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    • 1. 发明授权
    • Variable capacity compressor having adjustable crankpin throw structure
    • 可变容量压缩机具有可调节的曲柄销扔结构
    • US06446451B1
    • 2002-09-10
    • US09820983
    • 2001-03-30
    • David T. MonkJoe T. HillPhilip C. WagnerJoseph F. LopreteMichael R. YoungCharles A. Singletary
    • David T. MonkJoe T. HillPhilip C. WagnerJoseph F. LopreteMichael R. YoungCharles A. Singletary
    • F25B100
    • F04B39/0094F04B49/126F04B2201/0206
    • A two-stage reciprocating compressor is provided. The compressor includes a block with a single cylinder and associated single compression chamber and single piston. The compressor further includes a crankshaft. The crankshaft has an eccentric crankpin that is operatively connected to the piston. A reversible motor is provided to rotate the crankshaft in a forward direction and in a reverse direction. An eccentric cam is rotatably mounted on the eccentric crankpin. The eccentric cam is held stationary with respect to the crankpin when the crankshaft is rotating in the forward direction. When rotating in the forward direction, the crankshaft drives the piston at a full stroke between a bottom position and a top dead center position. The eccentric cam rotates with respect to the crankpin when the crankshaft is rotating in the reverse direction. When rotating in the reverse direction, the crankshaft drives the piston at a reduced stroke between an intermediate position and the top dead center position.
    • 提供了两级往复式压缩机。 压缩机包括具有单个气缸和相关联的单个压缩室和单个活塞的块。 压缩机还包括曲轴。 曲轴具有可操作地连接到活塞的偏心曲柄销。 提供可逆电动机以使曲轴沿正向和相反方向旋转。 偏心凸轮可旋转地安装在偏心曲柄销上。 当曲轴沿向前方向旋转时,偏心凸轮相对于曲柄销保持静止。 当沿向前方向旋转时,曲轴在底部位置和上止点位置之间以全行程驱动活塞。 当曲轴沿相反方向旋转时,偏心凸轮相对于曲柄销转动。 当沿相反方向旋转时,曲轴在中间位置和上止点位置之间以较小行程驱动活塞。
    • 8. 发明授权
    • Variable capacity compressor
    • 可变容量压缩机
    • US06099259A
    • 2000-08-08
    • US13154
    • 1998-01-26
    • David T. MonkJoe T. HillPhilip C. WagnerJoseph F. LopreteMichael R. Young
    • David T. MonkJoe T. HillPhilip C. WagnerJoseph F. LopreteMichael R. Young
    • F04B39/00F04B49/12F04B49/00
    • F04B49/126F04B39/0094F04B2201/0206
    • For a refrigerant compressor having two capacities, a camming structure operable in different manners depending on direction of crankshaft rotation, to achieve each capacity while providing top dead center piston operation thru the use of a circular cam bushing which is eccentrically, rotatably mounted on the crankshaft eccentric and within the connecting rod bearing wherein the combined eccentricities of the bushing and the eccentric equal the primary stroke of the piston. A first stop mechanism is provided for stabilizing the bushing on the eccentric upon rotation of the crankshaft in one direction whereby the eccentricities of the eccentric and bushing become aligned and remain so during synchronous rotational orbiting motion of the eccentric and bushing during rotation of the crankshaft for producing full stroke and full capacity. A second stop mechanism is provided for stabilizing the bushing within the bearing upon opposite rotation of the crankshaft whereby the bushing eccentricity becomes and remains substantially aligned with the connecting rod stroke axis while the eccentric moves alone thru its rotational orbit for producing reduced stroke and reduced capacity. A unique electrical control system is also provided for a reversible electric induction motor for selectively and efficiently driving the compressor crankshaft in either direction for providing the different capacities.
    • 对于具有两个容量的制冷剂压缩机,可以根据曲轴旋转的方向以不同的方式操作的凸轮结构,以通过使用偏心地可旋转地安装在曲轴上的圆形凸轮衬套来提供上止点活塞操作来实现每个容量 偏心的和在连杆轴承内,其中衬套和偏心轮的组合偏心等于活塞的主冲程。 提供了第一止动机构,用于在曲轴在一个方向上旋转时使偏心轮上的衬套稳定,由此偏心轮毂和衬套的偏心度变得对准并且在曲轴旋转期间在偏心轮和衬套的同步旋转轨道运动期间保持 产生全中风和全能力。 提供了第二止动机构,用于在曲轴的相反转动时使轴承内的轴承稳定,由此套筒偏心度变得并保持与连杆行程轴线基本上对准,而偏心通过其旋转轨道单独移动以产生减小的行程和减小的容量 。 还提供了一种用于可逆电感应电动机的独特的电气控制系统,用于在任一方向上有选择地和有效地驱动压缩机曲轴,以提供不同的容量。
    • 10. 发明授权
    • Variable capacity compressor having two-step motor strength adjustability
    • 可变容量压缩机具有两步电机强度可调性
    • US6040679A
    • 2000-03-21
    • US019834
    • 1998-02-06
    • David T. MonkJoe T. HillPhillip C. WagnerJoseph F. LopreteMichael R. Young
    • David T. MonkJoe T. HillPhillip C. WagnerJoseph F. LopreteMichael R. Young
    • H02P1/44H02P25/04H02P1/26
    • H02P1/44H02P25/04
    • An electrical control system for a variable capacity compressor having an A/C motor is provided. The control system includes a first circuit that has a start winding in series with a capacitor, a second circuit that has a main winding. The control system also includes a third circuit that includes the start winding and a fourth circuit that includes the main winding in series with the capacitor. There is also provided a power supply line that provides power to each of the circuits. The control system further includes a first switch and a second switch, both of which are responsive to loading conditions. The first switch operates to connect the first and second circuits with the power supply line to run the compressor for high load operation and the second switch operates to connect the third and fourth circuits with the power supply line to run the compressor for partial load operation.
    • 提供了一种具有A / C电动机的可变容量压缩机的电气控制系统。 控制系统包括具有与电容器串联的起动绕组的第一电路,具有主绕组的第二电路。 控制系统还包括包括起动绕组的第三电路和包括与电容器串联的主绕组的第四电路。 还提供了一个向每个电路供电的电源线。 控制系统还包括第一开关和第二开关,两者都响应负载条件。 第一开关操作以将第一和第二电路与电源线连接以运行用于高负载操作的压缩机,并且第二开关操作以将第三和第四电路与电源线连接以运行用于部分负载操作的压缩机。