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:
Sep. 17, 1985
Filed:
Jan. 23, 1984
Kenichi Sato, Ebina, JP;
Yoshitaka Ohki, Yokohama, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A control system for evaporated fuel in a supercharged internal combustion engine having a canister including a reservoir for temporarily accommodating evaporated fuel by adsorption, an intake manifold downstream from a throttle valve and an intake duct upstream from the throttle valve, the intake manifold being communicated with the canister through a first evaporated fuel supply passage having a first purge control valve and the intake duct being communicated with the canister through a second evaporated fuel supply passage having a second purge control valve, wherein the second purge control valve is opened to urge the canister in communication with the intake duct through the second evaporated fuel supply passage when the negative pressure within the intake duct has reached a predetermined value or more.