Engine cylinder block

Details Engine cylinder block Engine cylinder block

1998-06-09

2000-11-28

Kamen, Noah P.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 415, 1231932, F02B 7518

Patent

active

06152090&

ABSTRACT:
In an engine cylinder block, a water jacket base wall is formed between a lower end of a water jacket outer wall and an intermediate part of a cylinder wall. A head bolt boss is formed in the water jacket outer wall for screwing in a head bolt. A thin part is formed in an intermediate part of the water jacket base wall. The rigidity of the water jacket base wall thereby falls, a force in the axial direction of the head bolt due to tightening of the head bolt or input of combustion pressure is absorbed by deformation of the water jacket base wall, and deformation of the cylinder wall is suppressed.

REFERENCES:
patent: 1271419 (1918-07-01), Bergdoll
patent: 1305041 (1919-05-01), Westergaard
patent: 2734497 (1956-02-01), Chayne
patent: 3492977 (1970-02-01), Fager
patent: 3674000 (1972-07-01), Reisacher et al.
patent: 4419970 (1983-12-01), Shaw
patent: 4742803 (1988-05-01), Chiles et al.
patent: 4846116 (1989-07-01), Sakurahara et al.
patent: 5148782 (1992-09-01), Kramer et al.
patent: 5474040 (1995-12-01), Murakami et al.

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