| Patents for F01L 33 - Rotary or oscillatory slide-valve gear or valve arrangements, specially adapted for machines or engines with variable fluid distribution (76) |
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| 09/18/2014 | WO2014141072A1 Closed-cycle plant |
| 08/03/2010 | US7765803 Crankless reciprocating steam engine |
| 12/31/2008 | WO2009000040A1 An engine and a valve for an engine |
| 09/16/2008 | CA2403178C Piston engine |
| 07/09/2008 | EP1488081A4 Reciprocating engine and inlet system therefor |
| 08/21/2007 | US7258057 Method and apparatus for the production of mechanical power from hydraulic energy |
| 04/26/2007 | DE102006006629B3 Controller for cylinder-piston unit inlet has inlet controlled via revolving slidevalve and pressure-controlled self-operating valve |
| 04/26/2007 | DE102006006628B3 Controller for cylinder-piston unit has outlet controlled via revolving slidevalve and pressure-controlled remotely-operated valve |
| 03/13/2007 | US7188474 Reciprocating engine and inlet system therefor |
| 02/07/2007 | CN1298976C Piston engine |
| 04/26/2006 | EP1399648B1 Valve timing mechanism for a rotary valve internal combustion engine |
| 02/07/2006 | US6994067 Valve timing mechanism for a rotary valve internal combustion engine |
| 08/09/2005 | US6926248 Piston engine |
| 07/20/2005 | CN1643238A Reciprocating engine and inlet system therefor |
| 05/05/2005 | US20050091980 Reciprocating engine and inlet system therefor |
| 01/27/2005 | US20050019161 Rotary fluid machine |
| 01/05/2005 | EP1399648A4 Valve timing mechanism for a rotary valve internal combustion engine |
| 12/22/2004 | EP1488081A1 Reciprocating engine and inlet system therefor |
| 08/26/2004 | US20040165798 Eccentric bearing for a poppet drive system |
| 07/29/2004 | US20040144361 Valve timing mechanism for a rotary valve internal combustion engine |
| 06/16/2004 | EP1428977A1 Rotary fluid machine |
| 03/24/2004 | EP1399648A1 Valve timing mechanism for a rotary valve internal combustion engine |
| 10/09/2003 | WO2003083270A1 Reciprocating engine and inlet system therefor |
| 10/09/2003 | CA2478843A1 Reciprocating engine and inlet system therefor |
| 06/12/2003 | US20030106506 Piston engine |
| 05/14/2003 | CN1418285A Piston engine |
| 04/03/2003 | WO2003027439A1 Rotary fluid machine |
| 12/05/2002 | WO2002097244A1 Valve timing mechanism for a rotary valve internal combustion engine |
| 11/06/2002 | CN1378616A Anti-back rotation overrunning clutch |
| 09/24/2002 | US6453793 Sprag motor |
| 07/17/2002 | EP1222368A1 Anti-backlash sprag |
| 09/20/2001 | WO2001069063A1 Piston engine |
| 09/19/2001 | EP1134381A1 Piston machine |
| 06/27/2001 | EP0799380B1 Waterpower machine |
| 04/26/2001 | WO2001029378A1 Anti-backlash sprag |
| 04/26/2001 | CA2388368A1 Anti-backlash sprag |
| 07/07/1998 | US5775199 Rotary valve and directional valve combination |
| 06/16/1998 | US5765375 Waterpower machine |
| 10/08/1997 | EP0799380A1 Waterpower machine |
| 07/30/1997 | EP0786583A2 Rotary valve and directional valve combination |
| 06/27/1996 | WO1996019665A1 Waterpower machine |
| 12/30/1992 | EP0520286A2 Radial piston pump |
| 05/05/1992 | US5109666 Solid fuel combustion device and a compressor |
| 04/23/1992 | DE4115487C1 Hydraulic pressure amplification system - incorporates motor rotary valve and pressure amplifying cylinder |
| 01/29/1991 | US4987743 Cryogenic refrigerators |
| 01/24/1991 | DE4022379A1 Control of pressure transmitter for pump - involves use of piston subject to alternating pump pressures |
| 08/02/1990 | DE4002782A1 Piston engine with rotary inlet and outlet valves - makes use of control tube rotatable in bush |
| 01/10/1990 | EP0350290A2 Cryogenic refrigerators |
| 10/31/1989 | US4876850 Combustion engine for solid block fuel |
| 03/07/1989 | US4809503 Solid fuel bar combustion device and a compressor |
| 03/02/1988 | EP0257122A1 Fluid motor |
| 11/10/1987 | US4704946 Fluid motor with rotary output |
| 12/23/1986 | US4630524 Control valve for pile driver and method |
| 05/07/1985 | CA1186592A1 Hydraulic reciprocating device |
| 04/23/1985 | US4512417 For a downhole drill |
| 05/31/1983 | US4385869 Reciprocation pump |
| 04/06/1983 | EP0075618A1 Fluid pressure circuit control arrangement |
| 02/15/1983 | US4373874 Fluid actuated pump system |
| 08/10/1982 | US4343225 Fluid actuator |
| 08/03/1982 | US4342255 Oscillator actuated hydraulic impulse device |
| 04/21/1982 | EP0049749A1 Rotary slide valve, particularly for the reversing of pneumatic piston motors |
| 01/19/1982 | US4311084 Pneumatic engine |
| 09/01/1981 | US4286500 Rotary control valve for expansion fluid driven engines |
| 01/15/1980 | US4183285 Rotary control valve for expansion fluid engines |
| 08/29/1978 | US4110058 Vacuum-operated liquid pump |
| 02/21/1978 | US4074611 Fluid pressure actuator for producing rotational motion |
| 07/19/1977 | US4036016 Vacuum-operated reciprocating engine |
| 06/07/1977 | US4028014 Reversing means for double-acting fluid pump |
| 12/28/1976 | US3999896 Continuously operating piston pump |
| 10/26/1976 | US3987633 Pressurized gas operated engine |
| 08/31/1976 | US3977303 Engines and compressors |
| 08/24/1976 | US3976401 Pump for abrasive slurries and the like |
| 06/29/1976 | US3965801 Straight line abrading tool |
| 06/29/1976 | US3965800 Water powered drive for automatic controllers |
| 02/17/1976 | US3938426 Water powered drive for automatic controllers |
| 02/10/1976 | US3937599 Pumping system using solar energy |