Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16K - Valves; Taps; Cocks; Actuating-floats; Devices for venting or aerating › F16K 31 - Operating means; Releasing devices
Patents for F16K 31 - Operating means; Releasing devices (69,292)
12/1990
12/05/1990EP0371132A4 Electric drive
12/05/1990CN2066918U Sound deadening automatic lift valve
12/05/1990CN2066917U Button type water tap
12/04/1990US4974812 For use in a fluid system for controlling the release of a pressurized fluid
12/04/1990US4974690 Adapter for drilling strings with controllable air passage
12/04/1990US4974624 Gas shut-off device
12/04/1990US4974622 Valve control assembly
12/04/1990CA1277304C Control valve
12/04/1990CA1277303C Tap controller for liquid delivery line
12/03/1990WO1990015279A1 Electromagnetic valve for controlling the flow of a fluid in a pipe
12/01/1990CA2016601A1 Temperature-sensitive actuating apparatus for a servo apparatus
11/1990
11/29/1990WO1990014538A1 Finely-adjustable flow control valve
11/29/1990WO1990014473A1 Solenoid operated faucet
11/29/1990DE4012900A1 Valve with housing and inlet and outlet - has cylinder, piston, piston rod and connecting duct with closure piece
11/29/1990DE3916860A1 Electromagnetic non-return valve for fluctuating pressure pipeline - comprises servo-valve and directly-acting electromagnetic valve with opposed spring-biased armatures, differential piston and disc seal
11/28/1990EP0399991A1 Process and device for controlling the movement of a hydraulically actuated valve
11/28/1990EP0399316A1 Handwheel for a gas cylinder valve
11/28/1990CN2066539U Pneumatic corrugation tube diaphragm valve
11/28/1990CN2066536U Key type relief pressure self-controlling safe water saving tap
11/27/1990US4973026 High pressure water jet cutting nozzle on-off valve
11/27/1990US4973024 Valve driven by shape memory alloy
11/27/1990US4972874 Power-operated valve
11/27/1990US4972810 Electromagnetic force valve driving apparatus
11/27/1990CA1277013C Electrically operated automatic transmission controller assembly
11/22/1990EP0397915A2 Pneumatic actuator
11/22/1990DE4015756A1 Elektroventil fuer fluessigkeiten Electric valves for gas
11/21/1990CN2066098U Infrared reflecting hygiene water-saving unit
11/21/1990CN2066092U Pedal self-pressing sealed water tap
11/20/1990US4971288 Valve actuator with hydraulic damper
11/20/1990US4971287 Solenoid operated flush valve and flow control adapter valve insert therefor
11/20/1990US4971116 Pressure control valve
11/20/1990CA1276525C Volume loading valve, followed by sudden unloading of said volume
11/20/1990CA1276521C Fluid flow control valve
11/19/1990CA2016924A1 Valves with improved actuators
11/19/1990CA2015870A1 Proportional fluid valve apparatus
11/15/1990DE4013424A1 Modulated flow valve esp. for domestic refrigerator coolant - has plastically deformed portion of pipe around cylindrical axial section of sliding rod attracted by electromagnet
11/15/1990DE3915242A1 Electromagnetically operated valve for IC engine - has return spring with two rates operating against flow control poppet
11/14/1990EP0397058A2 Canister purge solenoid valve
11/14/1990CN2065711U Key type water tap releasing device
11/14/1990CN2065710U Electric driving device for mini-valve
11/13/1990US4970484 Composite elastomer-tipped tubular metallic device for armature and needle valve applications
11/13/1990US4969629 Diaphragm valve
11/13/1990US4969628 Valve construction and method of making the same
11/13/1990US4969486 Flow control apparatus
11/13/1990US4969424 Electromagnetic diaphragm valve
11/13/1990CA1276133C Pneumatically operated valve
11/07/1990EP0396129A1 Sewage regulator
11/07/1990CN2065266U Self-sealing dual-purpose water tap
11/07/1990CN2065264U Push-rod economizing water tap
11/07/1990CN1010340B Fluid supply device
11/06/1990US4967997 Butterfly valve with intra-shaft actuator means
11/06/1990US4967996 Pilot type controlled electromagnetic valve system
11/06/1990US4967966 Electromagnetically actuatable valve
11/06/1990US4967786 Armature for a solenoid operated valve
11/06/1990US4967785 Valve actuator
11/06/1990US4967781 Proportional solenoid valve
11/02/1990WO1990013795A2 Enhanced pressure measurement flow control system
11/01/1990WO1990013171A1 Linear actuator
10/1990
10/31/1990EP0395611A1 Hydraulic valve
10/31/1990EP0395599A1 A passively actuated valve
10/31/1990EP0395574A1 Pressure fluid actuated valve
10/31/1990EP0395450A1 Intake/exhaust valve actuator
10/31/1990EP0222790B1 Correcting device with levers between an actuator and the shaft of a rotatable valve
10/31/1990DE3914097A1 Adjusting lever for mixer valve - with at least two valve discs, is mounted on pivot axle, with lever arms, carrier pin and contact surfaces
10/31/1990DE3914094A1 Solenoid valve for pressure medium vehicle brake system - provided with cylindrical seating body located in bore, with seat arranged on same axis as magnetic armature
10/31/1990CN2064847U Diving type water storage valve
10/31/1990CN2064846U Multifunctional tap
10/31/1990CN2064842U Water gas linkage valve for gas-fired water heater
10/31/1990CN1046591A Fire hose attached with turning handle
10/31/1990CN1010231B Operaitng gear for measuring valve
10/30/1990US4966196 Balanced servo-operated multiway valve
10/30/1990US4966195 Transmission pressure regulator
10/30/1990US4966194 Four-way switching valve device
10/30/1990CA1275680C Article obtained by injection molding
10/30/1990CA1275610C High pressure relief valve
10/25/1990DE3912843A1 Throttle valve shaft for servo-drive - has magnetic clutch with rotor fitted to shaft by wedge with threaded fastener
10/25/1990DE3911747A1 Water inflow regulator for fire extinguisher container - consists of valve in inflow pipe, with rotary gate and multiple levers arrangement
10/24/1990EP0393248A2 Transmission pressure regulator
10/24/1990EP0256113B1 Fluid-flow isolation and control apparatus
10/24/1990CN2064451U Water nozzles of dual activating type
10/24/1990CN2064450U Electromagnetic valves using diaphragms
10/23/1990US4964613 Gate valve
10/23/1990US4964612 Electromagnetically-operated rotary servovalve
10/23/1990US4964611 Valve for pressurized media
10/23/1990US4964592 Fluid distributor
10/23/1990US4964424 Pneumatic valve assembly for controlling a stream of compressed air
10/18/1990WO1990012234A1 Valves
10/18/1990WO1990011965A1 Valve assembly with axially movable valve
10/18/1990DE3927396A1 Pneumatic or hydraulic rotary drive for stopcock - includes central piston rod with diametric cross-bolt
10/18/1990DE3912118A1 Valve unit for temp. dependent control of media flows - has valve housing having opening in one wall for medium flow and in which two bimetallic discs are arranged lying on each other in parallel
10/18/1990DE3910425A1 Ventil Valve
10/17/1990EP0392784A1 Electromagnetic valve utilizing a permanent magnet
10/17/1990EP0392313A2 Fuel pressure regulator valve
10/17/1990EP0392280A1 Drain valve activator assembly
10/17/1990CN2064000U Jar type valve
10/17/1990CN2063996U Auto-closed tap
10/16/1990US4962790 Faucet having proximity actuation control and hand control that can be interchangeable
10/16/1990US4962690 Relay-controlled valve
10/16/1990CA1275280C Thermostatic mixer tap
10/11/1990DE4009978A1 Control valve actuator system - incorporates sealed actuator pin to operate valve seal
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