Internal-combustion engines – Cooling – With vent
Patent
1990-09-25
1992-05-12
Kamen, Noah P.
Internal-combustion engines
Cooling
With vent
123 4129, F01P 322
Patent
active
051117762
ABSTRACT:
A sealed type engine cooling system having a reservoir tank connected to the engine recirculating water passageway by inlet pipes connected to the upper outlet of an engine cooling water passageway and to the upper inlet of a radiator. The bottom portion of the reservoir tank is connected to the bottom of the engine cooling water passageway, for supplementing the engine cooling water, and is provided with a cap with a relief valve, to thereby discharge vapor created in the cooling water passageway under a hot soak condition. The relationship between the inner diameter of the pipes is such that the effective cross sectional area of the inlet pipe means is 1.5 to 3 times larger than the effective cross sectional area of the outlet pipe means, or the inlet pipe is arranged so that a minimum distance is obtained between the engine upper portion and the radiator, or a check valve is arranged in the outlet pipe, or the space inside the reservoir tank is partitioned into chambers, and the inlet and outlet pipes are connected to separate chambers.
REFERENCES:
patent: 4352342 (1982-10-01), Cser et al.
patent: 4473037 (1984-09-01), Michassouridis et al.
patent: 4510893 (1985-04-01), Schweiger et al.
Chino Yoshiharu
Ikeya Taro
Kosuda Toru
Matsushiro Ryuichi
Sasao Shigeo
Kamen Noah P.
Nippon Soken Inc.
Toyota Jidosha & Kabushiki Kaisha
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