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:
Dec. 22, 2015

Filed:

Jul. 29, 2013
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventors:

Koji Suzuki, Yamanashi, JP;

Shouta Irie, Yamanashi, JP;

Assignee:

FANUC CORPORATION, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/00 (2006.01); F28F 27/00 (2006.01); G01K 3/00 (2006.01); G01K 13/02 (2006.01); F25B 49/00 (2006.01);
U.S. Cl.
CPC ...
F28F 27/00 (2013.01); G01K 3/005 (2013.01); G01K 13/02 (2013.01); F25B 49/005 (2013.01);
Abstract

A wire electric discharge machine that machines a workpiece by supplying a working fluid to a work tank where the workpiece is placed includes a temperature monitor, which exercises control so that the temperature of the working fluid is within a predetermined range. An alarm is displayed when the temperature of the working fluid is outside an allowable temperature range. A time that has elapsed since the temperature of the working fluid falls within the allowable temperature range from outside the allowable temperature rage is measured and when the measured time exceeds a preset working fluid temperature difference disappearing time, the alarm is called off.


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