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:
Mar. 16, 1976
Filed:
Apr. 03, 1974
Applicant:
Inventors:
Sadao Matsuoka, Hiroshima, JA;
Takashi Takeshita, Hiroshima, JA;
Tomoo Tadokoro, Hiroshima, JA;
Masami Nakao, Hiroshima, JA;
Assignee:
Toyo Kogyo Co., Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
1231 / ; 261 / ; 261 63 ;
Abstract
Atmospheric pressure compensating means for an engine intake system, which includes an air bypass passage extending between the upstream side and downstream side of a throttle valve in an engine intake passage, and a control valve provided in the bypass passage for controlling the bypass passage area in accordance with pressure difference between the atmospheric pressure and suction pressure in said intake passage so that said passage area is increased in response to a decrease in said pressure difference.