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. 10, 1989
Filed:
Feb. 09, 1987
Applicant:
Inventors:
Hiroyuki Goto, Anjo, JP;
Tokio Kohama, Nishio, JP;
Yoshitaka Nishio, Nagoya, JP;
Hideki Obayashi, Okazaki, JP;
Kazuyuki Horie, Anjo, JP;
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ; F02D / ;
U.S. Cl.
CPC ...
123403 ; 123 / ;
Abstract
An intake control system includes an intake control valve disposed in a common intake pipe connected to engine cylinders or a plurality of intake control valves disposed in intake pipes connected respectively to the engine cylinders. The intake control valves are openable and closable under the control of an electronic control unit directly or through respective actuators, based on an electric signal indicative of an operating condition of intake valves on engine cylinders.