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 39 - Devices for relieving the pressure on the sealing faces
Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335)
12/2000
12/26/2000US6164331 Channel-switching valve and method of controlling the same, and refrigerating cycle and method of controlling the same
11/2000
11/02/2000DE19916969A1 Absperrarmatur Shut-off
11/01/2000CN2403958Y Spool of double-steady state electromagnetic valve
11/01/2000CN2403953Y Liquid, air pressure self-balance stop valve
11/01/2000CN2403950Y 负压阀门 Negative pressure valve
10/2000
10/26/2000WO2000063596A1 Shut-off device
10/17/2000US6131595 Automatic back water valve system
10/12/2000WO2000059763A1 Anti-blocking braking system for a land vehicle
10/11/2000CN2400648Y Magnetic coupled sluice valve
10/03/2000US6125885 Rotary channel-selector valve
09/2000
09/28/2000WO2000056586A1 Anti-locking braking system
09/27/2000CN2398492Y Open device for gas low-pressure valve
09/12/2000US6116571 Straight valve
09/12/2000US6116278 Lockout valve
08/2000
08/30/2000CN2394061Y Water tap controlled by electromagnetic valve
08/15/2000US6102366 Balanced valve operated by the axial driving of a stem displacing a special elastomeric sealing body
07/2000
07/26/2000CN1054912C tapered rotary-plug valve
07/05/2000EP1015798A1 A valve assembly and airconditioning system including same
06/2000
06/21/2000CN1257572A Differential valve, specially a cabin air dicharge valve in an aircraft, and method for regulating cabin pressure
06/20/2000US6076365 Valve assembly and airconditioning system including same
06/13/2000US6073651 Damped valve
05/2000
05/31/2000CN2380754Y Balancing-core valve
05/24/2000EP1002206A1 Control valve
05/24/2000CN2379654Y Non-leakage valve
05/10/2000EP0819878B1 Regulation disc valve with discharging device
05/03/2000EP0874962B1 Damped valve
04/2000
04/25/2000US6053204 Regulation disc valve with discharging device
03/2000
03/29/2000EP0989346A1 Symmetric hydraulic multiway valve
03/21/2000US6039071 Valve seal mechanism
03/15/2000EP0722351B1 A servo gas regulating valve
03/15/2000CN1247592A Valve cartridge for lift valve having closing pressure on sealing ltd. (AU)
03/09/2000DE19837558A1 Ventilschieber Valve slide
03/02/2000WO2000011385A1 Valve slide
03/01/2000EP0746485B1 Electromagnetic valve arrangement
02/2000
02/15/2000US6024122 Valve and filter therefor
02/02/2000CN2361936Y Frost-proof device for running water tap
02/01/2000US6019125 Valve unit for high-pressure pumps
01/2000
01/25/2000US6016826 Automatic center cavity equalizing valve
01/12/2000EP0970330A1 Differential valve, specially a cabin air discharge valve in an aircraft, and method for regulating cabin pressure
12/1999
12/29/1999CN1047831C Microvalve for fluid delivery system
11/1999
11/30/1999US5992294 Hydraulic valves and systems
11/09/1999CA2163312C A valve actuated by its own medium
11/04/1999DE19818629A1 Ball valve for use in airplanes
10/1999
10/27/1999EP0951621A1 Valve cartridge for lift valve having the closing pressure on the sealing limited
10/20/1999EP0950158A1 Valve assembly
10/06/1999CN2342202Y Node device for pressure difference exhaust valve
09/1999
09/14/1999US5950664 Valve with improved combination bearing support and seal
09/01/1999CN1227628A Transfer valve, method of controlling transfer valve, freezing cycle and method of controlling freezing cycle
08/1999
08/31/1999US5944042 Flow force compensating method and flow control valve of spool type using the same method
08/11/1999CN1225254A Hand sprayer
08/10/1999US5934643 Valve arrangement
08/03/1999US5931192 External unified integral bleed system for valves
07/1999
07/28/1999CN1224129A Rotary flow path switching valve
07/14/1999EP0928892A1 Pressure compensated exhaust gas recirculation (EGR) valve
07/07/1999EP0927580A1 Shower head
07/07/1999CN1043952C Blow-off cock for stem vessel
06/1999
06/17/1999DE19805513C1 Magnetic valve with incorporated vent valve
06/16/1999EP0454758B2 A VALVE ARRANGEMENT and COUPLING ARRANGEMENT
06/15/1999US5911242 Reversing valve and method
05/1999
05/12/1999EP0915278A1 Valve closure device
05/11/1999US5901737 Rotary valve having a fluid bearing
04/1999
04/14/1999EP0908627A2 Valve unit for high-pressure pumps
03/1999
03/25/1999WO1999014519A1 A valve assembly and airconditioning system including same
03/09/1999US5878781 Reversing valve and method
03/02/1999US5875813 Automatic back water valve system
02/1999
02/18/1999WO1999008031A1 Control valve
02/02/1999CA2154007C Microvalve for fluid delivery system
01/1999
01/21/1999WO1998046916A3 Straight valve
12/1998
12/16/1998CN1201876A Valve seal mechanism
11/1998
11/25/1998EP0879979A2 Hydraulic spool valve
11/04/1998EP0874962A1 Damped valve
10/1998
10/22/1998WO1998046919A1 Wide-ranging valve
10/22/1998WO1998046916A2 Straight valve
10/21/1998EP0872675A1 Straight flow valve
10/21/1998EP0872674A1 Pressure-compensated solenoid valve
10/20/1998US5823505 Solenoid valve with an ancillary drive member
10/08/1998WO1998044300A1 Differential valve, specially a cabin air discharge valve in an aircraft, and method for regulating cabin pressure
10/08/1998DE19713125A1 Stufenventil, insbesondere Kabinenabluftventil in einem Fluggerät, und Verfahren zur Regulierung des Kabinendrucks Stage valve, in particular cabin exhaust valve in an aircraft, and method for regulating the cabin pressure
10/01/1998WO1998043008A1 Automatic back water valve system
08/1998
08/25/1998CA2230335A1 Valve filter
07/1998
07/22/1998EP0819878A4 Regulation disc valve with discharging device
07/16/1998WO1998030820A1 Valve cartridge for lift valve having the closing pressure on the sealing limited
07/14/1998US5779222 Tapered plug valve
07/01/1998EP0851160A1 Flow force compensating method and flow control valve of spool type using the same method
06/1998
06/25/1998WO1998027379A1 Valve assembly
06/23/1998US5769123 For controlling the flow of liquid under pressure
06/10/1998EP0846904A1 Direct-acting valve.
06/09/1998US5762087 For enabling the rapid, complete opening of a valve for high pressure gases
06/04/1998DE19717414A1 Multi-way valve
04/1998
04/07/1998US5735582 Electromagnetically controllable valve arrangement
03/1998
03/18/1998EP0829668A1 Solenoid valve
03/18/1998EP0776437B1 Tapered plug valve
02/1998
02/12/1998WO1998005907A1 Transfer valve, method of controlling transfer valve, freezing cycle and method of controlling freezing cycle
01/1998
01/21/1998EP0819878A1 Regulation disc valve with discharging device
01/08/1998DE19623718C1 Control valve for fluid, especially gaseous medium e.g. for gas turbine
12/1997
12/31/1997CN2271648Y Multifunctional auto-alarming water saver
12/17/1997CN2270864Y Magnetized magnetic control water valve
11/1997
11/25/1997US5690098 Servo gas regulating valve
11/11/1997US5685338 For pipelines
11/05/1997EP0805295A1 Instant-on vented tank valve with manual override and method of operation thereof
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