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:
Nov. 22, 1977
Filed:
Dec. 13, 1974
Applicant:
Inventors:
Hidenori Tateno, Nagoya, JA;
Tetsuomi Tamura, Toyota, JA;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ; 123D / ;
Abstract
A throttle positioner to ensure a predetermined minimum opening of a throttle valve when an engine is abruptly decelerated from a relatively high speed condition, said positioner being adapted to be switched over between operating and non-operating conditions by alternating the introduction of intake tube vacuum or atmospheric pressure into a diaphragm means, wherein a combination of a check valve and constricting means is provided to optionally determine the time constant of said switching over operation.