Engine and outboard engine structure

Details Engine and outboard engine structure Engine and outboard engine structure

1994-12-16

1996-09-10

Kamen, Noah P.

Internal-combustion engines

Frame construction

Horizontal cylinder

123 544, 12318434, 123196W, 440900, F02F 700

Patent

active

055535860

ABSTRACT:
A plurality of cylinders are defined in a single cylinder block, and a single cylinder head common to the cylinders is mounted on the cylinder block. Exhaust passages are provided in the cylinder head at a location corresponding to an inner side and central portion of a V-shape formed by the cylinders, the exhaust passages communicating with the cylinders, respectively. Intake passages are provided in the cylinder head at a location corresponding to opposite outside positions of the V-shape, the intake passages communicating with the cylinders, respectively. The intake passages open into a side of the cylinder head on opposite sides of the V-shape, and fuel injection nozzles provided in the intake passages, respectively. The exhaust passage extend parallel to a crankshaft within the cylinder head and open into the corresponding side of the cylinder head. A water jacket is defined around the exhaust passages to surround the exhaust passages.

REFERENCES:
patent: 3973548 (1976-08-01), Celli
patent: 4787342 (1988-11-01), Matsumori et al.
patent: 4907551 (1990-03-01), Sakono et al.
patent: 5231958 (1993-08-01), Takahashi et al.
patent: 5309877 (1994-05-01), Shigedomi et al.
patent: 5388555 (1995-02-01), Shiomi et al.
Patent Abstracts of Japan, vol. 12, No. 400 (M-756), Oct. 24, 1988 & JP-A-63 143332, Jun. 15, 1988.
Patent Abstracts of Japan, vol. 12, No. 208 (M-709), Jun. 15, 1988 & JP-A-63 012873, Jan. 20, 1988.

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