Cooling system for internal combustion engine

Details Cooling system for internal combustion engine Cooling system for internal combustion engine

1997-03-21

1997-12-23

Solis, Erick R.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 4132, 123 4179, F02B 7518

Patent

active

056997604

ABSTRACT:
A cooling system for a reciprocating multicylinder internal combustion engine includes discharge passages for conducting coolant from the cylinder block to specific regions of the cylinder head so as to increase the localized heat transfer coefficient between coolant and the cylinder head. Flow through the cylinder head is separated into an intake side flow and a central and exhaust side flow so as to promote better heat transfer and to allow the engine to be operated with a higher compression ratio and greater spark advance.

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patent: 5115771 (1992-05-01), Ozawa et al.
patent: 5337704 (1994-08-01), Roth
patent: 5357910 (1994-10-01), Wenger et al.
SAE Technical Paper 912469, "Development of High Performance Engine for Passenger Cars", Suematsu et al, Toyota, pp. 145-157.
SAE Technical Paper 912467, "Improvement of Toyota 4-valve Standard Engines", Matsuda et al, Toyota.
SAE Technical Paper 970624, "Analysis of a Direct Injected Gasoline Engine", Karl et al, Mercedes-Benz AG, Feb. 24-27, 1997.

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