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    Stuffing box and packing rings for use therein
    4.
    发明授权
    Stuffing box and packing rings for use therein 有权

    公开(公告)号：US09903475B2

    公开(公告)日：2018-02-27

    申请号：US14996767

    申请日：2016-01-15

    Applicant: National Oilwell Varco, L.P.

    Inventor： Joshua Ryan Ruffin ,  Jeremy Michael Rappenecker

    IPC: F16J15/18 ,  F04B39/04 ,  F16J15/20

    CPC classification number: F16J15/183 ,  F04B39/041 ,  F16J15/18 ,  F16J15/181 ,  F16J15/182 ,  F16J15/20

    Abstract: A packing ring is disclosed for sealingly engaging a movable rod member within a stuffing box having an internal cavity. In an embodiment, the packing ring includes a carrier and a sealing ring mounted to the carrier. The sealing ring is configured to sealingly engage with an outer surface of the rod when the rod is disposed within the internal cavity. The carrier includes a radially outer surface that is configured to sealingly engage with an internal surface of the stuffing box. In addition, the carrier includes a radially inner surface that is proximate to an outer surface of the rod when the rod extends through the stuffing box. Further, the carrier includes a plurality of lubrication grooves each groove extending from the radially outer surface to the radially inner surface and configured to convey a lubricant flow between the radially outer surface and the radially inner surface.

    SHAFT SEAL FOR AN OPEN-DRIVE COMPRESSOR
    6.
    发明申请
    SHAFT SEAL FOR AN OPEN-DRIVE COMPRESSOR 有权
    用于开式压缩机的轴封

    公开(公告)号：US20160040668A1

    公开(公告)日：2016-02-11

    申请号：US14777312

    申请日：2014-03-14

    Applicant: THERMO KING CORPORATION

    Inventor： Ryan Michael FRITTS ,  Timothy James OURADA ,  Troy WOZNIAK

    IPC: F04C27/00 ,  F04C29/04

    CPC classification number: F04C27/009 ,  F01C19/005 ,  F04B39/04 ,  F04B39/041 ,  F04C29/02 ,  F04C29/04 ,  F16J15/3404

    Abstract: Devices and methods for maintaining lubrication of a shaft seal of an open-drive compressor that is operating in a vacuum condition. The external side of the shaft seal allows retention of a volume of lubricant for extending the lifespan of the shaft seal for the open-drive compressor. The devices can also reduce and/or prevent deterioration of the shaft seal regardless of the operation condition of the open-drive compressor. The devices can further reduce and/or prevent leakage of a lubricant and/or refrigerant that can cause deterioration of components within a transport refrigeration unit (TRU).

    Abstract translation: 在真空条件下运行的开式压缩机的轴封的润滑保持装置和方法。 轴密封件的外侧允许保持一定量的润滑剂以延长用于开式压缩机的轴封的寿命。 无论开式压缩机的运行状况如何，这些装置还可以减少和/或防止轴封的劣化。 这些装置可以进一步减少和/或防止润滑剂和/或可导致运输制冷单元（TRU）内部件劣化的制冷剂泄漏。

    Scraper device for a reciprocating compressor piston rod
    8.
    发明申请
    Scraper device for a reciprocating compressor piston rod 有权
    往复式压缩机活塞杆刮板装置

    公开(公告)号：US20030030228A1

    公开(公告)日：2003-02-13

    申请号：US10206060

    申请日：2002-07-29

    Inventor： Franco Graziani ,  Massimo Iacobelli ,  Simone Pratesi

    IPC: F16J015/32

    CPC classification number: F04B39/041

    Abstract: A scraper device (10) for a reciprocating compressor piston rod (11) comprises at least one scraper ring (12, 12null), provided with at least one lip (27, 28) which faces the surface of the said rod (11), and a box (13) to contain the scraper ring (12) and for centring on the rod (11), wherein this scraper ring (12) is produced by means of mechanical processing of deformable plastics materials and wherein this container box (13) is accommodated in support elements (14) with radial play (34).

    Abstract translation: 用于往复式压缩机活塞杆（11）的刮刀装置（10）包括至少一个刮刀环（12,12'），其设有面向所述杆（11）的表面的至少一个唇缘（27,28） ，以及容纳所述刮刀环（12）并且用于定心在所述杆（11）上的箱（13），其中所述刮刀环（12）通过可变形塑料材料的机械加工制造，并且其中所述容器箱 ）容纳在具有径向游隙（34）的支撑元件（14）中。

    Multistage high pressure compressor
    9.
    发明授权
    Multistage high pressure compressor 失效
    多级高压压缩机

    公开(公告)号：US06431840B1

    公开(公告)日：2002-08-13

    申请号：US09656602

    申请日：2000-09-07

    Applicant: Denji Mashimo ,  Hiroshi Nishikawa ,  Takahiro Nishikawa ,  Yasuo Sakamoto ,  Takayuki Mizuno ,  Kazuya Sato ,  Makoto Aida

    Inventor： Denji Mashimo ,  Hiroshi Nishikawa ,  Takahiro Nishikawa ,  Yasuo Sakamoto ,  Takayuki Mizuno ,  Kazuya Sato ,  Makoto Aida

    IPC: F04B2500

    CPC classification number: F04B39/122 ,  F04B5/02 ,  F04B25/00 ,  F04B27/02 ,  F04B27/04 ,  F04B27/0414 ,  F04B27/0423 ,  F04B35/04 ,  F04B39/041 ,  F04B39/125 ,  F04B39/126

    Abstract: There is provided a multistage high pressure compressor in which a rotor is supported with respect to a rotating shaft of an electric motor and which can suppress a torque fluctuation of the electric motor and achieve a stable operation of the electric motor. A fly wheel is attached to a lower end of the rotating shaft of the electric motor, and the fly wheel supports the rotor of the electric motor with respect to the rotating shaft. The fly wheel is connected to the lower end of the rotating shaft of the electric motor by a bolt, and an extension of a detent key between the rotating shaft of the electric motor and the rotor of the electric motor is inserted into the fly wheel. Moreover, there is provided a multistage high pressure compressor achieving improved sealing between a cylinder and members surrounding the periphery thereof, which is capable of realizing a simplified processing of the cylinder and an easy assembly process. Seal spaces in which seal rings are compressed between the cylinder and the members surrounding thereof are provided at the outer peripheries at the both ends of the cylinder.

    Abstract translation: 提供了一种多级高压压缩机，其中转子相对于电动机的旋转轴被支撑，并且可以抑制电动机的转矩波动并实现电动机的稳定运行。 飞轮附接到电动机的旋转轴的下端，并且飞轮相对于旋转轴支撑电动机的转子。 飞轮通过螺栓连接到电动机的旋转轴的下端，并且电动机的旋转轴和电动机的转子之间的止动键的延伸部被插入到飞轮中。 此外，提供了一种多级高压压缩机，其实现了气缸和围绕其周边的构件之间的密封，其能够实现气缸的简化处理和易于组装的过程。 密封环在气缸和围绕其的构件之间被压缩的密封空间设置在气缸两端的外周。

    Sealing device
    10.
    发明授权
    Sealing device 失效
    密封装置

    公开(公告)号：US3874679A

    公开(公告)日：1975-04-01

    申请号：US41187973

    申请日：1973-11-01

    Applicant: KALLER SIGURD

    Inventor： KALLER SIGURD

    IPC: F04B39/04 ,  F16J9/08 ,  F16J15/24 ,  F16J15/56 ,  F16J15/18

    CPC classification number: F16J15/24 ,  F04B39/041 ,  F16J9/08 ,  F16J15/56

    Abstract: The invention disclosed relates to a sealing device which is applied between two elements, movable in relation to each other and intended to prevent leakage of high pressure fluids or other media between a high pressure side and one of low pressure. The device disclosed comprises a ring assembly having a number of circular sealing rings compressed against a surface of revolution of at least one element. The rings are pressed against each other by a compression force and each has an open slit for flexible movement and contact relative to the surface. The slits in the sealing rings are displaced in relation to each other and a sleeve of resilient material tightly surrounds the sealing rings, pressing radially against the sealing rings under the influence of compressive forces.

    Abstract translation: 所公开的本发明涉及一种密封装置，其被施加在可相对于彼此移动的两个元件之间，并且旨在防止高压侧和低压侧的高压侧和其它介质之间的泄漏。 所公开的装置包括具有多个圆形密封环的环组件，该环形密封环压缩至少一个元件的旋转表面。 环通过压缩力彼此挤压，并且每个都具有用于相对于表面的柔性移动和接触的开口狭缝。 密封环中的狭缝相对于彼此移位，弹性材料的套筒紧密地包围密封环，在压缩力的影响下径向地压靠密封环。

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