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    • 1. 发明专利
    • Cooling device for current collector
    • 电流收集器的冷却装置
    • JP2005117865A
    • 2005-04-28
    • JP2003352518
    • 2003-10-10
    • Hitachi Ltd株式会社日立製作所
    • KIEDA SHIGEKAZUSAWADA ITSUROHATTORI KENICHINAKAE SHIGEKI
    • B61C17/00H02K9/28
    • H02K9/28
    • PROBLEM TO BE SOLVED: To provide a cooling device for a current collector capable of suppressing the temperature rise of a current collector ring.
      SOLUTION: The cooling device for a current collector is provided with the current collector ring 2 mounted to the rotating shaft 1 of a rotating electric machine, a brush 4 for feeding a current to the current collector ring 2, a fan 10 mounted to the rotating shaft 1, a cover 7 which covers the current collector ring and the brush and forms an inlet and an outlet of a cooling medium by the fan, and also a flow control member for controlling the flow from the inlet 11 of the cooling medium to the current collector ring 2. The flow control member is provided with a control plate 21a arranged to the upstream side in the rotation direction of the rotating shaft, and a control plate 21b arranged to the downstream side in the rotation direction. The distance between the control plate 21a arranged to the upstream side in the rotation direction and the surface of the current collector ring is set larger than that of between the control plate 21b arranged to the downstream side in the rotation direction and the surface of the current collector ring.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够抑制集电环的温度升高的集电体的冷却装置。 < P>解决方案:集电体的冷却装置设置有安装在旋转电机的旋转轴1上的集电环2,向集电环2供给电流的电刷4,安装在风扇10上的风扇10 旋转轴1,覆盖集电环和刷子并通过风扇形成冷却介质的入口和出口的盖7,以及用于控制来自冷却剂的入口11的流动的流量控制构件 介质到集电环2.流量控制部件设置有设置在旋转轴的旋转方向上游侧的控制板21a和沿旋转方向设置在下游侧的控制板21b。 设置在旋转方向上游侧的控制板21a与集电环表面之间的距离设定为大于设置在旋转方向下游侧的控制板21b与电流表面之间的距离 收集环。 版权所有(C)2005,JPO&NCIPI
    • 2. 发明专利
    • Rotary electric machine
    • 旋转电机
    • JP2003309948A
    • 2003-10-31
    • JP2002113149
    • 2002-04-16
    • Hitachi Ltd株式会社日立製作所
    • KIEDA SHIGEKAZUSAWADA ITSURO
    • H02K9/19
    • PROBLEM TO BE SOLVED: To provide a rotary electric machine improved in cooling efficiency.
      SOLUTION: A small-sized gas-turbine generator comprises: a rotatably supported rotor 2; a stator 3 arranged at the external peripheral side of the rotor 2 at an interval 14; and a casing cooling jacket 4a arranged at the external peripheral side of the stator 3 and formed with an in-jacket cooling passage 9 inside. The generator is also formed with an in-rotor cooling passage 12 that is axially arranged at least at one place in the stator 3, introduces a rotor- cooling fluid 11 toward the circumferential internal peripheral side from the circumferential external peripheral side almost all over the circumference in the circumferential direction of the stator, and cools almost all the circumference of the rotor 2 in the circumferential direction.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供改善冷却效率的旋转电机。 解决方案:小型燃气轮机发电机包括:可旋转地支撑的转子2; 以间隔14设置在转子2的外周侧的定子3; 以及配置在定子3的外周侧的壳体冷却套4a,内部形成有内套冷却通路9。 发电机还形成有转子冷却通道12,该转子冷却通道12至少在定子3的一个位置处轴向布置,将转子冷却流体11从圆周外周侧朝向圆周外周侧几乎全部 在定子的圆周方向上具有圆周,并且在圆周方向上冷却转子2的几乎全部周长。 版权所有(C)2004,JPO
    • 3. 发明专利
    • Rotary electric machine
    • 旋转电机
    • JP2003009445A
    • 2003-01-10
    • JP2001183283
    • 2001-06-18
    • Hitachi Ltd株式会社日立製作所
    • KIEDA SHIGEKAZUKAIHO MASAYUKIMORI HIDEAKISHIOBARA RYOICHIHATTORI KENICHI
    • H02K3/24H02K5/20H02K9/06
    • PROBLEM TO BE SOLVED: To provide a rotary electric machine capable of enhancing the cooling performance even if a velocity of a cooling wind in the direction of a shaft is large.
      SOLUTION: The rotary electric machine has an iron core 1, a plurality of coils 2 attached to the iron core, a holding ring 3 for covering the outer circumferential side of a plurality of the coils and holding a plurality of coils, a centering ring 5 internally fixed at the end of the holding ring and a plurality of spacers provided between the coils and between the coil and the centering ring at the predetermined intervals, and provided with a shielding plate 20 located on the inner circumferential side of the centering ring 5 and between a plurality of the spacers and leaving the predetermined interval from the iron core 1.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:即使在轴的方向上的冷却风的速度大的情况下,也能够提供能够提高冷却性能的旋转电机。 解决方案:旋转电机具有铁芯1,安装在铁芯上的多个线圈2,用于覆盖多个线圈的外周侧并保持多个线圈的保持环3,定心环5 内部固定在保持环的端部,并且以预定间隔设置在线圈之间和线圈与定心环之间的多个间隔件,并且设置有位于定心环5的内周侧上的屏蔽板20和 在多个间隔件之间并且离开铁芯1离开预定间隔。
    • 5. 发明专利
    • MANUFACTURING METHOD OF COMBUSTOR LINER
    • JPH08110012A
    • 1996-04-30
    • JP24364994
    • 1994-10-07
    • HITACHI LTD
    • INNAMI TAMIOTSUKAHARA SATOSHIKIEDA SHIGEKAZUHAYASHI NORIYUKISHIINA KOJI
    • F23L17/00F23C7/04
    • PURPOSE: To uniformize liner wall temperature and hence keep stable combustion by forming a protruded rib on the side of a cooling air flow passage in the peripheral direction of the liner using a monolithic material for forming a combustor liner. CONSTITUTION: A plurality of monolithic ribs 11 are formed in the axial direction of a liner 2 where a monolithic liner material is formed into a protruded shape in the circumferential direction of the liner 2 on the side of a cooling air flow passage of the liner 2. A joint protruded rib 10 for promoting cooling of a wall of the liner 2 is joined with the wall of the liner 2 located on the side of the cooling air flow passage in the circumferential direction of the surface of the wall of the liner 2. At this time, relationships between the width A, height H of the monolithic rib 11 and the width (a), height (h) of the joint protruded rib 10 are defined: A>=a, H=h. Hereby, cooling air is prevented from flowing nonuniformly, and wall temperature of the liner 22 can be uniformized, and further fuel and air in a combustor are facilitated to be mixed and uniformized to keep stable combustion.
    • 8. 发明专利
    • TURBINE GENERATOR
    • JPH11146604A
    • 1999-05-28
    • JP30529197
    • 1997-11-07
    • HITACHI LTD
    • KIEDA SHIGEKAZU
    • H02K9/06
    • PROBLEM TO BE SOLVED: To guide cooling gas to a flow path between coils and to improve cooling efficiency, by arranging a rotor core side position of each coil end part adjacent to a rotor core from the coil in the upstream toward an advancing direction of the cooling gas. SOLUTION: In a fan 4 mounted on the periphery of a rotor core, a rotor is rotated so as to feed cooling gas blown into the inside of the rotor. A rotor core side from each coil end part 2a to 2e is adjacent to the rotor core toward a flow direction of cooling gas, partly the cooling gas surely collides against the rotor core side of a coil end part, a space of a coil clearance 6 is formed with a flow toward a peripheral side. Further, the rest of cooling gas flows in a ventilation hole 10 in the rotor, a coil in a rotor barrel part is cooled. In this way, an inflow amount of cooling gas in the coil clearance is increased and cooling can be promoted. High thermal conductivity by this collision can be utilized, cooling efficiency can be enhanced.
    • 9. 发明专利
    • SEMICONDUCTOR WAFER HEATER
    • JPH08241870A
    • 1996-09-17
    • JP6769096
    • 1996-03-25
    • HITACHI LTD
    • TANAKA TAKEOKIEDA SHIGEKAZUTAKAGAKI TETSUYA
    • H01L21/22H01L21/205H01L21/31
    • PURPOSE: To make all wafers placed in a wafer heater come into contact with a treatment gas at a uniform temperature by a method wherein a heater divided in a vertical direction is provided in a carry inlet side zone partitioned by a lower surface of a basket receiving a wafer and an opening part of a reaction valve. CONSTITUTION: A treatment gas supplied from a gas supply inlet 8 ascends in a gas path 17. At this time, a temperature of the treatment gas is increased gradually by a heater 3. The treatment gas reaching a peak part 18 of an inner cylinder 16 passes through an opening part of the inner cylinder peak part 18, and descends in the inner cylinder 16 receiving a wafer 4. Here, in order to make uniform a treatment gas temperature coming into contact with all the wafers 4 received in a basket 5 so as to remove a difference in a temperature of the treatment gas coming into contact with a wall surface (outer wall) on the side of the gas path 17 of the inner cylinder 16 and a wall surface (inside) on the side of the basket 5 near a basket stage 6, a heat generation amount of the heater 3 downward in a vertical direction is more than that upward in a vertical direction.