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    • 2. 发明专利
    • Warm air drier
    • 暖风机
    • JPS54147561A
    • 1979-11-17
    • JP5449278
    • 1978-05-10
    • Hitachi Ltd
    • KOBAYASHI EIJIWATANABE ATSUMIOTAHARA YOUJITSUTSUMI YASUYUKIYAMATSU NORIO
    • D06F58/00
    • PURPOSE: To enable warm air to sterilize clothes and pajamas, etc., at the drying process by mixing the drying warm air with a gas provided with sterilizing power.
      CONSTITUTION: A warm air blower 5 is composed of an air blowing section 8 to house a vane 7 and a heating section 10 to house 3 heat-generating bodies 9a, 9b and 9c. When the vane 7 is rotated by a motor 11, air comes into the unit from an air inlet 12 and goes out from an air outlet 6. While plus (or positive) resistant temperature characteristic element is usually used for the heat-generating element, nichrome wire may also be used. An ozone generator 14 is to generate ozone by impressing on high voltage between electrodes 15 and 16 or discharge dof electricity, and also to send the ozone-containing warm air to a warm air mat.
      COPYRIGHT: (C)1979,JPO&Japio
    • 目的:通过将干燥的暖风与具有灭菌能力的气体混合,使干燥过程中的衣服和睡衣等温暖空气消毒。 构成:暖风机5包括用于容纳叶片7的空气吹送部8和容纳3个发热体9a,9b,9c的加热部10。 当叶片7由马达11旋转时,空气从空气入口12进入该单元并从空气出口6出来。虽然加热(或正)耐温特性元件通常用于发热元件, 也可以使用镍铬合金丝。 臭氧发生器14通过在电极15和16之间的高压施加压力或排出电力来产生臭氧,并且还将含臭氧的暖空气发送到暖空气垫。
    • 3. 发明专利
    • GROUNDING DETECTION DEVICE FOR ELECTRIC POWER SYSTEM
    • JPS5498947A
    • 1979-08-04
    • JP14236878
    • 1978-11-20
    • HITACHI LTD
    • KAWAI TADAOWATANABE ATSUMI
    • H02H7/045H02H7/04
    • PURPOSE:To provide a means to positively identify the internal or external accident of a transformer by forming a closed loop with nutiple number of current transformers connected in series at the secondary side of the transformer having a power transducer as its load and connecting an excess current relay thereto. CONSTITUTION:A current transformer 8 and current transformers 81 - 83 are respectively arranged at the primary side and the secondary side of a transformer 2 having a thyrister bulb 3 as its load and are connected respectively to ratio differential relays 9A - 9C to protect the transformer 2 from an internal accident, said current transformers 81 - 83 being connected in series to form a closed loop to which an excess current relay 12 is inserted thereby causing the relay 12 to actuate when a grounding occurs between the transformer 2 and the transducer 3 and the current of the current transformers 81 - 83 is unbalanced, said relay not actuating when the current of the current transformers is reversed at the time of an external accident thereby positively identifying the internal accident at the secondary side of the transformer for protection thereof.