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:
Aug. 20, 2002
Filed:
Sep. 07, 2000
Applicant:
Inventors:
Makoto Kobayashi, Tokyo, JP;
Masakazu Yamamoto, Tokyo, JP;
Yoshio Miyake, Tokyo, JP;
Junya Kawabata, Tokyo, JP;
Keita Uwai, Tokyo, JP;
Yoshiaki Miyazaki, Tokyo, JP;
Katsuji Iijima, Tokyo, JP;
Assignee:
Ebara Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F09B 4/900 ;
U.S. Cl.
CPC ...
F09B 4/900 ;
Abstract
The present invention relates to a pump for delivering under pressure various liquids including water. The temperature of the handled liquid in a pump casing ( ) is detected by a thermistor ( ). If an increase in the temperature per time of the handled liquid is greater than a predetermined value, then the pump is shut down, or the flow rate or pressure of the liquid is changed depending on the temperature of the handled liquid detected by the thermistor based on a predetermined control program.