Invention Grant
- Patent Title: Stirring fan for heat treatment apparatus, and heat treatment apparatus including the same
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Application No.: US15136225Application Date: 2016-04-22
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Publication No.: US10365043B2Publication Date: 2019-07-30
- Inventor: Hiromi Kakazu , Norihide Fujiyama , Masanori Okumura , Takeshi Ueda
- Applicant: Koyo Thermo Systems Co., Ltd.
- Applicant Address: JP Nara
- Assignee: Koyo Thermo Systems Co., Ltd.
- Current Assignee: Koyo Thermo Systems Co., Ltd.
- Current Assignee Address: JP Nara
- Agency: Studebaker & Brackett PC
- Priority: JP2015-89303 20150424
- Main IPC: F27D7/04
- IPC: F27D7/04 ; F27B3/22 ; F27B7/36 ; F27D7/02

Abstract:
A shaft of a stirring fan for a heat treatment apparatus includes a blade fixing portion for fixing a plurality of blades. The blade fixing portion has a cylindrical portion extending in a shaft direction of the shaft. A hole inside the cylindrical portion is open to one end face of the shaft. The stirring fan has a discharge portion for discharging gas inside the cylindrical portion to the outside of the blade fixing portion. The discharge portion is open to the outside of the blade fixing portion, at a position away from the one end face of the shaft.
Public/Granted literature
- US20160313064A1 STIRRING FAN FOR HEAT TREATMENT APPARATUS, AND HEAT TREATMENT APPARATUS INCLUDING THE SAME Public/Granted day:2016-10-27
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