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    • 1. 发明公开
    • One-way clutch unit
    • Einwegkupplungseinheit
    • EP1452355A1
    • 2004-09-01
    • EP04004496.8
    • 2004-02-27
    • KOYO SEIKO CO., LTD.Kabushiki Kaisha Toyota Jidoshokki
    • Ichihara, TakahiroWatanabe, HajimeFujiwara, HidekiMera, MinoruAdaniya, TakuKanai, AkinobuUsui, NaokiArai, Tomoharu
    • B60H1/00B60H1/32
    • F16D41/00B60H1/0045B60H1/3222F16D41/067F16D47/04
    • There is provided a one-way clutch unit that is simple in structure and compact. An annular recess 67 is provided in an inner periphery of a side of a deep groove ball bearing portion 55 of a first inner ring 7 of a first one-way clutch 1, and an end portion on the side of a deep groove ball bearing portion 65 of a second one-way clutch 2 is disposed in the annular recess 67. Thereby, the dimension in an axial direction of the one-way clutch unit is reduced by a dimension in the axial direction of the second one-way clutch 2 that is disposed in the annular recess 67. The thicknesses on the sides of the deep groove ball bearing portions 55, 65 of the first inner ring 7 and the second outer ring 14 are set larger than those on the sides of the one-way clutch portions 50, 60, whereby deterioration of strength of the one-way clutch unit against radial loads, which is attributable to provision of the annular recess 67 in the inner periphery of the side of the deep groove ball bearing portion 55 of the first inner ring 7, is prevented.
    • 提供结构简单,结构紧凑的单向离合器单元。 在第一单向离合器1的第一内圈7的深沟球轴承部55的一侧的内周设置有环状凹部67,在深沟球轴承部的一侧的端部 第二单向离合器2的65被配置在环状凹部67中。由此,单向离合器单元的轴向尺寸减小了第二单向离合器2的轴向的尺寸, 设置在环状凹部67中。第一内圈7和第二外圈14的深沟球轴承部55,65的侧面的厚度被设定为大于单向离合器部分 50,60,由此,单向离合器单元抵抗径向载荷的强度的劣化,这是由于在第一内圈7的深沟球轴承部55侧的内周设置环状凹部67 ,被防止。
    • 6. 发明公开
    • Vehicular air-conditioner
    • Fahrzeugklimaanlage
    • EP1302345A2
    • 2003-04-16
    • EP02022877.1
    • 2002-10-14
    • Kabushiki Kaisha Toyota Jidoshokki
    • Adaniya, TakuKawaguchi, MasahiroSuzuki, TakahiroOta, MasakiKanai, AkinobuSonobe, Masanori
    • B60H1/32
    • F04B27/1804B60H1/3222F04B2027/1813F04B2027/1831F04B2027/185F04B2027/1854F04B2205/05
    • An air conditioning system for a vehicle that is driven by a vehicle engine. The system has a compressor selectively operable by the vehicle engine and an electric motor which outputs force smaller than that of the vehicle engine. The electric motor is used as a drive force of the compressor when the vehicle engine is in non-operating state. The compressor compresses refrigerant gas introduced into a suction chamber from an external refrigerant circuit. A displacement of the compressor is variable based on a differential pressure between the suction chamber and a crank chamber. The compressor has a control valve that is disposed on a refrigerant passage communicating with the crank chamber. The control valve has a valve plunger for changing an opening size of the control valve to adjust pressure in the crank chamber. The system comprises pressure sensing member, actuator and controller. The pressure sensing member is disposed in the control valve and applies biasing force to the plunger based on pressure in the external circuit. The biasing force is applied to cancel change of the pressure in the external circuit. The actuator is disposed in the control valve and applies reverse force against the biasing force to the plunger. The plunger is moved to increase the displacement by the reverse force. The controller (72) controls the actuator (61) to stepwise increase the reverse force by a magnitude at which the electric motor is able to stably drive the compressor.
    • 一种由车辆发动机驱动的车辆空调系统。 该系统具有由车辆发动机选择性地操作的压缩机和输出小于车辆发动机的力的电动机。 当车辆发动机处于非操作状态时,电动机被用作压缩机的驱动力。 压缩机将从外部制冷剂回路引入吸入室的制冷剂气体压缩。 基于吸入室和曲柄室之间的压差,压缩机的排量是可变的。 压缩机具有设置在与曲柄室连通的制冷剂通路上的控制阀。 控制阀具有用于改变控制阀的开口尺寸以调节曲柄室中的压力的​​阀柱塞。 该系统包括压力传感元件,致动器和控制器。 压力检测构件设置在控制阀中,并且基于外部电路中的压力向柱塞施加偏压力。 施加偏压力以消除外部电路中的压力变化。 致动器设置在控制阀中,并且反作用力施加到柱塞上。 移动柱塞以通过反向力增加位移。 控制器(72)控制致动器(61)使反向力逐步增加电动机能够稳定地驱动压缩机的幅度。
    • 10. 发明公开
    • Structure for sensing refrigerant flow rate in a compressor
    • 用于检测压缩机中制冷剂流量的结构
    • EP1918584A2
    • 2008-05-07
    • EP07119300.7
    • 2007-10-25
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Kanai, AkinobuNakaima, HiroyukiInoue, YoshinoriSuzuki, Atsuhiro
    • F04B27/18
    • F04B27/1804F04B2205/08F25B1/02F25B43/02F25B2400/02F25B2400/076F25B2700/13
    • The compressor has a differential pressure type flow rate detector that obtains the pressure in an upstream passage and the pressure in a downstream passage to detect a refrigerant flow rate within a refrigerant passage. The detector has an accommodation chamber, and a partition body slidably accommodated within the accommodation chamber. The partition body comparts the accommodation chamber into a high pressure chamber to which the pressure in the upstream passage is introduced, and a low pressure chamber to which the pressure in the downstream passage is introduced. The compressor has an oil separator having an oil introduction passage connected to the oil separating chamber and a high pressure introduction passage introducing the pressure in the upstream passage to the high pressure chamber. The oil introduction passage introduces the oil separated from the refrigerant by the oil separator to a pressure zone other than a discharge pressure zone.
    • 压缩机具有差压型流量检测器,其获得上游通道中的压力和下游通道中的压力,以检测制冷剂通道内的制冷剂流量。 检测器具有容纳室和可滑动地容纳在容纳室内的分隔体。 分隔体将容纳室分隔成上游通道内的压力被导入的高压室和下游通道内的压力被导入的低压室。 压缩机具有油分离器,该油分离器具有连接到油分离室的油导入通道和将上游通道中的压力引导到高压室的高压导入通道。 油引入通道将由油分离器从制冷剂分离的油引入排出压力区以外的压力区。