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    • 1. 发明专利
    • TERMINAL EQUIPMENT AND OFFICE EQUIPMENT
    • JPH0379976A
    • 1991-04-04
    • JP21436389
    • 1989-08-21
    • HITACHI LTD
    • HAMADA YASUYOSHIGOTO TATSUOYANATORI MICHIOKUNUGI TAKAFUMIKAWACHI MASATAKAYAMANAKA HARUOKAKO YUTAKA
    • F24J3/00F25D9/00G06F1/00H05K7/20
    • PURPOSE:To prevent the temperature of a heat-evolving part inside a main body from rising when equipment is in operation and prevent an excessive fall of the temperature of equipment when it is not in action by providing in a main body a means for storing heat whereby heat evolving at a heat-evolving part is stored and the heat stored is released according to the temperature inside the main body so that the change of the inside temperature can be slackened. CONSTITUTION:At a motor 12, a heat-storing means 13 for storing heat evolving from the motor 12 is provided, and at a control 11, a heat-storing means 14 for storing heat evolving from the control 11 is provided. The temperature inside equipment continues to rise until the heat-storing material contained in the heat-storing means 13, 14 undergoes a change in phase; when the temperature reaches a point at which a change in phase occurs, the heat- storing material starts a change in phase and its temperature remains substantially constant until the heat-storing material completes the change in phase in its entirety; when the heat- storing material completes a change in phase in its entirety, the temperature of the heat-storing means 13, 14 resumes the rise. When the operation of the equipment is stopped, the equipment cools off and the temperature inside begins to fall. The heat stored in the heat-storing means 13, 14 at inside temperature below the phase-change point of the heat-storing material is released to the inside of the main body so that the fall of the temperature inside the main body can be slackened.