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    • 1. 发明授权
    • Scroll compressor with sealed pressure space biasing the orbiting scroll
member
    • 涡旋压缩机具有偏压绕动涡旋件的密封压力空间
    • US4861245A
    • 1989-08-29
    • US85754
    • 1987-08-17
    • Kenji TojoKenichi KawashimaKazutaka SuefujiYozo Nakamura
    • Kenji TojoKenichi KawashimaKazutaka SuefujiYozo Nakamura
    • F04C18/02F01C17/06F04C27/00
    • F04C27/005F01C17/066
    • A scroll compressor comprises two scroll members, each of which has an end plate and a wrap formed on the end plate so as to extend perpendicularly therefrom, are meshed with each other, one scroll member being orbited with respect to the other without being self-revolved, to introduce a gas into working chamber. The working chamber is formed by these two scroll members, compresses the gas therein and then discharge the same to the outside. A seal mechanism for pressure-sealing between the working chamber or the suction side and a space on a rear surface of the orbiting scroll member is provided on the same rear surface, and also a pair of small-diameter ports for communicating the mentioned space and working chamber with each other are provided on the end plate of the above-mentioned scroll member, whereby the outer diameter of the scroll members can be minimized, and the axial opposed end surfaces of the two scroll members can be maintained in sealed condition.
    • 涡旋压缩机包括两个涡旋构件,每个涡旋构件具有端板和形成在端板上以从其垂直延伸的涡卷彼此啮合,一个涡旋构件相对于另一个旋转, 旋转,将气体引入工作室。 工作室由这两个涡旋件构成,将其中的气体压缩,然后将其排出到外部。 用于在工作室或吸入侧之间进行压力密封的密封机构与绕动涡旋构件的后表面上的空间设置在同一个后表面上,还设有一对用于连通所述空间的小直径端口和 工作室彼此设置在上述涡旋构件的端板上,从而可以使涡旋构件的外径最小化,并且可以将两个涡旋构件的轴向相对的端面保持在密封状态。
    • 2. 发明授权
    • Scroll-type fluid machine with radial clearance between wraps
    • 涡卷式流体机器在包装之间具有径向间隙
    • US4579512A
    • 1986-04-01
    • US661915
    • 1984-10-17
    • Masao ShiibayashiSumihisa KotaniKazutaka SuefujiKenji TojoAkira Murayama
    • Masao ShiibayashiSumihisa KotaniKazutaka SuefujiKenji TojoAkira Murayama
    • F04C18/02F01C1/02F04C23/00F01C1/04F01C17/06
    • F01C1/0215F04C2230/60F04C23/008F05B2230/60
    • A scroll-type fluid machine having a stationary scroll member and an orbiting scroll member each of which includes a disc-like end plate and a spiral wrap extending axially from one side of the end plate, with the wraps of the scroll members meshing with each other to define therebetween closed compression chambers. The orbiting scroll member is disposed between the end plate of the stationary scroll member and a frame of the machine with a back clearance between the other side of the end plate of the orbiting scroll member side thereof and the opposing surface of the frame. The orbiting scroll member is driven to make an orbiting movement with respect to the stationary scroll member so that the compression chambers are progressively moved towards the center of the scroll members while decreasing their volumes, to thereby suck a fluid through a suction port in the stationary scroll member and compress the same to discharge the compressed fluid through a discharge port formed in the stationary scroll member. The radial clearance between the wraps of both scroll members is selected to meet a specific condition so as to avoid mutual contact between the wraps of the scroll members even when the orbiting scroll member is inclined with respect to the horizontal plane.
    • 一种涡旋式流体机械,其具有固定涡旋构件和绕动涡旋构件,每个涡旋构件包括盘状端板和从端板的一侧轴向延伸的螺旋形涡卷,涡旋构件的涡卷与每个 另一个在其间限定封闭的压缩室。 绕动涡旋构件设置在固定涡旋构件的端板和机器框架之间,在其绕动涡旋构件侧的端板的另一侧和框架的相对表面之间具有后间隙。 驱动绕动涡旋构件相对于静止涡旋构件进行轨道运动,使得压缩室在减小其体积的同时逐渐向着涡旋构件的中心移动,从而通过静止的吸入口吸入流体 涡旋构件并将其压缩以通过形成在固定涡旋构件中的排出口排出压缩流体。 选择两个涡旋构件的涡卷之间的径向间隙以满足特定条件,以便即使当绕动涡旋构件相对于水平面倾斜时也可避免涡旋构件的涡卷之间的相互接触。
    • 3. 发明授权
    • Synchronous rotating type scroll fluid machine
    • 同步旋转式涡旋流体机
    • US5295808A
    • 1994-03-22
    • US859860
    • 1992-03-30
    • Shigeru MachidaHiroshi IwataIsamu TsubonoKazutaka SuefujiSeiji OhtakeKenji Tojo
    • Shigeru MachidaHiroshi IwataIsamu TsubonoKazutaka SuefujiSeiji OhtakeKenji Tojo
    • F04C18/02F04C29/00F04B35/04F04B39/06F01C1/04F01C21/00
    • F04C18/023F04C29/0085
    • A synchronous rotating type scroll fluid machine has a first scroll member driven by a shaft of a first motor and having an end plate and a scroll wrap protruding from a surface of the scroll end plate, and a second scroll member driven by a shaft of a second motor and having a scroll end plate and a scroll wrap protruding from a surface of the scroll end plate. The machine further has a mounting structure for mounting the scroll members such that the axes of the scroll members are offset from each other and that said scroll wraps of the scroll members mesh with each other. Thrust balancing arrangements are provided for attaining a balance between the thrusting forces acting on each said scroll member, both at the mounting structure and said scroll members. The thrust balancing arrangement includes through-bores formed in the respective motor shafts and serving as passage bores for discharging a compressed gas. This arrangement also provides cooling effect as the compressed working gas functions as a cooling medium and, in addition, serves to suppress distortion of the scroll end plate of each scroll member.
    • 同步旋转式涡旋流体机具有由第一马达的轴驱动的第一涡旋构件,具有从涡旋端板的表面突出的端板和涡卷,以及由轴的驱动的第二涡旋构件 第二电动机并具有从涡旋端板的表面突出的涡旋端板和涡卷。 该机器还具有用于安装涡旋构件的安装结构,使得涡旋构件的轴线彼此偏移,并且涡旋构件的所述涡旋涡卷彼此啮合。 提供了推力平衡装置,用于在安装结构和所述涡旋构件两者之间实现作用在每个所述涡旋构件上的推力之间的平衡。 推力平衡装置包括形成在各个电动机轴中的通孔,并且用作排出压缩气体的通道孔。 这种布置还提供冷却效果,因为压缩的工作气体用作冷却介质,另外还用于抑制每个涡旋件的涡旋端板的变形。
    • 4. 发明授权
    • Refrigeration system incorporating scroll type compressor
    • 涡旋式压缩机制冷系统
    • US4475360A
    • 1984-10-09
    • US458923
    • 1983-01-18
    • Kazutaka SuefujiKensaku OguniSumihisa KotaniKenji Tojo
    • Kazutaka SuefujiKensaku OguniSumihisa KotaniKenji Tojo
    • F04C18/02F04C23/00F04C28/00F04C29/04F04C29/12F25B1/04F25B13/00F25B31/00
    • F04C28/00F04C18/0215F04C23/00F04C29/042F04C29/122F25B13/00F25B31/00
    • A refrigeration system including a scroll type compressor having a stationary scroll member, an orbiting scroll member, a discharge port formed in the central portion of the end plate of the fixed scroll member, a suction port formed in a peripheral portion of the fixed scroll member, and at least one gas injection port formed through the thickness of an end plate of the fixed scroll member in a portion of the end plate near the spiral wrap, at a position spaced from the wall of the spiral wrap by a radial distance less than the thickness of the spiral wrap. A discharge pipe is connected to the discharge port, with a suction pipe being connected to the suction port. A refrigerant circuit is connected between the suction pipe and the discharge pipe of the scroll type compressor and includes a four-way valve, indoor heat exchanger, first pressure reducer, gas-liquid separator, second pressure reducer and an outdoor heat exchanger. A gas injection passage is connected between the gas outlet formed in an upper part of the gas-liquid separator and the gas injection port, so as to permit the refrigerant gas in the upper part of the gas-liquid separator to be additionally supplied into the compression chambers under compression in the scroll type compressor.
    • 一种制冷系统,包括具有固定涡旋构件的涡旋式压缩机,形成在固定涡旋构件的端板的中心部的旋转涡旋构件,排出口,形成在固定涡旋构件的周向部分中的吸入口 以及至少一个气体注入口,其通过所述固定涡旋构件的端板的厚度在所述端板的靠近所述螺旋形涡卷的部分中形成,所述至少一个气体注入口在与所述螺旋状涡卷的壁间隔开径向距离小于 螺旋卷的厚度。 排出管连接到排出口,吸入管连接到吸入口。 在涡旋式压缩机的吸入管和排出管之间连接有制冷剂回路,包括四通阀,室内热交换器,第一减压器,气液分离器,第二减压器和室外热交换器。 在气液分离器的上部形成的气体出口和气体注入口之间连接有气体注入通道,以便将气液分离器的上部的制冷剂气体另外供给到 在涡旋式压缩机中受压缩的压缩室。
    • 7. 发明授权
    • Seal system and scroll type fluid machine
    • 密封系统和涡旋式流体机
    • US07950913B2
    • 2011-05-31
    • US12071678
    • 2008-02-25
    • Kazutaka SuefujiKiminori IwanoYuji KomaiKoji FukuiSusumu Sakamoto
    • Kazutaka SuefujiKiminori IwanoYuji KomaiKoji FukuiSusumu Sakamoto
    • F04C15/00F04C2/00
    • F01C1/084F01C19/005F01C19/08
    • In a seal system for a scroll type fluid machine, a seal mechanism is provided between a backpressure plate and a holder, so as to surround an orbiting backpressure chamber. The seal member comprises a seal attachment groove, a seal member and a Y-shaped packing. The seal attachment groove is stepped on its outer circumference to define a shallow bottom portion. The seal member includes, on its outer circumference side, a cutout portion matching the shallow bottom portion. The Y-shaped packing is disposed between a deep groove peripheral wall of the seal attachment groove and the cutout portion of the seal member, and a backpressure chamber is defined on a reverse surface side of the seal member. By this arrangement, a slide surface of the seal member can be larger than an effective area of the backpressure side of the seal member. Thereby it is possible to reduce a difference between a load Ff acting on the slide surface and a load Fb acting on the reverse surface.
    • 在用于涡旋式流体机械的密封系统中,在背压板和保持器之间设置密封机构,以便围绕绕动的背压室。 密封构件包括密封附接槽,密封构件和Y形填料。 密封附接槽在其外圆周上台阶形成浅底部。 密封构件在其外周侧包括与浅底部匹配的切口部。 Y形密封件设置在密封件安装槽的深槽周壁和密封构件的切口部之间,背压室限定在密封构件的背面侧。 通过这种布置,密封构件的滑动表面可以大于密封构件的背压侧的有效面积。 由此,可以减小作用在滑动面上的载荷Ff与作用在反面上的载荷Fb之间的差。
    • 9. 发明申请
    • Scroll type fluid machine
    • 滚动式流体机
    • US20070231175A1
    • 2007-10-04
    • US11727516
    • 2007-03-27
    • Kazutaka SuefujiShunsuke MoriJunichi Nagasawa
    • Kazutaka SuefujiShunsuke MoriJunichi Nagasawa
    • F01C1/02F01C1/063
    • F04C18/0215F01C21/02F04C29/0057
    • The present invention provides a scroll type fluid machine having a driving system including a counter weight and a sub weight, in which an efficiency of an assembling operation is enhanced by simplifying an assembling structure of the driving system. In the fluid machine, a sub weight 17 is provided on a rotary shaft 16 and a counter weight 20 is provided on a driving bush 19. The driving bush 19 is attached to the rotary shaft 16 by an attachment bolt 23 to prevent a relative rotation between the rotary shaft and the driving bush. The rotary shaft 16 supported by a main bearing 18 is rotatingly driven by a motor 9, with the result that an orbiting scroll 4 performs an orbiting motion with respect to a fixed scroll 2. With this arrangement, during an assembling operation of the fluid machine, by attaching the attachment bolt 23, a plurality of parts including casing 1, rotary shaft 16, sub weight 17, main bearing 18, driving bush 19, counter weight 20, washer 21 and the like can easily be integrated with each other, thereby enhancing the assembling operation efficiently.
    • 本发明提供一种涡卷式流体机械,其具有包括配重和副重量的驱动系统,其中通过简化驱动系统的组装结构来提高组装操作的效率。 在流体机械中,副转子17设置在旋转轴16上,配重20设置在驱动衬套19上。驱动衬套19通过安装螺栓23安装在旋转轴16上,以防止相对旋转 在旋转轴和驱动衬套之间。 由主轴承18支撑的旋转轴16由马达9旋转驱动,结果是绕动涡旋件4相对于固定涡旋件2进行轨道运动。通过这种布置,在流体机械的组装操作期间 通过安装附接螺栓23,可以容易地将包括壳体1,旋转轴16,副重量17,主轴承18,驱动衬套19,配重20,垫圈21等的多个部件彼此一体化,从而 有效提高装配作业。