HEAT TREATMENT FURNACE - KOYO THERMO SYS KK

Title:

HEAT TREATMENT FURNACE

Document Type and Number:

Japanese Patent JP2004093050

Kind Code:

A

Abstract:

To provide a new technology in which freedom of control of the revolution number of a motor is high under a purpose for avoiding adoption of the motor having a large capacity.

The heat treatment furnace 1 in which the inside of the furnace is stirred by a fan 4 driven by the motor 5 is provided with a temperature detection part 8 for detecting the temperature in the furnace and outputting a signal; and control means 6, 9 to which the signal of the temperature detection part 8 is imparted. The control means 6, 9 control the revolution number of the motor corresponding to the temperature in the furnace such that the revolution number of the fan 4 is increased as the temperature in the furnace detected by the temperature detection part 8 is raised.

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Inventors:

DEGUCHI SHINICHI
OKAMOTO MASATO
YAMAMORI KENTARO

Application Number:

JP2002256734A

Publication Date:

March 25, 2004

Filing Date:

September 02, 2002

Export Citation:

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Assignee:

KOYO THERMO SYS KK

International Classes:

F27D19/00; F27D7/04; (IPC1-7): F27D7/04; F27D19/00

Attorney, Agent or Firm:

Takafumi Watanabe
Hideki Kita
Hiroshi Sakamoto

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