Patents
Patents for F01L 27 - Distribution or expansion-valve gear peculiar to free-piston machines or engines and not provided for in groups (16)
12/2012
12/26/2012EP2536921A1 Method and device for correcting a pressure measurement of a flow of gas flowing in an aircraft engine
11/2012
11/28/2012CN102803659A Method and device for correcting a pressure measurement of a flow of gas flowing in an aircraft engine
08/2011
08/25/2011WO2011101579A1 Method and device for correcting a pressure measurement of a flow of gas flowing in an aircraft engine
08/25/2011CA2789261A1 Method and device for correcting a pressure measurement of a flow of gas flowing in an aircraft engine
02/2007
02/20/2007US7178447 Control valve and a method for a percussion device with a working cycle involving several coupling moments
12/1986
12/23/1986US4630524 Control valve for pile driver and method
06/1985
06/18/1985US4523511 Reciprocating fluid-operated actuator with deceleration control
03/1985
03/20/1985EP0134779A1 Control device for a pressurized-fluid operated motor
06/1980
06/17/1980US4207801 Hydraulic oscillatory devices
09/1979
09/18/1979CA1062585A1 Hydraulic oscillatory devices
04/1978
04/04/1978US4082032 Control of hydraulically powered equipment
07/1977
07/19/1977US4036108 Pressure fluid operated percussion tools
05/1977
05/03/1977US4020744 Control of hydraulically powered equipment
07/1976
07/20/1976US3969987 Hydroacoustic apparatus and valving mechanisms for use therein
07/20/1976US3969984 Hydroacoustic apparatus and valving mechanisms for use therein
05/1976
05/11/1976US3955478 Hydraulically powered percussion drill