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    • 31. 发明公开
    • Scroll compressors
    • Spiralverdichter
    • EP1270947A3
    • 2003-01-22
    • EP02013989.5
    • 2002-06-26
    • Kabushiki Kaisha Toyota Jidoshokki
    • Gennami, HiroyukiKuroki, KazuhiroSuitou, KenKimura, KazuyaTsubai, Shinji
    • F04C18/02F04C23/00F04C29/10F04C29/04
    • F04C28/265F04C18/0215F04C23/008F04C27/005F04C29/02F04C29/045
    • Scroll compressors (100, 110) may include a movable scroll (20) that is disposed opposite to a fixed scroll (2). At least one compression chamber (32) is defined between the fixed scroll and the movable scroll. A motor (49) drives the movable scroll, so that the movable scroll revolves (orbits) relative to the fixed scroll. The movable scroll includes a front portion (20b) that slidably contacts the fixed scroll. The front portion receives the pressure of the pressurized refrigerant that is disposed within the compression chamber. The movable scroll also includes a rear portion (20a) that slidably contacts a portion (4a) of a compressor housing. The motor is disposed within a motor chamber (45) defined within the compressor housing. A first conduct route (94) communicates discharged refrigerant from a discharge-side region (85) to the motor chamber. A second conduct route (97, CL) communicates refrigerant from the motor chamber to a suction-side region (98), thereby adjusting the pressure within the motor chamber, so that the opposing pressing forces applied against both sides to the movable scroll can be appropriately adjusted in order to improve compressor efficiency.
    • 涡旋压缩机(100,110)可以包括与固定涡旋件(2)相对设置的动涡旋盘(20)。 至少一个压缩室(32)被限定在固定涡旋件和动涡旋件之间。 电动机(49)驱动动涡旋盘,使得动涡旋盘相对于固定涡旋件旋转(轨道)。 动涡旋盘包括可滑动地接触固定涡旋件的前部(20b)。 前部接收设置在压缩室内的加压制冷剂的压力。 动涡旋件还包括可滑动地接触压缩机壳体的部分(4a)的后部(20a)。 马达设置在限定在压缩机壳体内的马达室(45)内。 第一行进路线94将排出的制冷剂从排出侧区域(85)传递到电动机室。 第二行进路线(97,CL)将来自电动机室的制冷剂与吸入侧区域(98)连通,从而调节电动机室内的压力,使得向动涡旋盘两侧施加的相反的压力可以是 适当调整以提高压缩机的效率。
    • 33. 发明公开
    • Control apparatus for variable displacement compressor
    • 可变排量压缩机的控制装置
    • EP1207302A2
    • 2002-05-22
    • EP01126606.1
    • 2001-11-07
    • Kabushiki Kaisha Toyota Jidoshokki
    • Ota, MasakiKimura, KazuyaIshigaki, YoshinobuNomura, KazuhiroTarutani, TomojiKawaguchi, Masahiro
    • F04B27/18F04B27/10
    • F04B27/1036F04B27/1804
    • A control apparatus that promptly increases the displacement of a compressor after the compressor is started while liquefied refrigerant is lingering in an external circuit (30). The control apparatus includes a restricting passage (82). The restricting passage (82) is located in a first pressure introduction passage (37), through which the pressure (PdH) of the first pressure monitoring point (P1) flows to the control valve (CV). The restricting passage (82) decreases the pressure of refrigerant that flows through the passage (37). When the compressor is started while liquefied refrigerant is lingering in the external circuit (30) and the pressure (PdH) of the first pressure monitoring point (P1) is abruptly increased, the restricting passage (82) reduces the increase of the pressure that is detected by the control valve (CV). Therefore, the displacement of the compressor is promptly increased.
    • 一种控制装置,在液化制冷剂滞留于外部回路(30)的状态下,在压缩机起动后迅速增大压缩机的容量。 控制装置包括限制通道(82)。 限制通道82位于第一压力引入通道37中,第一压力监测点P1的压力PdH通过该第一压力引入通道37流向控制阀CV。 限制通道82减小流过通道37的制冷剂的压力。 当液化制冷剂在外部回路30中逗留并且第一压力监测点(P1)的压力(PdH)突然增加时启动压缩机时,限制通道(82)减小 由控制阀(CV)检测。 因此,压缩机的排量迅速增加。