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Class 337/404 - With fusible element directly connecting contacts


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter wherein the fusible element is directly interposed
No. of patents: 40
Last issue date: 09/04/2007


NumberTitleIssue Date
7265653Method of providing a protective component with an adjusted time characteristic of the thermal transfer from a heating element to a fusible element
The invention relates to a method for producing a protective component, for example a fuse component or a fusing resistor, including a fusible element and a heating element, which are attached as stacking components to the surface of a substrate. The fusible element...
09/04/2007
7199697Alloy type thermal fuse and material for a thermal fuse element
An alloy type thermal fuse is provided in which a ternary Sn—In—Bi alloy is used, excellent overload characteristic and dielectric breakdown characteristic are attained, the insulation stability after an operation can be sufficiently assured, and a fuse element ...
04/03/2007
7142088Alloy type thermal fuse and material for a thermal fuse element
An alloy type thermal fuse is provided in which a ternary Sn—In—Bi alloy is used, excellent overload characteristic and dielectric breakdown characteristic are attained, the insulation stability after an operation can be sufficiently assured, and a fuse element ...
11/28/2006
7073472Starter having structure for preventing overheating
A starter for cranking an internal combustion engine is composed of an electric motor, an output shaft driven by the motor, a pinion gear coupled to the output shaft, and a magnetic switch. Electric power is supplied to the motor from an on-board battery through a s...
07/11/2006
7068141Thermal fuse
A thermal fuse having a quick melting property is provided. In the thermal fuse, metal layers 15, 16 connected to a fusible alloy 13 are provided at respective leading ends of a pair of metal terminals 11. The metal layers 15, 16 have lar...
06/27/2006
7042327Alloy type thermal fuse and wire member for a thermal fuse element
An alloy type thermal fuse is provided in which a ternary Sn—In—Bi alloy is used, the operating temperature belongs to the range of 130 to 170° C., the overload characteristic and the dielectric breakdown characteristic are excellent, the insulation stability a...
05/09/2006
7038569Alloy type thermal fuse and fuse element
The present invention relates to an alloy type thermal fuse and a fuse element which are particularly useful as a thermoprotector for a battery. It is an object of the invention to provide an alloy type thermal fuse in which a ternary In—Sn—Bi alloy or an alloy ...
05/02/2006
6963264Alloy type thermal fuse and wire member for a thermal fuse element
The invention relates to an alloy type thermal fuse and a wire member for a thermal fuse element, and provides an alloy type thermal fuse in which a fuse element does not contain a harmful metal, the operating temperature is about 150° C., the dispersion of the ope...
11/08/2005
6801117Fault sensing wire and alarm apparatus
A fault sensing electrical wire (411) utilized one or more sensor strips (407) which provide an impedance change when the wire is subject to an overtemperature condition or mechanical damage of the wire. A control unit (402) measures the impedan...
10/05/2004
6710310Heating element with integrated heat safety device
The invention relates to armoured heating elements. The invention specifically relates to a heating device (1) consisting of a tubular envelope, wherein a heating element (4) surrounded by insulation (3) is arranged, said heating element (4
03/23/2004
6512444Fault sensing wire and alarm apparatus
A fault sensing electrical wire (411) utilizes one or more sensor strips (407) which provide an impedance change when the wire is subject to an overtemperature condition or mechanical damage of the wire. A control unit (402) measures the impedance of the ...
01/28/2003
6445277Safety device of electric circuit and process for producing the same
A safety device of an electric circuit is provided, in which a thermal fuse securely prevents an accident from occurring when an overcurrent protector is extraordinarily overheated. The safety device includes: first protective means in an overcurrent prot...
09/03/2002
6198376Safety device for electric circuit
A safety device for preventing a trouble caused by an abnormal overheating of an electric circuit is provided, which includes: a circuit board; a first circuit pattern; a second circuit pattern; a first electrode connected to the first circuit pattern; a ...
03/06/2001
6040754Thin type thermal fuse and manufacturing method thereof
A thin type thermal fuse is structured by a resin base film, a pair of belt-shaped lead conductors, a low melting-point fusible alloy piece, flux and a resin cover film. Tip portions of the pair of belt-shaped lead conductors is fixed on the resin base fi...
03/21/2000
6037854Thermal fuse for fluorescent lamps
A fluorescent lamp thermal fuse arrangement is disclosed. The arrangement in a preferred embodiment comprises a fluorescent glass tube lamp, a thermal fuse wrapped externally around an end of the lamp, electrically insulated mechanical means, lead portion...
03/14/2000
5977860Surface-mount fuse and the manufacture thereof
A surface-mount fuse for protecting a circuit, which includes a substrate having first and second surfaces, each surface having first, second, third, and fourth ends, the substrate also having first, second, third, and fourth sides. The fuse includes a me...
11/02/1999
5923240Temperature fuse
A temperature fuse for use in an electric circuit provided in an automobile or the like. The temperature fuse includes a pressure-contact terminal having a pressure-contact blade, a temperature opening and closing member having one end connected electrica...
07/13/1999
5858454Overcurrent protection device
An overcurrent protection device and a method for the production thereof is provided wherein a fusible link is bonded across a pair of electrodes. A composite layer envelops the fusible link and is formed from a gelatinous composition. The composite layer...
01/12/1999
5699032Surface-mount fuse having a substrate with surfaces and a metal strip attached to the substrate using layer of adhesive material
A surface-mount fuse for protecting a circuit, includes a substrate having first and second surfaces, each surface having first, second, third, and forth ends, the substrate also having first, second, third, and fourth sides. The fuse also includes a meta...
12/16/1997
5652562Thermally fused resistor having a portion of a solder loop thermally connected to an electrically insulated portion of an outer surface of the resistor
A thermally fused resistor arrangement wherein a resistor is electrically connected at one end to a first resistor terminal and at an opposite end to a second resistor terminal. A solder loop is provided to make the electrical connection between one end o...
07/29/1997
5567143Flue draft malfunction detector and shut-off control for oil burner furnaces
Flue-draft-malfunction detector and shut-off control for oil burner furnaces automatically stops operation of the oil burner in event of flue draft malfunction and prevents further running operation of the oil burner until a meltable element in the contro...
10/22/1996
5363083Temperature responsive, electric overcurrent protection module
A temperature responsive electric overcurrent protection module incorporated in an electric circuit on a circuitboard has a PTC resistor which heats up when subjected to an excessive current. Its resistance rises with its temperature to control the curren...
11/08/1994
5173593Electric cigar lighter having a thermal safety fuse
A car-borne electric cigar lighter includes a receptacle having a spring contact for receiving the heater element of the lighter for energization. A pair of spaced electrially conductive connecting plates form part of the electrical circuit to the spring ...
12/22/1992
4933658High temperature fluid sensor
A high temperature fluid sensor has a fusible detector including a body having longitudinally extending conductors therein. A first portion of the conductors is confined within the body whereas a second portion of the conductors projects from an end of th...
06/12/1990
4881055High-temperature-fluid sensor
The Sensor is designed for use in detecting fire, or high temperature in vessels or pipes pressurized with air, gas or liquids. It has a polymer body which confines electrical conductors, and the conductors project from opposite ends of the body. The cond...
11/14/1989
4746892Thermally actuated latch for electrical circuits
A thermally actuated latch for electrical circuits is permanently operative for completing an electrical circuit upon exposure to a predetermined elevated temperature. The latch includes a fixed contact, a movable contact arm which is biased toward the fi...
05/24/1988
4622534Thermal fuse
A thermal fuse for use in interconnection of lead acid batteries which will fuse as a result of heat being conducted through the fuse from the batteries or other devices to which it is attached, rather than as a result of direct heating of the fuse conseq...
11/11/1986
4472705Thermostatic switch with thermal override
A bimetallic disc actuated thermostatic switch with thermal override comprises a base, a fixed contact on the base, a movable contact and a bimetallic disc which moves the movable contact into and out of engagement with the fixed contact to effect or inte...
09/18/1984
4441093Thermal fuse and the method of manufacturing the same
A thermal fuse comprises a coiled spring interposed in a stretched condition between two opposed conductors in such a fashion that the spring is imparted with tension and is soldered by a fusible alloy having a specified fusing point. The coiled spring is...
04/03/1984
4415796Electric iron with unitary thermostat and overtemperature control assembly
An adjustable stacked thermostat assembly, particularly for use in an electric appliance, such as an electric steam iron, includes a lower bimetallic heat deformable blade, an intermediate stiff conductive spring blade carrying a electrical contact and co...
11/15/1983
4208647Thermal switch with organic-glass bead mixture sensing pellet
A thermal switch for automatically opening a circuit when the ambient temperature exceeds a predetermined level is disclosed which utilizes a sensing pellet formed of an organic-glass bead mixture. The organic-glass bead pellet retains a pair of leads in ...
06/17/1980
4160968Normally open, thermal sensitive electrical switching device
A temperature sensitive normally open electrical switching device has a pair of normally isolated, current carrying leads. A casing defines a central cavity and encloses first and second electrodes which are electrically connected to separate ones of the ...
07/10/1979
4135176Thermal switch and method of making
A thermal switch device for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires arranged in side by side fashion are spring loaded into contact with one another by inserting the con...
01/16/1979
4124835Remotely controlled utility service interrupter system and apparatus
Apparatus for selectively disconnecting the electric service of individual customers from an electric power supply line by electrical signals transmitted from a central point remote from the customer's premises. A circuit interrupter, such as a circuit br...
11/07/1978
4032877Protector for electric circuits
A heat-sensitive protector, that is connectable into an electric circuit, has an elongated, effectively non-fusing element which performs the function of a connector as long as that protector is intact, and thereafter moves fron a retracted position to an...
06/28/1977
4017818Thermal switch device and method of making
A thermal switch for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires are arranged in side by side fashion with extremities extending in the same direction. A spring portion is i...
04/12/1977
4016522Thermal switch device and method of making
A thermal switch for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires are arranged in side by side fashion with extremities extending in the same direction. A spring portion is i...
04/05/1977
4016523Thermal switch device
A thermal switch for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires are arranged in side by side fashion with extremities extending in the same direction. A first spring portio...
04/05/1977
4001799Kiln alarm
An apparatus activates an alarm when the heat and temperature provided by a kiln reach a predetermined level. The apparatus includes a tube extending through the wall of the kiln. An integral mounting surface at the end of the tube inside the kiln provide...
01/04/1977
3995246Device for controlling the temperature and protecting against excessive flow of current of electric installations
A device for controlling the temperature and protecting against excessive flow of current of electric installations, said device being provided with a mechanical switch which opens itself at a definite previously selected temperature, said mechanical swit...
11/30/1976
 
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