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