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:
Jan. 25, 1983
Filed:
Aug. 13, 1980
Applicant:
Inventor:
Masaaki Saito, Yokosuka, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123588 ;
Abstract
An air control device regulates the amount of air flowing through an air passage bypassing a throttle valve place in an induction passage leading to an engine for an automotive vehicle so that the air flow can increase during warming up of the engine. A shutter mechanism for regulating the effective area for the air flow through the air passage is cylindrical, for example, including an inner cylindrical body and an outer cylindrical body which are rotatable to each other.