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:
Jun. 10, 1986
Filed:
Sep. 28, 1984
Applicant:
Inventor:
Akio Matsumoto, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60289 ; 417 43 ;
Abstract
A control device for a power-driven pump used for a car comprising a d.c. motor, an air pump driven by the d.c. motor and an exhaust device for reburning and purifying exhaust gas from an engine by actuating the air pump, wherein sensors for detecting quantity of air necessary to be fed into the exhaust device to purify the exhaust gas and a variable control device to variably control the revolution speed of the d.c. motor depending on the quantity of air.