Cooling system for automotive engine

Details Cooling system for automotive engine Cooling system for automotive engine

1985-02-26

1986-12-30

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Indicators and safety devices

123 4121, 123 4127, 123198D, F01P 322, F01P 514

Patent

active

046320695

ABSTRACT:
In order to detect cooling system malfunction, the operation of a pump which recycles the liquid coolant from a radiator (or condensor) to the coolant jacket of a vapor cooled type engine, is monitored. In the event that the pump operation period and frequency (viz., the time between changes in pump operation) fail to fall within a predetermined time schedule, a malfunction indicating signal is issued. The schedule can be varied in accordance with a signal indicative of the amount of fuel being combusted in the engine (viz., the amount of heat being produced by the engine) so as to take into the account the increased amount of coolant circulation which occurs under high engine load operation and the accompanying changes in pump operation characteristics.

REFERENCES:
patent: 1687679 (1928-10-01), Mallory
patent: 1787562 (1931-01-01), Barlow
patent: 3893108 (1975-07-01), McBride, Jr. et al.
patent: 4367699 (1983-01-01), Evans

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