Internal-combustion engines – Poppet valve operating mechanism – Rod
Patent
1985-06-11
1986-06-10
Lazarus, Ira S.
Internal-combustion engines
Poppet valve operating mechanism
Rod
123 9027, 123193H, F01L 104
Patent
active
045936579
ABSTRACT:
An internal combustion engine of the multiple valve type embodying an improved supporting arrangement for a camshaft that directly operates one valve and indirectly operates a pair of valves. The camshaft is provided with bearing surfaces on opposite sides of the cam lobes and a pair of bearing caps cooperate with the cylinder head for supporting these bearing surfaces. Each bearing cap and the cylinder head journal one of the bearing surfaces of the camshaft around its circumference and the other of the camshaft bearing surfaces are journaled only by the bearing cap and not by the cylinder head so as to afford clearance and yet adequate support.
REFERENCES:
patent: 3289658 (1966-12-01), Suroveh, Sr.
patent: 4430968 (1984-02-01), Futakuchi et al.
patent: 4534325 (1985-08-01), Tanaka
Aoi Kazuo
Ozawa Toshikazu
Beutler Ernest A.
Lazarus Ira S.
Yamaha Hatsudoki Kabushiki Kaisha
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