Engine block structure in multi-cylinder engine

Details Engine block structure in multi-cylinder engine Engine block structure in multi-cylinder engine

1998-09-28

2000-12-12

Dolinar, Andrew M.

Internal-combustion engines

Multiple cylinder

Cylinder offset from crankshaft axis

F02B 7520

Patent

active

061584029

ABSTRACT:
In an engine block structure in a multi-cylinder engine in which a piston is incorporated from the side of a crank chamber into each of a plurality of cylinders disposed in series in a cylinder block, cylinder axes of the two adjacent cylinders are disposed to extend in such directions that they are gradually spaced apart from each other as proceeding from the side of a valve operating chamber toward the crank chamber as viewed from a direction of arrangement of the cylinders. Thus, a sufficient crankshaft bearing area can be ensured without bringing an increase in number of parts and an increase in size of the engine block.

REFERENCES:
patent: 1697952 (1929-01-01), French
patent: 3766894 (1973-10-01), Mize
patent: 4876992 (1989-10-01), Sobotowski
patent: 5143033 (1992-09-01), Catterson et al.

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