Search International and National Patent Collections

1. (WO2017199695) BEARING STRUCTURE FOR SUPERCHARGER, AND SUPERCHARGER

Pub. No.:    WO/2017/199695    International Application No.:    PCT/JP2017/016207
Publication Date: Fri Nov 24 00:59:59 CET 2017 International Filing Date: Tue Apr 25 01:59:59 CEST 2017
IPC: F02B 39/14
F02B 39/00
Applicants: IHI CORPORATION
株式会社IHI
Inventors: IKEYA Nobuyuki
池谷 信之
Title: BEARING STRUCTURE FOR SUPERCHARGER, AND SUPERCHARGER
Abstract:
Provided is a bearing structure for a supercharger comprising a turbine and a compressor, which are provided at the opposite ends of a rotating shaft, the bearing structure supporting the rotating shaft relative to a housing. A bearing structure for a supercharger comprises: an oil-lubricated first radial bearing provided on the turbine side of a rotating shaft; a second radial bearing which is an air bearing and which is provided on the compressor side of the rotating shaft; a gas seal section provided between the first radial bearing and the turbine so as to surround the rotating shaft; and a thrust bearing which is an air bearing and which is provided on the compressor side of the rotating shaft.