Internal-combustion engines – Cooling – With vapor generation and/or condensing
Patent
1985-09-23
1987-04-21
Cuchlinski, Jr., William A.
Internal-combustion engines
Cooling
With vapor generation and/or condensing
123 4144, F01P 322
Patent
active
046587667
ABSTRACT:
In order to simultaneously control cooling system overheat and purge out any non-condensible matter that has come out of solution during engine warm-up and which has not be purged during a cold engine start, a valve and conduit arrangement which controls the communication between a reservoir located externally of the cooling circuit in which liquid coolant is permitted boil and the vapor used as a vehicle for removing heat from the heated structure of the engine, is conditioned so that firstly a valve located at a relatively low level is opened to render the cooling circuit open circuit and permit pressurized coolant vapor to move down through the radiator of the system in a manner which tends to carry any non-condensible matter with it out to the reservoir. Should this measure prove ineffective in obviating the overheat condition within a preselected period of time, then a second valve located at high level on the system is opened to additionally vent coolant vapor to the reservoir.
REFERENCES:
patent: 4367699 (1983-01-01), Evans
patent: 4565162 (1986-01-01), Seki et al.
patent: 4574747 (1986-03-01), Hirano
Cuchlinski Jr. William A.
Nissan Motor Co,. Ltd.
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