end body and the fastening system secures the retainer element to the body. The fastening system comprises a plurality of externally threaded studs, washers and nuts in some embodiments. In other embodiments, the fastening system comprises a plurality of screws.
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公开(公告)号：US20220372972A1
公开(公告)日：2022-11-24
申请号：US17882267
申请日：2022-08-05
申请人： Kerr Machine Co.
IPC分类号： F04B53/22 , F04B53/16 , F04B1/122 , F04B1/16 , F04B1/145 , F16B35/00 , F16B39/24 , F16B43/00 , F04B1/18 , F04B1/0408 , F04B1/0421
摘要： A fluid end having its fluid flow bores sealed without threading a retaining nut into the walls of each bore. The fluid ends may be assembled using a plurality of different kits that each comprise a fluid end body, a component, a retainer element, and a fastening system. The retainer element holds the component within each of the bores formed in the fluid end body and the fastening system secures the retainer element to the body. The fastening system comprises a plurality of externally threaded studs, washers and nuts in some embodiments. In other embodiments, the fastening system comprises a plurality of screws.
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公开(公告)号：US11225861B1
公开(公告)日：2022-01-18
申请号：US16549568
申请日：2019-08-23
发明人： Mark C. Dille , Larry Mitchell Hill , William Brent Stroebel , Scott Taylor Donaldson , E. Lee Colley, III
IPC分类号： E21B43/267 , F04B1/182 , F04B19/22 , F04B53/10 , F04B1/16 , F04B1/143 , F04B1/145 , F04B1/184
摘要： Frac pumps have a fluid end and a fluid end block. The fluid end block has a plunger cylinder having a primary axis, a suction bore having a primary axis, a discharge bore, and a pump chamber. The pump chamber is defined by the intersection of the plunger cylinder, the suction bore, and the discharge bore. The fluid end block has a cylindrical portion extending along the primary axis of the suction bore. The cylindrical portion has a diameter greater than the diameter of the plunger cylinder. The pump chamber also has a ridge that extends radially inward from the walls of the pump chamber in a plane normal to the suction bore primary axis.
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公开(公告)号：US20200300240A1
公开(公告)日：2020-09-24
申请号：US16897659
申请日：2020-06-10
申请人： Kerr Machine Co.
发明人： Mark S. Nowell , Kelcy Jake Foster , Christopher Todd Barnett , Micheal Cole Thomas , Brandon Scott Ayres , Michael Eugene May , Guy J. Lapointe
IPC分类号： F04B53/22 , F04B53/16 , F04B1/122 , F04B1/16 , F04B1/145 , F16B35/00 , F16B39/24 , F16B43/00 , F04B1/18 , F04B1/0408 , F04B1/0421
摘要： A fluid end having as fluid flow bores sealed without threading a retaining nut into the walls of each bore. The fluid ends may be assembled using a plurality of different kits, each kit comprising a fluid end body, a component, a retainer element, and a fastening system. The retainer element holds the component within each of the bores formed in the fluid end body and the fastening system secures the retainer element to the body. The fastening system comprises a plurality of externally threaded studs, washers and nuts in some embodiments. In other embodiments, the fastening system comprises a plurality of screws.
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