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)
10/1990
10/11/1990DE3911588A1 Device for shutting off gas supply lines to ensure safety
10/11/1990DE3910839A1 Device and control of a member for opening and closing a ventilation opening in a room
10/10/1990EP0391765A1 Remotely actuated tap
10/10/1990CN2063594U Automatic return water-saving tap
10/10/1990CN2063592U Tap joint capable of self-cut-off on water supply stop
10/10/1990CN2063591U Hydraulic self-cut-off valve
10/10/1990CN2063589U Double self-shut-off water-saving tap
10/10/1990CN1046022A Heat-work energy transducer and its use
10/09/1990US4961561 Solenoid valve
10/09/1990US4961455 Countergravity casing apparatus and method with magnetically actuated valve to prevent molten metal run-out
10/09/1990US4961443 Handle assembly
10/09/1990US4961413 Exhaust gas recirculation valve assembly
10/04/1990DE3909551A1 Solenoid valve
10/03/1990EP0390519A1 Electromagnetic force valve driving apparatus
10/03/1990EP0390422A1 Valve stepping drive apparatus
10/03/1990EP0390306A1 Valve, and set point pressure controller utilizing the same
10/03/1990EP0390121A1 Mixing valve
10/03/1990EP0389480A1 Pilot valve cartridge assembly
10/03/1990CN2063193U Thermal-electric-magnetic safety valve with corrosion-proof pocket for combustion-gas set
10/03/1990CN2063192U Water supply system with infrared auto-controlled valve
10/03/1990CN2063188U Auto-exhaust valve for warm air
10/03/1990CN2063186U Automatic air outlet valve for water heating boiler
10/03/1990CN1045853A Magnetic holding solenoid valve
10/03/1990CN1045852A Safety valve against gas leakage for civil gas piping
10/03/1990CN1009858B Air conditioning system for building
10/02/1990US4960365 Hydraulic control apparatus
10/02/1990CA1274746A1 Automatic valve-closing structure in mixed-water cock for quantitatively interrupting discharge of water
10/02/1990CA1274745A1 Automatic valve for use with pool cleaning device
09/1990
09/30/1990CA2013361A1 Drain valve activator assembly
09/26/1990EP0388717A1 Idle air measuring device for internal combustion engines
09/26/1990EP0332690A4 Enhanced pressure measurement flow control system
09/26/1990CN2062772U Turning-pulling self-closing water tap
09/25/1990US4958801 Valve construction and method of making the same
09/25/1990CA1274489A1 Low-cost post-mix beverge dispenser and syrup supply system therefor
09/25/1990CA1274447A1 Sanitary water fitting
09/20/1990DE3927611A1 Diaphragm valve operated by permanent magnet - uses magnetic force to move nozzle closure bolt out of position
09/20/1990DE3909015A1 Device for locking an actuating lever for controlling two directional control valves
09/20/1990DE3908859A1 Ball switching valve, in particular for chopper operation
09/19/1990EP0387634A1 Armature with stroke limitation
09/19/1990EP0387533A2 Direct-operated servo valve, fluid pressure servo mechanism and control method for the direct-operated servo valve
09/19/1990CN2062394U Controlable temp. adjustable hot water valve
09/19/1990CN1045447A Sub-sea valve actuator
09/18/1990US4957275 Control valve
09/18/1990US4957274 Position sensor for a rotary valve
09/18/1990US4957273 Remote shut-off valve
09/18/1990US4957137 Hot/cool water regulating faucet
09/18/1990CA1274232A1 Automatic regulating valve of the air flow sucked out of a room through a mechanical ventilating installation
09/18/1990CA1274225A1 Heat sensitive valve
09/13/1990DE4007009A1 Solenoid valve with two valve seatings - with seatings adjustable by special tool to vary control settings of valve
09/12/1990EP0387205A2 Sub-sea valve assembly
09/12/1990EP0386773A1 Hot-water and cold water mixing device
09/12/1990CN2062000U Manual switching device for water-saving valve
09/12/1990CN2061999U Low-coumption electromagnetic valve made of plastic and casting parts
09/11/1990US4955583 Valve construction and method of making the same
09/11/1990US4955582 Weirless diaphragm valve
09/11/1990US4955536 Thermally controlled valve
09/11/1990US4955334 Control apparatus for valve driven by electromagnetic force
09/11/1990US4955194 Damping arrangement for damping the oscillations of valve controlled by pressure fluid
09/11/1990CA1273858A1 Liquid flow control valve
09/05/1990EP0385812A1 Ball valve
09/05/1990EP0385286A2 Variable force solenoid pressure regulator for electronic transmission controller
09/05/1990CN2061631U Ball cock for controlling lever
09/04/1990US4953825 Electro-magnetic proportional flow control valve
09/04/1990US4953586 Apparatus for adjustment of rotary valve actuators
09/04/1990US4953583 Tank pressure control valve
09/04/1990US4953579 Quick acting diversion valves
09/04/1990CA1273619A1 Turbo boost valve
09/04/1990CA1273544A1 Electric vacuum actuator valve
08/1990
08/30/1990DE3905969A1 Electromagnetically actuable valve and heating circuit for the cab of a motor vehicle containing such a valve
08/29/1990EP0384663A1 Electromagnetic force valve driving apparatus
08/29/1990EP0384607A2 Actuated gate valve with manual override
08/29/1990EP0383915A1 Electric drive with manual doubler
08/29/1990CN2061238U Electronic automatic water-saving valve
08/29/1990CN2061232U Automatic control liquid tap
08/29/1990CN2061231U Float automatic open/close valve
08/29/1990CN2061230U Vertical pulling type pedal energy-saving valve of shower bath
08/28/1990US4951917 Dynamic response time for electromagnetic valving
08/28/1990US4951916 Pressure-balanced electromagnetic valve
08/28/1990US4951915 Electronic water flow control device
08/28/1990US4951712 Control system for a valve
08/28/1990US4951703 Electromagnetic wave
08/28/1990US4951468 Method of determining duty ratio used for operational control of a solenoid
08/28/1990CA1273329A1 Fluid-flow isolation and control apparatus and method
08/28/1990CA1273328A1 Dual stage hydraulic actuator for expanding gate valve
08/23/1990DE4004734A1 Anordnung zum betreiben eines elektrischen oder elektromagnetischen geraetes oder bauteiles Operate arrangement for an electrical or electromagnetic device or component
08/22/1990EP0383369A2 Combination of a rotating valve and a driving gear being connected by a device provided with levers
08/22/1990EP0383353A2 Motor-operated valve
08/22/1990EP0383249A1 Wax-pellet thermostat
08/22/1990EP0383064A1 Magnet armature
08/22/1990EP0383063A1 Magnet armature
08/22/1990EP0383029A2 Pressure washer with bypass
08/22/1990EP0382970A2 Gate valve with supplemental actuator
08/22/1990CN2060841U Valve for inflation of motor vehicle tyre
08/22/1990CN2060832U Automatic exhauster
08/22/1990CN1009300B Hydraulic three-way valve
08/21/1990US4949937 Remote throttling valve
08/21/1990US4949742 Temperature operated gas valve
08/21/1990CA1272887A1 Pulse controlled solenoid valve
08/16/1990EP0382406A2 Modulating positive shut-off mechanism
08/16/1990EP0382179A2 Water pressure-controlled valve particularly for heating systems with sanitary-water production
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