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8154378 Thermal actuator for a MEMS-based relay switch  
A representative embodiment of the invention provides a thermal actuator for a MEMS-based relay switch. The thermal actuator has an “active” arm that is movably mounted on a substrate. The “ac...
7948351 Circuit protection device having warning function  
A circuit protection device having a warning function includes a casing with a button, a first terminal and a second terminal connected thereto. A resilient bi-metallic plate is connected between...
7714691 Versatile system for a locking electro-thermal actuated MEMS switch  
A lockable MEMS switching architecture provided having a clutch assembly, a switching member, and an actuator. The clutch assembly has one or more engagement features located in proximity to the...
7489228 Low power consumption bistable microswitch  
A bistable MEMS microswitch produced on a substrate and capable of electrically connecting ends of at least two conductive tracks, including a beam suspended above the surface of the substrate. The...
7382223 Thermal circuit breaker  
A switchable thermal circuit breaker (10) has an automatically resettable, current carrying thermostatic disc (14) cantilever mounted in a housing (12) and carries a movable contact (14b) into and...
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...
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...
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...
6911891 Bistable actuation techniques, mechanisms, and applications  
A bistable structure provided by the invention is characterized as including a deflection element that has mechanically constrained end points and a compliant span between the end points that is...
6836205 Thermal switch containing resistance temperature detector  
A multiple output thermal detection and protection device providing an output signal representative of the temperature sensed by the device, and further providing a positive output signal...
6768412 Snap action thermal switch  
A simplified snap-action micromachined thermal switch having a bimodal thermal actuator fabricated from non-ductile materials such as silicon, glass, silicon oxide, tungsten, and other suitable...
6762667 Micro electromechanical switch having self-aligned spacers  
A method of fabricating and the structure of a micro-electromechanical switch (MEMS) device provided with self-aligned spacers or bumps is described. The spacers are designed to have an optimum...
6590489 Circuit breaker for protecting electric circuits in road vehicles  
A circuit breaker for protecting electrical circuits, particularly in motor vehicles, includes a flat housing, which comprises an insulating material and has two adjacent flat plugs. A bimetal that...
6559752 Creepless snap acting bimetallic switch having flexible contact members  
A creepless snap acting bimetallic switch having flexible contact members. The bimetallic switch comprises: a bimetallic element being adapted to snap between a first mode and a second mode, the...
6498559 Creepless snap acting bimetallic switch having step adjacent its bimetallic element  
A bimetallic switch comprising a bimetallic element having an outer edge and being adapted to snap between an open mode and a closed mode; a movable contact disposed on the bimetallic element; a...
6456190 Device for micromechanical switching of signals  
The invention refers to a micromechanical switching device including at least two contact elements (11, 12, 31, 32), which are provided at least partly movable relative each other and via thermal...
6249211 Temperature-dependent switch having a current transfer member  
A temperature-dependent switch 10 has a temperature-dependent switching mechanism 11; a housing 12, receiving the switching mechanism 11 and having a lower part 14 and an upper part 15; and two...
6239685 Bistable micromechanical switches  
A bistable micromechanical switch that includes a substrate, at least two anchor points formed on the substrate, and a beam structure that includes a two-material beam attached to at least two...
6181233 Temperature-dependent switch  
A temperature-dependent switch has two connection electrodes mounted on an insulating support as well as a switching mechanism that, as a function of its temperature, creates an electrically...
6100784 Temperature-dependent switch with contact bridge  
A temperature-dependent switch (10) has a temperature-dependent switching mechanism (12) and a closed housing (11), receiving the switching mechanism (12), which comprises a lower part (14) as well...
5986535 Low cost thermostat apparatus and method for calibrating same  
A low cost thermostatic switch (10) has first and second scoop shaped terminal members (12, 14) having flanges (12e, 14e) received on ledges (20f) formed on opposed sidewalls (20e) of a housing...
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...
5742219 Switchable circuit breaker  
A switchable circuit breaker having a housing, stationary and moveable contacts, a switching member for actuating the contacts to assume a first condition in which the contacts are open and a...
5694106 Safety switch with overload protection circuit  
An improved safety switch with overload protection circuit includes a housing having a lamp cover and three connecting plates disposed in a receptacle. One connecting plate is provided with a...
5498846 Toggle switches  
A switch including two contact plates spaced in a housing, a bimetallic strip and a stop plate respectively connected to one contact plate, a T-shaped switch handle, a control block mounted around...
5491460 Instrument switch having integrated overcurrent protection  
An electrical instrument switch includes a rocker switch for manual on-and-off switching and that is seated in an insulation housing. Depending on the pivot position, the rocker switch moves, with...
4894634 Switch device  
A thermostatic switch is shown in which a movable arm mounting a movable contact and a snap acting thermostatic strip disc are cantilever mounted with the disc adapted to cause the movable contact...
4376925 Switch units for electric immersion heaters  
A switch unit for an electric immersion heater for mounting on the wall of a liquid heating vessel, the switch unit including thermally responsive means sensitive to boiling liquid on a body of the...
4318070 Spring biased actuator for a thermal delay valve or switch  
An actuator for use as part of an electrically heated thermal delay valve (FIG. 1) or switch (FIG. 2) includes a thermally responsive plate (12) the periphery of which is fixed and the central part...
4310822 Temperature control device for aquarium heater  
A temperature control device for use with an aquarium heater, including a control housing, a first contact fastened to the control housing, a second contact responsive to the temperature responsive...
4177443 Thermal relay and electric range control utilizing the same  
A thermal relay construction capable of operating a pair of electrical contacts. The thermal relay includes an electrical heater of the self-regulating PTC type which is mounted upon and thermally...
4048607 Circuit breaker  
A circuit breaker has a bistable snap-acting mechanism including a bimetallic arm which renders the circuit breaker capable of actuation by either ambient temperature changes or temperature changes...
4032180 Locking device for washing machine door  
An appliance door lock has a thermally actuable latch regulated by a voltage responsive heater arranged to close the appliance circuit only after the latch has been set, to delay unlatching of the...
3863185 THERMAL BEAM ACTUATED ELECTRICAL SEQUENCER  
An electrical sequencer including an elongated heat conductive beam having thermal operators disposed at selected points along the length thereof and responsive to application of a predetermined...
3847685 OXIDE COATED METAL DISCS AND METHOD OF MAKING THE SAME  
Metal materials and elements such as stainless steel diaphragms and the like are immersed in oxidizing, fused, alkali metal hydroxide baths to provide the metal materials with adherent metal oxide...
3846729 CURRENT LIMITER  
A current limiter is provided comprising a casing housing a first and a second terminal, the first terminal being electrically connected with a thin blade-shaped bimetal. The bimetal is energized...
3518597 MANUAL MOTOR STARTER  
3500275 AUTOMATIC CIRCUIT BREAKERS  
3416112 Electric heater control apparatus utilizing temperature responsive lever  
3382336 Manual operator and lock means therefor for overload protective device  
3358099 Bimetallic-strip and rockable-spring actuated snap-acting switch device  
3320380 Circuit interrupter with an improved contact structure  
3309019 Temperature control system with improved heat anticipation  
3291936 Time delay snap switch with bimetallic pull ribbon  
3289158 Turn signal warning device  
3275832 Light sensitive bimetallic control switch  
3265837 Electric circuit breaker provide with an improved terminal strap for mounting a bimetal element  
3251966 Shock-proof overload relay with reversing link  
3248501 Thermostatic control having electrically insulated heater element  
3240904 Circuit breaker assembly  
Matches 1 - 50 out of 91 1 2 >