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. 21, 1983
Filed:
Apr. 06, 1981
Seietsu Yoshida, Kariya, JP;
Masao Ito, Kariya, JP;
Yukio Kawai, Toyota, JP;
Toshihisa Ogawa, Aichi, JP;
Nippondenso Co., Ltd., Kariya, JP;
Toyota Jidosha Kogyo K.K., Toyota, JP;
Abstract
A device for controlling air-fuel ratio for an internal combustion engine with a use of the signal from an oxygen sensor adjacent to a three-way catalytic converter, the device comprising throttle sensor for detecting the transient running state of the engine and supplying the detected signal to a controller, integration by an integration circuit in the controller being commenced at a predetermined value produced in an initial voltage setting circuit in the controller, regardless of the preceding value of the output of the integration circuit, in such a transient state as a sudden deceleration.