Hydraulic oil for use in sealed-type, lash adjusters

Details Hydraulic oil for use in sealed-type, lash adjusters Hydraulic oil for use in sealed-type, lash adjusters

1987-06-16

1989-01-17

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9058, F01L 114

Patent

active

047981792

ABSTRACT:
A hydraulic oil for a sealed-type lash adjuster is engine oil based, comprising mineral oil as a principal component, and 3% or less by weight of an additive which includes at least one of an anti-oxidant, a detergent-dispersant, a rust preventative, and an anti-foaming agent.

REFERENCES:
patent: 3495577 (1970-02-01), Collins
patent: 4129508 (1978-12-01), Fruihaut
patent: 4338894 (1982-07-01), Kodama

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