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:
Apr. 07, 1987
Filed:
Jan. 29, 1986
Ulrich Linsi, Zurich, CH;
BBC Brown, Boveri & Company, Limited, Baden, CH;
Abstract
An exhaust gas turbo-charger for internal combustion engines of the type having turbine rotor blades rotatable about an axis and a vaned guide device located upstream of turbine rotor blades, which vaned guide device includes a butterfly valve, a main guide vane ring and an auxiliary guide vane ring. Each guide vane ring is provided with a mutually separate supply duct, and the butterfly valve controls exhaust gas flow to the auxiliary guide vane ring. The auxiliary guide vane ring is located radially inside of the main guide vane ring and the butterfly valve is located upstream of the auxiliary guide vane ring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile