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公开(公告)号：US11441585B2
公开(公告)日：2022-09-13
申请号：US17122987
申请日：2020-12-15
摘要： A hydraulic system, comprising: a hydraulic pump, a hydraulic load, and an electric machine. The electric machine working as an electric generator and mechanically coupled with said hydraulic pump. A low-pressure fluid tank and a valve assembly comprising one or more valves selectively fluidly connecting the hydraulic load with the low-pressure fluid tank.
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公开(公告)号：US12109848B2
公开(公告)日：2024-10-08
申请号：US17151616
申请日：2021-01-18
IPC分类号： B60C23/00 , B60C29/00 , F16K31/122
CPC分类号： B60C23/00354 , B60C29/002 , F16K31/1221 , F16K31/1226
摘要： A valve assembly for use in a tire inflation system, the valve assembly including: a valve body including a first fluid port and a second fluid port; a piston disposed at least partially within the valve body and configured to be moved relative to the valve body between an open position and a closed position. When the piston is in the open position, the first fluid port is fluidly connected with the second fluid port. When the piston is in the closed position, the first fluid port is fluidly isolated from the second fluid port. When the piston is in the open position, the first fluid port and the second fluid port are fluidly connected with one another via a fluid channel extending through the piston. A tire inflation system including the valve assembly.
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公开(公告)号：US11491427B2
公开(公告)日：2022-11-08
申请号：US16940123
申请日：2020-07-27
IPC分类号： B01D35/30 , B01D29/31 , F15B21/041
摘要： An adaptor plug for a spin-on fluid filter, in particular for a spin-on return filter, wherein the adaptor plug comprises a plug-in end which is designed to be plugged into a cavity in a flange of a hydraulic device in a fluid tight manner and a filter end which is designed to be connected to the spin-on filter in a fluid tight, detachable manner and at least one internal fluid channel connecting said plug-in end with said filter end, wherein the adaptor plug at its filter end comprises a threaded tube or bolt on which the spin-on filter can be screwed. By this design, the use of a filter set with or without an adaptor ring between the adaptor plug and the filter is enabled. By the adaptor plug, the spin-on filter can be applied to a variety of hydraulic devices, among others, with a ¾ 16 UNF cavity.
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公开(公告)号：US11560906B2
公开(公告)日：2023-01-24
申请号：US17303899
申请日：2021-06-10
IPC分类号： F15B13/02 , F16K17/04 , F15B11/10 , F16K17/196
摘要： A combined valve for insertion into an elongated bore of a power unit body of a hydraulic power unit may have an elongated carrier for receiving a relief and a check valve. The valve may also have a register arranged at a first axial position of a longitudinal axis of the carrier for calibration of the relief valve. The valve may also have a check valve coupled to the carrier at a second axial position along the longitudinal axis of the carrier. The valve may also have a relief valve coupled to the carrier at a third axial position along the longitudinal axis of the carrier. A minimal distance between the first and the second axial position may be less than a minimal distance between the first and the third axial position.
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公开(公告)号：US10955064B2
公开(公告)日：2021-03-23
申请号：US16530630
申请日：2019-08-02
摘要： A solenoid valve may have a fixed member having a tube portion. The valve may also have a mobile plunger positioned in the tube portion, the mobile plunger being axially movable between a first and a second position. The valve may also have a rod coupled to the mobile plunger and having a spool for control of fluid flow, the rod being axially movable in the tube portion. The valve may also have an electromagnetic coil positioned externally to the fixed member, where the rod has a coupling end and the mobile plunger has a coupling element where the coupling end hookingly couples to the coupling element.
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公开(公告)号：US20200041028A1
公开(公告)日：2020-02-06
申请号：US16530630
申请日：2019-08-02
摘要： The present disclosure describes a solenoid valve. The solenoid valve may have a fixed member having a tube portion. The valve may also have a mobile plunger positioned in the tube portion, the mobile plunger being axially movable between a first and a second position. The valve may also have a rod coupled to the mobile plunger and having a spool for control of fluid flow, the rod being axially movable in the tube portion. The valve may also have an electromagnetic coil positioned externally to the fixed member, where the rod has a coupling end and the mobile plunger has a coupling element where the coupling end hookingly couples to the coupling element.
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公开(公告)号：US11583792B2
公开(公告)日：2023-02-21
申请号：US17064449
申请日：2020-10-06
IPC分类号： B01D35/143 , B01D35/147 , B01D29/33
摘要： A fluid filter device with a housing defining a cavity, the housing including a fluid inlet and a fluid outlet, a filter unit including a filter substrate and arranged within the cavity such that the filter unit and the housing define, within the cavity, a first chamber in fluid communication with the fluid inlet and a second chamber in fluid communication with the fluid outlet. The filter unit is movable relative to the housing between a first position and a second position such that in the first position, the first chamber is in fluid communication with the second chamber through the filter substrate, and in the second position, the inlet is in fluid communication with the outlet through a bypass line.
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公开(公告)号：US11313487B2
公开(公告)日：2022-04-26
申请号：US17059180
申请日：2019-05-09
摘要： A solenoid valve is disclosed. The solenoid valve comprises: a fixed member having a tube portion; a mobile plunger positioned in the tube portion, the mobile plunger being axially movable between a first position and a second position; a rod coupled to the mobile plunger and having a spool for control of fluid flow, the rod being axially movable in the tube portion; an electromagnetic coil positioned externally to the fixed member; and an air gap positioned in the tube portion between the electromagnetic coil and the mobile plunger, wherein the air gap is formed in an internal surface of the tube portion.
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9.发明授权公开(公告)号：US11215203B2
公开(公告)日：2022-01-04
申请号：US16863842
申请日：2020-04-30
摘要： A logic valve for management of a hydraulic actuator comprising: a valve body with a hollow seat which extends along a work direction and communicates with a first port adapted for receiving a pressurized working fluid, a second port adapted for fluidly coupling with an operating chamber of the hydraulic actuator, and a third port adapted for discharging the working fluid; a slider within the hollow seat movable along the work direction; and a spring between the valve body and the slider and oriented to act on the slider along the work direction in the direction away from said third port, wherein the slider is movable between a first operating configuration fluidly coupling the second and third ports and excluding fluid communication between them and the first port, and a second operating configuration fluidly coupling the first and second ports and excluding fluid communication between them and the third port.
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公开(公告)号：US11767833B2
公开(公告)日：2023-09-26
申请号：US17658337
申请日：2022-04-07
IPC分类号： F04B1/2085 , F01B3/00 , F03C1/06
CPC分类号： F04B1/2085 , F01B3/0073 , F03C1/0671
摘要： The present disclosure relates to an axial piston machine, such as a pump or motor. The axial piston machine, in on example, includes a pivotable displacement adjustment plate, the displacement adjustment plate having a first side supported by a first hydrostatic support arrangement and a second side supported by a second hydrostatic support arrangement. Further, in the axial piston machine one or both of the hydrostatic support arrangements include a large area support and a small area support which can be fluidly separated from each other.
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