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Match Document Document Title
8823483 Power resistor with integrated heat spreader  
An integrated assembly includes a resistor and a heat spreader. The resistor includes a resistive element and terminals. The heat spreader is integrated with the resistor and includes a heat sink...
8369696 Micro-heaters, methods for manufacturing the same, and methods for forming patterns using the micro-heaters  
Example embodiments relate to micro-heaters, micro-heater arrays, methods for manufacturing the micro-heater, and methods for forming a pattern using the micro-heater. A micro-heater according to...
8230910 Apparatus for conveying a cooling air flow having a cooling domes  
An apparatus for conveying a cooling air flow for at least one motor vehicle heat exchanger has a fan frame, a fan wheel, a fan control unit, and a cooling body. The fan frame has a frame opening,...
8063732 Electrical resistor structure  
This electrical resistor structure which includes a frame (2) for receiving elements which form an electrical resistor (3) in the form of a serpentine resistive element, the folded ends of the...
7994895 Heat sink for integrated circuit devices  
A resistor with heat sink is provided. The heat sink includes a conductive path having metal or other thermal conductor having a high thermal conductivity. To avoid shorting the electrical...
7907045 Hoisting machine  
A hoisting machine having a load hoisting motor and a speed reduction mechanism and driving the load hoisting motor with an inverter 12 incorporated in the hoisting machine main body is provided...
7902957 Phase change cooled electrical resistor  
A technique is disclosed for cooling resistive elements, such as brake resistors used in motor drives, as well as other resistors. A phase change heat spreader is thermally coupled to the...
7543632 Compact circuit board for an automotive HVAC system  
An automotive heat, ventilation and air conditioning (HVAC) system including an electrical control module for controlling the motor of the system. The module includes a connector base supporting a...
7535335 Anti-condensate resistance with PTC thermistor and process for assembling such resistance  
An anti-condensate resistance (1) with PTC thermistor 5 is disclosed, comprising a central heat sink element (3), such central heat sink element (3) being composed of two dissipating plates (3a,...
7427911 Electrical device having a heat generating resistive element  
The invention provides an electrical device having improved insulation and reduced partial discharge. The electrical device comprises an electrically conductive resistive element provided on a...
7310036 Heat sink for integrated circuit devices  
A resistor with heat sink is provided. The heat sink includes a conductive path having metal or other thermal conductor having a high thermal conductivity. To avoid shorting the electrical...
7102484 High power resistor having an improved operating temperature range  
A high power resistor includes a resistance element with first and second leads extending out from the opposite ends thereof. A heat sink of dielectric material is in heat conducting relation to...
6882266 Ball grid array resistor network having a ground plane  
A ball grid array resistor network that has a ground plane to reduce noise and improve signal integrity. The ball grid array resistor network includes a substrate having a first and a second...
6747543 Resistor for driving motor for air conditioner blower  
A resistor for driving a motor for an air conditioner blower is provided, in which internal resistance bodies are stacked over one after another between insulation plates in the resistor, to...
6528860 Resistor with resistance alloy plate having roughened interface surface  
A high-accuracy current detecting resistor is provided whose resistance does not change greatly according to temperature change and which has an excellent dielectric strength. In a resistor in...
5945905 High power resistor  
A high power resistor includes a substrate of an insulating material having opposed first and second surfaces, and a strip of a resistance material on the first surface of the substrate. The...
5841340 Solderless RF power film resistors and terminations  
Solderless RF power film resistor and termination assemblies which include a flat film resistor or termination pressed by a nonmetallic clamping plate into thermal contact with a base plate...
5786745 Electronic package and method  
A package (10) has outermost surfaces (12, 13, 14, 16) that form a polygon shape. The body (11) of the package (10) has axial symmetry about an axis (21). A lead (22) exits the package along the...
5739743 Asymmetric resistor terminal  
A chip resistor includes a substantially rectangular substrate of an insulating material having opposed substantially flat top and bottom surfaces and edges extending between the top and bottom...
5665261 Motor vehicle electric heating device having angled off metal heating plates arranged to mutually abut one another at opposite ends  
An electric heating device includes a plurality of heating elements which are assembled to form a block. Such a heating element is formed from two metal plates, with the interposition of PTC...
5621378 Heatsink-mountable power resistor having improved heat-transfer interface with the heatsink  
A power resistor having much improved heat dissipation ability to an underlying heatsink because a step or protuberance is provided that cooperates with the mounting bolt or screw to largely...
5581227 Hybrid circuit having ceramic strip to increase loading capacity  
A hybrid circuit unit having a film resistor on a circuit carrier and a ceramic stripe having an area of at least approximately the same size as the film resistor is secured in a highly thermally...
5563570 Resistor device for controlling a rotational speed of a motor  
The present invention relates to a resistor device for controlling a rotational speed of a motor which has no directional property and provides a convenient setting. A resistance unit is...
5481241 Film-type heat sink-mounted power resistor combination having only a thin encapsulant, and having an enlarged internal heat sink  
A low-cost heat sink-mounted power film resistor having a high power rating for its footprint size, and not incorporating any housing. The resistor is bolted or otherwise secured tightly to an...
5436609 Electrical device  
An electrical device in which a conductive terminal is physically and electrically attached directly or indirectly to a face of a laminar PTC resistive element. The terminal comprises a laminar...
5355281 Electrical device having a bonded ceramic-copper heat transfer medium  
The present invention relates to an electrical device such as a resistor or silicon controlled rectifier that is provided with an improved heat transfer medium for transferring heat from the...
5321382 Thermal type flow rate sensor  
A thermal type flow rate sensor comprising a sensor chip having a rectangular shape. The sensor chip is supported between supporting pins through ribbon-like leads connected to opposite ends of...
5304977 Film-type power resistor combination with anchored exposed substrate/heatsink  
The film-type electrical power resistor includes a flat ceramic chip on the upper surface of which is screen-printed a resistive film. Terminals (leads) are mechanically and electrically connected...
5291174 Ceramic substrate blower motor resistor array  
An improved blower motor speed control resistor array in which the resistor elements are defined by multiple optimally sized patches of resistive ink deposited onto opposite sides of a thin flat...
5268665 Resistor device for blower motor  
A resistor device for blower motor comprising one plate of PTC element having two side surfaces and a plurality of electrodes disposed on at least one of the two side surfaces. A plurality of...
5254968 Electrically conductive plastic speed control resistor for an automotive blower motor  
A blower motor speed control resistor array in which the resistor elements contain an electrically conductive plastic material which melts to limit the blower motor current in the event of an...
5243683 Laminar streamflow-guided hair dryer with finned PTC heating means  
A hair dryer includes a plurality of elongated positive-temperature-coefficient (PTC) semiconductor heating units disposed in transverse side-by-side spaced relation in a linear array in a central...
5228460 Low mass radial array heater for electrical smoking article  
A heating element to provide heat to a tobacco flavor medium, for use in an electrical smoking article, by converting electrical energy to heat through the use of a material with electrically...
5229741 Automotive resistor unit having mounting clip  
The resistor unit comprises resistors connected to electrical terminals secured to an insulating plate to which first and second legs of a spring sheet metal mounting clip are secured for...
5185568 RF test load and method for internal use thereof  
The invention describes an internal test load and method for forming an internal test load which is adapted to absorb energy from a power source such as an RF transmitter, transceiver, or...
5179366 End terminated high power chip resistor assembly  
An end terminated high power chip resistor-printed circuit board assembly (9) suitable for use in applications requiring miniature surface mount resistors capable of high power dissipation. An end...
5159310 Resistor grid heat dissipating assembly  
A heat dissipating resistor grid has a rectangular or annular frame including side members carrying blocks or panels of insulating material having cavities in their inner surfaces. The resistor...
5119063 Variable power resistor  
A variable power resistor includes a heat sink having a front face and a back face with an electrically insulating, thermally conductive ceramic coating bonded directly onto the front face such...
4935717 Resistor device for controlling a blower  
A blower control resistor device includes a plurality of resistors leading to resistor terminals, and a plurality of connecting terminals joined with the resistor terminals by thermal fuses. The...
4931626 PIC thermistor device having heat radiation fins with adjustable temperature regulating guide plates  
A PTC thermistor device includes a heat generator containing a PTC thermistor unit, and heat radiators thermally coupled thereto. Each of heat radiators includes a plate, one main surface of which...
4868997 Dryer timer  
A dryer timer includes a housing and a motor and a cam assembly carried in the housing. A switch in the housing is responsive to the cam to switch the motor between a 120 VAC standard timer...
4638284 Tubular varistor arrangement  
A tubular varistor arrangement, particularly suitable for use in electrical connectors of circular cross-section, attains an electrical breakdown voltage equalling the cumulation of the breakdown...
4588976 Resistors obtained from sheet material  
These resistors are obtained from conductive sheet material, for example metal sheet material (usually referred to as "grids") in which additional plates are provided in order to distribute the...
4523079 Electric iron having electronic control circuit with a power resistor mounted on the soleplate  
An electric steam iron includes a plastic housing shell forming a hollow handle structure and a soleplate with steam generating means and ports for distribution of steam. A pump actuated by a...
4412126 Infrared source  
An infrared source comprising an electrically powered, hollow cylindrical rod which operates at lower temperatures and yet has no decrease in output power is configured by increasing the outside...
4359710 Annular resistor with zig-zag layer pattern for resistance elements  
An improved annular resistor, suitable for use in a diesel electric locomotive dynamic braking system and similar applications comprising an assembly of similar arcuate segments. Each resistor...
4346285 Heating device employing thermistor with positive coefficient characteristic  
A heating device for heating fluid is disclosed. The heating device includes a tanning unit including a thermistor element having a positive temperature coefficient characteristic and adapted to...
4335417 Heat sink thermal transfer system for zinc oxide varistors  
A heat transfer arrangement for zinc oxide varistors comprises a metal heat sink disk held in contact with one face of the varistor by means of a circumferential elastic sleeve. The heat generated...
4196411 Dual resistor element  
A resistor comprises a ceramic plate on the opposite surfaces of which a thick film is arranged in a pattern forming respective electrically resistive circuits which are connected by continuing...
4124794 Electrical heater unit  
An improved electrical heater using a vacuum surrounding the heating element instead of the usual gaseous or liquid medium for transfer of the heat to external means of dissipation. The heating...

Matches 1 - 50 out of 82 1 2 >