Patents
Patents for 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)
03/2015
03/03/2015US8967179 Servo-valve pilot stage and a two-stage servo-valve including such a stage
02/2015
02/24/2015US8960217 Pilot relay
02/19/2015DE102011052115B4 Druckübersetzer Pressure intensifier
02/18/2015EP2836713A2 Adaptive hydraulic pressure generator
01/2015
01/28/2015EP2829739A2 Valve positioner having bypass component and control valve comprised thereof
01/28/2015CN104314891A 液体恒压源装置 Liquid constant source device
01/08/2015WO2015002732A1 High performance transducer
09/2014
09/04/2014WO2014131427A1 Pilot stage with pulse width modulation for the valve of an electro-pneumatic positioner
09/04/2014WO2014131125A1 Fluid pressure pulse generating apparatus and method of using same
07/2014
07/24/2014WO2014113781A1 Pneumatic sensing actuator
07/09/2014CN103912527A 五位三排发泡铝用型材端盖 Five three rows of foam aluminum profiles cover
07/09/2014CN102164767B 混合电动车辆牵引电动机所驱动的动力输出控制系统 Hybrid Electric Vehicle Traction Motor Driven Power Output Control System
05/2014
05/22/2014DE102012021643A1 Pressure intensifier for high pressure, has high-pressure piston that is moved into axially movable piston cylinder and is provided with central bore for transmitting high pressure to outside
05/07/2014EP2728202A2 Pneumatic drive system and method for operating a pneumatic drive system
05/07/2014EP2728201A2 Electropneumatic adjusting device and electropneumatic assembly
02/2014
02/26/2014EP2700824A2 Valve for detection of hydraulic system status
02/19/2014CN203442108U Ground surface profiling electrohydraulic automatic control system of farmland operation machinery
02/04/2014US8644996 Positioner
12/2013
12/19/2013WO2013140042A3 Adaptive hydraulic pressure generator
11/2013
11/28/2013DE102009035278B4 Druckverstärker Booster
11/20/2013CN203297174U Oil pressure constant device of hydraulic oil pump
11/13/2013CN203285790U Pressure control device for micro flow hydraulic system
10/2013
10/16/2013CN103352977A Automatic electro-hydraulic control system for earth surface profiling mechanism of farmland operation machine
10/16/2013CN103352902A Micro-flow hydraulic system pressure control device
10/09/2013CN103343756A Liquid two-level constant voltage supplying station
09/2013
09/17/2013CA2568912C Feedback control methods and apparatus for electro-pneumatic control systems
09/10/2013US8528583 Pneumatic amplifier and arrangement for regulating a regulating armature of a process plant
07/2013
07/24/2013EP2616690A1 Ultra high pressure pump
06/2013
06/20/2013DE102011088594A1 Druckübersetzer, Verfahren zum Betreiben eines Druckübersetzers sowie Verwendung eines Druckübersetzers Pressure intensifier, method of operating a pressure booster and using a pressure intensifier
06/19/2013CN102155474B Electric hydraulic control mechanism of hydraulic pressure transformer
06/12/2013CN103154532A Ultra high pressure pump
06/11/2013US8459289 Electro-pneumatic positioner and electro-pneumatic converting device
01/2013
01/31/2013DE102011052115A1 Druckübersetzer Pressure intensifier
01/10/2013DE102011107452A1 Ventil zur Steuerung einer hydropneumatischen Vorrichtung zur Druckübersetzung sowie hydropneumatische Vorrichtung zur Druckübersetzung mit einem Ventil Valve for controlling a hydro-pneumatic device for pressure boosting and hydro-pneumatic device for pressure transmission with a valve
12/2012
12/27/2012WO2012174937A1 Excavator hydraulic system equipped with load-sensitive main valve and positive flow pump
12/27/2012DE102011078153A1 Hydraulikkonverter und hydraulische Bremse Hydraulic converter and hydraulic brake
12/13/2012WO2012170772A1 Universal valve control system and method
11/2012
11/08/2012US20120279580 Process fluid pressure transmitter with replaceable atmospheric vent filter
11/08/2012DE102006045258B4 Hydropneumatischer Druckübersetzer mit Hub- und Kraftbegrenzung Hydropneumatic pressure intensifier with lift and force limiter
10/2012
10/31/2012EP2516838A1 A device for dispensing a substance
09/2012
09/27/2012US20120241010 Digital Closed Loop Proportional Hydraulic Pressure Controller
08/2012
08/29/2012CN101493102B Pressure sensing device adapted to corrosive or explosive atmospheres and with means to filter disturbance frequencies
08/09/2012US20120199211 Airflow control system
06/2012
06/21/2012DE102010063487A1 Vorrichtung zur Betätigung eines Arbeitszylinders A device for actuating a working cylinder
05/2012
05/15/2012CA2562920C Method and apparatus for operating a control valve by means of a control loop and performing diagnostics of the same
05/09/2012CN101566178B Double-acting vane type hydraulic transformer controlled by hydraulic cylinder
03/2012
03/22/2012WO2012034165A1 Ultra high pressure pump
03/15/2012DE112009002432T5 Leistungsentnahmesteuerungssystem angetrieben durch einen Elektrohybridfahrzeug-Antriebsmotor POWER CONSUMPTION control system driven by an electric hybrid-vehicle drive motor
02/2012
02/29/2012CN101634316B Hydraulic transformer with safety device
02/27/2012DE202012100010U1 Druckübersetzer Pressure intensifier
02/22/2012EP1848893B1 Pneumatic device having a selectively variable orifice
01/2012
01/27/2012DE202011109048U1 Neuartiger Druckübersetzer für höchste Drücke Novel Pressure In extreme pressures
01/04/2012CN1969127B Feedback control methods and apparatus for electro-pneumatic control systems
12/2011
12/07/2011CN102272460A 液压的力转换器 Hydraulic force transducer
11/2011
11/09/2011EP2384834A2 Hydraulic cylinder for a hydraulic die cushion
10/2011
10/06/2011US20110240138 Electro-pneumatic positioner and electro-pneumatic converting device
09/2011
09/15/2011WO2011111827A1 Feedback mechanism and valve positioner
09/08/2011US20110214751 Pressure regulator device, especially of the hydraulic remote-control type
08/2011
08/24/2011CN102164767A Hybrid electric vehicle traction motor driven power take-off control system
08/17/2011CN102155474A Electric hydraulic control mechanism of novel hydraulic pressure transformer
07/2011
07/27/2011CN201908880U External displacement sensor structure for servo cylinder
07/13/2011CN201896800U Novel ship hydraulic system power sensor
06/2011
06/23/2011WO2011074970A1 A device for dispensing a substance
06/15/2011CN102094871A Novel connecting body of hydraulic cylinder
05/2011
05/19/2011US20110114196 Electronic pressure regulator
05/18/2011CN101424282B Inclined shaft type hydraulic transformer and voltage transformation method
05/12/2011DE102008055854B4 Elektropneumatischer Wandler mit einem pneumatischen Druckregelventil Electro-pneumatic transducer with a pressure control valve
03/2011
03/30/2011CN101354051B Electric control inclined shaft plunger type hydraulic transformer
03/10/2011US20110056197 Landing gear uplock mechanism employing thermal phase-change actuation
02/2011
02/03/2011DE102009035278A1 Druckverstärker und zugehöriges Steuerventil Booster and associated control valve
01/2011
01/19/2011EP1751640B9 Method and apparatus for operating a control valve by means of a control loop
01/12/2011CN101363459B Hydro-pneumatic pressure boost device and method for operation
01/05/2011EP1931882B1 A fluid transmission
12/2010
12/29/2010CN101566177B Double-acting vane type hydraulic transformer
12/22/2010CN101107449B Pneumatic device having a selectively variable orifice
12/15/2010CN101918720A Landing gear uplock mechanism employing thermal phase-change actuation
12/01/2010CN201661428U Cylinder type gravity regulator and wind power generation device
12/01/2010CN101900139A Electropneumatic transducer with a pneumatic pressure-regulating valve
11/2010
11/17/2010CN201636097U Swash-plate adjustable hydraulic transformer
11/03/2010CN201621113U Flow transducer for double-ply pump of hydraulic bending machine
11/02/2010CA2516381C Running board
10/2010
10/19/2010CA2598032C Pneumatic device having a selectively variable orifice
10/06/2010EP2235379A1 Landing gear uplock mechanism employing thermal phase-change actuation
09/2010
09/28/2010US7802585 Transducer of an electrical input signal into pneumatic output signals
09/23/2010DE202009017868U1 Betätigungseinheit mit Festkörperaktor Operating unit with solid state actuator
08/2010
08/18/2010CN101398018B Mechanical-hydraulic guiding virtual displacement variable hydraulic transformer and variable method
08/12/2010DE202009017925U1 Elektropneumatischer Wandler An electropneumatic converter
08/11/2010EP2216701A1 Method and apparatus for operating a control valve by means of a control loop and performing diagnostics of the same
07/2010
07/22/2010DE202009017907U1 Elektropneumatischer Wandler An electropneumatic converter
07/08/2010US20100170236 Atmospheric pressure hydropower plant
07/01/2010DE102008055542A1 Druckübersetzer mit integriertem Rückschlagventil Pressure intensifier with integrated check valve
06/2010
06/23/2010EP2198168A1 A system, apparatus and method for applying mechanical force to a material
05/2010
05/19/2010EP1751640B1 Method and apparatus for operating a control valve by means of a control loop
05/14/2010WO2010051913A1 Hydraulic force transducer
05/12/2010DE102008056378A1 Hydraulischer Kraftübersetzer Hydraulic power transmitter
05/12/2010CN201461612U Hydraulic oil cylinder sensor protective cover
05/06/2010DE102008055854A1 Elektropneumatischer Wandler mit einem pneumatischen Druckregelventil Electro-pneumatic transducer with a pressure control valve
05/05/2010CN201448304U Double-acting vane type hydraulic pressure transformer controlled by hydraulic pressure cylinder
04/2010
04/01/2010WO2010036853A1 Hybrid electric vehicle traction motor driven power take-off control system
03/2010
03/31/2010EP2167824A1 High performance transducer
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