Hollow cam shaft

Details Hollow cam shaft Hollow cam shaft

1986-06-04

1988-03-15

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Rod

F01L 104

Patent

active

047305819

ABSTRACT:
A hollow cam shaft for use in an internal combustion engine is disclosed. The cam shaft includes a steel pipe, a journal portion and a cam portion. The journal portion is provided at a part of the outer peripheral surface of the steel pipe and having an outer diameter smaller than that of the steel pipe. A cam lobe is assembled on the other portion of the outer peripheral surface of the steel pipe. The journal portion is formed by cutting the part of the outer peripheral surface of the steel pipe by a uniform axial length and radial depth.

REFERENCES:
patent: 2397511 (1946-04-01), Schreck
patent: 3477417 (1969-11-01), Moulin
patent: 4265388 (1981-05-01), Takahashi et al.
patent: 4395980 (1983-08-01), Tominaga et al.
patent: 4592314 (1986-06-01), Tsuchida

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