Chain cover of internal combustion engine

Details Chain cover of internal combustion engine Chain cover of internal combustion engine

2009-01-23

2010-11-23

Kamen, Noah (Department: 3741)

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

C123S1950HC

Reexamination Certificate

active

07836859

ABSTRACT:
A first rib extending downward from a middle portion to an outer peripheral portion is formed on an inner wall of a chain cover. In addition a second rib, which extends downward from the outer peripheral portion to the middle portion and has a height lower than that of the first rib, is formed above the first rib. A projection extending in the height direction of the second rib is provided on an upper surface of the second rib.

REFERENCES:
patent: 6923154 (2005-08-01), Gschwindt et al.
patent: 8-200089 (1996-08-01), None
patent: 10-131734 (1998-05-01), None
patent: 10-220684 (1998-08-01), None
Japanese Office Action for counterpart Japanese application, No. JP2008-015378, issued on Dec. 15, 2009 (with translation) (5 pages).

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