Rocker arm made of ceramics

Details Rocker arm made of ceramics Rocker arm made of ceramics

1989-03-02

1989-11-21

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9044, 123 9051, F01L 118

Patent

active

048814989

ABSTRACT:
A ceramic rocker arm is hollow and formed with two openings for providing communication between an inner hollow place and the outside of the rocker arm. The inner hollow place is communicated with a source of lubricant. The openings are located adjacent surface portions of the rocker arm contacting a cam and a valve so that lubricant is supplied through the inner hollow place and the openings to the joints between the rocker arm and the respective cam and valve. A filler of a synthetic resinous material is filled in the hollow ceramic rocker arm so as to prevent dispersion of small pieces upon breakage of the rocker arm.

REFERENCES:
patent: 4583502 (1986-04-01), Takahashi et al.
patent: 4796576 (1989-01-01), Matsuura et al.

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