Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means
Patent
1989-07-19
1990-09-18
Myhre, Charles J.
Internal-combustion engines
Poppet valve operating mechanism
Camshaft drive means
F01L 102
Patent
active
049570781
ABSTRACT:
An internal combustion engine having a V-type configuration with a camshaft disposed in the valley of the V and driven by an intermediate shaft that is offset to one side of the engine in the area of stagger between the cylinder banks. A gear train drives the intermediate shaft from the crankshaft and the camshaft from the intermediate shaft and provides a total gear reduction of one-half to one so that the camshaft rotates at one-half crankshaft speed. The engine is employed to operate a garden tractor having a lawn mower attachment.
REFERENCES:
patent: 3732745 (1973-05-01), Jackson
patent: 3732855 (1973-05-01), Jackson
patent: 4617882 (1986-10-01), Matsumoto
patent: 4633826 (1987-01-01), Tominaga et al.
patent: 4671223 (1987-06-01), Asano et al.
Kaji Reiichi
Ohkawa Tsuyoshi
Beutler Ernest A.
Lo Weilun
Myhre Charles J.
Yamaha Katsudoki Kabushiki Kaisha
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