Turbocharger

Details Turbocharger Turbocharger

1997-02-26

1999-11-30

Koczo, Michael

Pumps

Motor driven

Fluid motor

F02B 3900

Patent

active

059931736

ABSTRACT:
A turbocharger includes a main housing (1) for housing a turbine rotor (2) and a compressor impeller (4). An independent bearing box (23) is provided in the main housing (1). The main housing (1) is comprised of a turbine housing (3) and a compressor housing (5). A rotating shaft (7) connecting the turbine rotor (2) with the compressor impeller (4) is supported by a semi-float metal bearing (24) placed in the bearing box (23). An oil passage (26) is formed in the main housing (1) for feeding an oil to inside and outside of the semi-float metal bearing (24) in the bearing box (23). Oil grooves (37) are formed in end faces of the metal bearing (24) and another grooves (34) are formed at end faces of the bearing box (23) for discharging the oil from the semi-float metal bearing (24). Oil flow in the turbocharger housing (1) is controlled by the oil grooves (34, 37).

REFERENCES:
patent: 3390926 (1968-07-01), Woollenweber
patent: 3811741 (1974-05-01), McInerney et al.
patent: 3969804 (1976-07-01), MacInnes et al.
patent: 4025134 (1977-05-01), Reisacher
patent: 4240678 (1980-12-01), Sarle et al.
patent: 4613288 (1986-09-01), McInerney
Patent abstract of Japanese Publication No. 07139363 dated May 30, 1995.

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