| Patents for F01B 3 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis (2,319) |
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| 02/23/2000 | CN1245264A Piston and manufacturing method thereof |
| 02/22/2000 | US6027250 Roller bearing segment for swashplates and other limited-oscillation applications |
| 02/15/2000 | US6024009 Reciprocating pistons of piston-type compressor |
| 02/10/2000 | DE19833711A1 Hydrostatische Axialkolbenmaschine mit einer Nachführvorrichtung für eine Zwischenscheibe Hydrostatic axial piston machine with a tracking device for a washer |
| 02/09/2000 | EP0977939A1 Arrangement in a two cycle combustion engine with internal combustion |
| 02/09/2000 | EP0977938A1 Arrangement in a combustion engine with internal combustion |
| 02/02/2000 | EP0976912A2 Hydro-static axial piston machine with a secondary guiding device for an intermediary disk |
| 02/01/2000 | US6019027 Refrigerant compressor |
| 01/26/2000 | EP0974752A2 Feedback control circuit for a variable speed hydromotor |
| 01/20/2000 | DE19841046A1 Reciprocating piston power and/or work machine with rotating reciprocating piston with annular groove in it and guide pin on cylinder fitting in groove |
| 01/12/2000 | EP0970291A1 Method for the production of a ball jointed connection |
| 12/22/1999 | EP0964980A1 Axial piston machine with rpm-dependent pressure acting against the cylinder drum |
| 12/21/1999 | US6003480 Wobble plate engine |
| 12/16/1999 | DE19822714A1 System to set the thermodynamics of a motor air intake |
| 12/15/1999 | EP0963506A1 Hydrostatic machine piston |
| 11/30/1999 | US5992357 Piston driven axial cylinder engine |
| 11/24/1999 | EP0959227A2 Piston and method of manufacture |
| 11/23/1999 | CA2194963C Hydraulic machine with gear-mounted swash-plate |
| 11/10/1999 | EP0955454A1 Axial double piston star engine |
| 11/09/1999 | US5979271 Axle driving apparatus |
| 10/28/1999 | WO1999054624A1 A hydraulic rotating axial piston engine |
| 10/28/1999 | WO1999054608A1 Inclined single cylinder engine |
| 10/26/1999 | US5971717 Axial piston machine having a cooling circuit for the cylinders and pistons |
| 10/26/1999 | US5970844 Cylinder sleeve assembly |
| 10/21/1999 | WO1999053222A1 Device for converting a reciprocating motion into a rotary motion or vice versa |
| 09/23/1999 | DE19815614A1 Axial piston machine with hydrostatic relief of cylinders |
| 09/22/1999 | EP0943798A2 Axial piston machine with hydrostatic relief of the cylinder bores |
| 09/21/1999 | US5953980 Piston type compressors |
| 09/14/1999 | US5950521 Swash-plate compressor capable of insuring sufficient lubrication between a piston and a shoe slidably interposed between the piston and a swash plate |
| 09/02/1999 | WO1999043925A1 Axial piston motor |
| 08/26/1999 | DE19807443A1 Control mechanism for axial piston machine ensures compatibility of drive to adjustment device |
| 08/03/1999 | CA2138541C Rotary power device |
| 07/29/1999 | WO1999037899A1 Internal combustion engine |
| 07/29/1999 | WO1999019646A3 Rotating/reciprocating cylinder positive displacement device |
| 07/13/1999 | US5921151 Integrated hydrostatic transmission |
| 06/30/1999 | EP0676009B1 Volumetric fluid machine equipped with pistons without connecting rods |
| 06/23/1999 | EP0924405A1 Internal combustion engine with central chamber |
| 06/17/1999 | WO1999030034A1 A hydraulic rotating axial piston engine |
| 06/16/1999 | EP0922156A1 Electric swashplate actuator for stirling engine |
| 06/09/1999 | EP0920586A1 Axial piston pump or motor |
| 06/09/1999 | EP0920541A1 Method for making parts usable in a fuel environment |
| 05/27/1999 | DE19807867C1 Four stroke rotary-reciprocating internal combustion engine |
| 05/26/1999 | EP0917617A1 Improvements in axial piston rotary engines |
| 05/18/1999 | US5904044 Fluid expander |
| 05/12/1999 | EP0850350B1 Piston driven axial cylinder engine |
| 04/22/1999 | WO1999019646A2 Rotating/reciprocating cylinder positive displacement device |
| 04/20/1999 | US5894820 Engine for converting linear motion into rotational motion |
| 04/20/1999 | US5894783 Hydrostatic transmission swash plate assembly |
| 04/14/1999 | CN1214105A Axial piston pump motor |
| 04/14/1999 | CN1042974C Wobble yoke assembly |
| 04/06/1999 | US5890462 Tangential driven rotary engine |
| 03/25/1999 | WO1999014471A1 Variable compression piston assembly |
| 03/02/1999 | CA2125340C Compressor |
| 02/23/1999 | CA2161868C Wobble yoke assembly |
| 02/02/1999 | US5865608 Air flow system for circular rotary type engines |
| 01/21/1999 | WO1999002840A1 External combustion engine |
| 01/20/1999 | EP0891488A1 Axial piston machine with internal flushing cycle |
| 01/13/1999 | CN1205054A Swash plate type hydraulic rotating machine and method of manufacturing casing for same |
| 01/07/1999 | DE19727071A1 Axial piston reciprocating engine |
| 12/30/1998 | WO1998059160A1 Axial piston rotary machine |
| 12/30/1998 | CN1203318A Retaining system for slipper holddown pins |
| 12/22/1998 | US5850810 Spinning and shuttling piston assembly |
| 12/02/1998 | EP0881385A2 Refrigerant compressor |
| 12/01/1998 | US5842448 Oscillating reciprocating piston two-stroke engine |
| 11/19/1998 | WO1998051905A1 Axial piston engine |
| 11/19/1998 | DE19821915A1 Piston fluid displacement unit esp. for use in the piston compressor assembly for a vehicle air conditioning system. |
| 11/17/1998 | US5836846 Electric swashplate actuator for stirling engine |
| 11/17/1998 | US5836283 Disc-type rotary engine |
| 11/05/1998 | WO1998049437A1 Arrangement in a two cycle combustion engine with internal combustion |
| 11/05/1998 | WO1998049436A1 Arrangement in a combustion engine with internal combustion |
| 11/05/1998 | DE19718575A1 Reciprocating engine with in=line pistons |
| 11/05/1998 | CA2287378A1 Arrangement in a combustion engine with internal combustion |
| 10/20/1998 | US5823162 Way of operation of distribution mechanism of a four-stroke internal combustion engine |
| 10/15/1998 | DE19714496A1 Electromagnetic operating device for i.c. engine inlet valve |
| 10/01/1998 | WO1998044248A1 Barrel type internal combustion engine |
| 10/01/1998 | WO1998042949A1 Method for the production of a ball jointed connection |
| 10/01/1998 | DE19712838A1 Method of manufacturing ball joint between shoe and piston of reciprocating engine |
| 09/29/1998 | US5813372 Axial piston rotary engine |
| 09/24/1998 | WO1998041734A1 Cam engine |
| 09/23/1998 | EP0866223A1 Swash plate type hydraulic rotating machine and method of manufacturing casing for same |
| 09/15/1998 | US5806404 Rotary piston driving mechanism |
| 09/11/1998 | WO1998039556A1 Sakharnov piston engine |
| 09/11/1998 | CA2289223A1 Sakharnov piston engine |
| 09/09/1998 | EP0863312A2 Cylinder sleeve assembly |
| 09/09/1998 | EP0862684A1 Wobble plate engine |
| 09/08/1998 | US5802931 Axle driving apparatus |
| 09/01/1998 | US5799629 Adiabatic, two-stroke cycle engine having external piston rod alignment |
| 09/01/1998 | US5799562 Regenerative braking method and apparatus therefor |
| 08/27/1998 | WO1998037308A1 Axial piston machine with rpm-dependent pressure acting against the cylinder drum |
| 08/20/1998 | WO1998036156A1 Hydrostatic machine piston |
| 08/20/1998 | DE19706075A1 Kolben für eine hydrostatische Maschine Piston for a hydrostatic machine |
| 08/18/1998 | US5794515 Swashplate control system for an axial piston pump |
| 08/12/1998 | EP0767864B1 Axial piston engine with a cooling circuit for the cylinders and pistons |
| 07/30/1998 | WO1998032959A1 Rotary-linear power device |
| 07/28/1998 | US5784949 In a hydraulic unit |
| 07/24/1998 | CA2195883A1 Internal combustion engine with rotating and reciprocating pistons |
| 07/23/1998 | DE19706263C1 Axial piston machine |
| 07/15/1998 | CN1187860A Axial piston machines |
| 07/01/1998 | EP0851121A1 Hydraulic transformer with two axial piston machines with single commen swash plate |
| 07/01/1998 | EP0850350A1 Piston driven axial cylinder engine |