| Patents for F01B 13 - Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion (1,025) |
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| 05/27/2008 | US7377238 Variable compression ratio device of internal combustion engine |
| 05/22/2008 | WO2008059271A1 Engine |
| 05/20/2008 | US7373870 Universal hybrid engine, compressor and pump, and method of operation |
| 05/15/2008 | DE202008000303U1 Verbrennungsmotor Combustion engine |
| 05/06/2008 | US7367258 Longitudinally adjustable reversible axial piston machine |
| 04/29/2008 | US7363849 Axial piston machine with offset positioning element and cam disk for such an axial piston machine |
| 04/03/2008 | WO2008037352A1 Compressive force engine, in particular internal combustion engine, with an annular structure |
| 03/19/2008 | EP1899579A2 Internal combustion machine provided with rotationally arranged combustion chambers and pistons, in particular for non-stationary drive assemblies |
| 03/19/2008 | EP1197634B1 Rotary cylinder device |
| 03/11/2008 | US7340988 Hydraulic machine having axial pistons with a synchronization system |
| 03/11/2008 | US7340890 Hydraulic apparatus with return to neutral mechanism |
| 02/14/2008 | US20080034958 Return to neutral for dual hydrostatic transmission |
| 02/13/2008 | EP1885998A1 Rotary piston machine |
| 02/05/2008 | US7325476 Variable stroke and clearance mechanism |
| 01/22/2008 | US7320273 Compressor |
| 01/02/2008 | CN200999629Y Hydraulic rotary motor for engineering machinery |
| 01/01/2008 | US7313915 Assembly for use with a return to neutral mechanism |
| 12/27/2007 | DE102006028652A1 Thermally enclosed positive-displacement machine for use in cryogenic engineering application, has inlet and outlet connections arranged at respective upper and lower sides of housing, and piston sealed opposite to cylinder bore |
| 12/26/2007 | CN200996299Y Hydraulic walking motor for engineering machinery |
| 12/21/2007 | WO2007144074A1 Internal combustion engine, particularly for a tool |
| 12/13/2007 | DE202006020182U1 Ventiltrieb für eine Brennkraftmaschine mit verschiebbaren Raumnocken Valve train for an internal combustion engine with adjustable cam room |
| 12/06/2007 | WO2007137951A1 Improvement to radial piston hydraulic pumps |
| 12/04/2007 | US7302883 Hybrid nutating pump |
| 11/28/2007 | CN101078353A Motive power machine device |
| 11/20/2007 | CA2447972C Engine generator |
| 11/08/2007 | WO2007125271A1 Engines |
| 10/31/2007 | EP1836376A4 Rotor assembly for rotary power device |
| 10/24/2007 | EP1846646A1 Rotor-piston internal combustion engine |
| 10/11/2007 | DE102006016730A1 Internal-axis rotary piston engine e.g. diesel engine, for e.g. commercial vehicle, has inner rotor directly connected with outer rotor by hinge in torque proof manner by blocking pivotable movements of pistons, which seal workspaces |
| 10/09/2007 | CA2393582C Rotary engine |
| 10/04/2007 | US20070227345 Balanced Rotary Engine |
| 09/26/2007 | EP1836376A1 Rotor assembly for rotary power device |
| 09/11/2007 | US7267042 Hydraulic motor with telescopic propulsion members retained sealingly against associated contact surfaces by internal resilient means |
| 09/11/2007 | US7267041 Reciprocating piston compressor |
| 08/30/2007 | US20070199441 Fluid Pressure Cylinder |
| 08/30/2007 | DE59911761C5 Vorrichtung zur Übertragung eines Drehmomentes von einem Verbrennungsmotor zu einem Kompressor A device for transmitting a torque from an engine to a compressor |
| 08/16/2007 | US20070186764 Hydraulic axial piston machine |
| 08/15/2007 | CN101018949A Orbiting valve for a reciprocating pump |
| 07/26/2007 | US20070169619 Pumps |
| 07/12/2007 | WO2007021651A3 Integrated compressor/expansion engine |
| 06/28/2007 | US20070144341 Piston assembly |
| 06/21/2007 | US20070137595 Radial engine power system |
| 06/21/2007 | US20070137476 Setting device joint with a rotating wobbler |
| 06/19/2007 | US7231894 Rotary positive displacement machine |
| 06/14/2007 | US20070131182 Internal turbine-like toroidal combustion engine |
| 06/14/2007 | US20070131106 Axial piston engine having an adjustment unit for electrically proportionally adjusting the supply volume |
| 06/13/2007 | EP1794426A1 Internal combustion engine |
| 06/05/2007 | US7225721 Hydraulic motor |
| 05/30/2007 | EP1789678A1 Orbiting valve for a reciprocating pump |
| 05/22/2007 | US7219631 High torque, low velocity, internal combustion engine |
| 05/15/2007 | US7216579 Variable flow control devices, related applications, and related methods |
| 05/03/2007 | US20070095307 Rotary machine |
| 04/25/2007 | EP1777367A1 Rotary fluid motor |
| 04/25/2007 | CN2893157Y Machine body rotating internal combustion engine |
| 04/03/2007 | US7197873 Assembly for use with a return to neutral mechanism |
| 03/28/2007 | CN2883676Y I.C. engine having its body and spindle synchronously rotating |
| 03/28/2007 | CN2883675Y Plametary cylinder type planger pump or motor |
| 03/22/2007 | US20070062367 Hydraulic control |
| 03/22/2007 | US20070062366 Damping device |
| 03/06/2007 | US7185578 Piston assembly |
| 02/20/2007 | US7178449 Hydraulic device driving a rotating receiver |
| 02/20/2007 | US7178336 Pump |
| 02/15/2007 | US20070034077 Arrangement for controlling a hydraulically driven motor |
| 02/13/2007 | US7174827 Mounting clip for thrust bearing |
| 01/25/2007 | WO2007011321A1 Rotary engine |
| 01/25/2007 | WO2007009731A1 Compressed gas rotary cylinder engine |
| 01/25/2007 | DE102005033448A1 Druckgas-Zylinderläufermotor Pressure gas cylinder rotor motor |
| 01/18/2007 | DE10145478B4 Hubkolbenmaschine mit umlaufendem Zylinder Reciprocating engine with all-round cylinder |
| 01/16/2007 | US7162948 Variable stroke assembly balancing |
| 12/27/2006 | CN1884805A Guide rail type high-speed big-torque engine |
| 12/21/2006 | WO2006135349A1 Rotary engine with hydraulic transmission and valveless distribution supplied by an oxygen separator |
| 12/07/2006 | WO2006128545A1 Rotary piston machine |
| 12/07/2006 | US20060272496 HST unit |
| 12/07/2006 | US20060272495 Hydraulic pump unit |
| 11/29/2006 | CN1287086C Gas compression engine |
| 11/29/2006 | CN1287074C Reciprocating piston engine comprising a rotative cylinder |
| 10/17/2006 | US7121190 Fluid machine for gas compression refrigerating system |
| 10/03/2006 | US7114434 Reciprocating compressor |
| 09/20/2006 | CN1834429A Double-cylinder and multi-cylinder rotor engine |
| 09/13/2006 | EP1367218B1 Expansion machine |
| 08/31/2006 | WO2006089405A1 Dual piston rotary engine |
| 08/29/2006 | US7097437 Rotary fluid machine |
| 08/23/2006 | EP1155221B1 Rotary two-stroke engine |
| 08/23/2006 | CN1271322C Engine generator |
| 08/17/2006 | WO2006084542A1 Rotor-piston internal combustion engine |
| 08/15/2006 | US7090476 Rotary fluid machine |
| 08/15/2006 | US7089847 Hydraulic cam motor |
| 08/01/2006 | US7083402 Rotating fluid machine |
| 08/01/2006 | US7082762 Pump |
| 07/19/2006 | CN1806092A Hybrid nutating pump |
| 07/13/2006 | US20060150809 Method of slowing a hydrostatic drive work machine |
| 07/06/2006 | US20060144220 Pneumatically actuated assembly apparatus and method of assembly |
| 06/22/2006 | US20060130803 Multiple-power engine device |
| 06/21/2006 | CN2789415Y Cylinder rotary piston differential engine |
| 06/14/2006 | EP1383993B1 Engine generator |
| 06/08/2006 | US20060120881 Axial piston engine |
| 06/07/2006 | CN1782328A Compact unitized cradle swashplate bearing |
| 05/11/2006 | WO2006031935B1 Orbiting valve for a reciprocating pump |
| 05/09/2006 | US7040872 Rotary fluid machinery |
| 05/04/2006 | US20060090638 Rotary fluid motor |