Class 337/362 - Bimetallic element unitary with or directly actuates contacts

Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter including at least one bimetallic element
No. of patents: 35
Last issue date: 11/06/2007

Number	Title	Issue Date
7292131	Heat-sensitive switch and a heat-sensitive switch assembling method A heat-sensitive switch includes a first terminal, a second terminal away from the first terminal, a reverse spring reversing at a set temperature and having an opening part and positioned between the first and second terminals, and a junction spring positioned betw...	11/06/2007
7209336	Double-protection circuit protector A circuit protector is connected in a circuit to protect the circuit from overloading. The circuit protector includes a casing inside which first and second terminals electrically connected to the circuit are fixed. A first cantilever member is fixed to the first te...	04/24/2007
7112362	Thermally movable plastic devices and toys In accordance with the invention, thin bodies of plastic, such as sheets or strands, with substantially different thermal coefficients of expansion are laminated together to make plastic bodies which move in response to heat. The movable plastic bodies can be secure...	09/26/2006
7109840	Protector for electrical apparatus A protector (10) particularly useful for wye-connected three phase electrical motors has a header (12) mounting first and second terminal pins (14) to which L-shaped pin heaters (16) are mounted along with stationary electrical contacts (...	09/19/2006
7071809	Thermal fuse containing bimetallic sensing element A non-resetable, bimetallic thermal switch. The bimetallic thermal switch includes a bimetallic element, first and second electrical contacts, and a component for electrically connecting and disconnecting the first and second electrical contacts based on movement of...	07/04/2006
6734782	Switching device with an actuator element consisting of a shape memory alloy A switching device includes a strip-shaped actuator element including a shape memory alloy, which is connected to a movable contact part of a switching contact. It is intended that an at least largely extended shape has been impressed into the actuator element at an...	05/11/2004
6633222	Battery breaker There is provided a battery breaker comprising a case, a fixed contact which is mounted to the inner bottom surface of one end of the case and is connected to a terminal extending from the case outwards, an elastic movable piece which is mounted such that...	10/14/2003
6538553	Switching element for electric switch A switching element of a sheet of resilient metal having high and low heat-expansive sides, the switching element having a middle leg carrying an electric contact for making and breaking a circuit with a stationary contact on a substrate below, first and ...	03/25/2003
6483418	Creep acting miniature thermostatic electrical switch and thermostatic member used therewith A creep acting thermostatic switch (30) has an oblong, electrically conductive cup-shaped housing (32) formed with a side wall (32b) extending upwardly from a bottom wall (32a). A generally J-shaped creep acting thermostatic member (38) has a short leg (3...	11/19/2002
6342827	Thermal fuse for fixing on a circuit substrate In order to obtain a self-restoring fuse, it is proposed that a planar thermal bimetal snap element (1, 9) is provided that is secured on the circuit substrate (4) with refractory solder on the basis of at least one solder location and that is thermally c...	01/29/2002
6300860	Switch having an insulating support A switch 10 has an insulating support 16 on which a first and a second external terminal 11, 14 are arranged, and a temperature-dependent switching mechanism 19 that, as a function of its temperature, makes between the first and the second external termin...	10/09/2001
6249210	Switch having an insulating support A switch has an insulating support on which a first and a second external terminal are arranged, and a temperature-dependent switching mechanism that, as a function of its temperature, makes between the first and the second external terminal an electrical...	06/19/2001
6236299	Auto tripping key switch This invention is related to an auto tripping key switch, comprising a switch housing being formed with at least one guide groove and one slideway at an inner side thereof; a first contact plate and a second contact plate that are fastened to the switch h...	05/22/2001
6191680	Switch having a safety element A switch (10') has one first and at least one second external terminal (11, 14) as well as a temperature-dependent switching mechanism (19) that makes, as a function of its temperature, an electrically conductive connection between the two external termin...	02/20/2001
6133817	Temperature-dependent switch A temperature-dependent switch 10 has two connection electrodes 12, 13 mounted on an insulating support 11 as well as a switching mechanism 27 that, as a function of its temperature, makes an electrically conductive connection between the two connection e...	10/17/2000
6130596	Auto tripping multi-state key switch This invention is related to an auto tripping multi-state key switch, comprising a switch housing being formed with at least one guide groove and one slideway at an inner side thereof; a first contact strip and a second contact strip both fastened to the ...	10/10/2000
6097275	Motor starting and protecting apparatus A motor starting device (1) has a thermostatic element (14) of a first switch circuit (11), a first resistive heater (13) serially connected to the first switch circuit, a thermostatic element (22) of a second switch circuit (21) and a second resistive he...	08/01/2000
6097274	Switch having a temperature-dependent switching member and a substantially temperature-independent spring element A switch comprises a first and a second external terminal as well as a temperature-dependent switching mechanism that creates, as a function of its temperature, an electrically conductive connection between the two external terminals for an electrical cur...	08/01/2000
6091316	Switch having a temperature-dependent switching mechanism A switch is described, having a housing 12 which receives a temperature-dependent switching mechanism 11 and which has a first housing part 15 on whose inner base 25 a first electrode 24 connected to a first external terminal 23 is arranged, as well as a ...	07/18/2000
6020807	Sealed case hold open thermostat A thermostat includes a case, including an exterior, that is made of conductive material. A cover plate is made of a conductive material. The cover plate is connected to the case to define a sealed interior. The cover plate has a contact projecting into t...	02/01/2000
5982269	Electric switch and thermal protector A switch with a cantilevered leaf spring as the movable bi-metal contact lever can be switched "ON" or "OFF" by a rocker pivoted in the housing. No lost motion plunger is required and no centor terminal is provided in the housing bottom wall. The contact ...	11/09/1999
5894259	Thermal trip unit with magnetic shield and circuit breaker incorporating same A solenoid type magnetic trip assembly for a molded case circuit breaker includes an armature biased against an adjustable stop by a tension spring to set the initial gap for the magnetic trip, so that the spring bias remains constant for the full range o...	04/13/1999
5877671	Temperature controller having a polyimide film A temperature controller comprises a bimetallic switching mechanism that switches in response to a predetermined temperature, a lower housing part receiving the switching mechanism, a cover part closing off the lower housing part, and a substantially iner...	03/02/1999
5870014	Thermally actuatable auxiliary electrical switch apparatus A thermally actuatable auxiliary switch (10, 10', 100) used with a refrigerator compressor system (60) has a generally U-shaped bimetallic element (12) mounted at one end on a base plate (16, 16', 102) and with a movable contact (28) mounted on the high e...	02/09/1999
5861794	Thermal circuit breaker apparatus An open ended cup shaped housing (12) has first and second spaced electric terminals (14,16) extending through the bottom wall of the housing into a switch chamber with a snap acting, current carrying disc (18) cantilever mounted on one terminal and havin...	01/19/1999
5854585	Manual reset electrical equipment protector apparatus A manual reset electrical protector (10, 10') has a reset assembly (26, 26') having a guideway (28a, 28a') and track (28c, 28c') in which a slide member (30, 34, 34') is movable between a protracted position interrupting the movement of a movable electric...	12/29/1998
5847638	Thermal circuit protector and switch The circuit protector and switch has fixed and movable contacts. The movable contact is provided on the free end of a lever that is made in part from a bi-metallic element. Normally, this lever serves to open or close the contacts as a rocker is moved bet...	12/08/1998
5828286	Temperature-dependent switch A temperature-dependent switch comprises a housing having a lower housing part and a cover part capping said lower housing part. A first countercontact is provided at an inner surface of said cover part, said first countercontact having a projection point...	10/27/1998
5825294	Thermostatic heat detector A heat detection and alarm unit is provided including a housing with a front face, a rear face, a top face, a bottom face and a pair of side faces coupled therebetween defining an interior space. A speaker is situated within the interior space of the hous...	10/20/1998
5077535	Thermostatic switch with sinuous bimetal blade A thermostatic switch has a bimetallic member formed with an undulated section for causing both an axial and a radial displacement of the bimetallic member such that each time the member expands a first contact wipes across a second contact. By providing ...	12/31/1991
4922373	Overtemperature protector for incandescent lamp An overtemperature protector for an incandescent lamp socket housing comprises a glass enclosed circuit breaker and an electrical heater in proximate heat transfer relationship therewith. The heater is in series with the circuit breaker so that when the c...	05/01/1990
4367452	Thermostatic switch construction A bimetallic, disc-actuated, thermostatic switch comprising a resiliently deformable actuator disc having an integrally struck actuator arm which extends radially inwardly to a point adjacent to a fixed contact. When the bimetallic disc is flexed in respo...	01/04/1983
4319126	Temperature dependent electric current-regulator-or-limiting switching element for electrical appliances: especially electrically heated devices A temperature responsive switching device is provided in which a pair of spaced bimetallic electrical switching arms each are anchored to opposite sides of a mounting block for attachment to the respective power leads of an electrical supply circuit. The ...	03/09/1982
4083336	Condition responsive control device A condition responsive control device is disclosed for affecting operation of a choke control in response to variable ambient and system temperatures, as well as the use of such a device in a system in which it is desired to adjust an operating parameter ...	04/11/1978
4033029	Method of assembling calibrated switch A wedging member, such as a ball, is frictionally engaged with inclined supporting ends of a pair of contact elements at a calibration temperature. The wedging member retains the positioning of the supporting ends as the temperature is changed from the ca...	07/05/1977

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Class 337/362 - Bimetallic element unitary with or directly actuates contacts