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.

Date of Patent:
Mar. 01, 1988

Filed:

Oct. 03, 1985
Applicant:
Inventors:

Hideo Kobayashi, Saitama, JP;

Haruo Shimamura, Saitama, JP;

Hiroshi Hasebe, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123588 ;
Abstract

A secondary air control device for an internal combustion engine wherein the secondary air is introduced into the engine intake downstream of the carburetor in response to sudden increases in vacuum, such as upon rapid deceleration of the vehicle and in turn the engine. The device includes detectors and a circuit for controlling the operation of the secondary air control valve which prevent opening of the valve if both the engine temperature is too low and the vehicle transmission is in neutral.


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