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    • 28. 发明公开
    • Control valve for variable displacement compressor
    • 可变排量压缩机的控制阀
    • EP1172558A3
    • 2003-09-03
    • EP01116314.4
    • 2001-07-05
    • Kabushiki Kaisha Toyota Jidoshokki
    • Kimura, KazuyaOta, MasakiKawaguchi, MasahiroFujii, ToshiroAdaniya, TakuSuitou, Ken
    • F04B27/18
    • F04B27/1804F04B2027/1813F04B2027/1827F04B2027/1845F04B2027/185F04B2027/1854
    • A control valve used for a variable displacement type compressor. The compressor has a crank chamber (5), a discharge pressure zone, and a supply passage (28). The supply passage (28) connects the crank chamber (5) to the discharge pressure zone. The control valve is located in the supply passage (28). The control valve has a valve body (41). The valve body (41) adjusts the size of the opening of the supply passage (28) in accordance with the discharge pressure. The valve body (41) is exposed to the pressure of the supply passage (28). The valve body (41) moves in accordance with the discharge pressure such that the displacement is varied to counter changes of the discharge pressure. The direction in which the valve body (41) moves in response to an increase of the discharge is the same as the direction in which the valve body (41) moves when the pressure of the supply passage (28) increases.
    • 一种用于可变排量型压缩机的控制阀。 压缩机具有曲轴箱(5),排气压力区和供应通道(28)。 供应通道(28)将曲轴箱(5)连接到排气压力区。 控制阀位于供应通道(28)中。 控制阀具有阀体(41)。 阀体(41)根据排出压力来调节供给通路(28)的开口的大小。 阀体(41)暴露于供给通路(28)的压力。 阀体(41)根据排出压力而移动,使得排量发生变化以抵消排出压力的变化。 响应于排出的增加,阀体(41)移动的方向与当供给通道(28)的压力增加时阀体(41)移动的方向相同。
    • 29. 发明公开
    • Torque limiting mechanism
    • 扭矩限制机制
    • EP1146241A3
    • 2003-06-18
    • EP01107944.9
    • 2001-03-28
    • Kabushiki Kaisha Toyota Jidoshokki
    • Ota, MasakiKimura, KazuyaUmemura, SatoshiKawaguchi, MasahiroUryu, AkifumiAdaniya, Taku
    • F16D7/04
    • F16D7/10
    • A torque limiting mechanism for transmitting power from an external drive source (Eg) to the drive shat (17) of a compressor (C). A pulley (33), which is coupled to the external drive source, has elastic members (44). A hub, which is attached to the drive shaft, has engaging portions (41). A coupler member (59) is located between the pulley (33) and the hub (38). The coupler member is engaged with the elastic members (44) and with the engaging portions (41) such that power is transmitted from the pulley to the hub. The urging members urge the coupler member (59) such that the coupler member is disengaged from the engaging portions (41). When power is transmitted from the pulley to the hub, the elastic members (44) maintain the coupler member (59) engaged with the elastic members (44) and with the engaging portions (41). When load generated due to power transmission exceeds a predetermined level, the elastic members (44) are deformed such that the coupler member (59) is disengaged from the elastic members (44). When disengaged from the elastic members (44), the coupler member is disengaged from the engaging portions (44).
    • 用于将动力从外部驱动源(Eg)传递到压缩机(C)的驱动轴(17)的扭矩限制机构。 连接到外部驱动源的滑轮(33)具有弹性构件(44)。 连接到驱动轴的轮毂具有接合部分(41)。 联接器构件(59)位于皮带轮(33)和轮毂(38)之间。 联接器构件与弹性构件(44)和接合部分(41)接合,使得动力从皮带轮传递到轮毂。 推动构件推动联接器构件(59),使得联接器构件从接合部分(41)脱离。 当动力从皮带轮传递到轮毂时,弹性构件(44)保持与弹性构件(44)和接合部(41)接合的联接构件(59)。 当由于动力传递而产生的载荷超过预定水平时,弹性部件(44)变形成使得联接部件(59)与弹性部件(44)脱离。 当从弹性部件(44)脱离时,联接部件从接合部分(44)脱离。