Method and apparatus for improving lubricant seal life

Details Method and apparatus for improving lubricant seal life Method and apparatus for improving lubricant seal life

1986-04-24

1987-03-17

Cuchlinski, Jr., William A.

Internal-combustion engines

Crankcase ventilation

123196CP, 277152, 277DIG4, F01M 1300

Patent

active

046498702

ABSTRACT:
A method and apparatus for improving the life of a lubricant seal located around a movable shaft where it exits a fluid-containing housing on a vehicle with an internal combustion engine having a crankcase. The invention includes removing blowby, which contains lubricating oil mist, from the crankcase and channeling it into contact with the outside surface of the lubricant seal. The apparatus and method of this invention also involve isolating the lubricant seal from dust and dirt.

REFERENCES:
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patent: 2781632 (1957-02-01), Meijer
patent: 2902012 (1959-09-01), Malcolm
patent: 3123060 (1964-03-01), Daigh
patent: 3418986 (1968-12-01), Scherenberg
patent: 4134596 (1979-01-01), Kawai
patent: 4404936 (1983-09-01), Tatebe et al.
patent: 4470389 (1984-09-01), Mitadera et al.
patent: 4527520 (1985-07-01), Koch

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