Class 200/83P - Snap action

Subclass of Class 200 - Electricity: circuit makers and breakers
No. of patents: 178
Last issue date: 01/20/2009

Number	Title	Issue Date
7479609	Adjustable snap action switch A snap action switch (12) which includes an M-type actuator having an actuation location that can be depressed to cause a middle contact to snap up against an upper contact, and which can be released to cause the middle contact to snap down against a lower co...	01/20/2009
7414208	Ultra low pressure switch adjustment system An ultra low pressure switch adjustment system for efficiently differentiating between varying triggering pressures. The ultra low pressure switch adjustment system generally includes a housing including a first aperture and a second aperture, wherein said housing i...	08/19/2008
7365277	Buffer assembly for a pressure sensitive switch A buffer assembly includes a housing adapted to sealingly connected to the pressure switch and defining therein a chamber and an airway defined in a bottom face of the housing to communicate with an interior of the housing so as to communicate with an inlet of the p...	04/29/2008
7360429	High sensitivity pressure actuated switch based on MEMS-fabricated silicon diaphragm and having electrically adjustable switch point A pressure actuated switch for a pressure control region includes a diaphragm with a first electrically conductive surface and a second conductive surface electrically isolated from the first conductive surface. The switch also includes an evacuated cavity disposed ...	04/22/2008
7348509	High pressure switch with isolated contacts A pressure switch employs electrical contacts isolated from pressure media. By employing a snap action blade in a snap over center configuration, it is possible to provide a hysteresis effect in which the switch actuates at one pressure and deactuates at a different...	03/25/2008
7303019	Viscoelastic surfactant fluids and associated diverting methods Provided are treatment fluids that comprise an aqueous base fluid, and a methyl ester sulfonate surfactant, and associated diverting methods of use. In one embodiment, the present invention provides a method of treating a subterranean formation comprising: providing...	12/04/2007
7299874	Viscoelastic surfactant fluids and associated methods Provided are treatment fluids that comprise an aqueous based fluid, a water-soluble salt, and a methyl ester sulfonate surfactant, and associated methods. In one embodiment, a method of treating a subterranean formation is provided, the method comprising: providing ...	11/27/2007
7256361	Pressure switch A pressure switch includes a body, a lower cap and an upper cap respectively mounted to two opposite ends of the body. A casing is airtightly sleeved on an outer periphery of each of the lower cap and the upper cap. There are two electrodes disposed in the body and ...	08/14/2007
7241069	Universal joint arrangement between an apparatus holder and a support arm or a console In a universal joint arrangement between an apparatus holder and an apparatus support console including a receiver element mounted to the console, a ball joint element projecting from the holder, a ball element for engaging the ball joint element and the receiver el...	07/10/2007
7174778	Control device for a motor vehicle Control device for a motor vehicle, particularly for controlling a gearbox, with an electronic control circuit arranged on a support plate in a housing; for measurement of the hydraulic pressure, a measuring transducer is connected to a hydraulic unit of the gearbox...	02/13/2007
7159659	Viscoelastic surfactant fluids and associated acidizing methods Provided are treatment fluids that comprise an aqueous base fluid, an acid, and a methyl ester sulfonate surfactant, and associated methods of use. In one embodiment, the present invention provides a method of acidizing a subterranean formation comprising: providing...	01/09/2007
7161476	Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ...	01/09/2007
7157654	Pressure switch with protection of the membrane against over-stretching A pressure switch for pressures up to a maximum permissible pressure (pmax), with a housing (1) and a membrane (2), whereby the membrane is fastened in the housing. The membrane has an exposed face on which a pressure can act, and it is defo...	01/02/2007
7138594	Push switch A push switch includes an insulative housing (1), a pair of fixed terminals (2), a moveable contact (3) and an actuator(4). The insulative housing (1) made of insulative material has a base (10), a plurality of periphery wal...	11/21/2006
7112753	Pressure switch A water pressure switch employs two pivotable plates and springs to control the activation of the pump. The arrangement of the two pivotably plates, the springs and the activation device reduces the space required so that a small box can accommodate all the parts.	09/26/2006
7093451	Blowoff valve assembly with integrated pressure switch A blowoff valve assembly includes a diaphragm separating a refrigerant connection from an ambient port open to the atmosphere. The refrigerant connection is preferably connected to air conditioning system such that the diaphragm is in contact with refrigerant from t...	08/22/2006
7078637	Low air pressure switch for automobile A low air pressure switch for an automobile is formed in a water resistance structure in which a connector has an integral terminal and switch body so that a moisture input passage into the interior of a switch is fully disconnected. An air outlet for an air dischar...	07/18/2006
7071430	Adjustable pressure element, particularly for electric household appliances The sensor comprises a body in which a diaphragm is mounted so as to define a variable-volume chamber to which a fluid pressure is supplied in use, and a plurality of electrical switches connected to the diaphragm so that the diaphragm can bring about switching of t...	07/04/2006
7019629	Tire pressure indicator A tire pressure indicator is disclosed including a housing having an inlet for air under pressure, a sealed chamber, the chamber containing a gas under pressure, a signaling device having an electrical power source arranged to generate an electrical signal indicativ...	03/28/2006
7011726	Method of fabricating thin dielectric film and thin film capacitor including the dielectric film A method of fabricating a thin dielectric film, a thin dielectric film formed according to the method, and a system including the thin dielectric film. The method includes: depositing a ceramic precursor material on a metal sheet, the ceramic precursor material incl...	03/14/2006
7012207	Switch for electric tool To electrically connect switch terminals of a housing and a control member in a switch for an electric tool with ease and to prevent the electric connection from becoming incomplete even when vibration occurs, elastic bodies for maintaining an electric connection ar...	03/14/2006
6998555	Miniswitch An electrical miniswithch comprising a case including a case part forming a base having several electrical terminals extending therefrom, and a case part forming a cover, an instantaneous switching mechanism located in the case and comprising a flexible conducting b...	02/14/2006
6946608	Pyromechanical battery pole disconnect element A pyromechanical battery pole disconnect element, includes a housing (1) in which an electrical conductor is located, a pyrotechnic active element (14) including a breaking piston with a disconnect element (7) to sever the electrical conductor a...	09/20/2005
6919521	Pressure sensor A pressure sensor integrated onto an electronic circuit substrate. The pressure sensor measures the effect of the ambient air pressure on a characteristic of the pressure sensor that can be translated into a variable pressure measurement. Another embodiment of the p...	07/19/2005
6740828	Arm and safety switch An arm and safety switch for ammunition rounds, such as a 120 mm multipurpose tank round, senses launch detonation pressure. The switch will not arm the projectile if the pressure detected is less than or equal to a first predetermined pressure characteristic of a m...	05/25/2004
6633010	Compact, sealed pressure switch A pressure switch 1 of this invention comprises a base electrode 2, a terminal 3, a disc 4 and a diaphragm 5. The base electrode 2 has a switching chamber 7 for inserting the contact part 3a of the terminal 3. The switching chamber 7 is sealed with an ins...	10/14/2003
6596951	Snap disc pressure switch A pressure switch is provided for opening and closing an electrical switch based on a pressure set point. The pressure switch includes a housing having walls defining a fluid chamber adapted to receive a fluid. The pressure switch also includes a snap dis...	07/22/2003
6525286	Triple action pressure switch A triple action pressure switch includes a first inversion plate, a first sliding member including an annular protrusion to the lower surface thereof, a second inversion plate with the upper surface thereof abutting against the annular protrusion, a secon...	02/25/2003
6495777	Pressure switch A pressure switch. The switch includes a pressure sensor device adapted for receiving the input pressure and then moving the link rod due to the deformation caused by the input pressure. The switch includes a contact point fine-tuner having a first contac...	12/17/2002
6346681	Pressure switch A pressure switch having a pressure responsive diaphragm with a backing plate for operating a snap-acting switch. The switch has a cantilevered contact blade spring with an adjustment screw providing a reaction support at the free end. The middle portion ...	02/12/2002
6329619	Pressure switch A pressure switch comprises a switch lever 8 equipped with a switch contact and a working shaft contact portion 82, and a working shaft 6 driven by the pressure of a fluid so as to close or open said switch contact, wherein said contact portion 82 has a s...	12/11/2001
6313419	Pressure responsive electrical switch A pressure responsive electrical switch (10) has a base (12) formed with a bottom wall (12a) having a top surface (12b) formed with a generally disc seat (12c). A recess (12d) is formed in the bottom wall through the top surface within the area defined by...	11/06/2001
6091034	Low cost fluid pressure responsive electric switch having increased longevity A fluid pressure responsive electrical switch (10) is shown having a generally flat base (12) formed with an annular recess (12e) which receives therein the distal free end of a cup-shaped resilient membrane (16) captured by the distal free end of a tubul...	07/18/2000
6064014	Pressure responsive electric switch assembly and method for making As assembly of normally open pressure responsive electric switches (10a-10e) is provided using a single lead frame (8) for forming respective discontinuous annuli (12) to serve as contact surfaces for pressure responsive discs (42) and a center contact (1...	05/16/2000
5937898	Overmolded frame bus with integral pressure switch A valve assembly having solenoid valves mounted on a manifold or block for, upon energization, controlling flow in selected passages. A bus frame of overmolded bus strips has portions of the strips exposed for connection directly to the solenoids. A press...	08/17/1999
5932857	Pressure switch with biaxially oriented thermoplastic diaphragm A pressure responsive electric switch (10) is shown having an improved flexible diaphragm (28) to extend the useful life of the switch particularly when used with fluid media of a corrosive nature. The flexible diaphragm (28) comprises a base layer (28a) ...	08/03/1999
5917164	Pressure-sensitive switch with polyphenylene sulfide resin receiving member A pressure-sensitive switch typically used in an automobile engine room comprises: a housing having a passage communicating with a pressurized fluid path; a switch case fixed to the housing; a diaphragm contained in an interior space defined by the housin...	06/29/1999
5889247	Normally closed, pressure responsive electrical switch A normally closed, fluid pressure responsive electric switch (10) has an electrically conductive body (12) formed with an orifice (12a) leading to a pressure chamber (12c) which is separated from a switch chamber by a flexible member (14). An annular supp...	03/30/1999
5872345	Pressure switch A pressure switch includes a switch housing which has an accommodation bore extending inward from one end of the switch housing, and a slide bore extending between the accommodation bore and the other end of the switch housing. A piston is slidably dispos...	02/16/1999
5814779	Fluid pressure responsive electric switch A fluid pressure responsive electric switch (100) is shown in which first and second discrete electrical switches are controlled. A first movable support ring (122) mounts first and second snap acting discs (120a, 124a) on opposite sides thereof, the disc...	09/29/1998

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Class 200/83P - Snap action