Internal-combustion engines – Cooling – With vapor generation and/or condensing
Patent
1986-04-15
1987-05-05
Cuchlinski, Jr., William A.
Internal-combustion engines
Cooling
With vapor generation and/or condensing
123 4127, 16510427, F01P 322
Patent
active
046623175
ABSTRACT:
In order to simplify the control and construction of the cooling system in a manner which avoids the need for costly electromagnetic valves and control circuits such as microprocessor and the like, a reservoir in which coolant is stored is arranged to constantly communicate with a lower portion of a cooling circuit which includes the coolant jacket and the radiator in which the coolant vapor is condensed. A small coolant pump returns condensate from the radiator to the coolant jacket in response to a temperature sensor disposed in the coolant jacket. A cooling fan or like device is operated in response to a second temperature sensor disposed at the bottom of the radiator. The reservoir communicates with the ambient atmosphere through a relief valve which remains closed until a predetermined positive or negative pressure differential prevails between the ambient atmosphere and the interior of the reservoir.
REFERENCES:
patent: 4352342 (1982-10-01), Cser et al.
patent: 4367699 (1983-01-01), Evans
patent: 4563983 (1986-01-01), Hayashi et al.
patent: 4572115 (1986-02-01), Hayashi
Cuchlinski Jr. William A.
Nissan Motor Co,. Ltd.
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