Patents
Patents for 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)
07/2013
07/03/2013CN101612764B Hydraulic device for ground turning aerated brick cutter
06/2013
06/25/2013US8468931 Electro-mechanical control system for positioning fluid motors
06/20/2013WO2013089226A1 Actuator, actuator control method and program
06/20/2013US20130152575 Hydraulic driving apparatus for working machine
06/19/2013CN103168176A Hydraulic system for a construction machine
06/13/2013WO2013085416A1 Single-stage electrohydraulic amplifier with electrical feedback on consumption
06/12/2013CN103154532A Ultra high pressure pump
06/06/2013DE102011120082A1 Einstellvorrichtung, insbesondere für Kraftfahrzeuge Adjusting device, particularly for motor vehicles
06/05/2013EP2600010A1 Swirl flow control system for construction equipment and method of controlling the same
06/05/2013CN103133438A Adjustment device, in particular for motor vehicles
06/05/2013CN103132430A Walking driving hydraulic system of double-steel-wheel roller
05/2013
05/30/2013US20130133970 Electrically-Operated Hydraulic Actuator Unit and Hydraulic Four-Wheel-Drive Work Vehicle
05/09/2013US20130111889 Crawler Vehicle Drive Control System
05/02/2013US20130104728 Booster assembly for vehicle
05/01/2013EP2587072A1 Flow control system for a hydraulic pump of construction machinery
04/2013
04/25/2013WO2013056454A1 Method and device for controlling hydraulic cylinder, pumping system, and concrete pumping apparatus
04/25/2013US20130098236 Vacuum brake booster
04/18/2013WO2013053668A1 Two-stage servovalve and control stage suited to such a servovalve
04/18/2013DE102011115896A1 Vorrichtung und Verfahren zur Prozessregelung Apparatus and method for process control
04/17/2013CN103048994A Apparatus and method for process control
04/11/2013WO2013051741A1 Priority control system for construction machine
04/11/2013US20130087209 Steering control unit and electro-hydraulic steering load sense control
04/10/2013CN103038030A Apparatus, method and program for controlling elastic actuator drive mechanism
04/04/2013WO2013048283A1 Electrohydraulic amplifier with electrical feedback on consumption
04/03/2013CN103026076A Swirl flow control system for construction equipment and method of controlling the same
04/03/2013CN101523321B Low consumption pneumatic controller
03/2013
03/27/2013CN101802417B Actuator control system implementing adaptive flow control
03/07/2013US20130055706 Electro-hydraulic actuation group for an automotive servo-assisted mechanical transmission
03/07/2013US20130055705 Hydraulic drive system for construction machine
03/06/2013EP2564071A1 Control of a fluid pump assembly
03/06/2013CN101680462B Power boosting device
02/2013
02/28/2013US20130047598 Hydraulic Control Device for Work Vehicle
02/19/2013US8375843 Brake booster device with damping element
02/06/2013CN102918281A Flow control system for a hydraulic pump of construction machinery
02/05/2013US8365879 Brake actuating device of a vehicle
01/2013
01/24/2013US20130019744 Timing device for intermittent vacuum regulator
01/23/2013CN101865170B Follow-up reversing mechanism and follow-up reserving method
01/22/2013CA2692577C Method and apparatus for performing diagnostics in a control loop of a control valve
01/16/2013CN102878125A Closed-loop control system of hydraulic window opener
01/08/2013CA2692574C Method and apparatus for performing diagnostics in a control loop of a control valve
01/02/2013CN202645426U Push-and-pull hydraulic system for horizontal directional drilling machine
01/02/2013CN202641379U Engineering machinery and travel driving system thereof
01/02/2013CN102859203A Control of a fluid pump assembly
12/2012
12/27/2012US20120324878 Hydraulic Drive System And Diagnostic Control Strategy For Improved Operation
12/27/2012DE102009005998B4 Hydraulische Antriebsvorrichtung mit zwei Druckräumen und Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung mit zwei Druckräumen Hydraulic drive device with two pressure chambers and method for operating a hydraulic drive device with two pressure chambers
12/13/2012US20120312625 Hydraulic Power Steering System
12/12/2012EP2531734A1 Fluid-actuated actuating drive on a valve
12/12/2012CN202597295U Hydraulic circuit system with follow-up expansion cylinder used in radial well operation
12/12/2012CN202597294U Oil pipe control hydraulic system of radial well operation
12/12/2012CN102822536A Fluid-actuated actuating drive on valve
12/11/2012US8327650 Method and apparatus for controlling the cooling power of a cryogenic refrigerator delivered to a cryogen vessel
12/06/2012US20120304849 Vacuum booster for a vehicular brake
12/06/2012US20120304633 Intensifier of hydraulic power with rely with maintenance of the reached position and force
12/05/2012CN202579377U Hydraulic control system for aerator
12/05/2012CN202578490U Power head for long spiral drilling machine
11/2012
11/28/2012CN202558393U Cable coiling hydraulic system
11/28/2012CN202558391U Reeling device hydraulic control system for combine suction-type sewer scavenger
11/27/2012CA2695708C Extendable frame work vehicle
11/21/2012CN202545387U Opened type hydraulic system of small-earthwork-capacity concrete mixing transportation vehicle
11/15/2012US20120285318 Lifting Mechanism
11/07/2012CN202520677U Circulation rotary engine
11/07/2012CN101832305B Rudder blade shaft follow-up two degree-of-freedom spherical hydraulic motor
10/2012
10/30/2012US8301276 Control device for the position control of a hydraulic cylinder unit comprising a linearization unit
10/30/2012US8297178 Servobrake
10/18/2012WO2012102488A3 Hydraulic system for construction machine having electronic hydraulic pump
10/18/2012US20120260643 Velocity control for hydraulic control system
10/18/2012DE102011016830A1 Bremskraftverstärker mit stellungsabhängigem Druckausgleich Brake booster with stellungsabhängigem pressure compensation
10/10/2012CN102725540A Method for operating a hydraulic driving device and hydraulic driving device
10/10/2012CN101871420B Two freedom degree spherical hydraulic motor with fixed rudder blade shaft
10/10/2012CN101368643B Method for detecting fault of pneumatic operation control valve in a control loop
10/09/2012US8281705 Method for detecting the drive type of an actuator (II)
10/04/2012DE102011015713A1 Pneumatische Schaltkraftunterstützungseinrichtung Pneumatic control force assistance device
10/03/2012EP2505722A1 Control device for work machine on construction vehicle and control method
10/03/2012CN202466386U Hydraulic control device of pavement cutting machine
10/03/2012CN101605996B System and method for controlling actuator position
09/2012
09/27/2012WO2012126376A1 Hydraulic reciprocating servo control device
09/20/2012DE112010004146T5 Verfahren und gerät zum steuern einer pumpe Method and apparatus for controlling a pump
09/07/2012WO2012087048A3 Method for controlling hydraulic pump in excavator
08/2012
08/29/2012CN102652200A Control device for work machine on construction vehicle and control method
08/23/2012US20120211324 Vehicle fluid pressure control
08/08/2012CN202369906U Telescopic ironing and vibrating common-frequency hydraulic driving device
08/08/2012CN202369898U Hydraulic driving system of double-steel-wheel road roller
08/08/2012CN102628458A Hydraulic control system of aeration machine
08/08/2012CN102628457A Open type hydraulic system for small-volume concrete mixing and transporting truck
08/02/2012WO2012102488A2 Hydraulic system for construction machine having electronic hydraulic pump
07/2012
07/25/2012CN102606549A Hydraulic energy-saving system and hydraulic hoisting device
07/18/2012CN102597536A Method and apparatus for controlling a pump
07/11/2012CN102556154A Control device for a hydrostatic steering motor
07/05/2012DE102011112734A1 Industriemaschine und Steuerverfahren für diese Industrial machine and control method for this
07/04/2012CN101573527B Egr valve device
06/2012
06/28/2012WO2012087048A2 Method for controlling hydraulic pump in excavator
06/21/2012WO2012081197A1 Apparatus, method and program for controlling elastic actuator drive mechanism
06/20/2012CN101379301B Safety override circuit for pneumatic positioner and method of use thereof
06/13/2012EP2203791B1 Regulation structure for a hydraulic cylinder unit with cascade status regulator
06/07/2012WO2012074145A1 Hydraulic pump control system for construction machinery
06/05/2012US8191456 Method of driving an hydraulic actuator by means of a pressure controlled proportioning solenoid valve
05/2012
05/23/2012CN101694221B Signal sending device for mechanic-hydraulic servo mechanism
05/10/2012US20120111184 Valve Return Spring With Filter Support For A Pneumatic Brake Booster Assembly
05/01/2012US8166866 Pneumatic brake booster
04/2012
04/26/2012WO2012053672A1 Hydraulic system for a construction machine
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