Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means
Patent
1984-01-13
1987-01-06
Wolfe, Jr., Willis R.
Internal-combustion engines
Poppet valve operating mechanism
Camshaft drive means
123 9027, 474111, F01L 104
Patent
active
046338268
ABSTRACT:
A cylinder block construction for an overhead cam shaft type V-engine having a timing chain passage formed to allow the cylinder block to be used for diametrically opposite cylinders. Timing chain guides are positioned in the timing chain passage with one of the timing chain guides providing chain tension control. Tension control is achieved by pivotably mounting one of the chain guides and biasing the chain guide against the timing chain with a chain tension means mounted in an opening in the cylinder block. Symmetrical openings are formed on either side of the timing chained passage to receive the chain tension means. The unused opening is capped.
REFERENCES:
patent: 1579681 (1926-04-01), Weller
patent: 2478106 (1949-08-01), Jozif
patent: 3388614 (1968-06-01), De Coye de Castelet
patent: 3738338 (1973-06-01), Wickman
patent: 4117813 (1978-10-01), Yamashita et al.
patent: 4230074 (1980-10-01), Ichikawa et al.
patent: 4480603 (1984-11-01), Tsuboi
Kurai Nobuyoshi
Suzuki Sadahide
Tominaga Nobuyoshi
Ueno Hajime
Mon Donald D.
O'Reilly David
Wolfe, Jr. Willis R.
Yamaha Hatsudoki Kabushiki Kaisha
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