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公开(公告)号：US11852017B2
公开(公告)日：2023-12-26
申请号：US17279281
申请日：2019-09-24
申请人： RapSon GmbH
发明人： Manfred Max Rapp
CPC分类号： F01C9/00 , F01C9/002 , F01C21/06 , F04C21/002 , F04C2240/30 , F04C2240/70
摘要： The invention relates to a modular construction system for a piston machine (100), comprising at least two separate housing parts capable of being joined together into a housing (1) of the piston machine (100), a piston (15) which is configured as a swivel element, is pivotable and is able to be arranged in the housing (1), and a housing cover (7) for covering the housing (1). The piston machine (100) is in particular configured as a modular construction system, the components of which are formed by multiple segments and joined together in a horizontal and a vertical direction in each case. The invention further relates to a piston machine (100) produced using the modular construction system and to a method for producing a piston machine (100).
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公开(公告)号：US11499535B2
公开(公告)日：2022-11-15
申请号：US16850122
申请日：2020-04-16
申请人： ClearMotion, Inc.
发明人： Clive Tucker , Ross J. Wendell , Zackary Martin Anderson , Evan Moen , Johannes Schneider , Zachary J. Jackowski , Sean C. Morton
摘要： A linear energy harvesting device that includes a housing and a piston that moves at least partially through the housing when it is compressed or extended from a rest position. When the piston moves, hydraulic fluid is pressurized and drives a hydraulic motor. The hydraulic motor drives an electric generator that produces electricity. Both the motor and generator are central to the device housing. Exemplary configurations are disclosed such as monotube, twin-tube, tri-tube and rotary based designs that each incorporates an integrated energy harvesting apparatus. By varying the electrical characteristics on an internal generator, the kinematic characteristics of the energy harvesting apparatus can be dynamically altered. In another mode, the apparatus can be used as an actuator to create linear movement. Applications include vehicle suspension systems (to act as the primary damper component), railcar bogie dampers, or industrial applications such as machinery dampers and wave energy harvesters, and electro-hydraulic actuators.
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公开(公告)号：US11434940B2
公开(公告)日：2022-09-06
申请号：US16799759
申请日：2020-02-24
申请人： The Boeing Company
摘要： A rotary actuator, including a manifold block and a rotor assembly that includes a rotor shaft and a plurality of arcuate pistons attached to the rotor shaft, each arcuate piston curving at a set radial distance from the rotor shaft, and each piston attached to the rotor shaft via a crank arm. A pressure chamber assembly coupled to the manifold block defines a plurality of piston pressure chambers that receive and at least partially enclose each arcuate piston, including a plurality of gland seals disposed adjacent the entrance of each piston pressure chamber to create a seal between the inner surface of the pressure chamber and the outer surface of the arcuate piston. Each gland seal includes an inner seal that engages the piston surface of the arcuate piston, and plural outer seals that engage the inner surface of the piston pressure chamber, forming a hydraulic seal.
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公开(公告)号：US10962007B2
公开(公告)日：2021-03-30
申请号：US16151858
申请日：2018-10-04
申请人： DENSO TEN Limited
摘要： A gas ejection apparatus ejects gas using a compressor that compresses the gas by a rotating body inside a cylinder, and includes a detector and a microcomputer. The detector detects a position of the rotating body inside the cylinder based on positions of gears which are coupled to the rotating body. When the microcomputer receives an ejection instruction, the microcomputer controls intake and exhaust of the compressor according to detection results of the detector, and causes the compressor to wait in an intake completion state upon completion of ejection of the gas that was performed in response to the ejection instruction.
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公开(公告)号：US20200032652A1
公开(公告)日：2020-01-30
申请号：US16594911
申请日：2019-10-07
申请人： FeTu Limited
发明人： Jonathan Paul Fenton
摘要： An apparatus including a first piston member rotatable about a first rotational axis and a rotor with a first chamber and pivotable about a second rotational axis. The first piston member extends across the first chamber. The rotor and first piston member are rotatable around the first rotational axis, and the rotor is pivotable about the second rotational axis to permit a relative pivoting motion between the rotor and the first piston member linked to the rotor rotating about the first rotational axis.
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公开(公告)号：US10458441B2
公开(公告)日：2019-10-29
申请号：US15494157
申请日：2017-04-21
申请人： Woodward, Inc.
摘要： A rotary actuator includes a housing having an interior boundary that defines a central bore and has interior recesses, a chamber housing assembly disposed in the central bore and having an arcuate chamber, the arcuate chamber comprising a cavity, an exterior boundary of the chamber housing assembly having exterior recesses, each of the exterior recesses aligned with a respective one of the interior recesses, pins residing between the interior boundary and the exterior boundary, each of the pins mated to one of the exterior recesses and a corresponding one of the interior recesses to maintain an orientation of the chamber housing assembly with respect to the housing, a rotor assembly rotatably journaled in the chamber housing assembly and comprising a rotary output shaft and a rotor arm, and an arcuate-shaped piston disposed in the chamber housing assembly for reciprocal movement in the arcuate chamber.
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公开(公告)号：US10443383B2
公开(公告)日：2019-10-15
申请号：US15552451
申请日：2016-08-05
申请人： FeTu Limited
发明人： Jonathan Paul Fenton
IPC分类号： F03C2/00 , F03C4/00 , F04C18/00 , F04C2/00 , F01C3/00 , F01C9/00 , F04C21/00 , F04C18/48 , F01C21/08 , F01C3/06 , F02B53/02 , F02B53/00
摘要： An apparatus including a first piston member rotatable about a first rotational axis and a rotor with a first chamber and pivotable about a second rotational axis. The first piston member extends across the first chamber. The rotor and first piston member are rotatable around the first rotational axis, and the rotor is pivotable about the second rotational axis to permit a relative pivoting motion between the rotor and the first piston member linked to the rotor rotating about the first rotational axis.
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公开(公告)号：US10253686B2
公开(公告)日：2019-04-09
申请号：US15383397
申请日：2016-12-19
申请人： LiquidPiston, Inc.
IPC分类号： F02B53/02 , F01C1/22 , F01C9/00 , F01C21/04 , F01L7/02 , F02B25/08 , F02B75/00 , F02M25/03 , F02B17/00 , F02B51/02 , F02B55/14 , F02B75/02 , F02M31/02
摘要： A method of operating an internal combustion engine having a housing, a piston mounted in the housing for complex motion about a plurality of axes and coupled to a shaft, and wherein occur phases of compression, combustion, and expansion in the housing, and wherein, in the compression phase, air introduced through an intake port into the housing is compressed by reducing volume of a compression chamber in the housing from an initial volume to a second volume that is less than the initial volume, and in the expansion phase, byproducts of combustion expand from the second volume to a third volume that is greater than the initial volume.
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公开(公告)号：US10221850B2
公开(公告)日：2019-03-05
申请号：US15309676
申请日：2015-05-12
申请人： RapSon GmbH
发明人： Manfred Max Rapp
IPC分类号： F04C15/00 , F01C21/10 , F04C9/00 , F04C15/06 , F01C9/00 , F01C21/06 , F01C21/18 , F04C21/00 , F04C29/04 , F04C29/12
摘要： The invention relates to a piston machine which comprises: a housing with a chamber with has a substantially circle sector-shaped cross-section; a pivotal piston which is designed as a pivoting element, is arranged in the housing and comprises a first working surface, wherein the housing and the piston define at least one first variable working chamber; a drive or output which is connected to the piston; and an outlet which is arranged in the working chamber for discharging a working fluid. The housing has a cooling opening in at least one housing wall, said opening leading to the chamber at least for convectively cooling a piston side opposite the first working surface by means of a coolant.
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公开(公告)号：US20180087454A1
公开(公告)日：2018-03-29
申请号：US15829584
申请日：2017-12-01
摘要： An engine configuration that uses multiple opposing piston pairs to form respective expansion chambers for expanding a gas within to move the pistons to drive a main shaft. The engine can be configured to operate as an internal combustion engine that uses diesel fuel, gasoline, or natural gas, or it can be configured as an expander to convert high pressure high temperature gas to rotary power. The pistons may be mounted on the circumference of one or more disks. For any given set of choices of numbers of pistons and sizes of pistons, disks, and gears, there are disclosed dimensional constraints useful for more efficient functioning of the engine. This engine can be provided with a compact design which results in high power to weight ratios.
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