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    • 3. 发明授权
    • Scroll type compressor, having welded end shells and shaft subframe
    • 涡旋式压缩机,具有焊接端壳和轴子架
    • US5328340A
    • 1994-07-12
    • US56871
    • 1993-05-05
    • Shoichiro HaraMotokazu Ukioka
    • Shoichiro HaraMotokazu Ukioka
    • B23K9/007B23P15/00F04C18/02F04C18/04F04C23/00
    • F04C18/0215F04C23/008Y10S417/902Y10T29/49236Y10T29/4924
    • A scroll type compressor which includes a fixed scroll and an orbiting scroll which have their base plates provided with scroll wraps thereon, and which have the scroll wraps combined to form a compression chamber therebetween. A center shell is provided which has an upper inner peripheral surface formed with a stepped portion engageable with a stepped portion in the frame, which has the frame shrinkage fitted thereto. Shells are connected to both ends of the center shell to form a hermetic housing; and the hermetic housing is divided into a high pressure space and a low pressure space at a boundary which is formed by the shrinkage fitted portions of the center shell and the frame. The center shell has a lower inner peripheral surface formed with a stepped portion, and the stepped portion in the upper inner peripheral surface and the stepped portion in the lower inner peripheral surface are formed to keep predetermined parallelism and coaxiality, and the subframe is fixed to the stepped portion in the lower inner peripheral surface. In a preferred embodiment, a welding starting point for fixing the end shells to the center shell is in the same position when viewed in the axial direction on the circumference of the center shell as a welding point for fixing the subframe to the center shell.
    • 一种涡旋式压缩机,其包括固定涡旋件和绕动涡旋盘,所述涡卷机具有在其上设置有涡旋状涡卷的旋转涡旋盘,并且具有涡旋涡卷组合以在其间形成压缩室。 提供一种中心壳体,其具有形成有与框架中的阶梯部分接合的阶梯部分的上内周表面,其具有装配在其上的框架收缩。 壳体连接到中心壳体的两端以形成密封壳体; 并且密封壳体在由中心壳体和框架的收缩部分形成的边界处被分成高压空间和低压空间。 中心壳体具有形成有阶梯部的下部内周面,并且上部内周面的台阶部和下部内周面的台阶部形成为保持规定的平行度和同轴度,并且将副车架固定于 下部内周面的台阶部。 在一个优选实施例中,用于将端部壳体固定到中心壳体的焊接起点在作为用于将子架固定到中心壳体的焊接点处的中心壳体的圆周上沿轴向方向处于相同的位置。
    • 5. 发明授权
    • Scroll compressor having separation plate between high and low pressures
    • 涡旋压缩机具有高压和低压之间的隔板
    • US6017203A
    • 2000-01-25
    • US684575
    • 1996-07-19
    • Masaaki SugawaNobukazu KosoneTetsuzou MatsugiKiyoharu IkedaShoichiro HaraNorihiko Toyoda
    • Masaaki SugawaNobukazu KosoneTetsuzou MatsugiKiyoharu IkedaShoichiro HaraNorihiko Toyoda
    • F04C23/00F04C27/00F04C29/00F04C18/04
    • F04C18/0215F04C23/008F04C27/008F04C2230/231F04C2230/60F04C2240/30Y10T29/4924
    • A high-performance and high-reliability scroll compressor which prevents seal property failure at seal necessary points, tooth tip contact, abnormal wear of an elastic body, fatigue failure, etc. A radially outward peripheral projection (4c) is formed on the full outer peripheral surface of a separation plate (4). The peripheral projection (4c) is set to an outer diameter reduced, relative to the inner diameter of the shell main body (9) before a shell lid (20) is sealed by welding, etc., by the dimension corresponding to the shrinkage amount of a shell main body (9). That is, before welding, a minute gap occurs between the outer peripheral surface of the peripheral projections (4c) and the inner peripheral surface of the shell main body (9). Then, the separation plate (4) is inserted into the shell main body (9) and further the separation plate (4) and a frame (3) are fixed. After this, when the shell main body (9) and the shell lid (20) are welded, because of shrinkage of the shell main body (9) after the welding, the outer peripheral surface of the peripheral projections (4c) of the separation plate (4) comes in tight contact with the inner peripheral surface of the shell main body (9), whereby the space is partitioned and sealed between a high pressure space (30) and a low pressure space (31).
    • 一种高性能,高可靠性的涡旋压缩机,其防止密封必要点处的密封性能失效,齿尖接触,弹性体的异常磨损,疲劳失效等。径向向外周向突起(4c)形成在完全外部 分离板(4)的周边表面。 外壳突起(4c)被设定为相对于外壳主体(9)的内径减小外壳盖(20)通过焊接等密封的尺寸相当于与收缩量相对应的尺寸 的壳主体(9)。 也就是说,在焊接之前,在周边突起(4c)的外周面和壳主体(9)的内周面之间产生微小的间隙。 然后,分离板(4)插入壳主体(9)中,并且分离板(4)和框架(3)进一步固定。 此后,当壳体主体(9)和壳盖(20)焊接时,由于壳体主体(9)在焊接之后的收缩,所以分离的外围突起(4c)的外周面 板(4)与壳主体(9)的内周表面紧密接触,由此在高压空间(30)和低压空间(31)之间分隔并密封空间。
    • 6. 发明授权
    • Scroll type compressor having stepped assembling portions on the center
shell
    • 涡卷式压缩机在中心壳体上具有阶梯式组装部分
    • US5215451A
    • 1993-06-01
    • US770931
    • 1991-10-04
    • Shoichiro HaraMotokazu Ukioka
    • Shoichiro HaraMotokazu Ukioka
    • B23K9/007B23P15/00F04C18/02F04C18/04F04C23/00
    • F04C18/0215F04C23/008Y10S417/902Y10T29/49236Y10T29/4924
    • A scroll type compressor comprising: which has a peripheral portion formed with a flange, which has the fixed scroll fixed on the flange, which has a bearing at a central portion, and which has an outer peripheral surface formed with a stepped portion; a crankshaft which is rotatably supported at its upper portion by the frame bearing and which supports an electric motor rotor at a central portion; a subframe which has a central portion formed with a bearing for rotatably supporting the crankshaft at its lower end; a center shell which has an upper inner peripheral surface formed with a stepped portion engageable with the stepped portion in the frame, which has the frame shrinkage fitted thereto, shells which are connected to both ends of the center shell to form a hermetic housing; wherein the center shell has a lower inner peripheral surface formed with a stepped portion, the stepped portion in the upper inner peripheral surface and the stepped portion in the lower inner peripheral surface are formed to keep predetermined parallelism and coaxiality, and the subframe is fixed to the stepped portion in the lower inner peripheral surface.
    • 一种涡旋式压缩机,包括:具有形成有凸缘的周边部分,所述凸缘具有固定在所述凸缘上的所述固定涡旋件,所述凸缘在中心部分具有轴承,并且具有形成有台阶部分的外周面; 曲轴,其通过框架轴承可旋转地支撑在其上部并且在中心部分处支撑电动机转子; 子框架,其具有形成有用于在其下端可旋转地支撑曲轴的轴承的中心部分; 中心壳体,其具有上部内周面,该上部内周面形成有台阶部,该台阶部与框架内的台阶部接合,框架收缩配合,壳体与中心壳体的两端连接形成密封壳体; 其特征在于,所述中央壳体具有形成有阶梯部的下部内周面,上部内周面的台阶部和下部内周面的台阶部形成为保持规定的平行度和同轴度, 下部内周面的台阶部。
    • 8. 发明授权
    • Optical fiber reel, optical fiber storing case and optical repeater
    • 光纤卷盘,光纤储存盒和光中继器
    • US06424783B1
    • 2002-07-23
    • US09666588
    • 2000-09-20
    • Shoichiro Hara
    • Shoichiro Hara
    • G02B600
    • G02B6/4457
    • An optical fiber reel includes, two optical fiber take-up members taking-up an optical fiber and two flat plate like frame members sandwiching the two optical fiber take-up members between them. The two flat plate like frame members, covering the two optical fiber take-up members, have external circumferential configuration of which diameter is larger than diameter of a circumscribed circle of the two optical take-up members by not less than three times of d of diameter of the optical fiber, and arranged facing each other to make a gap not less than d but less than 2d, each of the two optical fiber take-up members have an external circumferential take-up face and a pair of outer surfaces, and arranged as the pair of outer surfaces being parallel to a flat plate face of the frame members to make a gap of not less than d between each other external circumferential take-up faces of the take-up members. The external circumference of the plane like frame members and external circumferential take-up faces of the optical fiber take-up members have a gap of not less than d between them.
    • 一个光纤卷轴包括两个卷绕光纤的光纤卷绕部件和两个平板状框架部件,两个光纤卷绕部件夹在它们之间。 覆盖两个光纤卷取构件的两个平板状框架构件的外周形状的直径大于两个光学卷绕构件的外接圆的直径不小于d的三倍 并且彼此相对布置以形成不小于d但小于2d的间隙,两个光纤卷取构件中的每一个具有外周卷取面和一对外表面,并且 被布置为一对外表面平行于框架构件的平板面,以在卷取构件的彼此的外周卷绕面之间形成不小于d的间隙。 光纤卷取构件的平面状框架构件和外周卷取面的外周面之间具有不小于d的间隙。