Class 137/457 - Thermal

Subclass of Class 137 - Fluid handling
Definition: Apparatus in which the valve is closed in response to a
No. of patents: 26
Last issue date: 05/22/2007

Number	Title	Issue Date
7219687	Resettable bi-stable thermal valve A resettable thermal valve for controlling the flow of a fluid therethrough comprises a valve assembly housing having a fluid passageway therethrough and a valve coupled to the valve assembly housing and disposed at least partially within the fluid passageway. The v...	05/22/2007
7178548	Dry safety device for an inflammable gas A dry safety device for an inflammable gas comprises a case main body having a gas passage which terminates at one end in a primary side open port connectable to a source of inflammable gas and terminates at the other end in a secondary side open port connectable to...	02/20/2007
7000850	Anti-scald water valve assembly An anti-scald water valve assembly comprises a body including a passage for water, a valve provided in the passage for shutting off the passage, and an electro-mechanical actuator to cause closing of the valve. A temperature sensor senses the temperature of water ru...	02/21/2006
6953045	Gas delivery system The present invention includes apparatus for linking a high-pressure gas source to equipment, so that the pressure can be reduced while maximum flow can be maintained. In one embodiment, the apparatus includes a motor valve, a control valve, a buffer tank, and an ou...	10/11/2005
6905547	Method and apparatus for flexible atomic layer deposition An apparatus with a processing chamber subjects a substrate to atomic layer deposition and deposits a film layer. The processing chamber includes at least a first gas switching port. A gas switching manifold is coupled to the processing chamber and configured to mix...	06/14/2005
6819969	Chemical vapor deposition process and apparatus for performing the same An apparatus and a method for performing a chemical vapor deposition process that reduces particle contamination of a wafer, wherein a cleaning gas including a fluorine radical is introduced into the process chamber to clean the chamber. After loading a wafer in the...	11/16/2004
6550495	Safety device for cutting off gas pipelines A thermal safety device for cutting off gas pipelines, wherein gas transfer is prevented by the safety device when temperature increases in the section of the gas pipeline placed downstream from the safety device, especially when connected gas apparatuses...	04/22/2003
6439260	Easy to use residential water supply system for preventing winter flood damage Electrical control circuitry is provided for normally maintaining an electrically controlled water supply valve in an open condition and an electrically controlled water drain valve in a closed condition when a home is occupied and for arming the system b...	08/27/2002
6345641	Fluid-activatable device for shut-off under excess flow conditions A fluid-activatable shut-off device, configured as a shut-off valve, has a valve housing formed with a flow passage therethrough and a movably supported valve body, which is movable between an open valve position and a closed valve position. In the open v...	02/12/2002
6202667	Apparatus and method for stopping the propagation of ignited flammable gas in a conduit An apparatus and a method for stopping the propagation of an ignited flammable gas in a conduit used in semiconductor processing are proposed and described. In the apparatus, a mounting mechanism and a bullet are provided inside an elongated conduit body ...	03/20/2001
6155289	Method of and system for sub-atmospheric gas delivery with backflow control A sub-atmospheric gas delivery system (100) with a backflow control apparatus (10) for preventing backflow into the sub-atmospheric gas source (14). The gas delivery system includes three fluidly coupled sticks: a purge stick (120), a process gas delivery...	12/05/2000
6125872	Temperature activated diversion valve A temperature activated diversion valve for supplying a first inflow fluid as an outflow fluid and for switching to supply a second inflow fluid as the outflow fluid if the first inflow fluid reaches a specified temperature. The temperature activated dive...	10/03/2000
5836338	Thermal safety device for automatically sealing conduits The invention concerns a thermal safety fitting in which the closure motion of the obturator is longitudinal with respect to the obturator seat. The aim is to avoid lateral excursions of the obturator, while keeping manufacturing costs and structural size...	11/17/1998
5577532	Valve actuator An actuator has been developed for actuating a valve for controlling fluid flow in a conduit, the actuator having, in one aspect a housing with a main interior housing space, a rod with a mid-portion, a top end and a bottom end, the mid-portion movably di...	11/26/1996
5560541	Anti-scald valve for bathroom showers A hot water shut off valve for use for domestic household water shower use which shuts off excessively hot water. The valve generally includes an water inlet source opening to an inner chamber. The inner chamber has an outlet source at the base of said ch...	10/01/1996
5477877	Overtemperature shut-off valve with sealing spring for automatically shutting off conduits The described invention takes as its basis the problem of developing an overtemperature shut-off valve which guarantees a reproducible gas-tight seal. The problem is solved in that the metal closure body (11) has a spherical shape at least in its sealing ...	12/26/1995
5398794	Overheating protection device for rotational control apparatus A device (110) for protecting a clutch (C) against overheating from externally caused problems such as rapid cycling is disclosed including a heat conductive plug (120) sealed in an escape port (116) of a fitting (112) by fuse material (124) such as lead....	03/21/1995
5201336	Fire safe valve A fire safe valve which includes a body having an inlet, an outlet, a valve chamber communicating with the inlet and the outlet and having an opening, a bonnet secured to the body and having a bore therethrough with the opening of the bore communicating w...	04/13/1993
4822570	Thermal sensing apparatus in outlet nozzle A valve supports a thermal sensing apparatus within an outlet nozzle of a reaction vessel. The valve includes a head with a socket closed by a disc and a stem providing a bore communicating with the socket and a measuring end defined by the disc. The sens...	04/18/1989
4775101	Safety valve A safety valve for a fluid delivery system having a duct in which the safety valve is housed. The safety valve comprises a temperature sensitive means through which fluid passes, this temperature sensitive means being connected to a retaining means which ...	10/04/1988
4650154	Blanking cover for pipe A blanking cover for a pipe comprises a plate able to close the pipe by tilting or rocking under the action of gravity, about a pivot pin to which it is fixed. A part is fixed to the pin, and an electromagnet able to retract the part and fixed to another ...	03/17/1987
4562853	Downhole fire control A plurality of valve structures are incorporated in a drill pipe string for drilling a well into the earth utilizing air as the drilling fluid. A first valve is located in the drill pipe string just above the drilling bit, and an additional valve or valve...	01/07/1986
4549717	Heat responsive valve A safety valve responding to overheating conditions of the surrounding atmosphere, more specifically a combustion gas inlet valve that closes when a fire declares. The valve uses a shape-memory element for detection and command. For the latter function it...	10/29/1985
4480784	Hot water cutoff safety valve for showers A hot-water safety valve for preventing scalding of children and invalids when cold water supply to a mixing valve for a shower is interrupted, includes a thermostatic cup freely resting on a perforate transverse platform in a supply pipe upstream from a ...	11/06/1984
4313794	Self-actuating and locking control for nuclear reactor A self-actuating, self-locking flow cutoff valve particularly suited for use in a nuclear reactor of the type which utilizes a plurality of fluid support neutron absorber elements to provide for the safe shutdown of the reactor. The valve comprises a subs...	02/02/1982
4143812	Thermosensitive safety valve There is disclosed an apparatus and method for a thermosensitive safety valve to restrict a supply of fluid in a fluid delivery system when the temperature of the fluid reaches a predetermined temperature. A bimetal reed is utilized in which its unattache...	03/13/1979

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Class 137/457 - Thermal