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.

Date of Patent:
Jul. 09, 2013

Filed:

Aug. 05, 2010
Applicants:

Nobuhiko Moriyama, Kyoto, JP;

Yoshihiro Nagano, Kyoto, JP;

Junichiro Kozaki, Kyoto, JP;

Inventors:

Nobuhiko Moriyama, Kyoto, JP;

Yoshihiro Nagano, Kyoto, JP;

Junichiro Kozaki, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 39/04 (2006.01); F04B 39/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A condensation sensor is provided within a power supply device that is provided integratedly with a vacuum pump main unit. When the condensation sensor detects condensation within the power supply device, a CPU closes a cooling water valve. This stops the flow of cooling water that flows through the interior of the power supply device, through a cooling water duct.


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