Camshaft mounting structure for a cylinder head

Details Camshaft mounting structure for a cylinder head Camshaft mounting structure for a cylinder head

2005-07-26

2005-07-26

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

C123S1960CP, C123S193500

Reexamination Certificate

active

06920856

ABSTRACT:
The camshaft mounting structure for a cylinder head includes a journal part placed at the front of a cylinder head and supports a camshaft and accommodates a bolt coupling hole for securing the cylinder head and the cylinder block. The cylinder block includes oil holes communicating with oil passages for connecting with an actuator of a timing apparatus. A metal bearing is mounted on the journal part with a length identical to the maximum length of the journal part in relation to the axial direction of the camshaft, and formed with connecting holes communicating with the oil holes. Oil grooves are formed at the camshaft along the circumferential direction for communicating with the connecting holes.

REFERENCES:
patent: 5143034 (1992-09-01), Hirose
patent: 5954019 (1999-09-01), Yoshikawa et al.
patent: 6032629 (2000-03-01), Uchida
patent: 6035817 (2000-03-01), Uchida
patent: 6076492 (2000-06-01), Takahashi
patent: 2000-328908 (2000-11-01), None

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