| Patents for F01B 9 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups (2,571) |
|---|
| 12/12/1991 | WO1991019087A1 Piston-connecting rod assembly |
| 12/04/1991 | CN1015017B Reciprocating piston engine without crank shaft and connecting rod |
| 11/28/1991 | DE4003338A1 Rotary reciprocating piston engine - has end housing covers rigidly connected each other and able to pivot around rotor shaft |
| 11/23/1991 | WO1991018188A1 Rotary machine |
| 11/23/1991 | CA2083517A1 Rotary machine |
| 11/20/1991 | CN2089072U Cylinder piston mechanism capable of alternativelly reciprocating action and stop |
| 11/06/1991 | EP0455258A1 Method for operating a pneumatic motor and device for working the method |
| 11/06/1991 | CN1055981A Three-stroke engine with mutually scavenging three cylinders |
| 11/05/1991 | WO1991017374A2 Motion translation device of scotch yoke type |
| 11/05/1991 | WO1991017344A1 Process for running a pneumatic motor and device for implementing the process |
| 11/05/1991 | US5062394 Mechanism for converting reciprocatory motion into rotary motion in an engine |
| 11/05/1991 | CA2082045A1 Motion translation device of scotch yoke type |
| 11/05/1991 | CA2075630A1 Method of and means for driving a pneumatic engine |
| 10/29/1991 | US5060603 Internal combustion engine crankdisc and method of making same |
| 10/17/1991 | DE4110945A1 Contactless double piston of reduced size - is formed from part with bowl-shaped pistons with very thin bases and which taper into thin shafts |
| 10/15/1991 | US5056475 Motion conversion mechanism for converting between rotating and reciprocating motion and an internal combustion engine using the same mechanism |
| 09/18/1991 | EP0446331A1 Piston pump and piston pump and motor assembly. |
| 09/12/1991 | DE4106828A1 Piston engine with output shaft driven by inclined disc - which is connected to piston by connecting rods with ball joints |
| 09/05/1991 | WO1991013244A1 Interconnecting rotary and reciprocating motion |
| 08/28/1991 | EP0314773B1 Driving or working engine, in particular an internal combustion engine |
| 08/22/1991 | WO1991012420A1 System for achieving a four-stroke cycle with a single rotation of the crankshaft in an internal combustion engine |
| 08/20/1991 | US5040502 Crankless internal combustion engine |
| 08/08/1991 | DE4013034A1 Crank drive with planetary pinions - has pinions in bearings in eccentric discs forming units with crank pins |
| 07/31/1991 | CN1013395B Reciprocatory internal combustion engines |
| 07/24/1991 | WO1991011596A1 Unsymmetrical free piston engine |
| 07/23/1991 | WO1991010848A1 Crank mechanism |
| 07/23/1991 | CA2073457A1 Crank mechanism |
| 07/18/1991 | DE4000742A1 Rotary-stroke piston motor - has star-shaped element and uses movable guide track for element |
| 07/16/1991 | US5031470 Device for converting linear reciprocating motion to rotary motion |
| 07/10/1991 | EP0325584B1 A fluid motor |
| 07/10/1991 | CN1052925A Double-cylinder internal combustion engine with combined crank with slider |
| 06/05/1991 | EP0429918A1 Sliding frame for a crank for a sliding mechanism for an internal combustion engine |
| 05/29/1991 | WO1991008377A1 Internal combustion engines |
| 05/23/1991 | DE4003337C1 Rotary piston IC engine - has injection nozzles pivoting in housing wall inlets and directed toward piston surface |
| 05/22/1991 | EP0422082A4 Radial cylinder machine |
| 05/16/1991 | DE4034808A1 IC engine crank drive - has axial guides at connecting rod ends, allowing oblique connecting rod position |
| 05/15/1991 | EP0277123B1 Rotary/linear convertor |
| 05/14/1991 | CA1284063C Adjustable axial piston engine |
| 05/08/1991 | CN2076608U Internal combustion engine of rectangular piston reciprocating bidirection action crank round slide block type |
| 05/02/1991 | DE4003573A1 Rotary engine with cylindrical housing - has pistons in rotor joined to slide block by connecting rod |
| 05/02/1991 | DE4003572A1 Rotary stroke piston engine - incorporates connecting chamber to minimise harmful emissions |
| 05/02/1991 | DE4003571A1 Rotary stroke piston engine - incorporates housing wall made up of displaceable segments |
| 04/18/1991 | WO1991005164A1 Piston pump and piston pump and motor assembly |
| 04/18/1991 | DE3645103C2 Two-stroke Diesel engine with opposed floating pistons |
| 04/17/1991 | EP0422082A1 Radial cylinder machine. |
| 04/02/1991 | US5004404 Variable positive fluid displacement apparatus with movable chambers |
| 03/07/1991 | WO1991002911A1 Reciprocating gear, in particular for reciprocating piston engines |
| 03/06/1991 | CN2072593U Flat-moving plate type reciprocating piston engine |
| 02/28/1991 | DE3927593A1 Hubgetriebe, insbesondere fuer hubkolbenmaschinen Stroke mechanism, especially for reciprocating engines |
| 02/13/1991 | CN1049215A Step type rotary piston engine |
| 01/17/1991 | DE3922986A1 Combustion engine with piston-rod-coupled linear generators - has opposed pistons and rods on which compact permanent magnets excite induction windings during reciprocating movements |
| 01/09/1991 | CN2069024U Reciprocating engien |
| 12/27/1990 | EP0309508B1 Crank mechanism |
| 12/25/1990 | US4979428 Reciprocating air compressor with improved drive linkage |
| 12/20/1990 | DE3940945A1 Engine assembly for motor vehicle - consists of several engines mounted in line with crankshafts connected by clutches |
| 12/18/1990 | US4977864 Diesel engine |
| 12/05/1990 | CN2066906U Double crank three cylinder compressor |
| 12/04/1990 | US4974496 A hydrocyclic motor |
| 11/29/1990 | WO1990014501A1 Multi-cylinder positive displacement machines |
| 11/28/1990 | EP0398972A1 Internal combustion engine |
| 11/21/1990 | CN1047136A Device for converting linear reciprocating motion to rotary motion |
| 11/14/1990 | EP0397631A2 A device for converting linear reciprocating motion to rotary motion |
| 11/07/1990 | CN1046785A Crank connecting-rod mechanism of piston engine |
| 10/30/1990 | US4966067 Involute cam actuator with piston drive |
| 10/30/1990 | US4966043 Crank drive |
| 10/18/1990 | WO1990012202A1 Reciprocating engine having two crank mechanisms |
| 10/10/1990 | EP0390882A1 Reciprocating piston engine. |
| 10/05/1990 | CA2012455A1 Dual action equalizing apparatus |
| 09/25/1990 | CA1274476A1 Rotary internal combustion engine |
| 09/25/1990 | CA1274433A1 Self-sealing piston and method |
| 09/25/1990 | CA1274432A1 Self-sealing piston for internal combustion |
| 09/18/1990 | US4957069 Driving or working engine, in particular an internal combustion engine |
| 08/23/1990 | DE3904716A1 Piston compressor and/or internal-combustion piston engine without a crankshaft, the piston being driven by an eccentric |
| 08/08/1990 | EP0381034A1 Variable positive fluid displacement apparatus with movable chambers |
| 08/03/1990 | CA2004785A1 Variable positive fluid displacement apparatus with movable chambers |
| 08/02/1990 | DE4002782A1 Piston engine with rotary inlet and outlet valves - makes use of control tube rotatable in bush |
| 07/18/1990 | CN1043978A Even cylinder straight axle reciprocating piston internal-combustion engine |
| 07/17/1990 | US4941396 Reciprocating double-ended piston |
| 07/11/1990 | CN1043769A Reciprocating piston engine without crank shaft and connecting rod |
| 07/03/1990 | CA1271054A1 Rotary/linear convertor |
| 06/19/1990 | US4934344 Modified four stroke cycle and mechanism |
| 06/14/1990 | WO1990006426A1 Positive displacement fluid machines |
| 06/12/1990 | US4932373 Motion converting mechanism |
| 05/30/1990 | CN1042586A Double-piston compressor without crankshaft |
| 05/23/1990 | EP0368955A1 Motion conversion mechanism for use between rotating motions and reciprocating motions, and internal combustion engine using the same mechanism. |
| 05/23/1990 | EP0368923A1 Cross-shaped crank mechanism |
| 05/16/1990 | CN2057217U Reciprocating piston rotary engine |
| 05/15/1990 | US4924824 Two stroke engines |
| 04/10/1990 | US4915019 Mechanism for transforming the reciprocal movement of a piston into a circular movement of a shaft |
| 04/05/1990 | WO1990003505A1 Internal combustion engine |
| 04/05/1990 | DE3833017A1 Reciprocating piston engine |
| 04/05/1990 | DE3832134A1 Utilisation of energy from the cylinder head walls of axial flow rotary engines with partially shut-off fuel feed |
| 04/03/1990 | US4912996 Motion converting means |
| 03/22/1990 | WO1990002868A1 Movable set: thermal engines, piston machines |
| 03/22/1990 | WO1990002867A1 Reciprocating piston engine |
| 03/13/1990 | US4907950 Variable positive fluid displacement system |
| 03/13/1990 | US4907548 Pinion gear assembly for translating reciprocating movements of the pistons in the cylinders of an internal combustion engine into the rotating movement of a shaft |
| 03/07/1990 | EP0356990A2 Variable positive fluid displacement system |
| 02/28/1990 | CN2053667U Internal and external helical gear whole-meshing type oscillating cylinder |
| 02/28/1990 | CN1040077A Round cam reciprocatable piston combustion engine |