Engine cylinder block reinforcing structure

Details Engine cylinder block reinforcing structure Engine cylinder block reinforcing structure

1987-07-07

1988-12-27

Wolfe, Willis R.

Internal-combustion engines

Frame construction

Horizontal cylinder

123195A, F16M 1026

Patent

active

047932996

ABSTRACT:
An engine cylinder block structure includes: a cylinder block integrally formed to include skirts projecting downwardly from both sides of the lower surface of the cylinder block; an oil pan attached to lower surfaces of both skirts of the cylinder block, the oil pan having a deep first portion on a front side and a shallow second portion on a rear side, the first and second portions being connected to each other; flanges integrally formed on lower ends of the skirts for having the oil pan attached thereto; and reinforcing mechanism for reinforcing the strength of both skirts. The reinforcing mechanism includes: a plate-shaped reinforcing member for reinforcing the strength of both skirts, the plate-shaped reinforcing member spanning and interconnecting portions corresponding to a range extending between the first portion of the oil pan and a portion excluding the rear end of the second portion of the oil pan; and stiffening mechanism for providing portions of the flanges corresponding to the second portion of the oil pan with a rigidity higher than that of portions of the flanges corresponding to the first portion of the oil pan.

REFERENCES:
patent: 2796857 (1957-06-01), Johansson
patent: 3100028 (1963-08-01), Booth et al.
patent: 3189126 (1965-06-01), May
patent: 3653464 (1972-04-01), Jacobsen et al.
patent: 3841203 (1974-10-01), Bruce

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