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. 07, 1984
Filed:
Nov. 06, 1981
Applicant:
Inventors:
Rainer Sudbeck, Duisburg, DE;
Hans Baumgartner, Viersen, DE;
Assignee:
Pierburg GmbH & Co., KG., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; F02B / ; F02B / ;
U.S. Cl.
CPC ...
60274 ; 60307 ; 60397 ; 123559 ; 417237 ; 417380 ; 417405 ;
Abstract
In an internal combustion engine a rotary gas motor, driven by the intake gas of the engine, drives pump providing secondary air to the engine exhaust at low engine load, and at high load a clutch connects the pump and the motor to the engine shaft, the output of the pump and the motor being delivered to the engine intake.