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:
Nov. 19, 1991
Filed:
Apr. 19, 1990
Mamoru Honda, Toyota, JP;
Ken Shirato, Toyota, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
An oil sealing system for a turbo charger comprises a housing, a shaft rotatably supported by the housing via a bearing, a turbine-rotor fixed to one end of the shaft, a compressor-rotor fixed to the other end of the shaft, an oil conduit formed in the housing for supplying oil between the shaft and the bearing for lubrication, and an oil sealing device for preventing oil leakage to the turbine-rotor. The oil sealing device comprises, a depression and a drain formed in the housing, a ring-shaped depression and a groove formed on the shaft, and a seal-ring located between the housing and the groove.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile