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    • 3. 发明授权
    • Refrigerating system
    • 制冷系统
    • US4867649A
    • 1989-09-19
    • US941838
    • 1986-12-15
    • Kenichi KawashimaAtsushi SuginumaYukio TakahashiKenji TojoKunihiko Takao
    • Kenichi KawashimaAtsushi SuginumaYukio TakahashiKenji TojoKunihiko Takao
    • F04B27/14F04B27/08F04B27/10F04B27/16F04B27/18F25B1/00
    • F25B41/043F04B27/1072F04B27/16F04B27/1804F04B2027/1818F04B2027/1831F04B2027/1859
    • A refrigeration system includes a variable-capacity compressor having a compression chamber for sucking and compressing a refrigerant and a crankcase surrounding a swash plate forming a drive portion for suction and compression, and a passage through which the refrigerant discharged from the outlet of the compression chamber passes at least through a condenser, an expansion means and an evaporator and is sucked into the inlet of the compression chamber of the compressor, the capacity of the compressor being changed by slanting the swash plate during its rotation. A pressure control device is provided in a refrigerant passage between the evaporator and the suction valve of the compressor whereby the pressure upstream thereof is controlled in such a manner that it does not decrease below a predetermined value, thereby preventing frosting of evaporator fins. A point partway along the passage upstream from the pressure control device and the crankcase of the variable-capacity compressor are communicated so that the capacity of the compressor may be controlled without controlling the pressure in the crankcase.
    • 制冷系统包括具有用于吸入和压缩制冷剂的压缩室的可变容量压缩机和围绕形成用于抽吸和压缩的驱动部分的旋转斜盘的曲轴箱,以及从压缩室的出口排出的制冷剂的通道 至少通过冷凝器,膨胀装置和蒸发器,并被吸入到压缩机的压缩室的入口中,通过在旋转期间倾斜斜板来改变压缩机的容量。 压缩控制装置设置在蒸发器和压缩机的吸入阀之间的制冷剂通道中,由此上游的压力被控制为使其不降低到低于预定值,从而防止蒸发器翅片的结霜。 通过压力控制装置上游的通路和可变容量的压缩机的曲轴箱的连通点,能够控制压缩机的容量而不控制曲轴箱内的压力。
    • 5. 发明授权
    • Vane-type rotary machine
    • 叶片式旋转机
    • US4515514A
    • 1985-05-07
    • US404647
    • 1982-08-03
    • Isao HayaseAtsushi SuginumaAtsuo KishiKenichi Kawashima
    • Isao HayaseAtsushi SuginumaAtsuo KishiKenichi Kawashima
    • F04C2/344F01C1/344F01C21/08F01C21/10F04C18/344F03C2/00F04C18/00
    • F01C21/0809F01C1/3446F01C21/106F04C2250/301
    • A vane-type rotary machine for use as a compressor, pump or the like. The rotary machine has a cam ring with an inner peripheral contour expressed by an epitrochoid-like curve having at least one lobe, a cylindrical rotor having a plurality of vane grooves and contacting the inner peripheral surface of the cam ring, and vanes slidably received by the vane grooves and adapted to slide on the inner peripheral surface of the cam ring as the rotor rotates. The inner peripheral contour of the cam ring is corrected or modified in accordance with the amount of offset of the vanes in such a manner as to suppress the lateral reactional force applied to the vanes thereby to reduce the friction loss during sliding of the vanes in respective vane grooves, while making the sliding movement of the vanes approach a movement in accordance with a sine wave curve, thereby to diminish noise, thermal loss and mechanical damage which are attributable to irregularity of movement of the vanes.
    • 用作压缩机,泵等的叶片式旋转机械。 旋转机具有凸轮环,其内周轮廓由具有至少一个凸角的表皮轮廓曲线表示,圆柱形转子具有多个叶片槽并与凸轮环的内周面接触,并且叶片可滑动地被 叶片槽,适于在转子旋转时在凸轮环的内周面上滑动。 凸轮环的内周轮廓根据叶片的偏移量被校正或修改,以便抑制施加到叶片的横向反作用力,从而降低叶片滑动期间的摩擦损失 叶片槽,同时使叶片的滑动运动根据正弦波曲线接近运动,从而减少归因于叶片运动不规则的噪音,热损失和机械损伤。
    • 7. 发明授权
    • Swash plate type compressor for use in air-conditioning system for
vehicles
    • 用于车辆空调系统的斜盘式压缩机
    • US4326838A
    • 1982-04-27
    • US46042
    • 1979-06-06
    • Kenichi KawashimaKiyoshi HoribeTakashi Degawa
    • Kenichi KawashimaKiyoshi HoribeTakashi Degawa
    • F04B27/12F04B1/16
    • F04B27/12
    • A swash plate type compressor for use in an air-conditioning system for vehicles. The compressor has a pair of cylindrical cylinder blocks which are disposed in axial alignment and contact with each other, cylinder bores formed in the cylinder blocks and pistons reciprocatably received by respective cylinder bores. A rotary shaft extends through the cylinder blocks coaxially with the latter, and carries a swash plate fixed thereto. The pistons are slidingly engageable with the swash plate such that they make reciprocating movement in respective cylinder bores as the swash plate is rotated. The swash plate is accommodated by a crank chamber defined in the pair of cylinder blocks. A lubrication oil is supplied to the sliding parts in the crank chamber. A pair of side plates are attached to respective ends of the cylinder blocks which are axially disposed and contacted by each other, through medium of valve plates. The side plates cooperate with corresponding valve plates in defining therebetween suction chambers. The suction chambers are in direct communication with the crank chamber so that the blow-by gas within the crank chamber is sucked into the suction chambers. An oil chamber is provided at the bottom portion of the cylinder blocks and communicated with the crank chamber.
    • 用于车辆空调系统的斜盘式压缩机。 压缩机具有一对圆柱形缸体,它们彼此轴向对准并相互接触,形成在气缸体中的气缸孔和活塞可由相应气缸孔往复运动地接收。 旋转轴与其同轴地延伸穿过气缸体,并且承载固定在其上的斜盘。 活塞可滑动地与斜盘接合,使得它们在旋转斜盘旋转时在相应气缸孔中进行往复运动。 旋转斜盘由限定在一对气缸体中的曲柄室容纳。 润滑油被供应到曲柄室中的滑动部件。 一对侧板通过阀板的介质连接到气缸体的相应的端部上,它们彼此轴向地设置和接触。 侧板与相应的阀板协作以在其间限定吸入室。 抽吸室与曲柄室直接连通,使得曲柄室内的窜气被吸入吸入室。 在气缸体的底部设有油室,与曲轴室连通。
    • 9. 发明授权
    • Slide vane type compressor with increased suction part-cross-sectional
area
    • 滑动叶片式压缩机具有增加的吸入部分横截面积
    • US4702684A
    • 1987-10-27
    • US891045
    • 1986-07-30
    • Kunihiko TakaoKenichi KawashimaYozo NakamuraAtsuo Kishi
    • Kunihiko TakaoKenichi KawashimaYozo NakamuraAtsuo Kishi
    • F04C18/344F04C29/12
    • F04C29/12
    • A slide vane type compressor comprises a cam ring formed with at least one working chamber and a rotor arranged in the at least one working chamber with an outer peripheral surface of the rotor being disposed close to an inner wall surface of the cam ring at least at one axial sealing portion thereof, with the rotor being formed vane grooves for respectively accommodating a plurality of vanes. At least one suction port introduces gas into the at least one working chamber, with the suction port having a suction terminal point angle extending from the axial sealing portion to a terminal point of the suction port, as viewed in the direction of rotation of the rotor. The suction terminal point angle of the suction port is greater than a geometrical suction terminal point angle geometrically determined in dependence upon the number of working chambers and the number of the plurality of vanes so that the suction terminal point angle of the suction port is advanced as compared with the geometrical suction terminal point angle.
    • 滑动叶片式压缩机包括形成有至少一个工作室的凸轮环和布置在所述至少一个工作室中的转子,所述转子的外周表面至少设置在所述凸轮环的内壁表面附近 其一个轴向密封部分,其中转子形成用于分别容纳多个叶片的叶片槽。 至少一个吸入口将气体引入到至少一个工作室中,其中吸入口具有从轴向密封部分延伸到吸入口终点的吸入端点角度,从转子的旋转方向观察 。 吸入口的吸入端点角度大于根据工作室的数量和多个叶片的数量几何确定的几何吸入端点角度,使得吸入口的吸入端点角度前进为 与几何吸力端点角度相比。
    • 10. 发明授权
    • Vane type compressor with fluid pressure biased vanes
    • 具有流体压力偏置叶片的叶片式压缩机
    • US4653991A
    • 1987-03-31
    • US710424
    • 1985-03-11
    • Kunihiko TakaoKenichi KawashimaYozo Nakamura
    • Kunihiko TakaoKenichi KawashimaYozo Nakamura
    • F04C18/344F01C21/08F04C2/344F04C27/00F04C18/00F04C29/02
    • F01C21/0872
    • The compressor is characterized by a high pressure port provided in a rear plate at a position that the bottom portion of a vane groove of a vane which reaches a delivery port contacts the high pressure port, and low pressure ports provided, independently of the high pressure port, in the front and rear plates at positions so that the low pressure ports communicate with the high pressure port through the bottom portion of the vane groove of the vane between the low and high pressure ports only when the center of said vane groove is disposed between the high and low pressure ports so that the high pressure is fed intermittently to the low pressure port. In a region of rotation of the rotor where vane-tip pressing force is small, a high pressure from the high pressure port is applied to vane grooves as vane back pressure, and in the other region a relatively low pressure is applied thereto from the low pressure ports.
    • 压缩机的特征在于,在后板上设置有高压口,该高压口位于到达输送口的叶片的叶片槽的底部与高压口接触的位置,并且独立于高压设置的低压口 在前后板的位置处,只有当所述叶片槽的中心设置在低压端口时,低压端口通过叶片的叶片槽的底部在低压端口和高压端口之间与高压端口连通 在高压端口和低压端口之间,使得高压被间歇地供给到低压端口。 在叶片压头力小的转子的旋转区域中,来自高压口的高压作为叶片背压被施加到叶片槽,而在另一区域中,低压口从低压口施加相对较低的压力 压力端口。