Internal-combustion engines – Cooling – With vapor generation and/or condensing
Patent
1986-04-15
1987-04-21
Cuchlinski, Jr., William A.
Internal-combustion engines
Cooling
With vapor generation and/or condensing
123 4124, 123 4127, F01P 322
Patent
active
046587659
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. An overflow conduit is arranged to return excess coolant pumped into the coolant jacket via a conduit which leads from an overflow port provided in the cylinder head at a predetermined height above highly heated structure of the engine to the base of the radiator and thus maintain a predetermined depth of liquid coolant in the jacket. A cooling fan or like device is operated in response to a second temperature sensor disposed at the bottom of the radiator.
REFERENCES:
patent: 1346331 (1920-07-01), Muir
patent: 1558009 (1925-10-01), Giesler
patent: 1643510 (1927-09-01), Muir
patent: 1676961 (1928-07-01), Muir
patent: 1891480 (1932-12-01), Ross
patent: 4367699 (1983-01-01), Evans
patent: 4572115 (1986-02-01), Hayashi
Cuchlinski Jr. William A.
Nissan Motor Co,. Ltd.
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