Internal-combustion engines – Cooling – With vapor generation and/or condensing
Patent
1985-02-04
1986-01-14
Cuchlinski, Jr., William A.
Internal-combustion engines
Cooling
With vapor generation and/or condensing
123 4127, 123563, 60599, F01P 322, F02B 2904
Patent
active
045639833
ABSTRACT:
A turbocharger intercooler and engine cooling system are integrated in a manner that the coolant in both arrangements is permitted to boil and the vapor generated condensed in a common radiator. The intercooler is arranged to have liquid coolant pumped into it from the radiator in response to one of the temperature or pressure of the supercharged air exceeding a predetermined level. Excess coolant fed to the intercooler coolant jacket is permitted to overflow via an overflow conduit back to the base of the radiator. The rate at which vapor from both arrangements is condensed is controlled in a manner to raise the pressure within the system and increase the boiling point of the coolant during low load modes such as urban cruising while lower the pressure and boiling point in response to high speed/load engine operation. When the engine is stopped with entire system is filled with liquid coolant in a manner to exclude contaminating atmospheric air.
REFERENCES:
patent: 4258550 (1981-03-01), Hinkle et al.
patent: 4317439 (1982-03-01), Emmerling
patent: 4348991 (1982-09-01), Stang et al.
Hayashi Yoshimasa
Itoh Yoji
Cuchlinski Jr. William A.
Nissan Motor Co,. Ltd.
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