| Patents for F01B 9 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups (2,571) |
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| 12/29/1987 | US4715336 Four-stroke internal combustion piston engine |
| 12/29/1987 | US4715238 Starter device for internal combustion engines |
| 12/23/1987 | DE3719072A1 Sealing-ring arrangement |
| 12/17/1987 | DE3619539A1 Machine for generating mechanical power |
| 11/19/1987 | EP0245245A1 Orbital engine with radial cylinders |
| 11/10/1987 | US4704868 Apparatus for the expansion of pressurized, pulsating exhaust gases, more especially the exhaust gases of an internal combustion engine |
| 11/04/1987 | CN87102539A Reciprocatory internal combustion engines |
| 11/03/1987 | US4703682 Varible displacement piston pump or motor |
| 10/22/1987 | DE3623121A1 Crank gear in-line design |
| 10/15/1987 | DE3624753A1 Device on a crank drive inserted in a crank case |
| 10/14/1987 | EP0241243A2 Reciprocatory internal combustion engines |
| 10/06/1987 | US4697552 Modular internal combustion engine |
| 09/10/1987 | DE3607468A1 Machine for generating mechanical power |
| 09/10/1987 | DE3607422A1 Mechanism |
| 09/10/1987 | DE3607421A1 Double-acting two-stroke internal combustion engine |
| 09/08/1987 | US4691515 Hot gas engine operating in accordance with the stirling principle |
| 09/02/1987 | EP0233905A1 Mechanism for transforming the alternating motion of a piston into a circular motion of a shaft. |
| 09/01/1987 | US4690038 Hydraulically actuated piston machine with bearing for connecting piston to piston rod |
| 08/26/1987 | CN86107526A Rotary/linear convertor |
| 08/11/1987 | US4685342 Device for converting linear motion to rotary motion or vice versa |
| 08/10/1987 | EP0185056A4 Rotary hydraulic engine |
| 08/04/1987 | US4683805 Rotary actuator having integral piston assembly with floating rack |
| 07/21/1987 | CA1224420A1 Rotary engine |
| 07/16/1987 | DE3600657A1 Opposing cylinder two-stroke internal combustion engine |
| 07/14/1987 | US4679535 Dual action geneva cam and rotary internal combustion engine and pump utilizing same |
| 07/14/1987 | CA1224157A1 Scotch yoke engine with variable stroke and compression ratio |
| 07/01/1987 | EP0227613A2 Propulsor assembly with centrifugal mass providing a thrust reaction |
| 06/19/1987 | DE3621131A1 Piston engine |
| 06/03/1987 | CN86205979U Reciprocating piston type internal combustion engine with straight-shaft and variable-cylinders |
| 05/21/1987 | WO1987003042A1 Orbital engine with radial cylinders |
| 05/21/1987 | WO1987003039A1 Two stroke diesel engine having complex piston |
| 05/21/1987 | DE3607234A1 Double eccentric drive for the conversion of a rectilinear reciprocating motion into a uniform rotary motion and vice versa |
| 05/21/1987 | DE3538375A1 Efficiency improvement between piston and crankshaft |
| 05/07/1987 | DE3538532A1 4-cylinder power unit without connecting rods |
| 04/23/1987 | WO1987002412A1 Rotary/linear convertor |
| 04/21/1987 | US4658768 Engine |
| 04/15/1987 | EP0217949A1 Reciprocating piston machine |
| 03/31/1987 | US4653438 Rotary engine |
| 03/25/1987 | EP0215194A1 Rotary internal combustion engine |
| 03/19/1987 | DE3531862A1 Reciprocating piston internal combustion engine |
| 03/18/1987 | CN85106653A Rotary piston engine |
| 03/11/1987 | EP0213230A1 Modular internal-combustion engine |
| 03/05/1987 | DE3619488A1 Straight sliding crank mechanism |
| 03/04/1987 | EP0212343A1 Variable volume apparatus |
| 02/26/1987 | WO1987001167A1 Mechanism for transforming the alternating motion of a piston into a circular motion of a shaft |
| 02/26/1987 | DE3600194A1 Internal combustion engine with self-ignition |
| 02/18/1987 | CN86105124A Piston arrangement |
| 02/05/1987 | DE3606281A1 90-degree V-engine crank mechanism |
| 02/04/1987 | EP0210262A1 Axial shaft piston engine |
| 01/29/1987 | DE3628709A1 Crank mechanism with free piston |
| 01/29/1987 | DE3526478A1 Roller-chain and crank mechanism |
| 01/13/1987 | CA1216563A1 Fluid motors |
| 01/08/1987 | DE3523785A1 Device for the control and for the drive or output of linear and free piston engines |
| 12/30/1986 | US4632017 Engine |
| 12/30/1986 | EP0205462A1 Dynamic compression internal combustion engine with yoke having an offset arcuate slot |
| 12/09/1986 | CA1214995A1 Machine having integral piston and cylinder wall sections |
| 12/03/1986 | EP0203395A1 Device for converting linear motion to rotary motion or vice versa |
| 12/02/1986 | US4625685 Machine with double acting box piston |
| 11/19/1986 | CN86103387A Device for converting linear motion to rotary or vice versa |
| 11/04/1986 | USH166 Dual area tangent piston |
| 10/23/1986 | WO1986006134A1 Reciprocating piston machine |
| 10/14/1986 | US4616604 Stator-Rotor piston internal combustion engine |
| 09/12/1986 | WO1986005232A1 Internal combustion engine |
| 09/03/1986 | EP0193183A1 Four-shoke internal-combustion engine |
| 09/02/1986 | US4608951 Reciprocating piston engine |
| 08/14/1986 | WO1986004637A1 Axial shaft piston engine |
| 08/13/1986 | CN85200243U Transmission unit without connecting rod for engine & compression pump |
| 07/30/1986 | CN85102435A One stroke motor |
| 07/23/1986 | EP0187930A2 Multiple cylinder internal-combustion engine |
| 07/08/1986 | US4598672 Apparatus for stabilizing the position of a yoke in an internal combustion engine |
| 07/08/1986 | US4598628 Rotary hydraulic engine having oppositely disposed pistons in a scotch yoke assembly |
| 07/08/1986 | US4598627 Fluid motors |
| 07/03/1986 | WO1986003806A1 Dynamic compression internal combustion engine with yoke having an offset arcuate slot |
| 06/25/1986 | EP0185056A1 Rotary hydraulic engine |
| 06/11/1986 | EP0184042A2 Crank mechanism of the internal combustion piston engine with variable crankthrow |
| 06/11/1986 | EP0183819A1 Apparatus for stabilizing the position of a yoke in an internal combustion engine |
| 06/04/1986 | EP0183258A2 Free piston engine having a hydraulic power transmission mechanism |
| 06/04/1986 | EP0182785A1 Swing throw crank structure |
| 06/03/1986 | US4592309 Internal combustion engine |
| 05/20/1986 | US4589257 Method and apparatus for extracting heat and mechanical energy from a pressured gas |
| 05/06/1986 | US4586881 Machine having integral piston and cylinder wall sections |
| 04/29/1986 | US4584972 Dynamic compression internal combustion engine with yoke having an offset arcuate slot |
| 04/09/1986 | EP0177214A2 Compact internal combustion engines |
| 02/26/1986 | EP0172237A1 Rotary engine |
| 02/11/1986 | CA1200479A1 High pressure helium pump for liquid or supercritical gas |
| 01/03/1986 | WO1986000114A1 Swing throw crank structure |
| 12/31/1985 | US4561256 External combustion engine |
| 12/27/1985 | EP0090814B1 Piston machine with cylindrical working chamber or chambers |
| 12/24/1985 | US4559838 Scotch yoke piston and crankshaft connection with floating crank pin |
| 12/24/1985 | US4559786 High pressure helium pump for liquid or supercritical gas |
| 12/19/1985 | WO1985005655A1 Apparatus for stabilizing the position of a yoke in an internal combustion engine |
| 12/17/1985 | US4558671 Supercharged engine |
| 12/05/1985 | WO1985005402A1 Rotary hydraulic engine |
| 12/03/1985 | US4555903 Internal combustion turbine engine |
| 11/26/1985 | CA1197303A1 Method and apparatus for controlling fuel injection timing in a compression ignition engine |
| 11/19/1985 | US4553506 Engine with rotating cylinder wall |
| 11/07/1985 | WO1985004929A1 Motor |
| 10/08/1985 | US4545336 Engine with roller and cam drive from piston to output shaft |
| 10/08/1985 | US4545288 Quarter turn actuators |
| 10/02/1985 | EP0156466A1 Compact crank drive mechanism |