The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2011
Filed:
Apr. 25, 2007
Yasuyuki Shibui, Tokyo, JP;
Masahiro Shimizu, Tokyo, JP;
Yasuyuki Shibui, Tokyo, JP;
Masahiro Shimizu, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
A motor-driven supercharger is provided with a thrust bearing () rotatably supporting a thrust force applied to a turbine shaft (). The thrust bearing () is constituted by a small-diameter disc-shaped thrust collar () rotating together with a turbine shaft, and a turbine side thrust bearing () and a compressor side thrust bearing () which block a movement in an axial direction of the thrust collar. The compressor side thrust bearing () has a small-diameter ring portion () including a thrust surface which is in contact with the thrust collar and has approximately an equal diameter, and a flange portion () fixed to a housing () in the turbine side, and the small-diameter ring portion and the flange portion are arranged at different positions in an axial direction.