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)
12/2006
12/07/2006US20060272493 Spacer for a boost unit
12/07/2006DE19961801B4 Hydrauliksteuervorrichtung für ein Nutzfahrzeug An hydraulic control apparatus for a utility vehicle
12/06/2006CN1288353C Method and apparatus for multiple-input-multiple-output of a valve/actuator plant
12/05/2006US7143683 Hydraulic power steering apparatus
11/2006
11/29/2006CN1287095C Electric controlled hydraulic actuator with force feedback position detection
11/29/2006CN1286686C Cylinder pressure control apparatus
11/22/2006CN2839684Y 折弯机液压系统 Bending machine hydraulic system
11/16/2006WO2006121366A1 Drive for an automatic control device
11/16/2006WO2006060638A3 Hydraulic drive system
11/16/2006DE10209805B4 Elektronische Bohrungsdruckoptimierungseinrichtung Electronic bore pressure optimization device
11/15/2006EP1497575B1 Electropneumatic gearshift unit
11/14/2006US7134377 Vacuum brake booster
11/02/2006DE4221720B4 Hydraulische Druckvorrichtung Hydraulic pressure device
11/01/2006CN1854532A Electro-hydraulic system for fan driving and brake charging
11/01/2006CN1282537C Method for controlling hydraulic actuator and its micro-controller
10/2006
10/26/2006DE4431965B4 Schaltungsanordnung zur Ansteuerung der Hydraulikventile eines hydraulischen Systems Circuit arrangement for driving the hydraulic valves of a hydraulic system
10/25/2006EP1419421B1 Control method
10/19/2006US20060230918 Vehicle braking device
10/18/2006EP1711716A1 Hydraulic actuator control valve
10/05/2006DE102005015352A1 Hydraulic actuator for shifting control of motor vehicle transmission has pusher and follower pistons in casing with follower piston axially following pusher piston
10/04/2006EP1472461B1 Spool valve
10/04/2006CN1278045C Analog control circuit for fan driving and controlling method thereof
10/03/2006US7114429 Power steering assist apparatus and method of retrofitting
09/2006
09/21/2006US20060207420 Negative pressure booster
09/21/2006US20060207419 Apparatus and method for controlling elastic actuator
09/20/2006EP1420170B1 Device for controlling hydraulic pressure of construction machine
09/14/2006US20060202504 Hydraulic drive system for vehicle roofs
09/12/2006US7104179 Braking device, and method of manufacture
09/12/2006US7104053 Control method
09/08/2006WO2006092274A2 Hydraulic valve
09/06/2006EP1697641A1 Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor
08/2006
08/30/2006CN1272552C Hydraulic control cold starting neutral valve
08/24/2006US20060185509 Tie rod for booster and booster comprising such a tie rod
08/24/2006DE10019248B4 Ventilpositionsgeber mit Strom/Pneumatik-Wandler und Verfahren zum Steuern eines Ventilpositionsgebers Valve position transmitter with power / pneumatic converter and method for controlling a valve position transmitter
08/23/2006CN1821587A Air pressure cylinder for positioning control
08/17/2006WO2006086801A1 Actuation system with fluid transmission for interaction control and high force haptics and related techniques
08/15/2006US7089846 Negative pressure type booster device
08/10/2006WO2006082711A1 Fluid pressure unit and control method for the same
08/08/2006US7086321 Boosted brake having a feeler provided with a stud
08/03/2006US20060169129 Pneumatic booster with shifted valve seats
08/01/2006US7082869 Sensor arrangement for a vacuum brake booster and a vacuum brake booster provided with this sensor arrangement
07/2006
07/27/2006US20060162542 Booster and brake control device fitted with this booster
07/27/2006US20060162327 Regulating device for a hydraulic system
07/27/2006DE102006002701A1 Hydraulikdruckregelvorrichtung und Vorrichtung zur Ermittlung einer Betriebskennlinie Hydraulic pressure control device and device for determining an operating characteristic
07/26/2006CN1266390C 流量方向控制阀 Flow direction control valve
07/26/2006CN1266389C Oil hydraulic executor communicating and communication recovering device
07/18/2006US7077051 Self-boosting pneumatic booster using a pivoting key
07/18/2006US7077050 Pneumatic brake booster, particularly for a motor vehicle
07/11/2006US7076314 Precision positioning device and processing machine using the same
06/2006
06/29/2006DE4102465B4 Hydraulische Gerotor-Druckvorrichtung Hydraulic gerotor pressure device
06/29/2006DE10043451B4 Einteilige Proportionalregelung One-piece proportional control
06/28/2006EP1432913B1 Shaft coupling and shifting mechanism for pneumatic pump
06/27/2006US7066073 Vacuum brake booster for motor vehicles
06/22/2006WO2006063573A1 Control system for the remote control of functional elements
06/20/2006US7062832 High-speed driving method of pressure cylinder
06/08/2006CA2588290A1 Hydraulic drive system
06/01/2006WO2006036342A3 Reaction arrangement for brake booster
06/01/2006US20060112819 Vacuum-operated booster
06/01/2006DE10054251B4 Steuerventilgehäuse für einen Unterdruck-Bremskraftverstärker Control valve housing for a vacuum brake power booster
05/2006
05/30/2006US7051640 Pneumatic brake booster with reduced dead travel and braking system comprising such a booster
05/26/2006WO2006054001A1 Steering valve and module therefor
05/17/2006EP1656274A1 Hydraulic drive system used for the covers of vehicle openings
05/16/2006US7043907 Electro-hydraulic actuation system
05/11/2006DE102004051282B3 Drehschiebersteuerventil für eine hydraulische Lenkeinrichtung Rotary slide control valve for a hydraulic steering device
05/09/2006US7040217 Tie rod for a brake booster
04/2006
04/25/2006US7032498 Vacuum brake booster
04/25/2006US7032497 Vacuum brake booster
04/12/2006EP1644624A2 Control system regulating air flow to engine intake
04/11/2006US7025148 Vehicle with an attachment
04/06/2006WO2006036342A2 Reaction arrangement for brake booster
04/06/2006US20060070519 Pneumatic brake booster, particularly for a motor vehicle
04/04/2006US7021191 Accurate fluid operated cylinder positioning system
04/04/2006US7021190 Rack and pinion steering gear with integral support bearing
03/2006
03/29/2006CN1247918C Drive controller of cooling fan
03/29/2006CN1247402C Brake Booster
03/28/2006US7017471 Pneumatic brake booster provided with a control rod and method for mounting same
03/15/2006CN1245580C Feed-back mechanism and valve positioner
03/09/2006WO2006026149A1 Vacuum brake booster
02/2006
02/23/2006US20060037469 Vacuum booster
02/23/2006US20060037468 Pneumatic servo unit, method for making same and device
02/23/2006DE112004000574T5 Mehrventilpositioniersystem für fluidbetriebene Zylinder Mehrventilpositioniersystem for fluid operated cylinder
02/22/2006CN1737381A Method and apparatus for controlling air cylinder
02/21/2006US7000893 Servo-valve control device and servo-valve control system with abnormality detection
02/15/2006EP1511985B1 Servo-controlled integral stop for use with a servo-controlled hydraulic piston
02/14/2006US6996982 Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor
02/09/2006WO2006013821A1 Control system and control method for fluid pressure actuator and fluid pressure machine
02/08/2006EP1622443A1 Assembly and method for controlling the lifting gear of an agricultural utility vehicle
02/01/2006CN1239831C Oil-discharging circuit of rotary hydraulic motor
01/2006
01/31/2006US6993424 Method and apparatus for controlling a solenoid valve of an automatic transmission of a vehicle
01/24/2006US6989646 Multi-axis air/electrical control system
01/24/2006US6988778 Pneumatic brake booster, particularly for a motor vehicle
01/19/2006US20060011406 Power steering apparatus
01/18/2006EP1206644B1 Vehicle brake booster with two-part air valve and method of assembling
01/12/2006DE4311856B4 Druckbegrenzungsventil Pressure relief valve
12/2005
12/29/2005WO2005124160A1 Feedback control methods and apparatus for electro-pneumatic control systems
12/29/2005CA2568912A1 Feedback control methods and apparatus for electro-pneumatic control systems
12/20/2005US6976358 Circuit for controlling discharge amount of hydraulic pump
12/15/2005US20050278074 Feedback control methods and apparatus for electro-pneumatic control systems
12/15/2005DE102005023315A1 Servolenkungs-Vorrichtung Power steering apparatus
12/13/2005CA2231498C Method in a pressure medium system for employing and controlling a lifting boom unit particularly in connection with a work machine
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