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:
Nov. 30, 1999
Filed:
Feb. 20, 1997
Applicant:
Inventors:
Seiji Kawada, Hitachi, JP;
Yasuto Kondoh, Hitachi, JP;
Michio Sasaki, Juuou-machi, JP;
Hiroyuki Kido, Hitachi, JP;
Tetsuya Hashimoto, Hitachi, JP;
Assignees:
Hitachi Ltd., Tokyo, JP;
Hitachi Engineering & Services Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62-34 ; 62-37 ;
Abstract
A drier has a cooler block for drying internal cooling gas circulated in an electric machine, and the temperature of the cooler block is controlled by a thermoelectric device having Peltier effect and keep a constant temperature being near freezing point and not below the freezing point of dew drop contained in the gas.