Auxiliary power port with integrated resettable overcurrent prot

Details Auxiliary power port with integrated resettable overcurrent prot Auxiliary power port with integrated resettable overcurrent prot

1998-12-16

2000-11-14

Jackson, Stephen W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

361 931, 361106, 361115, H02H 500

Patent

active

061478504

ABSTRACT:
An auxiliary power port such as is found in an automotive vehicle passenger compartment has a receptacle connected with the vehicle electrical system and a tubular, removable sleeve which fits inside the receptacle and receives a standard adapter plug of the type intended for use with automotive power ports. The exterior surface of the sleeve is covered with a layer of positive temperature coefficient (positive temperature coefficient) material, and insertion of the sleeve into the receptacle places the positive temperature coefficient layer in contact with the inner surface of the receptacle. The inner surface of the receptacle, the outer surface of the sleeve, and the positive temperature coefficient layer sandwiched therebetween form a positive temperature coefficient circuit overcurrent protection device. A number of interchangeable sleeves having different hold currents are provided for use with different electrical devices.

REFERENCES:
patent: 4456817 (1984-06-01), Mehnert et al.
patent: 4680444 (1987-07-01), Skovdal et al.
patent: 5199904 (1993-04-01), Wharton
patent: 5201677 (1993-04-01), Takayama
patent: 5606483 (1997-02-01), Sawai et al.

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