Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for › F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
Patents for 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)
03/2014
03/27/2014US20140083092 Hydraulic circuit for construction equipment
03/27/2014DE102012109094A1 Regelventilvorrichtung für einen Hydraulikkreislauf sowie Verfahren zur Regelung des Förderdrucks einer variablen Ölpumpe Control valve apparatus for a hydraulic circuit and method for controlling the delivery pressure of a variable oil pump
03/27/2014DE102012018724A1 Control device for actuating and supplying hydraulic engine mountings in e.g. motor car, has computing unit detecting values of fluid pressure that is regulated in workspaces, where workspaces are formed above regulating devices
03/26/2014EP2711470A1 Work machine
03/26/2014CN203500188U Pneumatic time-delay device
03/26/2014CN203500187U Multipath servo valve integration control box
03/26/2014CN203500186U Electric control foundation-based force feedback type steering control device
03/26/2014CN203500185U Integrally-controlled intelligent energy-storage reset electro-hydraulic actuator
03/26/2014CN203500184U Hydraulic multi-pumping-source switching system of shield tunneling machine
03/26/2014CN203500183U Online intelligent oil-recharging device of electric transformer
03/26/2014CN203500164U Closed type hydraulic control system of engineering vehicle travelling mechanism
03/26/2014CN203500162U Single-rail hanging haulage motor pneumatic control system
03/26/2014CN203500155U Closed type hydraulic system of engineering vehicle travelling mechanism
03/26/2014CN203500149U Hydraulic system used for hole milling and clamping device of connecting rod
03/26/2014CN203500148U Small-oil-return-resistance hydraulic system for hydraulic test bench
03/26/2014CN203500146U Open type hydraulic control system of engineering vehicle travelling mechanism
03/26/2014CN203500138U Hydraulic control system for reciprocating test bed
03/26/2014CN203498888U Hydraulic control device capable of recovering boom potential energy of excavator
03/26/2014CN203497947U Monorail hoist hydraulic control system
03/26/2014CN103687768A Compressed air processing system and method for operating compressed air processing system
03/26/2014CN103676706A Pressure-based control system for an agricultural implement
03/26/2014CN103671366A Chrysanthemum-type vortex valve and liquid transfer method thereof
03/26/2014CN103671365A Energy recovery and reusing device
03/26/2014CN103671364A Steering electrohydraulic control system for remote control loading machine
03/26/2014CN103671363A Filling valve of vertical type injection molding machine
03/26/2014CN103671332A Method for actuating a hydraulic valve arrangement, and hydraulic valve arrangement
03/26/2014CN103671317A Crane for foundation pile construction and hydraulic system of crane
03/26/2014CN103671306A Hydraulic power device and potential energy converting and operating methods thereof
03/26/2014CN103671298A Large-slope excavator hydraulic oil tank
03/26/2014CN103671297A Hydraulic oil tank with oil return pipe orifice and filters
03/26/2014CN103671295A Closed energy storage hydraulic system
03/26/2014CN103670445A Monitoring system and method for wet-type concrete spraying machine in coal mine
03/26/2014CN103662874A Rotor type car dumper
03/26/2014CN103657775A Hydraulic double-roll crusher and hydraulic system thereof
03/26/2014CN101806358B Fluid pressure control apparatus
03/20/2014WO2014040347A1 Ultrasonic cleaning filter, hydraulic system and engineering machinery
03/20/2014DE102012023902B3 Verfahren zum Betrieb einer Hydraulikeinrichtung mit Pumpe und Servomotor sowie zugehörige Hydraulikeinrichtung Method for operating a hydraulic device with a pump and servo motor and associated hydraulic device
03/20/2014DE102012018342A1 Device for performing operation maintenance of hydraulic element, for e.g. hydraulic drive system, has detection unit for acquiring operating condition of hydraulic element based on detection of hydraulic pressure of hydraulic element
03/19/2014EP2708759A2 Compact air drying system with modular construction
03/19/2014EP2707604A1 Ventilation device for hydraulic loops
03/19/2014CN203488486U Electronic-hydraulic system of self-propelled turning machine
03/19/2014CN203488485U Throttling filtering structure
03/19/2014CN203488484U Crane and hydraulic system thereof
03/19/2014CN203488483U Hydraulic system used for closed loop position control
03/19/2014CN203488482U Breaker oil pump plunger oiling device
03/19/2014CN203488469U Anti-rolling gyro rotor rapid start and stop device
03/19/2014CN203488450U Hydraulic system for cotton topping machine
03/19/2014CN203488446U Protection structure for hydraulic oil tank liquid indicator
03/19/2014CN203484947U Oil feeder for vertical lathe hydraulic clamp
03/19/2014CN103649563A Method, apparatus, and computer-readable storage medium for controlling torque load of multiple variable displacement hydraulic pumps
03/19/2014CN103649562A Hydraulic systems utilizing combination open-and closed-loop pump systems
03/19/2014CN103649560A Hydraulic system for construction machinery
03/19/2014CN103648883A Railcar damping device
03/19/2014CN103644175A Hydraulic drive system of component transferring trolley of nuclear fusion device
03/19/2014CN103644174A Stroke control method, device and system for oil cylinders in series connection
03/19/2014CN103644173A Automatic hydraulic servo system loop flushing method and electromagnetic directional valve control power supply device
03/19/2014CN103644156A Hydraulic system of fully-automatic tobacco leaf harvester
03/19/2014CN103644155A Hydraulic actuator
03/19/2014CN102278338B Control system capable of preventing startup reversion, engineering machine and using method for control system
03/19/2014CN102165200B Hydraulic drive device for construction machine
03/19/2014CN102131684B Control system and method for braking a hydrostatic drive machine
03/13/2014DE102012017714A1 Geregelte Proportional-Dreiwegeventileinheit Regulated proportional three-way valve unit
03/13/2014DE102012017713A1 Fluidischer Stellantrieb Fluidic actuator
03/12/2014CN203479568U Rapid lifting device
03/12/2014CN203476926U Antifreezing agent adding device for well drilling pneumatic pipeline
03/12/2014CN203476925U Engineering machinery hydraulic oil tank with filtering function
03/12/2014CN203476924U Cooling structure of hydraulic oil of fluidic device of numerical control waterjet cutting machine
03/12/2014CN203476923U Recycling device for oil in hydraulic filter
03/12/2014CN203476922U Oil cooler with good heat radiation effect
03/12/2014CN203476921U Iron powder purification device for tooth gear drilling machine hydraulic system
03/12/2014CN203476920U Oil monitoring device for hydraulic oil cylinder of hydraulic equipment
03/12/2014CN203476919U Fluidic resistor simulation device of hydraulic torque converter
03/12/2014CN203476858U Power pump station for diesel engine
03/12/2014CN203476856U Engineering mechanical hydraulic oil tank with auxiliary oil tank cooling function
03/12/2014CN203474395U Scissor-type high-altitude working vehicle walking hydraulic system
03/12/2014CN103629196A Vehicle energy-saving device based on hydraulic drive system of engineering machinery
03/12/2014CN103629195A Motor cylinder linkage device capable of continuously and accurately controlling travel
03/12/2014CN103629194A Mechanical quick-operation type integrated electro-hydraulic actuator
03/12/2014CN103629193A Device and method for controlling multi-pump hydraulic system
03/12/2014CN103629192A Manual-automatic integrated hydraulic oil station
03/12/2014CN103629173A Prestress tension hydraulic system, prestress tension device and control method of prestress tension device
03/12/2014CN103629170A Engineering machine stabilized-pressure oil tank device
03/12/2014CN103629168A Hydraulic pressure supply device
03/12/2014CN103624116A Oil cylinder upper cavity buffer type oil path structure of hydraulic sheet metal bending machine
03/12/2014CN103623630A Full-automatic high-pressure back-flushing filtering station
03/12/2014CN102245911B Control device for hybrid construction machine
03/11/2014CA2690443C Drive control system for a vehicle and method
03/11/2014CA2561747C Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
03/06/2014WO2014036235A1 Hydraulic control system having swing motor energy recovery
03/06/2014WO2014036232A1 Hydraulic control system having over-pressure protection
03/06/2014WO2014036229A1 Hydraulic control system having swing motor energy recovery
03/06/2014WO2014034969A1 Hydraulic system for construction machinery
03/06/2014WO2014033496A1 Hydraulic valve assembly with electronic control of flow rate
03/06/2014WO2014032757A1 Hydraulic energy recovery system
03/06/2014WO2014032086A1 Fluid isolator
03/06/2014US20140060031 Hydraulic control system having swing energy recovery
03/06/2014US20140060025 Hydraulic control system having electronic flow limiting
03/06/2014US20140060024 Hydraulic control system having swing motor recovery
03/06/2014DE102012113137A1 Hydraulikdruck-Versorgungssystem eines Automatikgetriebes Hydraulic pressure supply system of an automatic
03/06/2014DE102012113113A1 Hydraulikdruckzuführsystem eines Automatikgetriebes Hydraulikdruckzuführsystem an automatic transmission
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