公开(公告)号：US11519405B2

公开(公告)日：2022-12-06

申请号：US17375233

申请日：2021-07-14

申请人： YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.

发明人： Wenjie Deng ,  Baoguo Jian ,  Weichen Liu ,  Haiping Cui ,  Peng Li ,  Jixin Wang

IPC分类号： F04B53/16 ,  F04B53/10 ,  F16K17/04

摘要： A valve spring seat sleeve, a valve assembly, and a plunger pump are disclosed. The valve spring seat sleeve includes a cylindrical hollow structure, a first fluid hole, a first notch and a second notch; the cylindrical hollow structure includes a plunger passage; the first fluid hole passes through a sidewall of the cylindrical hollow structure and communicated with the plunger passage; the first notch and the second notch are located on a side of the cylindrical hollow structure opposite to the first fluid hole; the cylindrical hollow structure includes a first end portion, a second end portion and an intermediate portion, a center of the first fluid hole is located at the intermediate portion, the cylindrical hollow structure further includes a spring mounting portion located between the first notch and the second notch.

公开(公告)号：US11517208B2

公开(公告)日：2022-12-06

申请号：US16465498

申请日：2017-11-29

申请人： Shiming Lin ,  BIV MEDICAL, LTD.

发明人： Shiming Lin

IPC分类号： A61B5/021 ,  A61B5/022 ,  A61B5/00 ,  A61B5/0225 ,  F04B43/02 ,  F04B53/10 ,  A61B5/361 ,  F04B45/047 ,  A61B5/0235

摘要： A single-arm micro air-pressure pump device, having an air pump body and a driving unit. The air pump body includes a supporting frame, an air chamber unit coupled to a side of the supporting frame, and a swing arm provided on the air chamber unit. The driving unit is fixed on the supporting frame and has an output shaft. The output shaft is provided with an eccentric shaft and is configured to rotate the eccentric shaft, and the eccentric shaft has an end coupled to the output shaft and an opposite end coupled to the swing arm in order to drive the swing arm into a reciprocating motion between at least a proximal position and a distal position with respect to the air chamber unit. The reciprocating motion pushes a piston unit provided on one end of the swing arm and causes the air output.

公开(公告)号：US11506198B2

公开(公告)日：2022-11-22

申请号：US16800232

申请日：2020-02-25

申请人： Thomas Magnete GmbH

发明人： Thomas Rolland ,  Olaf Ohligschläger ,  Bernd Köhler ,  Edwin Kreuzberg ,  Tabea Krah ,  Mike Heck

IPC分类号： F04B53/10 ,  F04B17/04 ,  F04B1/03 ,  F04B1/00 ,  F04B53/14 ,  F04B13/00 ,  F04B1/14

摘要： A multiflow pump for fluids, having an electromagnetic translator drive, a displacement piston unit, a pump head, and at least one outlet valve device. The displacement piston contains a bearing journal with a spring receptacle, a carrier plate, and a plurality of pump pistons, wherein the displacement piston unit is configured in one piece.

公开(公告)号：US11486387B2

公开(公告)日：2022-11-01

申请号：US15931920

申请日：2020-05-14

申请人： ScopeNEXT Ltd.

发明人： Michael Yang

IPC分类号： F16K15/03 ,  F04B53/10

摘要： A one-piece flap valve (150) comprising first and second portions hingedly connected to one another by a flexible strip, the first portion having a hingeable internal valve flap (152) and the second portion comprising an at least partially annular valve seat (154). The first and second portions being socket-fitted together by relative movement, such that the valve seat (54, 154) is spanned by the flap (152), the second portion comprising first and second legs (121a, 121b) having first and second locking lugs (127a, 127b) extending radially outwardly therefrom, the locking lugs for location within locking apertures (125a, 125b) of a tube body (10) of a dispenser. The flap valve (150) comprising a retaining mechanism configured and arranged such that once the flap valve is installed in a tube body of a dispenser, the retaining mechanism resists against radially inward displacement of the first and second legs.

公开(公告)号：US11486375B2

公开(公告)日：2022-11-01

申请号：US17049913

申请日：2019-02-12

申请人： SAUERMANN INDUSTRIE

发明人： Francois Sardet ,  Olivier De Gea ,  Jean-Baptiste Boussuge ,  Didier Cleveland

IPC分类号： F04B17/04 ,  F04B53/10 ,  F04B53/16 ,  F16B21/18 ,  H02K33/10

摘要： An oscillating piston pump including: a first hollow tubular body in which a piston moves; a second hollow tubular body extending around the first hollow tubular body, carrying a solenoid that controls the movement of the piston, the first tubular body and the second tubular body forming a one-piece structural element.

公开(公告)号：US11473686B2

公开(公告)日：2022-10-18

申请号：US17047043

申请日：2019-06-07

申请人： SPM Oil & Gas Inc.

发明人： Jacob A. Bayyouk ,  Sozon Tsopanos

IPC分类号： F16K25/00 ,  C23C24/10 ,  F04B53/00 ,  F04B53/10 ,  F16K1/42 ,  F16K15/06

摘要： This disclosure provides a valve seat having cladded surfaces of high hardness in order to improve the service life of valve seats. The cladded surfaces may include various materials of favorable mechanical properties for mitigating failure mechanisms known for common valve seats (e.g., having a common base metal throughout). In one example, the cladded surfaces are created using an additive manufacturing process, such as laser metal deposition. The cladded surfaces offer advantages including metallurgical bonding, localized low heat input at the laser focus (thus enabling accurate control of temperature and mitigating undesirable heat treatment effects), ductility in middle layers for increasing impact resistance, variable cladding thickness (optionally exceeding 1 mm), increased hardness by material and fusing temperature selections, corrosion resistance, modification of mechanical properties of the same selected material, and allowing for sensor embedment.

公开(公告)号：US11473684B2

公开(公告)日：2022-10-18

申请号：US17299285

申请日：2019-12-03

申请人： Eagle Industry Co., Ltd.

发明人： Masahiro Hayama ,  Kohei Fukudome ,  Keigo Shirafuji ,  Takahiro Ejima

IPC分类号： F16K31/06 ,  F16K15/02 ,  F04B27/10 ,  F04B53/10

摘要： A capacity control valve includes: a valve housing having a discharge port, a suction port and a control port; a rod driven by a solenoid; a main valve configured to open and close a communication between the discharge port and the control port; an opening and closing valve biased in a valve closing direction, and configured to open and close a CS communication passage communicating with the suction port and a control fluid supply chamber formed in the valve housing; and a CS valve to open and close a communication between the control port and the suction port, the CS valve body being movable relative to the main valve body, wherein the main valve body and the CS valve body move together as the rod moves in a closed state of the main valve.

公开(公告)号：US11459991B2

公开(公告)日：2022-10-04

申请号：US16828122

申请日：2020-03-24

申请人： DENSO CORPORATION

发明人： Keigo Ohata ,  Shinichiro Koshimoto ,  Yoshihito Suzuki

IPC分类号： F02M63/00 ,  F04B53/10 ,  F04B7/00 ,  F04B53/22 ,  F04B53/16

摘要： A high-pressure pump includes a pressurizing chamber forming portion including a cylindrical inner peripheral wall that defines a pressurizing chamber, a plunger, a housing including a housing outer peripheral wall, a valve member, an electromagnetic driving unit, a discharge passage portion, and a fixed portion that is connected to the housing. The fixed portion has multiple bolt holes. The multiple bolt holes are arranged radially outward of the housing outer peripheral wall in a circumferential direction when viewed along a direction of an axis of the cylindrical inner peripheral wall. The high-pressure pump is virtually divided into a first region and a second region by a virtual surface on which axes of adjacent ones of the multiple bolt holes and an axis of the cylindrical inner peripheral wall extend. Both the electromagnetic driving unit and the discharge passage portion are located in the first region or the second region.

公开(公告)号：US20220307491A1

公开(公告)日：2022-09-29

申请号：US17214669

申请日：2021-03-26

申请人： Hamilton Sundstrand Corporation

发明人： Matej Rutar

IPC分类号： F04B49/24 ,  F04B19/04 ,  F04B53/10 ,  F04B49/06 ,  F04B13/00

摘要： A system comprises a variable displacement pump, a metering valve, a bypass line, a pressure regulating valve, a position sensor, and a control system. At least one fuel nozzle can be in fluid communication with the output line downstream of the metering valve, wherein the variable displacement pump is configured to supply fuel to the at least one fuel nozzle. The metering valve can be disposed in the output line for controlling outlet flow from the variable displacement pump. The system can also include an actuator line parallel to the variable displacement pump and connected to the output line to provide actuation pressure from pump output of the variable displacement pump.

公开(公告)号：US11441551B2

公开(公告)日：2022-09-13

申请号：US15965027

申请日：2018-04-27

申请人： Graco Minnesota Inc.

发明人： Charles W. Dawson ,  Mariusz J. Luczak ,  Barry W. Mattson ,  Douglas S. Ryder ,  Bret A. Deneson ,  Christopher A. Lins

IPC分类号： F04B23/02 ,  F04B1/02 ,  F04B19/22 ,  F04B9/02 ,  F04B23/06 ,  F04B11/00 ,  F04B35/06 ,  F04B41/02 ,  F04B17/03 ,  F04B49/22 ,  F04B53/10 ,  F04B17/06 ,  G05G5/00 ,  G05G1/04 ,  F15B21/08

摘要： A portable hydraulic power unit includes a frame, a fluid tank supported by the frame, and a manifold supported by the frame. The fluid tank is configured to store a supply of hydraulic fluid for powering a hydraulically-driven tool. A reciprocating pump is mounted on the exterior of the fluid tank and on the exterior of the manifold. The reciprocating pump is secured to the fluid tank and the manifold with fasteners extending through a cylinder body of the reciprocating pump.