Internal-combustion engines – Cooling – Liquid coolants other than water and water treatment
Patent
1987-10-23
1989-03-28
Argenbright, Tony M.
Internal-combustion engines
Cooling
Liquid coolants other than water and water treatment
123 4174, 123 4184, F01P 302
Patent
active
048154199
ABSTRACT:
An engine cooling apparatus separately cools a cylinder head and a cylinder block which are positioned around upper and lower portions of an engine combustion chamber. For increased engine output power, the engine cooling system cools the cylinder head to a relatively low temperature and the cylinder block to a relatively high temperature. The cylinder block includes cylinder liners disposed in an oil jacket which is supplied with oil from an oil circulating system via a pressure reducing valve. Oil in the oil jacket returns through a return path into an oil reservoir in the engine, and air bubbles in the oil jacket are returned to the oil reservoir via an air bubble return passage which develops a pressure difference between its opposite open ends.
REFERENCES:
patent: 1749683 (1930-03-01), Windhoff
patent: 2085810 (1937-07-01), Ljungstrom
patent: 3127879 (1964-04-01), Giacosa et al.
patent: 4348991 (1982-09-01), Stang et al.
Asada Masazi
Danno Yoshiaki
Fukami Yoshinari
Kishimoto Mituru
Kitada Taizo
Argenbright Tony M.
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
Nippon Jidosha Engineering Kabushiki Kaisha
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