Internal-combustion engines – Igniters – Incandescent
Patent
1977-05-31
1979-04-10
Lazarus, Ira S.
Internal-combustion engines
Igniters
Incandescent
123198D, 123198DB, F02D 104, F02B 7708
Patent
active
041482891
ABSTRACT:
There is disclosed an automatic control system for limiting the operating temperature of a diesel engine having a shut down lever that repositions the rack of its fuel pump to a shut down position that closes the pump metering valves and shuts off the fuel supply to the engine. The system includes a pyrometer to sense the exhaust gas temperature from the engine and generate a signal therefrom, a temperature controller having an adjustable, maximum set point temperature to receive the signal from the pyrometer and to generate a control signal which is applied to a control valve in a fluid pressure line which applies fluid pressure to a pressure responsive actuator that moves the shut down lever a fraction of its full travel necessary for shut down and thereby repositions the fuel pump rack to a throttling position in response to a sensed exhaust gas temperature which exceeds the preselected maximum set point temperature.
REFERENCES:
patent: 2734496 (1956-02-01), Hammond
patent: 3472068 (1969-10-01), List et al.
patent: 3596640 (1971-08-01), Bloomfield
patent: 3605711 (1971-09-01), Fuso
patent: 3738108 (1973-06-01), Goto et al.
patent: 3851469 (1974-12-01), Eichler et al.
patent: 3926163 (1975-12-01), Bastenhof
patent: 4020814 (1977-05-01), Hewitt et al.
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