Automatic engine protection system for use when electronic...

Details Automatic engine protection system for use when electronic... Automatic engine protection system for use when electronic...

2002-05-31

2008-10-21

Casaregola, Louis J (Department: 3746)

Power plants

Combustion products used as motive fluid

With safety device

C060S039281

Reexamination Certificate

active

07437871

ABSTRACT:
An automatic engine protection system for use when electronic parts of the control system are exposed to overtemperature conditions. A thermally sensitive component, such as an engine electronic control or an electronic overspeed control, is mounted on the engine. A thermal fuse is mounted adjacent, or in thermal contact with, the speed control. The thermal fuse is placed in electrical series with a valve which controls fuel delivery to the engine. If the temperature of the fuse exceeds its melting point, indicating a possible danger to the electronic control, the fuse melts, thereby terminating fuel to the engine.

REFERENCES:
patent: 4117670 (1978-10-01), Dombkowsi et al.
patent: 4315296 (1982-02-01), Hancock
patent: 5528897 (1996-06-01), Halin
patent: 5579632 (1996-12-01), Dutka et al.
patent: 6282882 (2001-09-01), Dudd, Jr. et al.

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