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Class 137/601.16 - Rotary valve


Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein at least one flow path has flow regulating
No. of patents: 33
Last issue date: 11/13/2007


NumberTitleIssue Date
7293435Hydraulic distributor for a washing machine
A hydraulic distributor for a washing machine which comprises a rotating axle (7), water being directed from the mains to a plurality of compartments of the washing machine by means of the rotation of said rotating axle (7); a hydraulic body (2)...
11/13/2007
7044158Continuous filtration systems using pump, venturi and flow control valve
Continuous filtration systems comprising a venturi, flow control valves, filter and pump. In one specific embodiment the flow control valve and venturi are combined hereinafter referred to as a CHUF. The CHUF may also contain concentrate release, and temperature, fl...
05/16/2006
6952169Cordless/wireless automatic detection and suppression system
A wireless automatic detection and suppression system for the detection and suppression of a hazard within an environment, the system includes a wireless automatic suppression apparatus, and at least one detector positioned about the environment to detect a hazard, ...
10/04/2005
6843264Multi-phase pressure control valve for process chamber
A new and improved, multi-phase pressure control valve for facilitating quick and accurate attainment and stabilization of gas pressure inside a semiconductor fabrication process chamber such as an etch chamber or CVD chamber. In one embodiment, the multi-phase pres...
01/18/2005
6810910Valve and arrangement for fire suppression system
A valve and valve arrangement for a fire suppression system includes a remotely controlled valve such as a solenoid valve which is electrically controlled to provide a preselected flow through the remotely controlled valve corresponding to the flow through a single ...
11/02/2004
6588442Servo operated rotary valve with emergency bypass and method of making same
A motorized rotary water valve has an integrally formed one piece motor housing and emergency bypass channel. A solenoid operated valve is integrally provided on the bypass channel and is spring biased to the open position upon shut off of electrical powe...
07/08/2003
6302146Valve and arrangement for fire suppression system
A valve and valve arrangement for a fire suppression system includes a remotely controlled valve such as a solenoid valve which is electrically controlled to provide a preselected flow through the remotely controlled valve corresponding to the flow throug...
10/16/2001
6206034Valve with integral flow switch
A valve has an integral flow switch with a passageway provided through the valve member such as a butterfly disk to an inlet of the flow switch. An outlet of the flow switch communicates with the outlet of the valve....
03/27/2001
5927326Multi stage type flow rate switching device
A multi-stage type flow rate switching device is provided which simplifies switching of flow paths and which rarely causes erroneous operation. The multi-stage type flow rate switching device includes a constant flow rate path 2 and a variable flow rate p...
07/27/1999
5647389Indexable latching handle assembly for quarter-turn rotary valves
An indexable latching handle assembly for quarter-turn rotary valves which permits the arc of operation to be oriented as necessary to avoid surrounding obstacles and enhance ease of operation. This handle assembly has a latching device capable of latchin...
07/15/1997
5485868Fast acting high output valve
A fast-acting high-output valve is provided comprised of a valve body covering an opening, a means for applying a force to the center of said valve, and a means for transforming said force to opposite movement at the periphery of said valve body. As the v...
01/23/1996
5449143Air vent control apparatus
An air vent includes a louver blade rotatable to adjusted positions by a motor. A control mechanism which connects the motor with the louver blade includes a control member connected to the motor, and a rotation transmitting member connecting the control ...
09/12/1995
5305790Ball valve
A ball valve has two mutually orthogonal diametrical internal passages in one of which is mounted a pressure relief valve assembly for resisting sudden pressure flucutations in fluid flow during movement of the ball valve from an open to a closed position...
04/26/1994
5255706High-pressure ball valve with internal pressure equalization
A fluid control valve includes a valve body having an inlet and an outlet and a control member in the valve body externally operable by a movable operating member. The control member is pivotable between open and closed positions for selectably controllin...
10/26/1993
5232018Parallel porting valve assembly
A parallel porting valve assembly having a parallel valve body. The parallel valve body forms an inlet channel cavity and an outlet channel cavity. A plurality of plug valves are each mounted within the parallel valve body between the inlet channel cavity...
08/03/1993
5103862Valve and arrangement for fire suppression water sprinkle system
A valve and an arrangement for testing and draining a fire suppression water sprinkler system includes a valve which has a valve member with first, second and third ports. The selective rotation of the valve member interrupts a flow of water through the v...
04/14/1992
5095943Flow path switching apparatus in steam trap
A flow path switching apparatus in an automatic regulating valve includes a base having a fluid inlet and a fluid outlet which are connected to pipes, and an automatic regulating valve portion having an inflow hole and an outflow hole for a fluid to be co...
03/17/1992
5029470Device for measuring or metering and regulating the mass of a flow of gas
The invention pertains to a device for measuring and regulating the mass of a flow of gases by means of a bypass system with a sensor capillary element, a regulating valve, and an electronic component for elucidating and evaluating measurements received f...
07/09/1991
4971109Valve and arrangement for fire suppression water sprinkler system
A valve and an arrangement for testing and draining a fire suppression water sprinkler system includes a valve which has a valve member with first, second and third ports. The selective rotation of the valve member interrupts a flow of water through the v...
11/20/1990
4947891Fuel control device, fuel control system using the device and method of making the device
A fuel control device, system using the device and method of making the same are provided, the device comprising a housing having a passage therethrough for interconnecting a fuel source with a main burner, a throttle valve unit disposed in the passage fo...
08/14/1990
4915132Gas regulator selector valve
A selector valve for use with a hospital vacuum on position in pressure module to supply vacuum or pressure to a utilization means. The selector valve has two or more positions and includes a positive stop at each of its positions through the use of molde...
04/10/1990
4862917Fuel control device, fuel control system using the device and method of making the device
A fuel control device, system using the device and method of making the same are provided, the device comprising a housing having a passage therethrough for interconnecting a fuel source with a main burner, a throttle valve unit disposed in the passage fo...
09/05/1989
4848401Isolation chamber valve
The invention relates to an isolation chamber valve. The isolation chamber valve of the invention includes, for connecting its inlet passage and its outlet passage, a by-pass circuit of small section comprising at least a flap the opening and closing of w...
07/18/1989
4779643Fuel control device, fuel control system using the device and method of making the device
A fuel control device, system using the device and method of making the same are provided, the device comprising a housing having a passage therethrough for interconnecting a fuel source with a main burner, a throttle valve unit disposed in the passage fo...
10/25/1988
4742849Angled pneumatic connection including means for regulating a one-way flow
In an angled connection in accordance with the invention, the one-way flow of fluid at a restricted flow rate is provided in a direction opposite to direction F by co-operation between a wall (23) having fixed orifices and a plug (26) having moving openin...
05/10/1988
4628961Multiple orifice stepper control valve
This invention relates to a control valve including a plurality of rotary closure members respectively blocking and opening a plurality of flow passages extending from one port opening to another port opening included in the valve body. Each of the plural...
12/16/1986
4624281Control valve
A control valve comprises a body having a fluid inlet and a fluid outlet and a rotary member provided with two separate internal passages, each capable of connecting the fluid inlet to the fluid outlet, according to the angular position of the rotary memb...
11/25/1986
4380250Choke unit
In an adjustable choke a restricted choke fluidway takes the form of a groove in the axial face of a plate sealingly resting against a fixed plate, the groove having a cross-section changing along its length. Fluid is let into one end of the groove throug...
04/19/1983
4345622Control and cut-off device for flowing media
Control and cut-off device for media flowing to consumer apparatuses and flow back therefrom. For example, dosing equipment, ventilation assemblies, heating and cooling arrangments, among which also conditioning plants are classified. The valve is then ma...
08/24/1982
4158369Hold-back valve for single release air brakes
A hold-back valve for single release air brakes includes a plug valve member in a chamber of a valve body and rotatable between at least two positions to establish paths of different resistance to flow between air inlet and outlet passages in the valve bo...
06/19/1979
4123036Fuel control system and control device therefor or the like
A fuel control device having a passage therethrough for interconnecting a fuel source with a main burner and having a poppet valve arrangement that is directly manually operated for opening and closing the passage so as to control the flow of fuel from th...
10/31/1978
3956073Coke oven gas and liquor collecting apparatus
Coke oven gas collecting apparatus includes separate gas and liquor collecting mains for charging gas and coking gas connected to the standpipe through a rotary vane liquor seal valve....
05/11/1976
3942499Carburetor improvement system and apparatus
The system and apparatus herein incorporate means for effectively and significantly reducing the liquid components of the fuel mixture passing through a cylinder located between the carburetor and the intake manifold of an internal combustion engine. The ...
03/09/1976
 
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