Roller cam follower with positive lubrication

Details Roller cam follower with positive lubrication Roller cam follower with positive lubrication

1986-09-08

1987-11-24

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 905, F01M 910

Patent

active

047081023

ABSTRACT:
A hydraulic roller cam follower for an internal combustion engine having an integral cylindrical body including an annular oil receiving exterior groove for receiving oil from the engine oil supply and an enclosed recess opening in the lower end including spaced sidewalls, and a roller having a central bore mounted by a pin extending into the sidewalls of the recess wherein a lubricating oil passage extends through the body from the annular groove through the sidewall and into the recess having an outlet disposed to direct a supply of pressurized lubricating oil to the entrance of the roller bore.

REFERENCES:
patent: 1000722 (1911-08-01), Danner
patent: 1210871 (1917-01-01), Suffa
patent: 1565223 (1925-12-01), Church
patent: 1835622 (1931-12-01), Willgoos
patent: 1968982 (1934-08-01), Barnaby et al.
patent: 2346737 (1944-04-01), Essl
patent: 3176669 (1965-04-01), Kuchen et al.
patent: 3314303 (1967-04-01), Maat
patent: 3967602 (1976-07-01), Brown
patent: 4361120 (1982-11-01), Kueny

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