Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1994-09-06
1996-03-26
Kamen, Noah P.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
123195P, 123509, 440 88, F02B 2506
Patent
active
055012027
ABSTRACT:
An engine of an outboard motor includes an improved engine component layout to minimize the size of the engine and to improve the performance of the components. A separator of a crankcase ventilation system is located on a cam cover outside the cam chamber in order to reduce the size of the cam cover while providing the necessary spacing between the separator and the valve mechanism within the cam chamber. A fuel pump is positioned at about the center of the cam cover, beneath the separator, to generally balance the length of fuel travel to each of the carburetors. A fuel filter also is located on the cam cover, beneath the fuel filter, to generally isolate the fuel filter from the effects of the heated cylinder head and block. The arrangement of these components does not interfere with the hinge-like travel of a top cowling, which surrounds the engine, relative to a lower tray.
REFERENCES:
patent: 4569323 (1986-02-01), Okumura
patent: 4597372 (1986-07-01), Furukawa
patent: 4667647 (1987-05-01), Ohtaka et al.
patent: 5036822 (1991-08-01), Kojima
Kamen Noah P.
Sanshin Industries Co., Ltd.
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