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| Number | Title | Issue Date |
| 7356913 | Process for manufacturing a microsystem A process for making microswitches or microvalves, composed of a substrate and used for shifting between a first state of functioning and a second state of functioning by means of a bimetal-effect thermal sensor. The sensor includes a deformable element attached, at... | 04/15/2008 |
| 7358740 | Thermal switch with self-test feature A normally open thermal switch (200) having a bimetallic disk (18) is configured for operational testing in its installed position when exposed to a changing temperature by a test box (400) having a power source (400a). The in-plac... | 04/15/2008 |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 7221817 | Beam switch structures and methods A substantially straight beam in an unbuckled state is compressed to cause the beam to buckle using an adjustable compressor. The adjustable compressor applies force to one or both ends of the beam and limits compression on the beam to allow the beam to move between... | 05/22/2007 |
| 7059035 | Method for forming a bimetallic actuator A method for post-fabrication modification of the snap actuation properties of a thermally responsive bimetallic actuator by exposing a pre-formed bimetallic actuator to laser energy, thereby permanently altering the thermal response properties of the bimetallic act... | 06/13/2006 |
| 7024940 | Force measurement of bimetallic thermal disc An apparatus and method for determining the actuation energy generated by a bimetallic actuator during transit between first and second states of stability. The apparatus and method further determining the threshold or set-point temperature of the bimetallic actuato... | 04/11/2006 |
| 6812820 | Microsystem with element deformable by the action of heat-actuated device The invention concerns a microsystem, in particular for producing microswitches or microvalves, constituted on a substrate (50) and used for producing a shift between a first operating state and a second operating state by means of a heat actuated device with... | 11/02/2004 |
| 6057751 | Overheat and overload sensing device An overheat and overload sensing device includes a thermal sensor (such as a thermal regulator) and a breaker connected in parallel and used to cut off a power supply in case of current overload. The thermal sensor usually disposed near a heat source can ... | 05/02/2000 |
| 5483216 | Fixing assembly of a temperature responsive element and its fixing method A fixing method and assembly of a temperature responsive element capable of detecting variation in temperature of discharge cooling medium of a compressor exactly and rapidly and preventing the compressor from being burned. A through hole is formed in a c... | 01/09/1996 |
| 5243315 | Thermostatic switch assembly A thermostatic switch assembly having three individual switches vertically stacked one above the other on a base containing temperature responsive bimetal discs that operate the individual switches through actuating rods.... | 09/07/1993 |
| 5043690 | Balanced snap action thermal actuator A thermal actuator utilizes a bimetallic snap action member such as a disc to actuate a member such as the armature of a switch to effect opening and closing of the switch. A resilient biasing member, such as an elongated curved spring member or a compres... | 08/27/1991 |
| 4970485 | Snap action thermal actuator A snap action thermal actuator utilizes a pair of mechanically coupled bimetallic members having different temperature characteristics to provide a fast and positive snap action thermal actuator even when a low temperature differential is required. The ac... | 11/13/1990 |
| 4942381 | Driving element with a thin part, deformable in the direction of its thickness Driving element (1) comprising a thin part (2) provided with a zone, ductile in the direction of its thickness in such a way as to occupy at least two positions, in at least one of which said zone is arc-shaped, at least one tab (3, 4) fixed at one end to... | 07/17/1990 |
| 4760955 | Control system for heating and cooling apparatus of building An improved control system for controlling the heating and cooling of a building or home including an improved control device forming a component of the control system. The control device includes a lever which can pivot about a central axis intermediate ... | 08/02/1988 |
| 4563667 | Temperature and/or current sensitive electrical switch For stopping drift or other undesired changes in the response temperatures of a thermal switch using a bimetallic element for driving a moving contact, the design is such that the moving contact and a counter-contact are supported on a common insulating s... | 01/07/1986 |
| 4555687 | Fuel supply system with electric choke and control therefor A control device is shown for a fuel supply system for an automotive engine having a heater which is energized, deenergized and then reenergized in sequence to heat a thermostat metal coil spring over a selected temperature range to regulate opening of a ... | 11/26/1985 |
| 4499448 | Electric circuit interrupter An electric circuit interrupter device in which an electric circuit extends through the device. Within the device is a frangible link in the electric circuit. A plunger is engageable with the link. A stack of thermally responsive discs is expandable in le... | 02/12/1985 |
| 4481494 | Bi-metal snap disc operated relay A thermal relay is disclosed which provides a bi-metal snap disc actuator system. The actuator system includes a central divider of material having relatively low thermal conductivity and a metallic disc cup mounted on each side of the central divider. A ... | 11/06/1984 |
| 4445105 | Thermostat A thermostat, operating on the basis of current generated heat, rather than ambient temperature, operates as an equivalent of a snap-action thermostat, though without the necessity for provision of a snap-action dimple, by use of two bimetallic arms, the ... | 04/24/1984 |
| 4339740 | Thermally responsive switches A thermally responsive electric switch including two dimensionally identical, bimetallic, snap-over, part-spherical, thermally responsive actuating elements 9, 11, arranged in a nesting, contacting relationship within the end portion 7 of a housing. The f... | 07/13/1982 |
| 4325047 | Temperature responsive switch A temperature responsive switch is provided which comprises a pair of bimetal discs having different temperature-deformation characteristics, a pair of fixed electrical contacts and a movable electrical contact. The movable contact engages one of the fixe... | 04/13/1982 |
| 4283701 | Overshoot compensated thermostat A thermostat assembly to control heat to an iron soleplate, includes a bimetal blade on a soleplate boss responding to the heat thereto to make and break the electric circuit. To this standard construction an improved thermostat assembly uses a slot in th... | 08/11/1981 |
| 4088976 | Thermally operated bimetal actuator A thermally operated actuator useful as a relay, flasher, circuit breaker, or the like, in which a bimetal element is movable by heating and cooling in response to an electrical resistance heater and/or current passing through the bimetal element. In one ... | 05/09/1978 |
| 4074855 | Adjustable bimetal construction and method of making the same An adjustable bimetal construction adapted to provide an adjustable throttling range and having a first bimetal member and a second bimetal member, one opposed end of the first bimetal member being operatively interconnected to the frame while the other e... | 02/21/1978 |
| 4035756 | Two temperature thermostat A dual temperature thermostat is disclosed in which two bimetal snap discs are connected to separately operate two switch mechanisms. The snap discs are retained in separate, generally concentric disc seats formed in a retainer cup. The body is provided w... | 07/12/1977 |
