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6844805 |
Temperature detection and switching assembly
A temperature detection and switching assembly comprising a solid state low temperature cut-out, operatively linkable to a remote controller, is provided. Preferably, the solid state low...
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6819216 |
Thermostat
A thermostat includes a wall plate unitarily molded of thermoplastic resin, a first metal plate holding a temperature sensing section, and a second metal plate holding a cam shaft. A fulcrum of a...
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6737952 |
Combined pressure responsive electrical switch and temperature sensor device
A combined pressure responsive electrical switch and temperature sensor device ( 10, 10′ ) is shown comprising a base member ( 12 ) mounting an electrical switch actuatable by a pressure...
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6509823 |
Electrical functional unit, in particular a circuit-breaker, for use in aviation
An electrical functional device for use in the field of aviation, for example, a safety switch, is described. The functional device has a housing out of which a cylindrical fixing neck projects....
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6101819 |
Temperature control device for refrigerators
A temperature control device is provided in a refrigerator having at least one compartment (RC or FC) defined by top, bottom and opposite side walls (TW; BW; and SW), and a heat insulating material...
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5939970 |
Thermally responsive switch
A thermally responsive switch includes a metal housing formed into the shape of a bottomed cylinder and having an open end, a header plate including a metal plate having a through hole and an...
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5929742 |
Trip-free, manual reset thermostat
A thermostat includes a housing having a cavity formed therein, a temperature responsive bimetallic disc located in the housing, a stationary contact member which is electrically interconnected to...
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5898356 |
Thermally-activated switch for short-circuiting a battery cell
A thermally activated short-circuit switch for connection in parallel with a battery cell has first and second contact elements (6; 3) which are distinct from the electrodes of a diode, and...
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5877670 |
Heat motor operated load regulating switch assembly and knob attachment therefor
A user adjustable switching controller for duty cycle regulating flow of current to an electrical load such as a resistance heater, particularly for cooking appliances. A load current switch, when...
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5488347 |
Thermostat assembly with flanged disc cup
A thermostat has a metal disc cup with a circular cup bottom wall and a cylindrical cup peripheral wall. An inclined flange extends outwardly from the cup peripheral wall. A body whose temperature...
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5394134 |
Electric switchgear
An electric switchgear having at least one switching element that is a semiconductor with a temperature-dependent resistance, which includes a housing joined together from a metal cap and a closing...
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5214737 |
Optically operated actuator
An actuator includes a closed space defined by a deformable member in which an amount of thermally expansible gas is filled. In the closed space, there is also a substance which changes the light...
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5032818 |
Adjustable electric thermostat with temperature compensation
An adjustable electric thermostat comprises a main housing in which an adjustment shaft is threadedly engaged so that the shaft end inside the housing is displaced when the shaft is turned, a heat...
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4936106 |
Retractable control unit for refrigerators
A retractable temperature control for refrigeration units includes a control panel pivoted for movement between an extended, accessible position and a retracted position in which it is enclosed...
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4864270 |
Thermostatic controller for waterbed heater
A thermostatic controller for a waterbed heater of the type where the water bladder is enclosed in a foam casing with the controller disposed between the bladder and the side of the casing. The...
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4824013 |
Temperature controller
A line voltage controller/thermostat for heating and cooling systems. The controller includes a bulb-and-capillary temperature sensor operating a line voltage load current switch. The load current...
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4700168 |
Integrated temperature control unit
A temperature control device of the bulb and capillary tube type having a molded plastic housing that has integrally formed support members for positioning and securing individual switch blades and...
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4591822 |
Bimetal thermostat with head collector
A detector thermostat for fire detection systems is disclosed. Such detector thermostat includes a bimetal snap disc thermostat having a metallic disc cup which supports the snap disc. A heat...
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4241370 |
Thermal relays particularly for starting single-phase asynchronous motors
A motor starting relay particularly adapted for use in starting single phase asynchronous motors comprises a resistor element of positive temperature coefficient of resistivity which is compactly...
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4237510 |
Electrical switching apparatus
A housing is disclosed in which a positive temperature coefficient (PTC) of resistivity element is mounted a selected distance from but in thermal communication with a thermostatic switch also...
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4216456 |
Current limiting apparatus
A current limiting apparatus comprises a current limiter and cooling fins formed on each current terminal of the current limiter, and additional cooling fins fitted on a cylindrical tube of the...
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4037187 |
Metal clad insulating circuit breaker
A casing is divided and disassembled into the desired numbers of solid state insulating material units each of which is aligned with the others, with tapered end portion of the solid state...
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3967086 |
Electrical switch construction
An electrical switch construction having a housing provided with an electrical switch therein. A pair of actuators are carried by the housing and are operatively associated with the electrical...
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3882479 |
Thermally expansive sensor
A fluid sensor device is disclosed which comprises the housing member, a heat responsive tip member adapted for thermally expanding in a predetermined direction, a heat responsive means fixedly...
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3858140 |
TIME-DELAY RELAY AND METHOD OF ASSEMBLING SAME
A time-delay relay comprising a housing having a chamber in which are mounted a thermostatic switch assembly and an electric heater in heat transfer relation with the thermostatic switch assembly...
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3831127 |
CONTROL SWITCH UNITS
A temperature-responsive switch unit has a casing enclosing a bellows device and a switch unit arranged to be operated by the bellows device through a lever. To facilitate precision assembly the...
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3813629 |
TEMPERATURE COMPENSATED FLUID LEVEL SENSOR
There is described an apparatus for detecting the presence or absence of fluid. The apparatus comprises an electrical circuit and a sensor device electrically joined to the circuit. The sensor...
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3745501 |
SEATING FOR THE SCREW SPINDLE AND GUIDE MEANS FOR THE SLIDING CONTACT WIRE IN A GLASS TUBE THERMOMETER OF ROUND, NON-CIRCULAR OR POLYGONAL CROSS SECTION AND CONTAINING ADJUSTABLE ELECTRICAL CONTACT MEANS FOR TEMPERATURE
A seating for the screw spindle and a guide means for the sliding contact wire in a glass tube thermometer of round, non-circular or polygonal cross section and containing adjustable electrical...
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3656182 |
HYDRAULIC THERMOSTAT WITH DOUBLE THROW SWITCH MECHANISM
A single point hydraulic thermostat having a housing enclosing a diaphragm assembly bearing upon a snap-acting spring mechanism with a point contact and controlling the position of a double throw...
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3654578 |
CONDITION RESPONSIVE SWITCH MECHANISM
A condition responsive electric switch mechanism includes a switch having open and closed positions. A switch actuator is connected to the switch for moving it between its open and closed positions...
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3642200 |
FLAME-SENSING BULB CONSTRUCTION
A condition sensing bulb portion interconnected to capillary tube means that provides fluid communication therethrough to the chamber of the bulb portion whereby the tube and the bulb portion...
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3613041 |
THERMAL-RESPONSIVE SWITCH
A thermal-responsive switch assembly of the type employing a temperature-responsive expansion means to shift electrical switch means. The switch means has terminal projections held in compressive...
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3518601 |
CONTROL DEVICE HAVING AN IMPROVED ONE-PIECE MOUNTING BRACKET
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3514734 |
THERMAL SENSING PRESSURE SWITCH
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3469781 |
VALVE
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3447116 |
PRESSURE OR TEMPERATURE REGULATOR
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3278702 |
Pneumatic temperature control with heating means and bimetallic flapper valve
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3274362 |
Adjustable fluid pressure operated electric switch
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3257529 |
Metal-hydride-actuated electrical relay
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3221128 |
Hermetically sealed pressure actuated spot point temperature detection device
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3180956 |
Pressure-actuated electrical switch having flat support at closure for prevention of overpressure damage
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3135849 |
Thermostatic control switches for refrigerators and the like
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3065323 |
Condition responsive electric switch mechanism
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3040148 |
Radiant heat room thermostat
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3013139 |
Control device
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2993969 |
Control apparatus
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2991342 |
Laundry apparatus
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2990463 |
Adjustable thermostats
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2979586 |
Clamp-on temperature responsive device
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2930876 |
Control mounting assembly
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