Class 251/348 - Biased valve

Subclass of Class 251 - Valves and valve actuation
Definition: Devices in which the valve has one position which it will
No. of patents: 31
Last issue date: 03/07/2006

Number	Title	Issue Date
7007502	In-car hydration systems Systems and methods for a liquid delivery system for a race vehicle to provide the driver of the race vehicle with readily available cool fluids are disclosed. One embodiment is directed to an insulated bag mounted in the race vehicle having a collapsible fluid blad...	03/07/2006
6498371	Body-tied-to-body SOI CMOS inverter circuit An SOI CMOS inverter circuit in which a silicide layer in combination with body tie regions tie a p-type body region and an n-type body region together. At the same time, however, the body regions remain floating electrically so that the benefits of SOI a...	12/24/2002
6264166	Hands-free activating valve for use with liquid containers A hands-free activating valve which permits liquid to flow and be ingested by the user. The apparatus includes a mouth portion and a mounting portion which engages to the opening of a container such as a water bottle. Embedded within the mouth portion is ...	07/24/2001
6021801	Valves A fluid product valve in which an elastic member containing a normally closed slit is adapted to be selectively stretched by displacement of an actuating member, such as to stretch open the slit over the outlet end of a product discharge passage and allow...	02/08/2000
5971357	Fluid delivery valve A fluid delivery valve for use in fluid conducting systems includes a rigid bracing member positioned within a hollow, flexible, resilient valve housing. By applying opposing lateral forces to the external surface of the housing near a widened portion of ...	10/26/1999
5924678	Bite-valve The present invention relates to a bite-valve (1) for the watering of animals including a mounting part (3) and an outlet part (4). The valve-mechanism for the opening and closing of the fluid flow through the bite-valve (1) is housed in the mounting part...	07/20/1999
5749561	Plug assembly A plug assembly (2) which can be used in a drain, sink or bath (5). The plug (2) is of the pop up type being spring biassed into an open position. The plug (2) includes inter-engaging means for engagement of the plug (2) with a waste pipe (3) and means to...	05/12/1998
5492148	Rinsing assembly with swivel actuating valve A rinsing assembly has a swivel actuation valve disposed between a riser pipe member and second pipe member. The swivel actuation valve has an inner body member disposed co-axially within an outer body member. The outer body member is axially movable rela...	02/20/1996
5265847	Squeeze valve with augmented sealing A self closing squeeze valve comprising a resilient and deformable valve body having a cavity into which a wafer made of closed cell foam with a smooth surface is permanently inserted, causing a normal state of blockage and seal. Lips are provided across ...	11/30/1993
5222716	Flow control device A flow control device has two half-bodies (76, 79) connected to one another with the interposition of an annular seal (92) and forming together a body defining a flowpath (81) between two openings (82, 83), each of which is associated with one of the half...	06/29/1993
5127694	Vacuum manipulator A vacuum manipulator having a spool valve mounted in a sliding fashion in a guide channel at the bottom of which are two holes in communication with two duct segments with one segment intended to be connected to a suction source, and a longitudinal guide ...	07/07/1992
5010913	Fluid bleed apparatus An apparatus for bleeding or purging fluid from a fluid line includes a bleed valve permanently affixed to the wall of the fluid line and a valve actuator releasably connected to the bleed valve which is operative to move a spring-biased, one-way valve me...	04/30/1991
4860991	Safety valve A safety valve where weight and length and consequently the cost is reduced to a minimum. A longitudinally moveable flow tube controls the movement of a valve closure element, a biasing mechanism biases the tube to a closed position, and a piston and cyli...	08/29/1989
4856756	Well bottom release valve A valve assembly for draining water from a well pipe to facilitate the flushing of the pipe or to reduce its weight when removing the pipe from the well without separating the components of the pumping system which are all securely connected. The valve as...	08/15/1989
4852624	Tire inflation device for emergencies A flat tire inflation device for emergencies is provided which includes a flexible hose a supply chuck that is temporarily securable to a inflated tire by means of a spring loaded retaining clip and having a pressure gauge on the inflation chuck at the ot...	08/01/1989
4690375	Self closing squeeze valve An improved self closing squeeze valve for use with fluid dispensing containers comprising a resilient and deformable valve body into which one or two wafers of similar material are permanently inserted causing a normal state of blockage and seal. Manual ...	09/01/1987
4667931	Cam-actuated diaphragm valve A cam-actuated valve is provided which includes a valve chamber having a poppet valve therein. A diaphragm separates the exterior of the valve body from fluid contained within the valve chamber. An actuator sleeve is positioned on the body for rotational ...	05/26/1987
4637471	Tubing drain valve useful with heavy, sand-bearing oil The present invention is directed to an apparatus and method for providing a tubing drain valve suitable for use in a borehole. The present invention is particularly useful in connection with production strings employed in wells producing heavy, sand-bear...	01/20/1987
4544133	Shut-off valve for a sprayer A shut-off valve for a sprayer which includes an O-ring seal circumscribing the valve stem and serving the dual function of a packing seal between the stem and valve housing at all times as well as preventing fluid flow through the valve when the stem is ...	10/01/1985
4524800	One-way brake bleeder check valve with sealing cap A one-way brake bleeder check valve is shown for use in bleeding entrapped air from the hydraulic wheel brake cylinders of automobiles and the like. This brake bleeder valve has a one-piece valve body that is mounted as a permanent part of a wheel brake c...	06/25/1985
4522592	Valve structure for an oral evacuator system A hand-held valve structure for use with an oral evacuator system of the type which includes a vacuum source/waste disposal unit connected to the valve structure through a flexible vacuum hose. The valve structure includes an elongated body member having ...	06/11/1985
4476892	Dual purpose refrigerant connector A connector used in resupplying refrigerant is adaptable to provide a leakproof connection with either a Schroeder-type valve or a standard or service-type valve fitting....	10/16/1984
4475566	Press taps A tap operated by a push button which acts to open a valve member which is biassed to the closed position, the valve member being for normal operation of the tap; also operated by the push button is a seal piercing means which pierces a diaphragm in or ad...	10/09/1984
4421297	Self-closing fluid dispensing valves Self-closing fluid dispensing valves particularly for use with soft flexible fluid containers. The valves include a tubular outer housing having one end attached to the fluid container and an inner coaxial tubular barrel which may be rotated to align flui...	12/20/1983
4397442	In-line sleeve valve An improved in-line sleeve valve comprises a modular tubular port having a stationary plug concentrically supported therein and a reciprocating tubular sleeve arranged for sealing against the stationary plug. A resilient, flexible flange connects the tubu...	08/09/1983
4162691	Tubular valve device Valve apparatus may comprise a first tubular member; a second tubular member telescopically engaging the first tubular member for axial movement between a retracted position and an extended position, the first and second tubular members forming flow passa...	07/31/1979
4088298	Check valve assembly A check valve assembly for permitting unrestricted flow in one direction and limited flow in the reverse direction comprising: a valve body having a longitudinal flowbore therethrough; a seat member carried by the valve body; a closure member carried by t...	05/09/1978
4081176	Valve for an oral evacuator system A specific embodiment provides a valve structure for an evacuator system adapted to be connected to a source of negative pressure. The valve structure includes an elongated housing having a longitudinal bore extending through the housing, and a valve seat...	03/28/1978
4069686	Coupling for use in servicing air conditioning systems A coupling for attachment to air conditioning systems to prevent leakage of refrigerant fluid during testing and servicing thereof. The coupling includes an elongated outer housing adapted to be attached at one end to an air conditioning system. The housi...	01/24/1978
4015336	Valve for an oral evacuator system A specific embodiment provides a valve structure for an oral evacuator system adapted to be connected to a source of negative pressure. The valve structure includes an elongated housing having a longitudinal bore extending through the housing, a valve sea...	04/05/1977
3971541	Manually operable self-closing valve A valve having two body members and elastic means connected therebetween to normally bias the valve into the closed condition. The valve is opened by pulling one body member away from the other, and it closes automatically upon release. Biasing spring mea...	07/27/1976

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Class 251/348 - Biased valve