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Title: Non-contact type seal device for turbocharger

Abstract

A non-contact type seal device is described for a turbocharger, comprising: a retainer mounted in a compressor chamber of a housing of the turbocharger; a collar attached to a compressor wheel mounting portion of a rotor shaft of the turbocharger; and a ring provided on an inner peripheral surface of the retainer, an annular groove receiving the ring being formed in an outer peripheral surface of the collar; a first gap being formed between the outer peripheral surface of the collar and the inner peripheral surface of the retainer; a second gap being formed between the inner surface of the annular groove and each of inner and opposite end surfaces of the ring; and a threaded groove being formed in the inner peripheral surface of the retainer in opposition to the outer peripheral surface of the collar.

Inventors:
; ;
Publication Date:
OSTI Identifier:
6721127
Patent Number(s):
US 4645213
Assignee:
Taiho Kogyo Co., Ltd., Aichi
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 28 Jun 1985
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS; INTERNAL COMBUSTION ENGINES; TURBOCHARGERS; SEALS; FASTENERS; ROTORS; SHAFTS; SURFACES; COMPRESSORS; ENGINES; HEAT ENGINES; MACHINE PARTS; SUPERCHARGERS; 330100* - Internal Combustion Engines

Citation Formats

Washimi, K, Shibata, M, and Ugajin, M. Non-contact type seal device for turbocharger. United States: N. p., 1987. Web.
Washimi, K, Shibata, M, & Ugajin, M. Non-contact type seal device for turbocharger. United States.
Washimi, K, Shibata, M, and Ugajin, M. 1987. "Non-contact type seal device for turbocharger". United States.
@article{osti_6721127,
title = {Non-contact type seal device for turbocharger},
author = {Washimi, K and Shibata, M and Ugajin, M},
abstractNote = {A non-contact type seal device is described for a turbocharger, comprising: a retainer mounted in a compressor chamber of a housing of the turbocharger; a collar attached to a compressor wheel mounting portion of a rotor shaft of the turbocharger; and a ring provided on an inner peripheral surface of the retainer, an annular groove receiving the ring being formed in an outer peripheral surface of the collar; a first gap being formed between the outer peripheral surface of the collar and the inner peripheral surface of the retainer; a second gap being formed between the inner surface of the annular groove and each of inner and opposite end surfaces of the ring; and a threaded groove being formed in the inner peripheral surface of the retainer in opposition to the outer peripheral surface of the collar.},
doi = {},
url = {https://www.osti.gov/biblio/6721127}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 24 00:00:00 EST 1987},
month = {Tue Feb 24 00:00:00 EST 1987}
}