Abstract: An electrical connection box includes a frame that has a tubular inner wall and a tubular outer wall surrounding the inner wall, and accommodates an electronic component inside the inner wall a lower cover that covers a lower edge of the outer wall and an inner cover that is disposed inside the lower cover and covers a lower edge of the inner wall.

Abstract: A refrigerator includes a body having a storage compartment, a door that opens and closes the storage compartment, and a display unit separably provided on a front side of the door. If one side of the display unit is inserted into an inner side of the front side of the door due to rotation, the other side of the display unit is provided to protrude toward a front of the door. With this configuration, the display unit can be easily separated from the door.

Abstract: An appliance assembly includes an appliance and an appliance member. The appliance includes a wall defining a plurality of holes. The appliance member is carried by the appliance. The appliance member includes a housing which includes a snap-fit arrangement coupled with the appliance. The snap-fit arrangement includes a first plurality of ears and a second plurality of ears, the first and second plurality of ears snap-fittingly engaging the plurality of holes.

Abstract: An overheating protection device id disclosed for electrically coupling an electrical power source to a fluid propulsion device. The fluid propulsion device includes a propelling member within a manifold for pressurizing a fluid. The propelling member is keyed with a motor. The overheating protection device comprises a housing including a back plate, a top plate, a bottom plate, a first side plate and a second side plate for defining a cavity. The back plate, the top plate, the bottom plate, the first side plate and the second side plate define an aperture. A thermostat switch is positioned within the cavity and is electrically coupled between the electrical power source and the motor. A cover engages the aperture for sealing the thermostat switch within the housing. The cover includes a bore for relieving the thermostat switch. A thermo-conductive layer has an interior surface and an exterior surface.

Abstract: A thermally activated electrical interrupt device incorporates a thermally activated portion engaging with an electrical interrupt portion. The thermally activated material expands when heated, causing an interrupt control rod to open an electrical contact. When the interrupt device is placed into an interrupt state, a reset mechanism maintains the interrupt control rod in the interrupt state until specifically reset. An actuating shaft is in operational communication with at least one electrical contact. The actuating shaft is maintained in a thermal monitoring position until an interrupt control rod is moved via a thermally expanding material and engages with the actuating shaft, releasing it from the thermal monitoring position. The actuating shaft is projected via a biasing member to cause a change in state of the electrical contact. The actuating shaft remains in the interrupt state until the user resets the switch.

Abstract: 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 temperature cut-out comprises a plurality of spaced apart programmable temperature switches supported by an elongate flexible substrate. An elongate, flexible yet rugged casing is further provided for housing the solid state low temperature cut-out, as is a mounting fixture comprising a fitting, for receiving the casing, a flange extending therefrom, and a gasket for sealing between the flange and a mounting surface.

Abstract: 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 lever and a fulcrum of adjusting plate are protected by the wall plate and they are not exposed to the outside. Since both the fulcrums are not exposed to the outside, the fulcrums are free from being touched with foreign matters. This thermostat thus prevents a temperature set therein from changing.

Abstract: An apparatus for controlling the operation of a HVAC system, where the apparatus is adapted to be releasably connectable to a thermostat sub-base assembly connected to an HVAC system. The apparatus is configured to be releasably connectable to the connector pins in a manner such that the apparatus may be slid onto the sub-base and easily removed without any disconnection of wiring. After completion of all construction, the apparatus may be removed and saved for future use, and a new digital thermostat may then be slid onto the connector pins of the sub-base.

Abstract: 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 responsive snap-acting disc (16) attached to a port fitting (22) having an elongated temperature sensing portion (22h, 22h′) extending from the fitting within a threaded bore of the fitting adapted to be inserted in the bore of a fluid pressure source nipple (2). A thermistor (24) is disposed at the distal end (22k, 22k′) of the temperature sensing portion and is electrically connected to terminals (14) of the base member.

Abstract: A thermal projector includes a switching mechanism section having a fixed contact, a movable contact disposed so as to face the fixed contact. There are first and second external connection terminals projecting sideward and connected electrically to the fixed contact and movable contact, respectively. The switching mechanism section is constructed so that the movable contact is displaced by a deforming operation of a thermally-actuated element so as to be separated from and brought into contact with the fixed contact. A resin bottomed case having a peripheral wall is located around the switching mechanism section in a manner so that the first and second external connection terminals penetrate the peripheral wall, and the penetrating portions are adhesively sealed by molding the peripheral wall integrally with the connection terminals. There is a film formed member of an electric insulating material.

Abstract: 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. The fixing neck contains, on an outer circumference thereof, a fine-pitch threading for screwing on a nut, and carries, at a distance from the end thereof that is attached to the housing, a radially protruding bearing flange. The bearing flange serves to hold the device in a fixed position, in which the fixing neck projects through a fastening hole of a wall element and is held therein against the bearing flange by a nut. The fixing neck is a one-piece part made out of plastic. It contains, between the end of the threading thereof and the bearing flange, an unthreaded shaft area, which is coaxial in relation to the fixing neck.

Abstract: 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 (12) exteriorly encircling the compartment. One of the side walls (SW) has a mounting hole (2) defined therein and a front surface thereof confronts the compartment (RC or FC). The device includes a box-like console (C), and a circuit carrier board (3) fixedly connected to a rear surface of the console (C). Electric wiring (11) extends outwardly from the circuit carrier board, and a display panel (30) is disposed on a front surface of the console (C). At least one manipulatable temperature control element (31a, 31b, 31c: PB, LED) is mounted on the console (C), and a hat-like console casing (13) having a peripheral flange (10) is fixedly secured to the side wall (SW) in alignment with the mounting hole (2).

Abstract: 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 electrically conductive lead terminal pin inserted through and airtightly fixed in the hole in an electrically insulated state, the header plate being airtightly fixed to the open end of the housing so that the housing and the header plate constitute a hermetic housing, a thermally responsive element formed into the shape of a shallow dish and having a generally central through hole, a fixed contact section provided on a portion of the lead terminal pin located in the hermetic housing, a movable plate support secured to the metal plate of the header plate located in the hermetic housing, a movable plate formed of a leaf spring-shaped conductive metal plate and having one end secured to the movable plate support, and a movable contact fixed to the other end side of the movable plate.

Abstract: 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 a first terminal external to the housing, and a movable contact member which is electrically interconnected to a second terminal external to the housing. The movable contact member movable between a switch-closed position and a switch-open position. An actuating member is located in the housing and is responsive to flexing movement of the disc for moving the movable contact member from the switch-closed position to the switch-open position. A reset assembly is provided for resetting the disc, and includes a reset element which is movable between a first position in which it is spaced from the actuating member and a second position in which it is axially moved to engage the actuating member for moving the disc back to its pre-flexed position.

Abstract: 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 thermally activatable means (45) for short-circuiting the first and second contact elements (6; 3). The first and second contact elements have respective first and second regions (6; 3) facing each other, and said thermally activatable means (45) is mechanically linked to the first contact element (6).

Abstract: 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 closed by a user operated cam also energizes a heat motor which includes a resistive strip attached to one active leg of a U-shaped bi-metal member. In one embodiment the integrally formed load current switch snap spring is securely attached to the heated leg of a U-shaped bi-metal and the moveable contact arm pivoted on the base. The other leg of the U-shaped bi-metal is anchored to a base including one of the load-connecting stationary terminals; and, the anchored leg serves to provide ambient temperature compensation. In another embodiment, the integrally formed blade spring of the moveable contact member is pivoted on the active leg of the U-shaped bi-metal and the moveable contact arm welded to the base.

Abstract: A switch has a temperature-dependent switching mechanism that is received in a housing. The housing has a first housing part on whose inner base a first countercontact is arranged. Also provided is a second housing part, closing off the first housing part, on whose inner base a second countercontact is arranged, such that the switching mechanism creates, as a function of its temperature, an electrically conductive connection between the two countercontacts, to which contact is made from outside through a respective wall of the associated housing part. At least one housing part is made of insulating material. The countercontact in the housing part made of insulating material is arranged in lossproof fashion, for example by casting or injection-molding, in such a way that it is an integral component of said housing part.

Abstract: 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 is to be sensed has a blind hole therein with a closed bottom and a cylindrical periphery. The cup is received in the hole with the cup bottom wall engaging the hole bottom and with the flange under bending stress in engagement with the hole periphery.

Abstract: 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 element made of plastic. Contact tabs of the switching element are inserted into recesses of the closing element, and the metal cap and the closing element are connected with one another by a joining element made of plastic which is cast on on the outside and which surrounds the edge of the metal cap and surrounds the closing element at least partially.

Abstract: 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 into the heat. A control device is set to establish the supply of the light into the closed space. Upon turning-on of the control device, the substance changes the supplied light into the heat, resulting in that the resultant heat brings the expansion of the gas. Thus, the member is brought into deformed condition. The deformation can be used as a force for operating a specific element.

Abstract: 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 transducer mounted on the shaft end, and a switch comprising a channel-shaped, rigid member having a base portion attached on a wall of the housing and opposite branches having notches to support a snap-action blade so that the temperature transducer abuts transversely against an intermediate point in the blade. According to the invention, the channel-shaped member is made of a bimetal plate having the most expansible metal on the outside, so that the branches of the channel-shaped member bend toward each other when the channel-shaped member is heated.

Abstract: 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 within one of the insulated walls of the unit. Mounted on the panel are two operators, one of which controls the temperature of a thermostat and the other of which controls the position of a damper. Adjustment of the operator associated with the thermostat controls the temperature of one compartment in the refrigeration unit and adjustment of the other operator controls the position of a damper, and in turn controls the differential temperature between the two compartments provided by the refrigeration unit. The thermostat and the damper control are structured so that movement of the control panel between the retracted and extended positions does not affect the adjustment thereof.

Abstract: 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 controller has a liquid filled bulb and capillary temperature sensor disposed in a sensing chamber isolated by dead air from a separate walled switching chamber having a diaphragm type actuator connected to the capillary tube for moving a lever spring biased against the actuator and operable to actuate a snap switch. An adjustment camshaft extends externally of the controller housing for adjusting the bias on the lever for changing the temperature at which the snap switch is actuated.

Abstract: 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 switch is back-mounted on a deck plate adapted for covering a single width wall outlet box with the load switch recessed therein. Separate manually operated line voltage function (fan) switches are front mounted on the deck plate and protected by an impact resistant electrically insulating plastic housing thereover retained on the deck plate by fasteners accessible only from the backside. An outer decorative cover extends over the plastic switch housing and the sensing bulb with an adjustment shaft extending therethrough with adjustment knob thereon.

Abstract: 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 temperature sensing components. The individual switch components being fixed in operative position relative to the integral support members by molded projections in the housing and mated cutout sections in the blades, and a plastic shim.

Abstract: 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 collector is mounted on the disc cup in good heat transfer relationship therewith. The collector provides a flange formed with concentric circular convolutions and a circular array of projections cut from the material of the flange and extending substantially perpendicular to the flange. The projections are positioned around the disc cup and provide improved sensitivity to the flow of hot air and gases in a direction parallel to the plane of the flange.

Abstract: 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 arranged within a housing and engaged by electrical contact and terminals means of particular structure and of a material of relatively high thermal resistance in a novel way such that power dissipation or loss by the resistor is reduced to a very low level after it has performed its motor starting function but so that, at the same time, the resistor is adapted to cool more rapidly after interruption of motor operation to permit prompt motor restarting.

Abstract: 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 mounted within the housing.

Abstract: 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 current limiter near a heat generating source.

Abstract: 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 insulating material units, and insulating bushing means, such as rubber gaskets or stress relief cones, which are inserted into the contact portions between said each insulating material units, and further solid state insulating units fastened by a common fastening means in a body with uniform compressive force.

Abstract: 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 switch for operating the electrical switch independently of each other, one of the actuators being automatically reset and the other of the actuators being manually reset by a manually operated reset member carried by the housing and being operatively associated with the other actuator.