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| Number | Title | Issue Date |
| 7372356 | Concealed adjustable temperature switch A concealed adjustable temperature switch includes a fixed plate, an adjusting block threadedly engaged with a screw hole of the fixed plate, a bimetal plate, and a metal plate. Mounted on the adjusting block are upper and lower positioning rings and a fixing ring b... | 05/13/2008 |
| 7301434 | Thermally responsive electrical switch A motor protector (10) is shown having an elongated generally cup-shaped metallic housing (12) formed by a top wall (12a) and a side wall (12b) extending down from the perimeter of the top walls, the free end of which is wel... | 11/27/2007 |
| 7210846 | Thermostat housing assembly A thermostat housing assembly (10, 100) includes a housing (12, 102) having a flange (16, 106) for mounting the housing (12, 102) on a support structure and a tubular spout (18, 108) extending from the flange (16, 106) and d... | 05/01/2007 |
| 7102481 | Low current electric motor protector A low current motor protector (10, 10′) has an oblong metal housing (12) defining a switch chamber and formed with an open end. The housing has opposing flange portions extending transversely from the open end. Spaced apart lid portions (18... | 09/05/2006 |
| 7038570 | Protector for thermal switch installed in electromagnetic coils A protective device fitted to an electromagnetic coil to prevent damage to a thermal protective switch installed in the electromagnetic coil beneath the winding. In a preferred embodiment there is a subsequent encapsulation process following manufacture of the coil.... | 05/02/2006 |
| 6448883 | Switch having an end of service position in its open state A switch has a temperature-dependent switching mechanism with a stationary contact element; a movable contact element coacting with the stationary contact element; and a bimetallic element, having a predetermined functional service life, that as a functio... | 09/10/2002 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5757262 | Thermostat with bulging portion to prevent contact of a resilient plate to housing A thermostat, having a seal structure, prevents contact of a resilient plate with an inner side of the housing, even if an extremely great current flows through the resislient plate. The thermostat has a bulging portion at an inner side of the housing to ... | 05/26/1998 |
| 5621376 | Thermostat with a folded fixing member The purpose of the invention is to make it possible to adjust the heating rate inside the thermostat independently from the characteristics of the resilient plate in a thermostat, and to reduce the contamination inside the thermostat caused by particles. ... | 04/15/1997 |
| 5548267 | Thermostat construction with improved bi-metallic disk mounting arrangement A thermostatic switch construction including a housing having a switch arm mounted for movement inside. A bi-metallic disk is mounted in the housing and movable in response to temperature change with snap action between two positions of stability. A switc... | 08/20/1996 |
| 5525952 | Switchblade A one-piece resilient switchblade includes contacts on its opposite end portions. A mounting arm extends transversely of the switchblade and is attached to a switchcase under bending stress for biasing the switchblade against a fulcrum. The mounting arm t... | 06/11/1996 |
| 5355053 | High pressure sodium lamp starting aid A starting aid for high pressure sodium vapor lamps eliminates the need to mechanically connect an ignition wire to the lamp frame. The starting aid employs an ignition wire which is slidably clipped directly to the arc tube at one end and which is connec... | 10/11/1994 |
| 5296834 | Thermostatic switch and bimetallic disc assembly therefor A bimetallic disc assembly for a bimetallic disc-actuated thermostatic switch includes a disc retainer, a bimetallic disc received in assembled position on the disc retainer and a metallic retainer cap for retaining the disc in assembled position on the d... | 03/22/1994 |
| 5285183 | Temperature switch a temperature switch is disclosed which has a bimetal disc being inversely deformed between a concave shape and a convex shape according to a temperature change. A bottom portion including the outer periphery of a casing of the temperature switch is in a ... | 02/08/1994 |
| 5268664 | Low profile thermostat A thermostat having a cup for housing a bimetal blade. A flange extends from the top edge of the cup which receives an insulating layer and cover material on its top surface. The cover is then folded around and under the flange, simultaneously folding the... | 12/07/1993 |
| 5146199 | Circuit breaker having crimped metal cover An electrical circuit breaker has an insulative rigid base on which a circuit breaker assembly is mounted. The base has two long sides with grooves extending the full lengths thereof. A metal cover is crimped onto the base at and along the full lengths of... | 09/08/1992 |
| 5144273 | High limit thermostat apparatus A high limit thermostat for gas furnace applications is shown having a molded base plate and an elongated housing formed integrally with the base plate which mounts a thermostat at a free end of the housing in order to be positioned within an air stream o... | 09/01/1992 |
| 5089800 | Structure of thermostatic switch A thermostatic switch comprised of a casing having fastened therein a beryllium plate, which is connected to a first conductor, and a contact plate, which is connected to a second conductor, a cap attached to said casing at the top, which has a ceramic ro... | 02/18/1992 |
| 5051717 | High limit thermostat apparatus A high limit thermostat for gas furnace applications is shown having a molded base plate and an elongated housing formed integrally with the base plate which mounts a thermostat at a free end of the housing in order to be positioned within an air stream o... | 09/24/1991 |
| 5015985 | Thermally responsive switch A thermally responsive switch includes an elliptic dome-shaped receptacle, a support conductively secured at one of two ends to an inner surface of one of two ends of the receptacle in the direction of its length, a bimetallic thermally responsive element... | 05/14/1991 |
| 5014035 | Bimetallic circuit breaker with insulated terminal assembly A circuit breaker is provided with a first conductive plate fixed with a bimetal attached with a moving contact, a second conductive plate attached with a fixed contact and an insulator lying between base parts of the both conductive plates and fixed by b... | 05/07/1991 |
| 5014034 | Thermostatic switch with insulated calibration dimple A snap-action thermostatic switch, having a bimetallic member with a snap-action formed section bearing against a calibration dimple, has an insulative coating provided on the calibration dimple to prevent current flow through the dimple which could disru... | 05/07/1991 |
| 4978937 | Spacer for thermostat stack A thermostatic switch has a pair of contact strips separated by an insulative separator, with the separator and strips placed within a recess in a stacking block. The separator has a central portion and laterally extending tabs at the ends thereof, and re... | 12/18/1990 |
| 4954802 | Bi-metal temperature switch A temperature switch assembly which includes a bimetal element inserted into a holder body and secured in place by a mating shell is presented. The holder body is constructed so that it may be screwed into existing bore holes of the vessel or engine. The ... | 09/04/1990 |
| 4952901 | Bimetallic disc assembly for thermostatic switch and disc retainer therefor A disc assembly for a bimetallic disc-actuated thermostatic switch is adapted to minimize response time. The switch includes a disc assembly comprising a disc retainer, and a bimetallic disc and a cap on the disc retainer. The disc retainer includes a cen... | 08/28/1990 |
| 4908596 | Thermostat assembly A thermostat assembly includes a spring washer interposed between a switch case and a bimetal disc for biasing such disc into firm engagement with the disc housing to enhance heat transfer and dampen bouncing of the disc.... | 03/13/1990 |
| 4902999 | Enclosed bimetal circuit breaker An electrical circuit breaker comprises a base with two terminals embedded in, and extending through, the base. The external plug-in portions of the terminals are centered on the base. The internal portions of the terminals are off to one side in order to... | 02/20/1990 |
| 4866408 | Multiphase motor protector apparatus A three phase hermetic protector for electrical apparatus has a pair of terminals extending through a header with first and second elongated heaters mounted on the terminals and extending away from the header. A rigid support is attached to the header bet... | 09/12/1989 |
| 4860435 | Calibration process for bimetallic circuit breakers In the manufacture of a circuit breaker comprising a cover having a snap action blade attached thereto, with a movable contact mounted on the snap action blade, the optimum position of the movable contact with respect to a preselected locus is first deter... | 08/29/1989 |
| 4829281 | Thermostatic switch having a bimetal strip with increased life expectancy The present invention provides an improved means of connecting the end of a bimetal blade, from which the bimetal flexes, to a planar member of a thermostatic switch. The bimetal blade, in response to temperature changes of the ambient, flexes to alternat... | 05/09/1989 |
| 4795997 | Thermostat for board mounting Snap action thermostat has a housing molded onto two flat terminals to form a cavity wherein inner portions of the terminals are exposed. A contact arm is welded to the inner portion of one terminal, a dished bistable bimetal element is placed loosely in ... | 01/03/1989 |
| 4794364 | Thermostat A thermostat comprises a generally circular supporting frame; a disk mounted on the frame movable between two stable positions in response to changes in the temperature of the disk, a pin slidable mounted in the frame for movement in response to movement ... | 12/27/1988 |
| 4791397 | Thermostatic switch construction In a snap disc thermostat, a stationary contact support, a moveable contact support, an actuator translated by the disc and a case housing those elements, interior side walls of the case have guide channels outboard of the stationary and moveable contact ... | 12/13/1988 |
| 4782318 | Thermally responsive electric switch apparatus A thermally responsive electric switch has an open ended, cup shaped, thermally and electrically conductive housing containing a thermostatic disc. A base of electrically insulative material, mounting a stationary contact arm, is received in the open end ... | 11/01/1988 |
| 4780698 | Circuit interrupter device and method for making A resettable, current-responsive, circuit interrupter device has two wide but thin terminals embedded up to a substantial part of their thickness in a side wall of an insulating housing so that sides of the embedded terminal portions are exposed from the ... | 10/25/1988 |
| 4755787 | Means for mounting a bimetal blade in a thermostatic switch The present invention provides, in a preferred embodiment, a thermostatic switch having a bimetal blade connected, at one end, to a terminal arm by means of a fastener. In accordance with the present invention, a weld electrically connects the one end of ... | 07/05/1988 |
| 4754252 | Thermostatic switch with improved cap disc assembly A bimetallic disc-actuated thermostatic switch comprising a switching assembly including a housing containing fixed and movable contacts and a cap and disc assembly on the switching assembly for moving the contacts between engaged and disengaged positions... | 06/28/1988 |
