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:
Sep. 04, 2001
Filed:
Oct. 15, 1998
Applicant:
Inventor:
Ryuichi Yamada, Hyogo, JP;
Assignee:
Tacmina Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 4/906 ;
U.S. Cl.
CPC ...
F04B 4/906 ;
Abstract
A control circuit of a solenoid actuated pump includes an energizing means for energizing a solenoid of the solenoid actuated pump, a detecting means for detecting the electrical energy of a power supply for supplying the electrical energy to the energizing means, and a processing unit for comparing the value of the electrical energy detected by the detecting means with a predetermined value to be supplied to the solenoid and supplying a control signal to the energizing means so as to adjust the detected value of the electrical energy to the predetermined value.