Supercharger vent

Details Supercharger vent Supercharger vent

1993-01-29

1994-01-25

Koczo, Michael

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working fluid passage in inner working or reacting member

4182011, F04C 1816, F04C 2902

Patent

active

052811166

ABSTRACT:
An intake manifold (18) of an engine (10) includes a Roots-type supercharger (26) having rotors (28,29) driven by timing gears (72,74) disposed in a gear chamber (62) having a self contained oil supply and vent 98. The vent is formed in an input drive shaft (52) of the supercharger. The vent embodiments of FIGS. 2-4 include a radially extending passage opening into gear chamber (62) and effective to sling oil mist back into the gear chamber.

REFERENCES:
patent: 2287716 (1942-06-01), Whitfield
patent: 2480818 (1949-08-01), Whitfield
patent: 3382018 (1968-05-01), Brkich
patent: 3875916 (1975-04-01), Patton
patent: 4402493 (1983-09-01), Tsuge
patent: 4579092 (1986-04-01), Kandler
patent: 4714418 (1987-12-01), Matsubara et al.
patent: 4886019 (1989-12-01), Davis et al.
patent: 4924839 (1990-05-01), Mueller et al.

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