Four cycle engine

Details Four cycle engine Four cycle engine

1991-09-03

1995-01-31

Kamen, Noah P.

Internal-combustion engines

Poppet valve operating mechanism

Overhead camshaft

123 9031, 123 9048, 123 9067, 123 544, F01L 102

Patent

active

053851250

ABSTRACT:
A multiple valve internal combustion engine and specifically a cylinder head and valve operating mechanism therefore. The cylinder head is formed from a two part construction and an arrangement is provided for operating the valves that permits a maximum volume cooling jacket to be formed on the exhaust side of the cylinder head. The camshaft and tappet mechanism for operating the valves is formed in a second cylinder head portion and a port extends through both cylinder head portions for serving the combustion chamber of the cylinder head. Various cam drive arrangement including either gear or chain drives are also disclosed.

REFERENCES:
patent: 4553473 (1985-11-01), Ichida et al.
patent: 4615309 (1986-10-01), Yoshikawa
patent: 4617882 (1986-10-01), Matsumoto
patent: 4745888 (1988-05-01), Kapp
Patent Abstract of Japan vol. 015, No. 497, Dec. 16, 1991 & JP-A-03 217 606, Sep. 25, 1991.
Patent abstract of Japan vol. 014, No. 355 Jul. 31, 1990 & JP-A-2 123 207 May 10, 1990.
Patent Abstract of Japan vol. 011, No. 323, Oct. 21, 1987 & JP-A-62 107 211 May 18, 1987.

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