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:
Feb. 05, 1980
Filed:
May. 25, 1977
Applicant:
Inventor:
Shyushi Koseki, Yokosuka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01P / ; F01P / ;
U.S. Cl.
CPC ...
123 4131 ; 123 4156 ; 123 4158 ; 1231 / ; 1231 / ; 180 / ;
Abstract
A jacket conduit which surrounds the exhaust gas at a portion equipped with an engine exhaust gas component sensor and is spaced from the exhaust gas conduit to define an air chamber on same and is formed with an air inlet opening which opens from the atmosphere into the air chamber for admitting atmospheric air thereinto and a flow control valve for controlling the ramming atmospheric air into the air chamber in accordance with the exhaust gas temperature and preferably one of the atmospheric temperature and the engine coolant temperature.