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:
May. 23, 2000
Filed:
Feb. 09, 1999
Applicant:
Inventors:
Hiroaki Saeki, Hitachinaka, JP;
Tomio Hokari, Mito, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Car Engineering Co., Ibaraki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
12333927 ;
Abstract
An idle speed control device has a valve portion disposed in an auxiliary intake air passage by-passing a throttle valve disposed in a main intake air passage for opening and closing a valve provided in the auxiliary air passage, and a spring urging the valve portion to close. The spring is arranged in a portion separated from the air flow in the auxiliary intake air passage, and the valve portion has a guide portion formed therein to be integrated therewith for guiding sliding of the valve portion.