Short circuit protected splice connector

Details Short circuit protected splice connector Short circuit protected splice connector

1995-07-27

1996-12-31

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

361 58, 361103, H02H 504

Patent

active

055900119

ABSTRACT:
A method and apparatus for providing electrical protection for circuits that use splice connections between a source of electrical power and wires of respective circuits. The splices provide a common connection of wires to the power source. The splice includes a positive temperature coefficient device in electrical series between the power source and the wires. The positive temperature coefficient device reduces the flow of current to the wires, and to any loads connected to the wires, when an excess amount of current flows through at least one of the wires and the splice. The temperature rise in the positive temperature coefficient device reaches a trip point, and the device remains in a trip state until power fed to the splice is removed.

REFERENCES:
patent: 3839692 (1974-10-01), Plasko
patent: 5153805 (1992-10-01), Tennant et al.
"The Use of Polymeric PTC Devices in Automotive Wiring Systems", Malcolm Walsh et al, SAE Technical Paper Series, International Congress and Exposition, Detroit, MI, Mar. 1-5, 1993, pp. 87-94.
"Protecting Automotive Wiring Assemblies with PolySwitch Devices", Raychem Application Bulletin, pp. 1-5. No date.
"Circuit board protection--a vaariety of choices", Warren Yates, Electronic Products,Feb. 1993, pp. 23-26.

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