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    • 3. 发明申请
    • REFRIGERANT GAS GUIDING MECHANISM FOR PISTON TYPE COMPRESSOR
    • 用于活塞式压缩机的制冷剂气体引导机构
    • WO1993013313A1
    • 1993-07-08
    • PCT/JP1992001679
    • 1992-12-22
    • KABUSHIKI KAISHA TOYODA JIDOSHOKKI SEISAKUSHOKIMURA, KazuyaKAYUKAWA, HiroakiITO, MasafumiKAWAMURA, ChuichiHIDAKA, ShigeyukiFUJISAWA, Yoshihiro
    • KABUSHIKI KAISHA TOYODA JIDOSHOKKI SEISAKUSHO
    • F04B27/08
    • F04B27/1018
    • A piston type compressor in which each of pistons is accommodated in each of a plurality of cylinder bores arranged around a rotating shaft. Suction, compression and delivery of refrigerant gas is carried out when each piston is reciprocated by virtue of interlocking with rotation of the rotating shaft. In addition, a valve accommodating chamber is provided in the vicinity of a cylinder bore. A plurality of ports are provided for establishing communication between the valve accommodating chamber and each cylinder bore. A rotary valve adapted to be rotated in synchronism with the reciprocating motion of the piston is accommodated in the valve accommodating chamber. A suction passageway that is sequentially connected with each port in synchronism with the rotation of the rotary valve is provided in the rotary valve for introducing refrigerant gas into each cylinder bore. Furthermore, a seal area is provided on the rotary valve for sequentially closing each port in synchronism with the rotation of the rotary valve. Moreover, a groove capable of trapping refrigerant gas entering between the valve accommodating chamber and the rotary valve is formed in the rotary valve.
    • 一种活塞式压缩机,其中每个活塞都容纳在围绕旋转轴布置的多个气缸孔中的每一个中。 当每个活塞通过与旋转轴的旋转互锁而往复运动时,执行制冷剂气体的吸入,压缩和输送。 此外,在气缸孔附近设置有阀容纳室。 提供多个端口用于在阀容纳室和每个气缸孔之间建立连通。 适于与活塞的往复运动同步旋转的旋转阀容纳在阀容纳室中。 在旋转阀中设置有与每个端口顺序地与旋转阀的旋转连接的吸入通道,用于将制冷剂气体引入每个气缸孔。 此外,在旋转阀上设置有密封区域,用于与旋转阀的旋转同步地顺序地关闭每个端口。 此外,在旋转阀中形成能够捕获进入阀容纳室和旋转阀之间的制冷剂气体的槽。
    • 5. 发明申请
    • STRUCTURE FOR RECOVERING LEAKAGE OIL IN COMPRESSOR
    • 压缩机回收漏油的结构
    • WO1998029660A1
    • 1998-07-09
    • PCT/JP1996003823
    • 1996-12-26
    • KABUSHIKI KAISHA TOYODA JIDOSHOKKI SEISAKUSHOKIMURA, KazuyaITO, Masafumi
    • KABUSHIKI KAISHA TOYODA JIDOSHOKKI SEISAKUSHO
    • F04B27/08
    • F04B27/1036F04B27/0895F04B27/109
    • A housing (11, 12, 13) houses a compression mechanism. A driving shaft (15) is supported by the housing (11, 12, 13) and is connected to the compression mechanism. A boss (16) is provided on the external wall of the housing (11, 12, 13) so as to surround the portion of the driving shaft (15) which projects from the housing (11, 12, 13). A rotor (18) is connected to the driving shaft (15) and transmits the power of an external driving source to the driving shaft (15). A shaft sealing device (17) is disposed in the housing (11, 12, 13) and seals the gap between the driving shaft (15) and the inner circumferential surface of the housing (11, 12, 13). A recovery unit (35, 36, 38) is provided for recovering a leakage oil which leaks from the shaft sealing device (17). A stepped portion (40) is formed to extend around the periphery of a rotating portion (15, 21 alpha ) which is positioned on the side of an opening (16 alpha ) of the boss (16) with respect to the shaft sealing device (17) in the housing (11, 12, 13). The stepped portion (40) is disposed opposite to the recovery unit (35, 36, 38).
    • 壳体(11,12,13)容纳压缩机构。 驱动轴(15)由壳体(11,12,13)支撑并连接到压缩机构。 在壳体(11,12,13)的外壁上设置有围绕从壳体(11,12,13)突出的驱动轴(15)的部分的凸台(16)。 转子(18)连接到驱动轴(15)并将外部驱动源的动力传递到驱动轴(15)。 轴封装置(17)设置在壳体(11,12,13)中,并且密封驱动轴(15)与壳体(11,12,13)的内圆周表面之间的间隙。 回收单元(35,36,38)用于回收从轴封装置(17)泄漏的泄漏油。 台阶部分(40)形成为围绕位于凸台(16)的开口(16)侧相对于轴密封装置的旋转部分(15,21a1a)的周边延伸( 17)在壳体(11,12,13)中。 台阶部分(40)与回收单元(35,36,38)相对设置。