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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7639114 | Temperature fuse protection device A temperature fuse protection device uses a hot melt metal to rivet for connecting two terminals in the circuit that are separated for making the two terminals electrically-connected and the circuit complete. There is a spacing in between the two free ends of the tw... | 12/29/2009 |
| 7330098 | Thermal fuse employing a thermosensitive pellet There is provided a thermal fuse employing a thermosensitive pellet that reacts to an operating temperature with limited variation, and operates with high precision and hence high reliability. To achieve this, the thermal fuse includes a switching function member in... | 02/12/2008 |
| 7323966 | Thermal pellet incorporated thermal fuse and method of producing thermal pellet A thermal fuse incorporating a thermal pellet has its operating temperature, or heat distortion temperature, adjusted and the thermosensitive material of the pellet avoids deformation, modification or similar deficiency if it is exposed to a severe external environm... | 01/29/2008 |
| 7286037 | Protective element A protective element with improved spherical segmentation performance during the melting of a low-melting metal member, has a heat-generating member and a low-melting metal member on a substrate, in which the low-melting metal member is heated and blown out by the h... | 10/23/2007 |
| 7265653 | Method 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 |
| 7239225 | Pyrotechnic circuit breaker A circuit breaker including a pyrotechnic element configured to ablate, tear, or cut a portion of the circuit. The portion of the circuit to be broken may be formed to be readily broken and/or may be a current load-based fuse. Also, the circuit breaker may be config... | 07/03/2007 |
| 7199697 | Alloy 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 |
| 7148453 | Control unit with thermal protection and an electrical heating device comprising the control unit An overheating protection system for a control unit includes an interrupter element, which, in its initial position defined with respect to a circuit board, electrically connects the opposite facing ends of at least one track on the circuit board, and an actuating e... | 12/12/2006 |
| 7142088 | Alloy 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 |
| 7106165 | Fuse, battery pack using the fuse, and method of manufacturing the fuse A fuse has a pair of lead terminals disposed on a substrate, an intermediate layers for welding formed on the surface of at least one of the lead terminals, and a fuse element. The fuse element is welded to the pair of lead terminals through the intermediate layer s... | 09/12/2006 |
| 7088216 | Protective device Protective devices for preventing overcurrent and overvoltage are disclosed. The devices includes a base substrate, a pair of electrodes formed on the base substrate, and a low-melting metal element connected between the pair of electrodes to interrupt the current f... | 08/08/2006 |
| 7068141 | Thermal 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 |
| 7038569 | Alloy 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 |
| 6957628 | Fuel-fired heating appliance with temperature-based fuel shutoff system A gas-fired water heater is provided with a combustion shutoff system which precludes further combustion within the water heater's combustion chamber in response to a combustion temperature therein reaching a predetermined level correlated to and indicative of a pre... | 10/25/2005 |
| 6921878 | Warmth-keeping structure of cold cathode lamp A warmth-keeping structure of cold cathode lamp comprises a cold cathode lamp, a soft electric heating component and two insulating components. The soft electric heating component is wound around the surface of the cold cathode lamp. Two ends of the soft electric he... | 07/26/2005 |
| 6911892 | Alloy type thermal fuse and fuse element thereof The invention provides a thermal fuse and a fuse element of the low-melting fusible alloy type in which the fuse element has an alloy composition of 37 to 43% In, 10 to 18% Sn, and the balance Bi. As a result, the operating temperature is in the range of 65 to 75° ... | 06/28/2005 |
| 6801117 | Fault 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 |
| 6750753 | Fuse structure window The present invention provides a fuse structure. The fuse structure comprises a substrate, a plurality of conductive layers, a dielectric layer and a plurality of conductive plugs. The fuse structure includes a plurality of fuse units, with increased the pitch betwe... | 06/15/2004 |
| 6734781 | Mounting structure for temperature-sensitive fuse on circuit board Electronic components are integrated onto the front surface of a circuit board 1 having an interconnection pattern formed thereon. In the vicinity of a particular electronic component (FET) 2 among those components that is likely to generate heat, a th... | 05/11/2004 |
| 6556122 | Thermal fuse, battery pack, and method of manufacturing thermal fuse A thermal fuse reduced in size and thickness can be obtained. Further, the thermal fuse will not be degraded in characteristics, productivity, reliability, quality, etc. even after reduction in size and thickness. The thermal fuse includes a fuse main bod... | 04/29/2003 |
| 6512444 | Fault 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 |
| 6507264 | Integral fuse for use in semiconductor packages A fuse element partially encapsulated in an arc-suppression material which can, in turn, be integrated along with a semiconductor device into a semiconductor package to provide overcurrent protection, as well as a method of integrating such a fuse along w... | 01/14/2003 |
| 6496098 | Pyrotechnic active element A pyrotechnic active element for separating media and/or fluids has a base element (12) and an electrical ignition element (26) which is arranged on or in the base element (12). The pyrotechnic active element also includes a pyrotechincal charge (28) whic... | 12/17/2002 |
| 6448884 | Circuit breaker A circuit breaker includes: a heating portion charged with heating agent and having a conductivity which is arranged between a first connecting terminal connected to a power source side and a second connecting terminal connected to a load side; an ignitio... | 09/10/2002 |
| 6445277 | Safety 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 |
| 6445276 | Electrical fuse for use in motor vehicles A fuse apparatus (1) is provided for selectively interrupting a load current (Ia) flowing between a pair of associated conductor leads. The fuse apparatus includes at least two spaced apart electrically conductive contact elements (5) operative... | 09/03/2002 |
| 6411190 | Circuit breaker A current sensor 73 detects a current flowing through a first buss bar 11. When a current value detected by the current sensor 73 became equal to or greater than a threshold current value, a CPU 74 outputs a driving control signal to a driving circuit 77,... | 06/25/2002 |
| 6344788 | Pyrotechnically operated electrical contactor The present invention relates to electrical contactors used in electric motors comprising batteries. The present invention relates more specifically to an electrical contactor (1) for a battery, consisting of a hollow body (2) defining an upstream part (1... | 02/05/2002 |
| 6323750 | Electrical component with a safety release An electrical component is installed in a plastic cup. The component has two electrical connecting lines, and a parting location that is bridged by a solder metal is arranged in one lead. In addition, a prestressed spring is arranged at the one lead for r... | 11/27/2001 |
| 6281781 | Circuit breaker The disclosed circuit breaker comprises a first connection terminal, a second connection terminal, a heat generating part having conductivity and disposed between the first connection terminal and second connection terminal, an igniting part igniting depe... | 08/28/2001 |
| 6281782 | Circuit breaker The circuit breaker disclosed in the invention comprises a first connection terminal, a second connection terminal, a heat generating part having conductivity disposed between the first connection terminal and second connection terminal, an igniting part ... | 08/28/2001 |
| 6275136 | Circuit breaker The circuit breaker disclosed in the invention comprises a first connection terminal, a second connection terminal, a rotatable conducting part disposed between the first connection terminal and second connection terminal, a heat generating part, an ignit... | 08/14/2001 |
| 6252488 | Metal oxide varistors having thermal protection A layer of thermal fusible material is placed on one surface of a metal oxide varistor (MOV) to monitor the heating of the MOV due to applied voltage spikes. The thermal fusible material is part of the electrical circuit which includes the MOV and melts a... | 06/26/2001 |
| 6204746 | Thermal overload mechanism A thermal overload mechanism for providing protection to tip and ring conductors in a telecommunications system in the event of a power cross occurrence of telephone lines with power lines. The thermal overload mechanism includes a clip having front and r... | 03/20/2001 |
| 6198376 | Safety 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 |
| 6194988 | Low melting point element fusion apparatus and circuit breaker including the same A fusion apparatus is equipped with a fuse, a solid combustion agent, an igniting device, and a spring. The solid combustion agent and the igniting device are accommodated within an inner casing. The inner casing is disposed in the vicinity of, or in cont... | 02/27/2001 |
| 6157288 | Current breaking system for vehicle An current breaking device is interposed between a battery for a vehicle and an electric load. When a circuit cut-off signal is generated from a control unit due to an automobile's collision, the current breaking device allows respective capsules 40 in a ... | 12/05/2000 |
| 6144283 | Temperature detectable large-current fuse and method of assembling the same A temperature detectable current fuse comprises a temperature detecting fuse having a fusible portion, a current fuse having a fusible portion and a table portion provided at the fusible portion thereof, on which the fusible portion of the temperature det... | 11/07/2000 |
| 6140904 | Thermal disconnect for high-temperature batteries A new type of high temperature thermal disconnect has been developed to protect electrical and mechanical equipment from damage caused by operation at extreme temperatures. These thermal disconnects allow continuous operation at temperatures ranging from ... | 10/31/2000 |
| 6088234 | Connection structure of circuit protection element The connection structure of a circuit protection element for securely connecting at least two lead terminals of the circuit protection element to a circuit board includes terminal connection elongated holes each provided in the circuit board for connectin... | 07/11/2000 |
