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Class 251/30.03 - Venting passage within movable main valve


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter in which the valve is opened by releasing
No. of patents: 176
Last issue date: 04/23/2013


1          
NumberTitleIssue Date
8424836Bidirectional force feedback poppet valve
A valve has a valve body including a main chamber having a first port and a second port, and a main poppet disposed within the main chamber. The main poppet includes a first surface forming a control chamber within the main chamber. The valve has a first passage com...
04/23/2013
8336848On-off flow valve
An on-off flow valve extends along an axis and has a valve body through which a supply duct and a delivery duct pass; a main shutter assembly; and a cover fitted to the valve body by means of a snap-on coupling system. ...
12/25/2012
8172197Fast-acting pneumatic diaphragm valve
A fast-acting, pneumatic diaphragm valve includes a diaphragm valve closure member, a pneumatic piston that provides a closure force on the closure member, and a solenoid pilot valve that controls pressurized air to the piston to cause the piston to move in a recipr...
05/08/2012
7806382Co-axial solenoid and pressure regulator for diaphragm valve
A valve assembly comprises a diaphragm valve, a pressure regulator and a solenoid. The pressure regulator is operatively coupled to the diaphragm valve for maintaining a predetermined pressure in water exiting the diaphragm valve despite fluctuations in the pressure...
10/05/2010
7703740Clog resistant pilot valve
A clog resistant, pilot operated pilot valve having two fluid paths, one path for fluid flow from the valve input to the valve output, and the second path for fluid flow through input and output pilot apertures. The opening and closing of the pilot apertures control...
04/27/2010
7357367Embedded high temperature valve
A high temperature valve for controlling gas flow includes an outer vessel, a valve housing, and a valve element. The valve housing is disposed at least partially within, and is at least partially surrounded by, a propellant gas flow passageway that is formed in the...
04/15/2008
7341236Pilot operated valve with a pressure balanced poppet
A pilot operated valve has a main poppet that selectively controls flow of fluid between first and second ports in response to pressure in a control chamber on one side of the main poppet. The main poppet has an aperture extending between the control chamber and the...
03/11/2008
7341320Electromagnetically actuated valve
An electromagnetically actuated valve including a housing having a fluid path and a valve retaining bore located in course of the fluid path, a tubular valve casing mounted to the valve retaining bore, a valve body electromagnetically operative to axially move withi...
03/11/2008
7337991Accessory for air blast and device equipped with accessory
The invention relates to an accessory adapted to be mounted on the end of an outlet conduit (4) of an air blast device (1). The accessory is in the form of a tube having an inlet, an outlet and a central passage therethrough, the axial passage or tube ...
03/04/2008
7337798Gas supply apparatus
A gas line (120) for supplying hydrogen gas and a harness (110) for supplying power to an electromagnetic valve are connected to an electromagnetic valve mechanism (200). The length of the harness (110) from a connecting member (111
03/04/2008
7325781Automatic bathroom flushers with modular design
A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou...
02/05/2008
7308909High pressure three way valve
A solenoid operated valve includes a fluid inlet and a fluid inlet, a common port, a normally open port and a normally closed port combined on an end cap. The valve further includes a coil housing that houses two coils, a first coil and second coil, that are in para...
12/18/2007
7270310Electromagnetic valve and vapor fuel treating system applying the same
A first connecting pipe of an electromagnetic valve connects with the fuel tank, and a second connecting pipe connects with a canister. A spring urges a moving core and a first valve body in a closing direction of a electromagnetic valve. A shaft of the first valve ...
09/18/2007
7234353Non-fluid acoustic coupling
An apparatus examines the internal structure of an object disposed substantially in a medium such as air. The apparatus has an acoustic transducer assembly that emits and receives acoustic signals and an acoustic coupler that acoustically couples the acoustic transd...
06/26/2007
7232110Automatic flush actuation apparatus
An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with...
06/19/2007
7232106Tilted and stepped diaphragm for control valves
A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a...
06/19/2007
7232107Control valve having a filter screen mounted flush with a valve closure member surface
A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a...
06/19/2007
7198249Electromagnetic shuttle valve
An electromagnetic shuttle valve with two valve passages (5, 6) provides an increased cross-section of the second valve passage (6) by increasing the diameter of the second valve closure member (8). To this end, a compression spring (17) ...
04/03/2007
7188822Enclosures for automatic bathroom flushers
A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou...
03/13/2007
7175157Fluid controller
A fluid controller, wherein the recessed port (25) of a body (22) is formed of larger diameter part (25a) near an opening and a small diameter part (25c) continued to the lower part of the large diameter part (25a
02/13/2007
7168415Electronically controlled selective valve system for fuel level balancing and isolation of dual tank systems for motor vehicles
A vehicle chassis with at least two fuel tanks with each of the fuel tanks having fuel level detector or sender. The level senders are engaged to an electronic controller. The individual tank draw lines from each tank come together at a control valve that has a sing...
01/30/2007
7163188Solenoid valve for fluid flow
A solenoid valve is provided that comprises a valve body having an inlet and an outlet, and a movable member for moving a valve element away from a valve seat to open the valve. The moveable member engages and moves the valve element away from the seat to an open po...
01/16/2007
7156363Bathroom flushers with novel sensors and controllers
A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl...
01/02/2007
7154326Dither amplitude correction for constant current drivers
In satisfying the above need, as well as overcoming the enumerated drawbacks and other limitations of the related art, the present invention provides an improved switched driver circuit. As disclosed above, there is a need to compensate for the high impedance load c...
12/26/2006
7143992Device for regulating the flow of a fluid, in particular for solenoid valves
A device (RF) for regulating and/or stabilizing the flow of a fluid comprises a single body (20), envisaged for insertion in a pipe for passage of the fluid, in particular the inlet pipe of a solenoid valve (1). According to the invention, in the singl...
12/05/2006
7137406Self-cleaning filter
A self-cleaning filter for use in a valve is disclosed. The valve can include a bore, an orifice disposed in the bore for accommodating a fluid flow therethrough, and a filter disposed in the bore between the input port of the fluid flow being filtered and the orifi...
11/21/2006
7124997Flush valve assembly with flex tube
A toilet room flush valve includes a body with an inlet and an outlet and a valve seat therebetween. A valve assembly in the body is positioned to close upon the seat to control flow from the inlet to the outlet. A cover is mounted upon the body and defines a pressu...
10/24/2006
7104132Acoustic coupling with a fluid bath
An apparatus examines the internal structure of an object disposed substantially in a medium such as air. The apparatus has an acoustic transducer assembly that emits and receives acoustic signals and an acoustic coupler that acoustically couples the acoustic transd...
09/12/2006
7089961Fluid energy reduction device
A fluid energy reduction device especially for a flow control valve has a fluid inlet and a fluid outlet separated by a plurality of stacked plates in the form of a trim stack. Each plate of the stack has a plurality of rows of discrete, spaced columns that extend t...
08/15/2006
7083156Automatic proximity faucet with override control system and method
A hands-free device includes a sensor, a motor, a pilot valve, a gear train, an arm, and, an override control. The pilot motor opens the pilot valve when an activation signal is received from the sensor. The arm is coupled to the gear train, and the override control...
08/01/2006
7080817Electromagnetic valve
A valve of the pilot type including a housing with a circular cylinder end for mounting in a valve base. The housing has an inlet port, an outlet port, an internal cavity, and a flexible membrane dividing the cavity into a flow chamber and control chamber. The inlet...
07/25/2006
7069941Electronic faucets for long-term operation
An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op...
07/04/2006
7063103System for converting manually-operated flush valves
Disclosed is a method and system for converting or retrofitting manually-operated flush valves. A conversion system for converting an installed manually-operated flush valve includes a power module, a control module, and a driver module mechanically coupled to a man...
06/20/2006
7063077Electromagnetic valve-actuated control module for controlling fluid in injection systems
The invention relates to a control module for fluid control in injection systems, having a valve body (2) in which valve needles (6, 24) of control valves (5, 17) are received. With these control valves (5, 17), the pressure buildup or pr...
06/20/2006
7055389Acoustic coupling with a fluid retainer
An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1-200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acoustic ...
06/06/2006
7028975Flush valve structure
A flush valve structure to control flush water through a pressure difference mainly includes a case, a solenoid assembly, an upper intermediate board, a lower intermediate board and a main water ball. The upper intermediate board has a small water pressure release h...
04/18/2006
7028976Closure element, especially a valve cone for a continuous pressure valve
A closing body is mounted in an axially displaceable manner in a bore of a fluidic valve to control a pressure medium flowing via the valve. The closing body has a sealing section, interacting with a seating edge of valve, and a guide section which serves to guide t...
04/18/2006
7007915Low energy fluid actuator control element
A pilot valve has: an input passageway, an output passageway, a rotatable shaft disposed between them, a permanent magnet affixed to the rotatable shaft, an electromagnet, a control element, and a failsafe magnet. The rotatable shaft has a slot that gives the rotata...
03/07/2006
7007672Internal combustion engine starting system
The invention relates to a starting system (1) for an internal combustion engine comprising pressurized fuel supply means (3), an accumulator means (2), which is supplied with pressurized fuel by said supply means, and at least one injection mea...
03/07/2006
6997169Fluid valve assembly
To protect a drive unit in a fluid valve assembly from impurities over a long term by preventing entrance of such impurities to the drive unit, a seal structure the sealing performance of which is hardly reduced is adopted around a moving part of the fluid valve ass...
02/14/2006
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