Patents
Patents for F01C - Rotary-piston or oscillating-piston machines or engines (35)
10/2008
10/28/2008CA2321636C Rotary-piston machine
12/2007
12/06/2007US20070280844 Rotary Machine and Internal Combustion Engine
07/2007
07/04/2007EP1802848A1 Rotary machine and internal combustion engine
06/2007
06/14/2007WO2007065976A1 Pump or motor
12/2005
12/29/2005WO2005124105A1 Rotary machine and internal combustion engine
05/2005
05/06/2005WO2005017318A3 A rotary machine and a method of manufacturing the same
02/2005
02/24/2005WO2005017318A2 A rotary machine and a method of manufacturing the same
07/2004
07/21/2004EP1056929B1 Rotary-piston machine
07/2003
07/02/2003CN1113152C Rotary-piston machine
08/2001
08/14/2001US6273694 Rotary-piston machine
04/2001
04/18/2001CN1292060A Rotary-piston machine
12/2000
12/26/2000US6164906 Regulating valve for engines operated by a medium under pressure
12/06/2000EP1056929A1 Rotary-piston machine
09/1999
09/02/1999WO1999043926A1 Rotary-piston machine
05/1999
05/06/1999EP0912818A1 Regulating valve for engines operated by a medium under pressure
01/1998
01/22/1998WO1998002642A1 Regulating valve for engines operated by a medium under pressure
01/22/1998CA2261047A1 Regulating valve for engines operated by a medium under pressure
10/1992
10/28/1992CN1018855B Power unit control method and power unit control system
06/1992
06/02/1992CA1302377C Power conversion machine having pistons which are moved in a turning motion in a spherical housing
06/1991
06/05/1991CN1012750B Power coversion machine having pistons which are moved in turning movement in spherical housing
01/1991
01/09/1991EP0293413B1 Power conversion machine having pistons which are moved in a turning movement in a spherical housing
07/1990
07/03/1990US4938025 Power conversion machine having pistons which are moved in a turning movement in a spherical housing
06/1990
06/20/1990CN1043193A Power unit control method and power unit control system
02/1990
02/01/1990DE3825481A1 Rotationskolbenmaschine Rotary piston engine
12/1989
12/13/1989CN1037946A Power conversion machine having pistons which are moved in turning movement in spherical housing
11/1989
11/08/1989CN1005742B Rotary fluid pressure device having free-wheeling capability
02/1989
02/23/1989DE3726800A1 Fluegelzellenmaschine Fluegelzellenmaschine
12/1988
12/07/1988EP0293413A1 Power conversion machine having pistons which are moved in a turning movement in a spherical housing.
06/1988
06/02/1988WO1988003986A1 Power conversion machine having pistons which are moved in a turning movement in a spherical housing
01/1987
01/27/1987US4639203 Rotary fluid pressure device having free-wheeling capability
01/07/1987EP0207687A1 Rotary fluid pressure device having free-wheeling capability
12/1986
12/31/1986CN86103611A Rotary fluid pressure device having free-wheeling capability
01/1985
01/15/1985US4493622 Variable displacement motor
03/1979
03/27/1979CA1051266A1 Rotary fluid displacement device
02/1977
02/15/1977US4008018 Rotary fluid displacement device having improved porting