Patents
Sitemap › F03 - Machines or engines for liquids; Wind, spring, or weight motors; Producing mechanical power or a reactive propulsive thrust, not otherwise provided for › F03C - Positive-displacement engines driven by liquids › F03C 2 - Rotary-piston engines
Patents for F03C 2 - Rotary-piston engines (2,448)
07/2014
07/09/2014CN102282333B 阀控井底马达 VRLA downhole motor
07/02/2014CN203685562U 一种双作用变量叶片泵或马达 A dual role of variable vane pump or motor
07/02/2014CN203685466U 防缠绕旋转式液压马达结构 Anti-winding rotary hydraulic motor structure
07/02/2014CN203685465U 一种采用非对称内曲线的变排量液压马达 One kind of asymmetric within the variable displacement hydraulic motor curve
07/02/2014CN203685464U 短壳体轴向紧凑型高速配流摆线液压马达 Short case axial flow with a compact high-speed hydraulic motors cycloid
07/02/2014CN203685463U 双定子摆线液压马达 Double cycloid hydraulic motor stator
07/02/2014CN203685462U 高速配流摆线液压马达 Cycloid hydraulic motor speed with the flow
07/02/2014CN203685461U 集成内置强制湿式自锁式摆线液压马达结构 Integrated built-in self-locking forced wet cycloid hydraulic motor structure
07/02/2014CN203685460U 可直接测速摆线液压马达的输出轴 Direct cycloid speed hydraulic motor output shaft
07/02/2014CN103899361A 转轮涡环滑板机构 Runner vortex ring skateboard agency
07/01/2014US8764424 Screw pump with field refurbishment provisions
07/01/2014US8764423 Scroll compressor with fluid injection feature
07/01/2014US8764421 Scroll type fluid machinery
07/01/2014US8764420 Eccentric-screw pump with replaceable rotor and stator
06/2014
06/25/2014CN103883864A 行星奇异齿齿轮泵液压马达及奇异齿变容技术 Planetary gear pump hydraulic motor singular and strange teeth varactor technology
06/25/2014CN103883357A 一种齿轮分流马达的旋转密封机构、齿轮分流马达 A GEAR shunt motor rotary sealing mechanism, shunt motor gear
06/24/2014US8757993 Gear pump with fluid communication portion
06/24/2014US8757992 Air compression device
06/18/2014CN203656171U 一种用于液压回转马达的缸体 A cylinder for hydraulic rotary motor
06/17/2014US8753099 Sealing system for gerotor apparatus
06/17/2014US8753098 Refrigerant compressor
06/10/2014US8747091 Water injection type screw compressor
06/10/2014US8747087 Scroll pump having pockets formed in an axial end face of a scroll wall
06/10/2014US8747086 Scroll compressor
06/05/2014DE102012221950A1 External gear motor of external gear machine, has teeth elements formed in recess on engagement portion to overlap opposite side of gear rotational axes in bearing end surfaces and outside sealing region to extend gear axis of rotation
06/04/2014CN203627078U 平面配流摆线液压马达 Cycloid hydraulic motor plane with flow
06/04/2014CN203627077U 一种摆线液压马达体壳孔 One kind cycloid hydraulic motor body shell hole
06/03/2014US8740594 Scroll compressor including seal member and guide ring
06/03/2014US8740593 Variable displacement pump having a rotating cam ring
06/03/2014US8740592 Adjustable vane cell pump with a slide comprising recesses
05/2014
05/28/2014CN102062161B 活性材料致动的单向离合器 An active material actuator way clutch
05/27/2014US8734142 Rotation preventing member of a scroll compressor
05/27/2014US8734141 Stator/rotor assemblies having enhanced performance
05/21/2014CN203604111U 平稳轴阀配流摆线液压马达 Smooth shaft valve with flow cycloid hydraulic motor
05/21/2014CN203604110U 一种液压马达换向装置 A hydraulic motor commutation device
05/21/2014CN203604109U 一种离心机液压马达 One kind of centrifuge hydraulic motor
05/21/2014CN203604108U 一种双出轴液压马达 A dual output shaft of the hydraulic motor
05/21/2014CN103807093A 一种阀片式液压马达 A valve-piece hydraulic motor
05/21/2014CN103807092A 用于凸轮转子叶片式液压伺服马达的凸轮转子 Cam Cam rotor rotor blades for hydraulic servo motors
05/14/2014EP2729706A1 Rotary fluid machine
05/14/2014CN103790638A 具有转轮涡环机构的流体机械 Fluid mechanical vortex ring with a runner agencies
05/14/2014CN102678181B 一种双螺杆膨胀机转子型线 A twin-screw expander rotor profile
05/07/2014CN203584679U 轴配流摆线液压马达 Axial flow cycloid hydraulic motor
05/07/2014CN203584678U 轴阀配流摆线液压马达 Shaft valve with flow cycloid hydraulic motor
05/06/2014US8714950 Scroll compressor having tip seals of different lengths having different thickness or widths
04/2014
04/30/2014CN103758691A Integrated internally-installed forced wet-type self-locking cycloid hydraulic motor structure
04/30/2014CN102808654B Rotating valve mechanism and planetary rotating device using same
04/29/2014US8708676 Drive system having a variable output gerotor pump
04/24/2014WO2014062680A2 Mobile device user interface having enhanced visual characteristics
04/23/2014CN103742354A Anti-winding rotary hydraulic motor structure
04/23/2014CN103742353A Plane valving cycloid hydraulic motor
04/23/2014CN102337930B Star rotary rotation device
04/22/2014US8702409 Screw compressor having male and female rotors with profiles generated by enveloping a rack profile
04/22/2014US8702407 Multistage roots vacuum pump having different tip radius and meshing clearance from inlet stage to exhaust stage
04/22/2014US8702406 Compressor alignment method and device
04/17/2014DE102012020326A1 Rotationskolben-Verdrängermaschine A rotary piston displacement
04/16/2014CN103726983A High-speed flow distribution cycloid hydraulic motor
04/09/2014CN103711637A Multiple-blade type oil motor
04/08/2014US8690555 Two-stage rotary expander, expander-compressor unit, and refrigeration cycle apparatus
04/02/2014CN203515679U Energy conversion device
04/02/2014CN203515678U Vane type energy conversion device
04/02/2014CN103696907A Short-shell axially compact high-speed flow distribution cycloid hydraulic motor
04/02/2014CN103696906A Flow-distributing cycloid hydraulic motor of smooth and steady shaft valve
04/01/2014US8684715 Vane machine
04/01/2014US8684714 Internal orbital engine
04/01/2014US8684712 Oil pump for a vehicle
04/01/2014US8684711 Powder metal scroll hub joint
03/2014
03/26/2014CN203499913U Novel hydraulic cycloid motor
03/26/2014CN203499912U High-speed variable oil motor with radial pin rollers
03/26/2014CN103671101A Hydraulic mechanical control mechanism
03/26/2014CN103671087A Pumps with revolving piston structure, related products and part of embodiments
03/26/2014CN103670907A Eccentric hydro generator
03/26/2014CN103670906A Hydro generator with eccentric rotating blades
03/26/2014CN103670905A Water turbine with eccentric rotating blades
03/26/2014CN103670904A Eccentric hydro generator with rotating blades
03/26/2014CN103670903A Eccentric water turbine with rotating blades
03/26/2014CN103670902A Vane type hydraulic motor
03/26/2014CN103670901A Multiple-blade hydraulic motor
03/26/2014CN103670900A Variable displacement hydraulic motor using asymmetric inner curve
03/26/2014CN103670899A Water turbine with eccentric rotating blades
03/26/2014CN103670898A Hydro generator with eccentric rotating blades
03/26/2014CN103670897A Eccentric water turbine
03/26/2014CN103670896A Vane type oil motor
03/25/2014US8678798 Rotary pump device having seal mechanism which includes resin member and reinforcing ring in hollow portion of resin member
03/25/2014US8678797 Variable displacement scroll compressor having first and second compression chambers that communicate with each other
03/25/2014US8678795 Stator of a gerotor device and a method for manufacturing roller pockets in a stator of a gerotor device
03/19/2014CN103649584A Rotors formed using involute curves
03/19/2014CN103644072A Shell hole of cycloid hydraulic motor and machining method thereof
03/18/2014US8672659 Vane air motor with prevention of leaking radial bearing grease
03/18/2014US8672658 Vane pump with improved rotor and vane extension ring
03/18/2014US8672655 Scroll compressor having a pass hole for preventing over-compression under a low load condition
03/12/2014CN203476398U Fluid machine with turning wheel whirling mechanism
03/12/2014CN103629043A Large-displacement embedded column type cycloid hydraulic motor with rotor and stator pair
03/12/2014CN103629042A Shaft valve flow distribution cycloid hydraulic motor
03/11/2014US8668478 Compressor having a shutdown valve
03/06/2014WO2014032120A1 Gear assembly
03/05/2014CN203463224U Hydraulic drive head
03/05/2014CN103615354A Large-displacement integrated rotor and stator pair cycloid hydraulic motor
03/04/2014US8662870 Integrated pump for compressible fluids
03/04/2014US8662869 Multi-stage dry pump
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