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    • 1. 发明授权
    • Piston type compressor with a rotary suction valve
    • 活塞式压缩机带旋转吸气阀
    • US5370506A
    • 1994-12-06
    • US154279
    • 1993-11-18
    • Toshiro FujiiHiromi KitayamaKoichi ItoHitoshi Inukai
    • Toshiro FujiiHiromi KitayamaKoichi ItoHitoshi Inukai
    • F04B39/08F04B39/10F04B1/12
    • F04B39/08F04B39/1073Y10T137/4449
    • A piston type compressor has a plurality of cylinder bores in which a plurality of pistons reciprocate to effect suction, compression and discharge of refrigerant gas in response to rotation of a drive shaft. The compressor has a gas receiving chamber for receiving the refrigerant gas before compression, a discharge chamber for receiving the compressed gas, and at least one rotary valve mounted on the drive shaft to be rotatable with the drive shaft. The rotary valve has a suction passageway for providing fluid communication between the gas receiving chamber and each of the compression chambers formed in the cylinder bores. A groove is provided on the outer circumferential wall of the rotary valve. The groove is connected with the outlet of the suction passageway and extends to a vicinity of the opposing end portions along the outer circumferential wall. The groove supplies the lubricant oil within the refrigerant gas in the suction passageway to and between the outer circumferential wall of the rotary valve and the inner wall of the recessed chamber during the rotation of the rotary valve.
    • 活塞式压缩机具有多个气缸孔,多个活塞在其中往复运动,以响应于驱动轴的旋转而实现制冷剂气体的吸入,压缩和排放。 压缩机具有用于在压缩之前接收制冷剂气体的气体接收室,用于接收压缩气体的排出室,以及安装在驱动轴上以与驱动轴一起旋转的至少一个旋转阀。 旋转阀具有用于在气体容纳室和形成在气缸孔中的每个压缩室之间提供流体连通的抽吸通道。 在旋转阀的外周壁上设置有槽。 凹槽与抽吸通道的出口连接,并沿着外周壁延伸到相对的端部附近。 在旋转阀旋转期间,凹槽将吸入通道内的制冷剂气体中的润滑油供应到旋转阀的外周壁和凹腔的内壁之间。
    • 2. 发明授权
    • Refrigerant gas guiding mechanism in piston type compressor
    • 活塞式压缩机中的制冷剂气体引导机构
    • US5375981A
    • 1994-12-27
    • US195366
    • 1994-02-10
    • Toshiro FujiiHiromi KitayamaHitoshi InukaiKoichi Ito
    • Toshiro FujiiHiromi KitayamaHitoshi InukaiKoichi Ito
    • F04B27/10F04B1/12
    • F04B27/1027
    • A refrigerant gas suction valve mechanism for a reciprocating piston type compressor is disclosed. The mechanism has a drive shaft rotatably disposed in a gas receiving chamber where uncompressed gas is introduced, Double- headed pistons provided in cylinder bores compress the gas when the pistons move from the bottom dead center to the top dead center. A suction port selectively permits and blocks communication between the suction passage and the compression chambers. A resilient member holds a rotary valve in contact with an inner wall of a recessed chamber with predetermined force. The suction port is maintained at a predetermined distance from a point where the pistons reach the top dead center so that the suction port is closed by the pistons before the pistons reach the top dead center.
    • 公开了一种用于往复式活塞式压缩机的制冷剂气体吸入阀机构。 该机构具有可旋转地设置在未压缩气体的气体接收室中的驱动轴,当活塞从下止点移动到上止点时,设置在气缸孔中的双头活塞压缩气体。 吸入口选择性地允许和阻止吸入通道和压缩室之间的连通。 弹性构件以预定的力保持与凹腔的内壁接触的旋转阀。 吸入口保持在从活塞到达上止点的预定距离处,使得吸入口在活塞到达上止点之前被活塞关闭。
    • 3. 发明授权
    • Gas guiding mechanism in a piston type compressor
    • 活塞式压缩机中的导气机构
    • US5380163A
    • 1995-01-10
    • US199812
    • 1994-02-22
    • Toshiro FujiiHiromi KitayamaHitoshi InukaiKoichi Ito
    • Toshiro FujiiHiromi KitayamaHitoshi InukaiKoichi Ito
    • F04B27/10F04B49/00
    • F04B27/1027
    • A piston type compressor is disclosed, which comprises a cylinder block having axial cylinder bores, pistons defining compression chambers in the bores, a drive shaft, and a gas suction and discharge chambers in a housing. A valve receiving chamber is formed around the drive shaft in the cylinder block, for accommodating a rotary valve which rotates in synchronism with rotation of the drive shaft. The rotary valve has a suction passage formed therein for providing gases from the gas suction chamber to a compression chamber during the chamber's gas suction stroke. A plurality of gas communication passages are formed in the cylinder block in association with the compression chambers, each having a first port open to the associated cylinder bore and a second port open to the valve receiving chamber. The first port is located at a position (P2) apart by a predetermined distance (L) from a top dead center position (P1) of the associated piston. The rotary valve has a bypass passage formed therein, for permitting one communication passage, isolated from both the compression chambers and the gas suction chamber, to communicate with another communication passage corresponding to a compression chamber in a compression stroke.
    • 公开了一种活塞式压缩机,其包括具有轴向气缸孔的气缸体,在孔中限定压缩室的活塞,驱动轴以及壳体中的气体吸入和排出室。 在气缸体中的驱动轴周围形成阀接收室,用于容纳与驱动轴的旋转同步旋转的旋转阀。 旋转阀具有形成在其中的吸入通道,用于在室的吸气冲程期间将气体从气体吸入室提供到压缩室。 多个气体连通通道与压缩室相关联地形成在气缸体中,每个压缩室具有通向相关联的气缸孔的第一端口和通向阀接收室的第二端口。 第一端口位于与相关联的活塞的上止点位置(P1)分开预定距离(L)的位置(P2)。 旋转阀具有形成在其中的旁通通道,用于允许与压缩室和吸气室隔离的一个连通通道与在压缩行程中对应于压缩室的另一连通通道连通。
    • 5. 发明授权
    • Axial multi-piston compressor having rotary suction valve
    • 具有旋转吸入阀的轴向多活塞式压缩机
    • US5393205A
    • 1995-02-28
    • US103884
    • 1993-08-06
    • Toshiro FujiiHiromi KitayamaKazuaki Iwama
    • Toshiro FujiiHiromi KitayamaKazuaki Iwama
    • F04B27/08B60H1/32F04B27/10F04B27/12F04B27/14F04B39/10F04B1/12
    • B60H1/3223F04B27/1009F04B27/1018F04B27/12
    • A compressor includes first and second cylinder blocks having cylinder bores and surrounding a drive shaft, and the bores of the first block are aligned and registered with the bores of the second block, respectively, the blocks being arranged to define a suction chamber therebetween. First and second housings are associated with the first and second blocks to define first and second discharge chambers therebetween, which are in communication with each other through a central passage of the drive shaft. Double-headed pistons are slidably received in the pairs of aligned bores, respectively, and a conversion mechanism is disposed within the suction chamber for converting a rotation of the shaft into a reciprocation of each piston in the corresponding aligned cylinder bores such that suction and compression strokes are alternately executed. A rotary valve introduces fluid into the bores just after the suction stroke is initiated, and the introduction of fluid is continued until the suction stroke is finished.
    • 压缩机包括具有气缸孔并围绕驱动轴的第一和第二气缸体,并且第一块的孔分别与第二块的孔对准并对准,所述块被布置成在它们之间限定吸入室。 第一和第二壳体与第一和第二块相关联,以在它们之间限定第一和第二排放室,它们通过驱动轴的中心通道相互连通。 双头活塞分别可滑动地容纳在成对的孔中,并且转换机构设置在吸入室内,用于将轴的旋转转换成相应对齐的气缸孔中的每个活塞的往复运动,使得吸入和压缩 交替执行笔画。 旋转阀在吸入行程开始之后将流体引入孔中,并且继续引入流体直到吸入冲程完成。