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    • 3. 发明申请
    • SCROLL-TYPE FLUID DISPLACEMENT APPARATUS INCLUDING AN ECCENTRIC CRANK MECHANISM HAVING AN ELONGATED SHAFT
    • 滚动型流体变位装置,包括具有长轴的偏心式起重机构
    • WO9947813A3
    • 1999-11-04
    • PCT/US9905770
    • 1999-03-17
    • HALDEX FINANCIAL SERVICES CORPWOOD STEPHEN J
    • WOOD STEPHEN J
    • F01C1/02F04C23/00F04C29/00F01C1/04F01C17/06
    • F04C29/005F01C1/0215F04C23/00
    • A scroll-type fluid displacement apparatus (10) including at least two scroll members (20, 40), with each scroll member having a plate (24, 44) and spiral involute (22, 42) extending from the plate. The spiral involutes mesh to define fluid voids between the scroll members that become smaller towards the center of the scroll members. The apparatus also includes an eccentric crank mechanism (60) having an elongated shaft (62) with an eccentric portion (64). The elongated shaft is connected at one end to a motor (1) and at another end to a machine (2), while the eccentric portion is rotatably received by one of the scroll members such that the scroll members will orbit with respect to one another as the shaft is turned by the motor. The apparatus also includes at least one eccentric guide (70) for assisting the eccentric crank mechanism in retaining the scroll members in an orbiting relationship. According to one embodiment, the eccentric guide comprises a second eccentric crank mechanism having an elongated shaft (72) with an eccentric portion (74) rotatably received by one of the scroll members. According to another embodiment, the elongated shaft (272) of the second eccentric crank mechanism (270) is connected at one end to a motor and at another end to a machine.
    • 一种包括至少两个涡旋件(20,40)的涡旋式流体置换装置(10),每个涡旋件具有板(24,44)和从板延伸的螺旋形渐开线(22,42)。 螺旋渐开线被啮合以限定朝向涡旋件的中心变小的涡旋件之间的流体空隙。 该装置还包括具有带有偏心部分(64)的细长轴(62)的偏心曲柄机构(60)。 细长轴的一端连接到电动机(1),另一端连接到机器(2),同时偏心部分可旋转地被其中一个涡旋件接收,使得涡旋件相对于彼此轨道 当轴由电机转动时。 该装置还包括至少一个偏心引导件(70),用于辅助偏心曲柄机构以保持涡旋构件的轨道关系。 根据一个实施例,偏心引导件包括具有细长轴(72)的第二偏心曲柄机构,其中偏心部分(74)可旋转地被其中一个涡旋件接收。 根据另一个实施例,第二偏心曲柄机构(270)的细长轴(272)在一端连接到电动机,另一端连接到机器。