F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for

More topics under "F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for" (83,536)
F15B 1 - Installations or systems with accumulators; Supply reservoir or sump assemblies (6,474)
F15B 11 - Servomotor systems without provision for follow-up action (16,384)
F15B 13 - Details of servomotor systems (18,792)
F15B 15 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith (21,171)
F15B 17 - Combinations of telemotor and servomotor systems (35)
F15B 18 - Parallel arrangements of independent servomotor systems (157)
F15B 19 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere (1,602)
F15B 20 - Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems (2,348)
F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959)
F15B 3 - Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids (1,558)
F15B 5 - Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities (494)
F15B 7 - Fluid-pressure actuator systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors (1,700)
F15B 9 - Servomotors with follow-up action, i.e. in which the position of the actuated member conforms with that of the controlling member (1,862)

Patents for F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for (92)
02/2014
02/18/2014	CA2589254C Arrangement in connection with an oscillator cylinder
01/2013
01/02/2013	CN101331326B Pressure medium powered rotary apparatus unit and system
07/2012
07/10/2012	US8215227 Detecting of faults in a valve system and a fault tolerant control
02/2012
02/21/2012	CA2611644C Hydraulic system for a power tong
11/2011
11/22/2011	CA2579298C A pneumatic system with one or more piston-cylinder arrangements
10/2011
10/18/2011	US8037786 Hydraulic circuit device
05/2010
05/26/2010	CN1989303B Apparatus and method for controlling work vehicle
03/2010
03/23/2010	US7681486 Arrangement in connection with an oscillator cylinder
02/2010
02/11/2010	US20100031647 Hydraulic Circuit Device
10/2009
10/14/2009	CN100549433C A pneumatic system with one or more piston-cylinder arrangements
05/2009
05/13/2009	CN100486851C Hydraulic system and work machine comprising such a system
05/07/2009	US20090114284 Detecting of faults in a valve system and a fault tolerant control
03/2009
03/24/2009	US7506507 Arrangement and a method for controlling a work vehicle
01/2009
01/20/2009	US7478648 Hydraulic pressure accumulator
12/2008
12/24/2008	CN101331326A Pressure medium powered rotary apparatus unit and system
12/16/2008	US7464545 Hydraulic system and work machine comprising such a system
08/2008
08/20/2008	EP1957804A1 Pressure medium powered rotary apparatus unit and system
05/2008
05/28/2008	EP1924774A1 Detecting of faults in a valve system and a fault tolerant control
04/2008
04/30/2008	EP1729934B1 Hydraulic pressure accumulator
04/09/2008	EP1907662A1 Hydraulic circuit device
01/2008
01/17/2008	US20080011156 Arrangement in Connection with an Oscillator Cylinder
12/2007
12/26/2007	CN101094994A Arrangement in connection with an oscillator cylinder
12/13/2007	US20070283802 Pneumatic System with One or More Piston-Cylinder Arrangements
12/13/2007	US20070283688 Arrangement And A Method For Controlling A Work Vehicle
11/2007
11/07/2007	EP1851446A1 Arrangement in connection with an oscillator cylinder
10/2007
10/11/2007	US20070234718 Hydraulic System and Work Machine Comprising Such a System
10/04/2007	DE19681624B4 Druckmittelsystem, insbesondere zum Anwenden und Steuern einer Hochhebeauslegereinheit, in Verbindung mit einer Arbeitsmaschine Pressure fluid system, in particular for applying and controlling a high hoisting boom assembly, in connection with a work machine
10/03/2007	CN101048599A A pneumatic system with one or more piston-cylinder arrangements
08/2007
08/30/2007	US20070199724 Hydraulic Pressure Accumulator
07/2007
07/11/2007	EP1805424A1 A pneumatic system with one or more piston-cylinder arrangements
06/2007
06/27/2007	CN1989303A Apparatus and method for controlling work vehicle
06/27/2007	CN1989039A Hydraulic system and work machine comprising such a system
05/2007
05/09/2007	EP1781863A1 An arrangement and a method for controlling a work vehicle
04/2007
04/19/2007	WO2007042612A1 Pressure medium powered rotary apparatus unit and system
04/18/2007	EP1773644A1 Hydraulic system and work machine comprising such a system
04/05/2007	WO2007014980A3 Device with a flexible pressurisable container inside moving tubes for achieving working movement
03/2007
03/15/2007	WO2007028863A1 Detecting of faults in a valve system and a fault tolerant control
02/2007
02/08/2007	WO2007014980A2 Device with a flexible pressurisable container inside moving tubes for achieving working movement
01/2007
01/02/2007	US7156183 Electric hydraulic power unit and method of using same
12/2006
12/21/2006	WO2006135244A1 Hydraulic circuit device
12/13/2006	EP1729934A1 Hydraulic pressure accumulator
09/2006
09/21/2006	WO2006097580A1 A wing turning mechanism and a plough
06/2006
06/01/2006	WO2006056642A1 Arrangement in connection with an oscillator cylinder
06/01/2006	CA2589254A1 Arrangement in connection with an oscillator cylinder
05/2006
05/18/2006	US20060102357 Electric hydraulic power unit and method of using same
04/2006
04/06/2006	WO2006036118A1 A pneumatic system with one or more piston-cylinder arrangements
04/04/2006	CA2319183C A method for controlling the motion velocity of a hydraulically driven machine, a drive system for a hydraulically driven machine
02/2006
02/02/2006	WO2006011836A1 Hydraulic system and work machine comprising such a system
02/02/2006	WO2006011835A1 An arrangement and a method for controlling a work vehicle
01/2006
01/26/2006	US20060018765 Arrangement and a method for controlling a work vehicle
09/2005
09/22/2005	WO2005087444A1 Hydraulic pressure accumulator
10/2003
10/29/2003	EP1163453B1 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes
06/2003
06/03/2003	US6571553 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes
05/2003
05/02/2003	EP1049878B1 A method for controlling the motion velocity of a hydraulically driven machine, a drive system for a hydraulically driven machine
07/2002
07/09/2002	US6415703 Method for controlling the motion velocity of a hydraulically driven machine, a drive system for a hydraulically driven machine
12/2001
12/19/2001	EP1163453A1 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes
11/2000
11/08/2000	EP1049878A1 A method for controlling the motion velocity of a hydraulically driven machine, a drive system for a hydraulically driven machine
09/2000
09/28/2000	WO2000057065A1 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes
09/28/2000	DE19913275A1 Hydraulische Steueranordnung zum Betreiben einer Winde im Fieren-, Hieven- und Mooring-Betrieb The hydraulic control arrangement for operating a winch in the easing, Hieven- and mooring mode
07/1999
07/29/1999	WO1999037928A1 A method for controlling the motion velocity of a hydraulically driven machine, a drive system for a hydraulically driven machine
05/1997
05/09/1997	WO1997016372A1 Method in a pressure medium system for employing and controlling a lifting boom unit particularly in connection with a work machine
10/1991
10/16/1991	EP0318533B1 Cylinder-piston arrangement actuated by a pressure medium
02/1991
02/12/1991	US4991493 Cylinder with two concentric pistons actuated by a pressure medium and extending to three times the length of the cylinder
10/1990
10/24/1990	EP0256113B1 Fluid-flow isolation and control apparatus
08/1990
08/28/1990	CA1273329A1 Fluid-flow isolation and control apparatus and method
07/1990
07/25/1990	CN1008934B Fluid flow isolation and control apparatus and method
05/1990
05/09/1990	EP0292473B1 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method
01/1990
01/30/1990	US4896582 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method
06/1989
06/07/1989	EP0318533A1 Cylinder-piston arrangement actuated by a pressure medium.
02/1989
02/22/1989	EP0255819B1 Flow medium cylinder with rapid resetting capability
12/1988
12/01/1988	WO1988009441A1 Cylinder-piston combination actuated by a pressure medium
11/1988
11/30/1988	EP0292473A1 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method.
02/1988
02/24/1988	EP0256114A1 Fluid pressure regulation and method
02/17/1988	EP0255819A1 Flow medium cylinder with rapid resetting capability.
09/1987
09/22/1987	US4694860 Fluid-flow isolation and control apparatus and method
09/02/1987	CN87102162A Fluid pressure regulation and method
09/02/1987	CN87101604A Fluid-flow isolation and control apparatus and method
08/1987
08/13/1987	WO1987004765A1 Fluid pressure regulation and method
08/13/1987	WO1987004745A1 Fluid-flow isolation and control apparatus and method
07/1987
07/16/1987	WO1987004220A1 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method
07/08/1987	CN86107539A Pressure reducing valve with hydraulic air-operated accumulator
09/1986
09/12/1986	WO1986005244A1 Flow medium cylinder with rapid resetting capability
12/1984
12/19/1984	EP0128881A2 Potentiometer device for determining the position of hydraulic pistons and the like
11/1984
11/20/1984	CA1178162A1 Low power charge system
09/1984
09/27/1984	WO1984003763A1 Potentiometer device for determining the position of hydraulic pistons and the like
01/1984
01/03/1984	CA1159747A1 Flow distribution system for pressure medium
02/1983
02/15/1983	CA1141186A1 Leverless pressure transducer
09/1981
09/22/1981	CA1109364A1 Integrated transmission-engine control
10/1980
10/28/1980	US4230019 Fluid arrangement
07/1979
07/17/1979	CA1058535A1 Hydraulic oil tank
07/1978
07/25/1978	US4102131 Integrated transmission-engine control
11/1976
11/09/1976	US3991122 Liquid compositions based on polyglycolethers having a high boiling point