| Patents for F01C 19 - Sealing arrangements in rotary-piston machines or engines (1,301) |
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| 08/04/2005 | US20050166889 Positive displacement rotary device and method of use |
| 07/30/2005 | CA2496051A1 Positive displacement rotary device and method of use |
| 07/21/2005 | WO2005066501A1 Sealing surfaces between a wavy rotor collar and a displaceable slide of a pump |
| 07/21/2005 | WO2005066500A1 Rotary piston pump having an axially moving vane |
| 07/21/2005 | WO2005066499A1 Rotary piston pump comprising an axially movable vane |
| 07/21/2005 | WO2005066498A1 Rotary piston pump comprising an axially movable vane |
| 07/21/2005 | WO2005066497A1 Rotary pump provided with an axially movable blade |
| 07/21/2005 | WO2005066496A1 Rotary pump provided with an axially movable blade |
| 07/21/2005 | DE10359870B3 Sealing device for swing motor has sealing element able to be introduced into groove chamber in relaxed state |
| 07/13/2005 | CN1637298A 压缩机 Compressor |
| 07/07/2005 | WO2005042923A8 Positive displacement device |
| 07/07/2005 | DE10358519A1 Sealing unit for a rotary engine comprises a plastic glide frame bounding an inner sealing element and carrying outer plates with bores oriented in the circumferential direction of the engine |
| 06/30/2005 | US20050142019 Compressor |
| 06/29/2005 | EP1546509A1 Rotary positive displacement machine with orbiting piston |
| 06/16/2005 | DE10353027A1 Regelbare Pumpe, insbesondere Flügelzellenpumpe Adjustable pump, in particular vane pump |
| 06/15/2005 | EP1541802A1 Rotary internal combustion engine |
| 06/15/2005 | EP1540139A1 Endothermic rotary engine with two parallel rotation axes |
| 05/26/2005 | WO2005047705A1 Vacuum screw pump |
| 05/19/2005 | DE10348294A1 Rotary-piston engine for motor vehicle has sprocket connected to rotor in a hollow wheel so that eccentric runner runs at half of angular velocity of cam |
| 05/19/2005 | DE102004050415A1 Gaskompressionseinrichtung, die einen Schmiermittelaustritt verhindern kann Gas compression device that can prevent lubricant leakage |
| 05/12/2005 | WO2005042923A1 Positive displacement device |
| 05/03/2005 | US6887059 Lever-mechanism motor or pump |
| 05/03/2005 | US6886528 Rotary machine |
| 04/28/2005 | US20050087156 Lever-mechanism motor or pump |
| 04/28/2005 | US20050087066 Rotary fluid machine |
| 04/26/2005 | US6884051 Rotary fluid machinery |
| 04/21/2005 | US20050084404 Gas compression apparatus capable of preventing lubricant leakage |
| 04/19/2005 | US6880451 Oscillating motor |
| 04/14/2005 | US20050079084 Rotary pistons |
| 03/24/2005 | WO2005026500A1 Rotary and pivoting vane pump |
| 03/24/2005 | DE102004030360A1 Pneumatic cylinder for pneumatic tool has two sealing rings located in cavities in sealing caps and installed between bottom walls of cavities and end faces of bearings so that between them exists an air seal arrangement |
| 03/17/2005 | WO2005024237A1 Rotating piston machine |
| 03/17/2005 | CA2536279A1 Rotary piston machine |
| 03/16/2005 | CN1596332A Rotary volumetric machine |
| 03/03/2005 | DE10319895A1 Operating method for rotary swivel piston motor esp. hydrogen motor has housing inner bore with rotor and three chambers, divided into variable-sized working chambers by swivel pistons on rotor |
| 02/10/2005 | US20050031479 Rotary fluid machine |
| 02/03/2005 | US20050025633 Rotating fluid machine |
| 01/27/2005 | US20050019197 Rotary volumetric machine |
| 01/06/2005 | WO2005001259A1 Rotary internal combustion engine |
| 01/06/2005 | WO2004076819A3 Rotary piston machine with an oval rotary piston guided in an oval chamber |
| 01/06/2005 | US20050000483 Ballanced rotary internal combustion engine or cycling volume machine |
| 01/06/2005 | US20050000214 Rotary positive displacement machine |
| 12/22/2004 | EP1488087A2 Controllable combustion method and device |
| 12/09/2004 | WO2004106712A1 Vane-type rotary internal combustion engine (variants), a blade-swinging mechanism, unit of blade sealing elements and a bearing support for said blade swinging mechanism |
| 12/08/2004 | EP1484474A1 Endothermic engine with rotating pistons |
| 11/25/2004 | US20040234406 Rotating fluid machine |
| 11/11/2004 | WO2004074687A3 Vacuum pump with a plastic blade |
| 11/09/2004 | US6814045 Rotary internal combustion engine |
| 11/03/2004 | EP1472434A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 10/27/2004 | EP1471255A1 Vane pump |
| 10/13/2004 | EP1466078A2 Rotary positive displacement machine |
| 09/23/2004 | DE10310185A1 Disk seal for internal combustion engine, has annular central section having disks radially arranged from its center of rotation to seal work spaces between rotor disks, rotor walls, rotor piston hub, and inner wall of stationary case |
| 09/16/2004 | DE10307040A1 Vacuum pump, especially for power assisted vehicle braking system, includes vane having interior hollow spaces with closed injection holes |
| 09/14/2004 | CA2090195C Self propelled submersible suction cleaner |
| 09/10/2004 | WO2004076819A2 Rotary piston machine with an oval rotary piston guided in an oval chamber |
| 09/09/2004 | DE10308831B3 Rotationskolbenmaschine mit einem in einer ovalen Kammer geführten ovalen Rotationskolben Rotary piston engine with a guided in an oval chamber oval rotary piston |
| 09/02/2004 | WO2004074687A2 Vacuum pump with a plastic blade |
| 08/25/2004 | EP1448873A1 Rotary volumetric machine |
| 08/19/2004 | US20040160013 Vented high pressure shaft seal |
| 08/04/2004 | EP1025341A4 Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism |
| 07/29/2004 | WO2004063532A1 External combustion rotary piston engine |
| 07/29/2004 | US20040146421 Vane pump having an abradable coating on the rotor |
| 07/29/2004 | CA2552819A1 External combustion rotary piston engine |
| 07/28/2004 | EP1441106A1 Vane pump with coated rotor |
| 07/15/2004 | US20040134345 Oscillating motor |
| 07/13/2004 | US6761143 Coupling structure for expansion unit output shaft and driven-side transmission shaft |
| 06/30/2004 | EP1285149A4 Hinged rotor internal combustion engine |
| 06/30/2004 | EP1268980A4 Piston for an internal combustion engine |
| 06/16/2004 | EP1428978A1 Rotary fluid machine |
| 06/16/2004 | EP1040259A4 Rotary engine having enhanced charged cooling and lubrication |
| 05/19/2004 | DE10251508A1 Vane cell machine has sealing rails with cylindrical contact faces adapted to curvature of cylindrical housing bore surface, and fastened to vane sliders |
| 05/12/2004 | EP1141530A4 Rotary engine having enhanced charged cooling and lubrication |
| 04/22/2004 | WO2004033856A1 A rotary engine |
| 04/20/2004 | CA2315639C Rotary engine having enhanced charged cooling and lubrication |
| 04/15/2004 | WO2004031539A1 Rotary positive displacement machine with orbiting piston |
| 04/13/2004 | US6718938 Hinged rotor internal combustion engine |
| 03/18/2004 | DE10242765A1 Sealing plate for separation of working chambers of oscillating motor is manufactured in one piece from plastic and/or rubber and/or metal, and corrugated in radial and/or axial direction to compensate for thermal expansion |
| 03/11/2004 | WO2004020791A1 Endothermic rotary engine with two parallel rotation axes |
| 03/11/2004 | DE10243696B3 Pivot motor has pressure equalization between working chambers provided via pressure equalization channel formed by groove between motor shaft and concentric sleeve |
| 02/19/2004 | DE3745098B4 Kompressor der Spiralbauart Scroll type compressor |
| 02/10/2004 | US6688865 Vane type fluid machinery having a deformable seal portion on the vane |
| 01/29/2004 | WO2004009960A1 Rotary internal combustion engine |
| 01/21/2004 | CN1469063A Discharge high-pressure axle seal element |
| 12/31/2003 | WO2003067030A3 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 12/17/2003 | EP1371850A1 Rotary fluid pressure device with a vented high pressure shaft seal |
| 12/11/2003 | US20030228237 Gerotor apparatus for a quasi-isothermal Brayton Cycle engine |
| 12/11/2003 | US20030227140 Vented high pressure shaft seal |
| 12/04/2003 | DE20220639U1 Sealing arrangement used in a rotating piston machine comprises a closing part guided in an axial direction and pressed onto a rotating piston by adjusting devices controlled by the friction moment |
| 11/27/2003 | WO2003062604A3 Rotary positive displacement machine |
| 11/26/2003 | EP1365151A1 Gerotor motor with lubrication grooves |
| 11/20/2003 | US20030215345 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 10/30/2003 | WO2003089765A1 Rotary pistons machine |
| 10/23/2003 | DE10217228C1 Vane machine powered by steam or a gas, also as a rotating piston motor, has sealing rings which are under pressure from the expanding power medium to give sealing between the vane cell with low friction and wear |
| 10/16/2003 | US20030192503 Rotary machine |
| 10/16/2003 | DE10251182C1 Expansion motor has a radial sealing action at only one point to reduce friction loss between the rotating disks and the sealing covers, where a vane wheel rotor rotates within a running sleeve to power the drive shaft |
| 09/17/2003 | CN1121556C Screw rod mechanism |
| 09/11/2003 | US20030170136 Lever-mechanism motor or pump |
| 09/04/2003 | US20030165393 Rotary fluid machinery |
| 08/14/2003 | WO2003067030A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 08/14/2003 | CA2475229A1 Gerotor apparatus for a quasi-isothermal brayton cycle engine |