Patents for F03C 2 - Rotary-piston engines (2,448)
09/2005
09/09/2005WO2005081913A2 Improvements in spherical fluid machines
09/09/2005CA2557051A1 Improvements in spherical fluid machines
09/07/2005CN2723721Y Two-way large torque motor and pump
09/01/2005US20050191173 Rotary ram-in compressor
08/2005
08/31/2005CN1661250A Lubricating-fluid infusion apparatus
08/31/2005CN1661249A Fluid dispensation method
08/31/2005CN1661248A Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device
08/30/2005US6935853 Variable capacity rotary compressor
08/25/2005US20050186103 Rotary combustion engine with device for conveying lubricating oil
08/25/2005US20050186102 Rotary combustion engine with an improved inner seal
08/25/2005US20050186101 Method of Charging Dynamic-Pressure Bearing Device with Lubricating Fluid, and Method of Inspecting Dynamic-Pressure Bearing Device
08/25/2005US20050186100 Spherical fluid machines
08/25/2005US20050184085 Fluid Dispensation Method
08/25/2005US20050183906 Lubricating-Fluid Infusion Apparatus
08/23/2005US6932587 Gerotor motor with valve in rotor
08/11/2005WO2005073512A1 Retrorotating, post-rotating and birotating prime movers (second part: general conclusion)
08/11/2005DE10356301B3 Hydraulischer Motor Hydraulic motor
08/04/2005DE19535372B4 Hydraulische Maschine Hydraulic machine
07/2005
07/28/2005WO2005068839A1 Hydraulic motor having an oscillating supporting piston
07/21/2005WO2005066460A1 Rotary piston engine
07/21/2005WO2005020413A3 Self regulating rotor
07/14/2005DE10360172A1 Hydraulischer Motor Hydraulic motor
07/13/2005CN1637298A 压缩机 Compressor
07/07/2005WO2005061897A1 Hydraulic motor
07/07/2005WO2005042923A8 Positive displacement device
06/2005
06/30/2005US20050142019 Compressor
06/28/2005US6910873 Self regulating rotor
06/15/2005EP1540184A1 Gear pump
06/15/2005EP1540175A1 Vane-type hydraulic motor
06/14/2005US6905319 Stator for down hole drilling motor
05/2005
05/18/2005CN2700597Y Cam planet gear motor
05/17/2005US6893238 Ring gear machine clearance
05/12/2005WO2005042923A1 Positive displacement device
04/2005
04/28/2005US20050088041 Housing including shock valves for use in a gerotor motor
03/2005
03/30/2005EP1053400B1 Hydraulic motor with lubrication path
03/24/2005CA2442351A1 Retro-rotary, post-rotary and bi-rotary power machines (conclusion)
03/03/2005WO2005020413A2 Self regulating rotor
03/03/2005DE10333955A1 Rotary internal combustion engine has rotor-chamber-wheel, which rotates frictionlessly around the circumference
02/2005
02/24/2005US20050042126 Vane type rotary machine
02/24/2005US20050042095 Self regulating rotor
02/24/2005DE10190888T5 Hydraulischer Druckwandler Hydraulic pressure transducer
02/22/2005US6857863 Power steering pump
02/10/2005CA2533822A1 Two-lobe rotary machine
02/09/2005CN1576599A 可变容量旋转式压缩机 The variable capacity rotary compressor
02/09/2005CN1576590A 可变容量旋转压缩机 Variable capacity rotary compressor
02/02/2005CN1573302A Non round gear and volumetric flowmeter using same
02/02/2005CN1573111A Gear pump or motor
01/2005
01/27/2005US20050019191 Variable capacity rotary compressor
01/27/2005US20050019189 Variable capacity rotary compressor
01/12/2005CN1563674A Noncircular gear planetary gear train hydraulic motor
01/12/2005CN1184422C Double speed motor with forced circulation
01/05/2005CN1183330C Vortex type compressor
12/2004
12/29/2004WO2004113664A1 Inner and outer motor with eccentric stabilizer
12/22/2004CN1181258C Positive-displacement type hydraulic component with almost zero side gap
12/16/2004US20040250546 Rotating fluid machine
12/09/2004US20040247475 Scroll fluid machine
12/09/2004US20040247473 Method of controlling shifting of two-speed motor
12/08/2004EP1484505A1 Method of controlling shifting of two-speed motor
12/07/2004US6827562 Method of controlling shifting of two-speed motor
12/02/2004US20040241031 Gear pump or motor
11/2004
11/25/2004US20040234406 Rotating fluid machine
11/17/2004CN1546861A Rotary piston type fluid element
11/10/2004CN1175187C Oldham coupling for a scroll compressor
10/2004
10/14/2004DE10314488A1 Electro-hydraulic motor type oil circulating machine, has two separate housings, one for toothed ring and other for gearwheels
10/07/2004WO2004085798A1 Gerotor mechanism for a screw hydraulic machine
10/06/2004EP1334265A4 Fluid power transfer device
09/2004
09/28/2004CA2317014C Series for compressed air motors with torque which can be theoretically output in a varied manner and a method for producing the individual compressed motors of said series
09/22/2004EP1044332B1 Series for compressed air motors with torque which can be theoretically output in a varied manner
09/01/2004CN1164866C Leakage oil return apparatus for a hydraulic motor
08/2004
08/31/2004US6783339 Hydraulic motor with a separate spool valve
08/25/2004CN1523238A Rotary fluid pressure device and improved integral brake assembly
08/19/2004US20040160013 Vented high pressure shaft seal
08/12/2004DE102004003335A1 Motorölsystem mit Verstellpumpe Engine oil system with variable
08/05/2004US20040152143 Growth differentiation factor-9
08/04/2004EP1443213A1 Vane type rotary machine
08/04/2004EP1443212A1 Gerotor with brake assembly
07/2004
07/29/2004US20040144354 Engine oil system with variable displacement pump
07/28/2004CN2628745Y Energy-saving combined gear water motor
07/20/2004US6763797 Engine oil system with variable displacement pump
07/15/2004US20040136853 Variable displacement pump having rotating cam ring
07/14/2004EP0931221B1 A rotary machine
07/14/2004CN1512060A Peripheral power structure
06/2004
06/30/2004EP1261803B1 Leakage oil return apparatus for a hydraulic motor
06/29/2004US6755018 Leakage oil return apparatus for a hydraulic motor
06/24/2004WO2004020826A3 Gerotor mechanism
06/17/2004DE10356183A1 Hydrostatic motor has a number of freely rotating roller bearings located between the load-distribution housing, valve control and shaft
06/01/2004US6743002 Rotary fluid pressure device and improved integral brake assembly
03/2004
03/18/2004US20040052668 Gerotor motor with valve in rotor
03/11/2004WO2004020826A2 Gerotor mechanism
03/10/2004CN1481471A Fluid power transfer device
03/04/2004WO2004018871A1 Vane-type hydraulic motor
03/02/2004US6699024 Hydraulic motor
02/2004
02/10/2004US6688869 Extensible vane motor
02/05/2004US20040022660 Ring gear machine clearance
01/2004
01/28/2004CN1136387C Stepping rotary piston fluid motor
01/27/2004US6682328 Multi-stage scroll fluid machine having a seal element between compression sections
01/21/2004CN1469063A Discharge high-pressure axle seal element
12/2003
12/17/2003EP1371850A1 Rotary fluid pressure device with a vented high pressure shaft seal
12/11/2003WO2003102420A1 Gear pump
12/11/2003US20030227140 Vented high pressure shaft seal
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