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 47 - Means in valves for absorbing fluid energy
Patents for F16K 47 - Means in valves for absorbing fluid energy (5,284)
06/1990
06/05/1990US4930541 Variable orifice diverter valve
05/1990
05/29/1990US4928920 Finely-adjustable flow control valve
05/29/1990US4928733 Steam valve with variable actuation forces
05/23/1990EP0369404A1 Valve for filling a water cistern of a flushing toilet
05/17/1990DE3829726A1 Pilot-controlled pressure-shock auxiliary outlet valve
05/09/1990EP0367383A2 Reed valve device with air control valve
05/08/1990US4923166 In a pipe line for conveying pressurized fluids
05/01/1990US4921014 Noise-reducing valve construction
04/1990
04/25/1990EP0364898A2 Flow-control valve
04/24/1990US4919166 Two-way flow valve
04/24/1990CA1268052A1 Measure while drilling systems
04/10/1990US4915354 Cushioned valve seat
04/10/1990US4915126 Method and arrangement for changing the pressure in pneumatic or hydraulic systems
04/03/1990US4914637 Measure while drilling system
03/1990
03/28/1990EP0360697A1 Pumping installation, especially for irrigation
03/28/1990EP0359759A1 Arrangement for damping linear movements.
03/27/1990US4911404 Electronically operated expansion valve
03/27/1990CA1267058A1 Rotary control valves with pressure reducing means
03/21/1990EP0358899A2 Check valve with a throttle device
03/14/1990EP0222879B1 Faucet valve with noise reducing slots and blades in preclosing apertures
03/14/1990CN1040423A 减压阀 Valve
03/08/1990DE3829692A1 Flow-regulating valve, in particular for sanitary fittings
02/1990
02/28/1990EP0356057A1 Noise limiter
02/27/1990US4903725 Faucet valve assembly having a flow buffer disk
02/22/1990DE3828078A1 Pressure-reducing valve
01/1990
01/31/1990CN1039294A Multipurpose valve
01/30/1990US4896694 Pressure-limiting valve
01/25/1990DE3824444A1 Throttle valve
01/23/1990US4895342 Radial flow valve assembly
01/16/1990US4893753 Waterjet cutting apparatus
01/09/1990US4892289 Letdown valves
01/09/1990US4892118 For quietly controlling flow of steam
12/1989
12/28/1989WO1989012775A1 Radial flow valve assembly
12/27/1989EP0347675A2 Oscillation reduced flow valve
12/26/1989US4889163 Valve assembly
12/14/1989DE3817649A1 Non-return valve
11/1989
11/29/1989CN2048540U Pressure-reducing anti-splash water saving tap
11/22/1989CN1037383A Valve apparatus
11/22/1989CN1037382A Valve apparatus
11/21/1989US4881718 Ball control valve
11/16/1989DE3814905A1 Damping device for a valve-operating arrangement
11/01/1989CN1036819A Digital valve
10/1989
10/31/1989US4877059 Valve
10/31/1989US4877056 Digital valve
10/25/1989CN2046568U Switch for pressure meter with damping unit
10/11/1989EP0118452B1 A liquid flow control assembly
10/10/1989US4872638 Slow acting fluid valve
10/10/1989US4872475 Adjustable differential flow shuttle valve
10/04/1989EP0335307A1 Numeric valve
09/1989
09/27/1989CN2045038U Splash-proof tap
09/26/1989US4869460 Actuating device for pipe-chamber feeders of hydraulic transport equipments
09/26/1989CA1260358A1 Radiator valve
09/20/1989EP0333652A1 Device for silencing water discharge, in particular through the outlet valve of a toilet cistern
09/20/1989EP0333640A1 Check valve with a trottle device
09/12/1989USRE33053 Low noise valve
08/1989
08/30/1989EP0329800A1 Valve top
08/29/1989US4860993 Valve design to reduce cavitation and noise
08/23/1989EP0328543A1 A mixer valve of the single lever type incorporating means for avoiding pressure surges during the final stage of lever movement in the valve closing direction.
08/23/1989EP0252073B1 Actuating device for valves or similar closing appliances in pipe-chamber feeders of hydraulic transport equipments
08/22/1989US4858515 Priority valve for hydraulic installations
08/16/1989EP0327676A2 Electric motor operated positioner
08/08/1989US4854347 Faucet valve with noise reducing slots and blades in preclosing apertures
08/08/1989US4854344 Slow-close apparatus for minimizing water hammer and/or shock waves resulting from closure of valve means
08/02/1989EP0325846A1 Closing member for a valve
08/02/1989CN2042141U Muffling pressure-limiting valve
07/1989
07/25/1989US4850567 Ball valve
07/25/1989US4850392 Double poppet relief valve
07/18/1989US4848402 Rotary slide valve for hydraulic auxiliary power steerings
07/13/1989DE3744424A1 Throttle valve
06/1989
06/20/1989CA1256083A1 Flow control device for administration of iv fluids
06/15/1989DE3741120A1 Drosselventil Throttle valve
06/07/1989CN2038983U Noise elimination type comprssed air reversal valve
06/06/1989US4836498 Liquid flow control assembly
05/1989
05/31/1989EP0174340B1 Anti-cavitation low-noise control valve cage trim for high pressure reducing service in liquid or gaseous flow
05/24/1989EP0317021A1 One-way-valve
05/23/1989US4832311 Valve apparatus
05/17/1989CN2037799U 阻尼阀 Damper
05/03/1989EP0313552A1 Valve means.
05/02/1989US4825906 Angle pattern control valve
05/02/1989US4825903 Pressure control valve
04/1989
04/27/1989DE3733890A1 Seal for a sanitary valve
04/26/1989CN2036608U Automatic air escape valve for water heater
04/19/1989EP0312486A2 Air terminal
04/13/1989DE3744730C1 Throttle valve
04/12/1989EP0311573A1 Cartridge for mixing faucets with ceramics plate shutter
04/11/1989US4819690 Pressure control valve
04/05/1989CN2035418U Back-flow proof valve with preventing water-hammer and noise
03/1989
03/29/1989CN2035028U Noiseless water tap
03/14/1989US4811575 Sound insulated bellows-type air terminal valve
03/07/1989CA1250794A1 Control regulator having a rolling diaphragm
03/02/1989DE3736794A1 Schallgedaempftes mischventil Schallgedaempftes mixing valve
02/1989
02/23/1989WO1989001585A1 Noise-reduced mixing valve
02/22/1989CN1031274A Valve for limiting of the rate of flow
02/21/1989US4805667 Flow control valve
02/13/1989EP0258315A4 Fluid restrictor for a valve.
02/07/1989CA1249762A1 Flow stabilizing valve, method and pressure reducer
02/01/1989EP0301578A2 Flow control valve
01/1989
01/31/1989CA1249673A1 Check-valve assembly, namely for pressurized water reactor
01/17/1989CA1248843A1 Low noise valve
01/10/1989CA1248459A1 Silencer
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