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:
Jun. 09, 1981
Filed:
Nov. 14, 1978
Applicant:
Inventors:
Tadao Mitsuda, Susono, JP;
Minoru Iwata, Susono, JP;
Masatoshi Sugiura, Obu, JP;
Shigetaka Takada, Obu, JP;
Yukihiro Watanabe, Nagoya, JP;
Assignees:
Toyota Jidosha Kogyo Kabushiki Kaisha, Aichi, JP;
Aisan Industry Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60276 ; 60289 ; 60290 ; 123440 ; 123589 ;
Abstract
An apparatus for controlling the amount of secondary air fed into an internal combustion engine includes means for controlling the response speed of a secondary air flow control means in accordance with the amount of exhaust gas emitted from the engine. Thus, the equivalent air-fuel ratio can be correctly controlled, without delay, in response to changes in the operating condition of the engine.