Valve spring support structure of engine

Details Valve spring support structure of engine Valve spring support structure of engine

2006-08-01

2006-08-01

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Valve

Having actuation springs concentric with valve stem

Reexamination Certificate

active

07082916

ABSTRACT:
A spring seat is formed of an outer spring seat10kand an inner spring seat10jformed in a stepped-down shape so as to be positioned lower than the outer spring seat10k, and a valve spring is formed of an outer spring37and an inner spring36that is disposed coaxially inside the outer spring37and that is larger in spring length than the outer spring37.

REFERENCES:
patent: 56093638 (1981-06-01), None
patent: 2000179344 (2000-06-01), None

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