Patents for F16K 17 - Safety valves; Equalising valves (21,027)
04/2001
04/25/2001CN2427693Y Leakage-prevention type prective valve
04/25/2001CN2427692Y Piston damping guiding type safety valve
04/25/2001CN2427691Y Centrifugical safety valve
04/25/2001CN1292470A Flow control valve of feedback regulation pressure-difference hydraulic machine
04/25/2001CN1292469A Flow control valve of feedback regulation pressure-difference hydraulic machine
04/24/2001US6220565 Safety valve assembly
04/24/2001US6220269 Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection
04/19/2001WO2001027509A1 An actuating device
04/19/2001DE10046998A1 Fire protection valve for gas heater has dam body associated with spring-loaded valve body and triggered by detent connection to shut off gas pipe
04/19/2001DE10046684A1 Seal for hydrant double stop valve; has spaced lips forming valve seat and enclosing ring chamber, with first lip formed as throttle lip with connection notch for supply pressure side
04/18/2001CN1291561A Leveling valve actuating device
04/17/2001US6217291 Control valve for variable displacement compressors and method for varying displacement
04/17/2001US6216741 Flow limiter
04/17/2001US6216729 Bidirectional check valve for hydraulic system
04/17/2001US6216559 Transmission case with relief valve disposed therein
04/11/2001EP1090241A1 A device for safety closing or opening of a flow
04/11/2001EP1090240A1 Pressure control valve
04/11/2001CN2426551Y Direct-acting inserted overflow valve
04/11/2001CN1290828A Feedback regulating pressure difference type hydrualic press flow rate controlling valve
04/11/2001CN1064318C Safety device
04/10/2001US6213566 Brake proportioning in-line ball valve
04/10/2001US6213142 Earthquake actuated automatic gas shutoff valve
04/05/2001WO2001023792A1 Air-relief valve assembly
04/05/2001DE19946848A1 Pressure relief valve for protecting hydraulic brace systems in downhole machinery from pressure surges has damping chamber between valve piston and equalising chamber and sheet spring biased by valve spring at top of damping chamber
04/04/2001CN2426052Y Piston type pressure-reducing valve
04/04/2001CN2426051Y Piston type pressure-releasing and pressure-keeping valve
04/03/2001US6209568 Gas supply system including a pressure-regulating device and installation for dispensing working liquid
04/03/2001US6209561 Emergency pressure relief valve
04/03/2001US6209527 Pressure regulating valve
04/03/2001US6209523 Control and safety valve arrangement in a fuel feeding system
03/2001
03/29/2001WO2001021989A1 Gas safety valve
03/29/2001WO2001021498A1 Flow control device for a container
03/29/2001DE19945542A1 Nut for use in fire protection device for ventilation duct has outer ring made of heat-resistant material. bonded to inner ring made of material which melts at high temperature
03/28/2001EP1086293A1 Downhole dump valve
03/28/2001CN2425250Y Combined hydraulic valve
03/27/2001US6206420 Device for introducing pressurized gas into a vehicle safety device
03/27/2001US6206414 Air bag inflator including plural burst disks
03/27/2001US6206057 Two-stage ORVR control valve
03/27/2001US6206056 Fill limiter for a liquid storage tank
03/22/2001WO2001019494A1 Full flow mechanical failsafe
03/22/2001DE19952287A1 Relief valve apparatus used in oil pump of internal combustion engine, has one of relief holes with maximum opening area, which are sequentially opened
03/22/2001DE19949733A1 Device for measuring threshold pressure of safety valve uses cylinder and piston attached to valve plate, valve above piston allowing cylinder to be pressurised and second valve below ensuring cylinder is unpressurised when not operating
03/21/2001CN1288509A Tank Transport pressure relief valve assembly
03/20/2001US6202678 Gas discriminating valve for shutting off excessive flow of liquids
03/20/2001US6202667 Apparatus and method for stopping the propagation of ignited flammable gas in a conduit
03/15/2001WO2001018435A1 Duckbilled check valves and methods of making and using same
03/15/2001DE19951270C1 Venting method for stoarge tank installation for non-combustible liquid has vented gas fed through intial blocking chamber filled with stored liquid and second venting chamber filled with different liquid
03/14/2001EP1082565A1 Gas stream monitor
03/14/2001EP1082560A2 Control device for a safety valve
03/14/2001EP0898652A4 Amplified pressure air driven diaphragm pump and pressure relief valve therefor
03/14/2001CN2423463Y Automatic stop valve for super-flow
03/14/2001CN2423462Y Automatic control valve for flow
03/13/2001US6199584 Fluid flow control valve
03/13/2001US6199583 Safety gas valve
03/13/2001US6199577 Pressure relief system for chemical storage tanks
03/08/2001DE19936161C1 Sicherheitsventil insbesondere für eine Betankungsentlüftungsleitung Safety valve especially for a refueling vent line
03/06/2001US6196584 Initiator for air bag inflator
03/06/2001US6196258 Pressure control valve and evaporation fuel discharge control device
03/01/2001WO2001014777A1 Device and method for checking a safety valve
02/2001
02/28/2001EP1078183A1 Enhanced reverse buckling rupture disc
02/28/2001CN2421474Y Self-operated flow controlling valve
02/28/2001CN1285792A Pressure regulating valve for regulating a hydraulic fluid in anti-slip hydraulic brake systems
02/28/2001CN1062644C Relief valve seat for positive displacement pump
02/27/2001US6192926 Safety valve especially for pneumatic circuits
02/27/2001US6192924 Pilot operated relief valve
02/27/2001US6192914 Rupture disk safety member
02/22/2001DE19936843A1 Pressure regulating valve for i.c. engine fuel feed module has springloaded actuator inside housing with adjustable cap and throttling hole
02/21/2001CN2420477Y Stabilizer for pipeline water
02/21/2001CN2420476Y Pressure reducing and stabilizing device
02/21/2001CN1285021A Multiple dome single-panel explosion vent
02/20/2001US6189798 Thermostat device
02/20/2001US6189562 Overflow valve
02/20/2001US6189326 Pressure control valve
02/15/2001DE19936657A1 Steuerventil Control valve
02/14/2001CN2419458Y 管路插座 Pipe outlet
02/14/2001CN2419437Y Unitary pressure reducing valve set
02/13/2001US6186482 Carburetor choke valve
02/13/2001US6186175 Rocker valve with pneumatic pre-control
02/13/2001US6186167 Emergency shutdown test system
02/13/2001US6186159 Rupture disk controlled hydraulically actuated valve assembly
02/08/2001WO2001009696A1 Pressure control device for a pipeline
02/08/2001WO2001009538A1 Sealing system and gasket therefor
02/08/2001WO2001009537A1 Valve device
02/08/2001WO2001009009A1 Pressurized package comprising a pressure control device
02/08/2001WO2001009003A1 Valve and package for cooking food
02/07/2001EP1074770A2 Control valve
02/07/2001CN2418328Y 流量控制阀 Flow control valve
02/07/2001CN2418327Y Middle-pressure pressure-regulator for liquified petroleum gas
02/06/2001US6182698 Valve assembly
02/06/2001US6182678 Apparatus for safely installing and removing spring failsafe actuator
02/01/2001WO2001007805A1 Safety valve for sealed chamber containing a pressurised fluid such as a lpg tank
02/01/2001DE19932596A1 Durchflußmengenregler Flow regulator
01/2001
01/31/2001EP1071898A1 Spring-loaded tandem control valve
01/31/2001EP0730708B1 Pressure control valve
01/31/2001CN2417348Y Automatic pipeline pressure releasing valve
01/30/2001US6179393 Distributing valve for load-independent control of a hydraulic consumer with regards to direction and speed
01/30/2001US6178998 Reverse flow prevention apparatus
01/30/2001US6178983 Rupture disk assembly
01/30/2001US6178982 Shut-off valve for a sprinkler head
01/30/2001US6178759 Rupture disk