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    • 1. 发明授权
    • Scroll compressor with first and second oil pumps in series
    • 涡旋压缩机与第一和第二油泵串联
    • US5017108A
    • 1991-05-21
    • US488942
    • 1990-03-05
    • Akira MurayamaNaoshi UchikawaTakahiro TamuraTakao MizunoKazuo Sakurai
    • Akira MurayamaNaoshi UchikawaTakahiro TamuraTakao MizunoKazuo Sakurai
    • F04C18/02F04C23/00F04C29/02
    • F04C18/0215F04C29/025F04C23/008
    • A scroll compressor comprises an orbiting scroll and a fixed scroll, each of which has a wrap formed on an end plate in upstanding position. These orbiting and fixed scrolls are assembled together with the wraps facing inwardly to each other so as to define a plurality of spaces by the wraps and the end plates of both scrolls. These spaces move toward the center of both scrolls during the orbiting movement of the orbiting scroll so as to reduce the respective capacities of the spaces. Thus, compression of a fluid is carried out. This compressor also includes a motor for driving the orbiting scroll and a driving shaft for connecting the orbiting scroll and the motor. At the end of the driving shaft on the motor side, a first oil supply pump is provided with its suction port communicating to an oil sump of the compressor. Also, a second oil supply pump communicating with the discharge side of the second oil supply pump is provided at the end of the driving shaft on the compressor section side, whereby the oil supply pump of the compressor is made of a multistage type.
    • 涡旋压缩机包括绕动涡旋件和固定涡旋件,每个涡旋件具有以直立位置形成在端板上的涡卷。 这些旋转和固定的涡卷组装在一起,其中卷绕物彼此面向内,以便通过两个卷轴的卷边和端板限定多个空间。 这些空间在轨道运行的涡卷的轨道运动期间朝向两个涡卷的中心移动,以便减小空间的相应容量。 因此,进行流体的压缩。 该压缩机还包括用于驱动绕动涡旋件的马达和用于连接绕动涡旋盘和马达的驱动轴。 在电动机侧的驱动轴的端部,第一供油泵设有与吸入口连通的压缩机的油底壳。 此外,在压缩机部侧的驱动轴的端部设置有与第二供油泵的排出侧连通的第二供油泵,由此,压缩机的供油泵由多级型制成。
    • 2. 发明授权
    • Hermetic scroll compressor having concave spaces communicating with a
delivery port
    • 具有与输送口连通的凹形空间的密封涡旋压缩机
    • US4730997A
    • 1988-03-15
    • US898211
    • 1986-08-20
    • Takahiro TamuraNaoshi UchikawaAkira MurayamaTakao Mizuno
    • Takahiro TamuraNaoshi UchikawaAkira MurayamaTakao Mizuno
    • F04C29/02F04C18/02F04C18/06F04C23/00F04C18/04
    • F04C23/008F04C2240/603Y10S418/01
    • The scroll type compressor has a hermetic casing, and a scroll compressor section and an electric motor section which are contained within the hermetic casing. These compressor and electric motor sections are fitted through a frame in the hermetic casing. In a portion of the frame intermediate between the compressor and the electric motor section, a plurality of segmented concave spaces are defined. At an upper portion in the hermetic casing, a discharge space which communicates with a discharge port of the scroll compressor section is defined. Further, in a portion of the casing between the compressor and the motor section, a delivery port which open to one of the concave spaces in the frame is provided. Furthermore, at least one fluid passage is provided in an outer periphery of the compressor section and this passage makes the discharge space communicate with the other concave spaces in the frame. A compressed gas from the scroll compressor section is introduced via the discharge space and the fluid passage into the concave spaces, and is introduced from the delivery port to the outside of the compressor after separating the oil contained within the compressed gas in these concave spaces.
    • 涡旋式压缩机具有密封壳体和容纳在密封壳体内的涡旋压缩机部分和电动机部分。 这些压缩机和电动机部分通过框架安装在密封壳体中。 在压缩机和电动机部分之间的框架的一部分中,限定了多个分段的凹形空间。 在密封壳体的上部,限定与涡旋压缩机部的排出口连通的排出空间。 此外,在压缩机和电动机部之间的壳体的一部分中,设置有向框架中的一个凹部空间开放的输送口。 此外,在压缩机部分的外周设置至少一个流体通道,并且该通道使得放电空间与框架中的其它凹入空间连通。 来自涡旋压缩机部的压缩气体经由放电空间和流体通路导入凹部空间,在将这些凹部空间内的压缩气体中所含的油分离后,从输送口向压缩机外部导入。
    • 6. 发明授权
    • Scroll-type fluid machine with seal to aid lubrication
    • 带有密封件的滚动式流体机械,以帮助润滑
    • US4743181A
    • 1988-05-10
    • US819260
    • 1986-01-16
    • Akira MurayamaHiroaki KunoNaoshi UchikawaTakahiro TamuraTakao Mizuno
    • Akira MurayamaHiroaki KunoNaoshi UchikawaTakahiro TamuraTakao Mizuno
    • F04C18/02F04C23/00F04C23/02F04C29/00F04C18/04F04C29/02
    • F04C29/0021F04C23/008F04C2240/603
    • A scroll-type fluid machine for an air conditioning machine comprises a hermetically closed vessel which houses therein an orbiting scroll member and a stationary scroll member forming together a compressor portion, an Oldham ring member for preventing the orbiting scroll member from rotating about its own axis, a driving motor having a driving shaft connected to the orbiting scroll member for driving the same, and a frame for supporting the shaft, a low pressure liquid introducing passage for making the interior of the hermetically closed vessel a low pressure chamber, and a high pressure fluid discharge passage. A sealing member is provided at the back of the orbiting scroll member with its surfaces slidably contacting the frame and the orbiting scroll member to form a chamber separated from the low pressure chamber. A fluid which is in mid course of being compressed and has an intermediate pressure between suction pressure and discharge pressure is introduced into the separated chamber to maintain the same at the intermediate pressure, thereby overcoming a thrust force exerted on the orbiting scroll member to press the same against the stationary scroll member and effecting a proper supply of lubricating oil to moving portions of the machine.
    • 一种用于空调机的涡旋式流体机器包括一个密闭容器,其中容纳有旋转涡旋构件和一个形成在一起的压缩机部分的固定涡旋构件,用于防止绕动涡旋构件围绕其自身轴线旋转的十字环构件 驱动马达,其驱动轴连接到用于驱动该旋转涡旋构件的驱动轴,以及用于支撑轴的框架,用于使密闭容器内部形成低压室的低压液体引入通道, 压力流体排出通道。 密封构件设置在绕动涡旋构件的后部,其表面可滑动地接触框架和绕动涡旋构件,以形成与低压室分离的室。 在被压缩的中间流体并且在吸入压力和排出压力之间具有中间压力的流体被引入到分离的室中以将其保持在中间压力,从而克服施加在绕动涡旋件上的推力以将 相对于固定涡旋构件,并且对机器的移动部分施加适当的润滑油供应。
    • 7. 发明授权
    • Scroll compressor with pressure differential maintained for supplying oil
    • 涡轮压缩机保持压力差供油
    • US4669962A
    • 1987-06-02
    • US767812
    • 1985-08-21
    • Takao MizunoTetsuya ArataNaoshi UchikawaAkira MurayamaTakahiro TamuraHiroaki Kuno
    • Takao MizunoTetsuya ArataNaoshi UchikawaAkira MurayamaTakahiro TamuraHiroaki Kuno
    • F04C18/02F04C27/00F04C29/02F04C18/04F04C29/10
    • F04C27/005
    • A scroll compressor including a stationary scroll and an orbiting scroll, with an intermediate pressure chamber being defined on a back side of the orbiting scroll member and being in communication with a pressure chamber through a communication hole to produce a force for pressing the orbiting scroll against the stationary scroll. Oil in an oil sink is supplied to sliding portions by a differential pressure between a pressure in the air tight container and a pressure in the intermediate pressure chamber. A valve is provided for switching the connection of the intermediate pressure chamber to a higher intermediate pressure side or to a lower intermediate pressure side of the compressor. The valve is constructed such that the intermediate pressure chamber is connected to the lower intermediate pressure side of the compressor when a discharge pressure of the compressor is lower than a certain value and connected to the higher intermediate pressure side of the compressor when the discharge pressure is higher than a certain value so that a proper oil supply pressure is maintained over a wide operational range.
    • 一种涡旋式压缩机,包括固定涡旋件和绕动涡旋件,其中间压力室限定在所述绕动涡旋件的背面,并且通过连通孔与压力室连通,以产生用于将所述绕动涡旋件压靠在 固定卷轴。 通过气密容器中的压力和中间压力室之间的压力之间的压差将油槽中的油供给到滑动部。 设置有用于将中压室的连接切换到压缩机的较高中压侧或较低中压侧的阀。 该阀被构造成使得当压缩机的排出压力低于一定值时,中间压力室连接到压缩机的下部中间压力侧,并且当排出压力为 高于一定值,使得在广泛的操作范围内保持适当的供油压力。
    • 8. 发明授权
    • Scroll fluid apparatus
    • 滚动流体装置
    • US4596521A
    • 1986-06-24
    • US559088
    • 1983-12-07
    • Akira MurayamaHiroaki KunoNaoshi UchikawaTakahiro TamuraTakao MizunoMasao Shiibayashi
    • Akira MurayamaHiroaki KunoNaoshi UchikawaTakahiro TamuraTakao MizunoMasao Shiibayashi
    • F04C29/02F01C1/02F04C23/00F04C18/04F04C29/10
    • F01C1/0215F04C2250/10F04C23/008F05B2250/50
    • A scroll fluid apparatus including a fixed scroll member and an orbiting scroll member each having an end plate and a wrap, the two scroll members being maintained in meshing engagement with each other with the respective wraps facing inwardly to allow the orbiting scroll member to move in orbiting movement with respect to the fixed scroll member without rotating on its own axis. The fixed scroll member is formed with a discharge port at its central portion and a suction port at its outer peripheral surface to draw a gas by suction through the suction port and allow same to flow in a sealed space defined between the two scroll members and reducing its space during operation to thereby compress the gas and discharge the compressed gas through the discharge port. A clearance is defined between an outer peripheral surface of the end plate of the orbiting scroll member and a wall facing the outer peripheral surface and successively changing its volume as the orbiting scroll member moves in orbiting movement, and at least one pressure relieving space is provided to communicate with the clearance for conveniently discharging a fluid from the clearance to avoid compression of the fluid.
    • 一种涡旋流体装置,包括固定涡旋构件和旋转涡旋构件,每个涡旋构件具有端板和涡卷,所述两个涡旋构件保持彼此啮合,各个涡卷面向内,以允许绕动涡旋构件移动 相对于固定涡旋构件的轨道运动而不在其自身轴线上旋转。 固定涡旋构件在其中心部分形成有排出口,在其外周面形成有吸入口,通过抽吸口抽吸气体,并允许其在限定在两个涡旋构件之间的密封空间中流动并且减少 其在操作期间的空间,从而压缩气体并通过排出口排出压缩气体。 在绕动涡旋构件的端板的外周面与面向外周面的壁之间形成间隙,并且随着绕动涡旋构件在轨道运动中移动而依次改变其体积,并且设置至少一个减压空间 与间隙通信,以方便地从间隙排放流体,以避免压缩流体。
    • 10. 发明授权
    • Scroll-type compressor
    • 滚动式压缩机
    • US4545747A
    • 1985-10-08
    • US559089
    • 1983-12-07
    • Takahiro TamuraHiroaki KunoNaoshi UchikawaAkira MurayamaTakao Mizuno
    • Takahiro TamuraHiroaki KunoNaoshi UchikawaAkira MurayamaTakao Mizuno
    • F04C18/02F04C23/00F04C28/26F04C29/08
    • F04C28/26F04C18/0215F04C23/008
    • A scroll-type compressor has an orbital scroll member and a stationary scroll member each having a disc-shaped end plate and a spiral wrap protruding upright from the end plate. The scroll members are assembled together with their wraps meshing with each other to define compression chambers therebetween. The orbital scroll member executes an orbital movement without rotating around its own axis. A discharge port and a suction port are formed in a central portion and a peripheral portion of the end plate of the stationary scroll member, respectively. As the orbital scroll member makes the orbital movement, the compression chambers are moved towards the center while decreasing their volumes thereby to progressively compress a gas drawn through the suction port and to discharge the compressed gas through the discharge port. The compressor further has a check valve disposed in a gas passage which is formed through the thickness of the end plate of the stationary scroll member so as to communicate with a suction chamber formed between the scroll members.
    • 涡旋式压缩机具有轨道涡旋构件和固定涡旋构件,每个轨道涡旋构件和固定涡旋构件具有圆盘状的端板和从端板竖直突出的螺旋形涡卷。 涡旋构件被组装在一起,其缠绕物彼此啮合以在它们之间限定压缩室。 轨道滚动构件执行轨道运动而不围绕其自身的轴线旋转。 排水口和吸入口分别形成在固定涡旋件的端板的中心部分和周边部分。 当轨道涡旋构件进行轨道运动时,压缩室朝向中心移动,同时减小其体积,从而逐渐压缩通过吸入口抽吸的气体并且通过排出口排出压缩气体。 压缩机还具有设置在通过固定涡旋件的端板厚度的气体通道中的止回阀,以便与形成在涡旋件之间的吸入室相通。