Camshaft driving arrangement for internal combustion engine

Details Camshaft driving arrangement for internal combustion engine Camshaft driving arrangement for internal combustion engine

1989-12-14

1990-09-11

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

123 9033, 123196M, F01M 910

Patent

active

049553356

ABSTRACT:
A camshaft driving arrangement for an internal combustion engine comprises a cylinder head formed with a cam chamber, and an idler chamber communicating with an oil pan and an end face of the cylinder head. The end face includes openings allowing communication between the cam chamber and the idler chamber. An idler shank is fixedly mounted on the cylinder head. An idler sprocket is rotatably supported on the idler shank, and includes a radial portion disposed adjacent the end face. The end face, the radial portion, and the idler shank cooperate with each other to define a passage allowing oil flowing out of the cam chamber via the openings to flow down toward the oil pan.

REFERENCES:
patent: 4121558 (1978-10-01), Sakakibara et al.
patent: 4449487 (1984-05-01), Kruger et al.
patent: 4607601 (1986-08-01), Kohler
patent: 4633826 (1987-01-01), Tominaga et al.
patent: 4677948 (1987-07-01), Candea
patent: 4729348 (1988-03-01), Okada et al.
patent: 4750455 (1988-06-01), Ebesu
patent: 4827881 (1989-05-01), Baker et al.

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