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    Compressor lubrication supply system and compressor thereof
    11.
    发明授权
    Compressor lubrication supply system and compressor thereof 有权

    公开(公告)号：US11898571B2

    公开(公告)日：2024-02-13

    申请号：US17646628

    申请日：2021-12-30

    Applicant: TRANE INTERNATIONAL INC.

    Inventor： Mark W. Harrison ,  Steven J. Pitts ,  Todd W. Smith

    IPC: F04D29/063 ,  F16N39/02 ,  F16N3/04 ,  F25B31/00 ,  F16N39/04

    CPC classification number: F04D29/063 ,  F16N39/02 ,  F16N39/04 ,  F25B31/004 ,  F25B31/008

    Abstract: A lubricant supply system is for a compressor that compresses a first working fluid in a heat transfer circuit. The lubricant supply system includes a lubricant tank, a lubricant pathway for supplying lubricant from the lubricant tank to one or more bearings of the compressor, and a lubricant refrigeration system with a lubricant heater and a lubricant cooler. The lubricant heater configured to heat the lubricant discharged from the one or more bearings and the lubricant cooler configured to cool the lubricant flowing through the lubricant pathway. A method of lubricating a compressor includes heating the lubricant, directing the lubricant from a lubricant tank through a lubricant pathway to one or more bearings of the compressor, and cooling the lubricant passing through the lubricant pathway.

    Systems and methods to clamp an impeller to a compressor shaft
    12.
    发明授权
    Systems and methods to clamp an impeller to a compressor shaft 有权

    公开(公告)号：US10443604B2

    公开(公告)日：2019-10-15

    申请号：US14929640

    申请日：2015-11-02

    Applicant: TRANE INTERNATIONAL INC.

    Inventor： Mark W. Harrison ,  Jon Christopher Johnson ,  Todd W. Smith

    IPC: F04D17/12 ,  F04D29/051 ,  F04D29/62 ,  F04D25/06 ,  F04D29/26

    Abstract: Systems and methods to clamp an impeller on a shaft in a centrifugal compressor. The embodiments as disclosed herein may include clamping individual impeller independently to the shaft, which may reduce the tolerance stack-up effect of a plurality of impellers. The impeller can be clamped to the shaft by positioning, for example, a relatively stiff support (e.g. a shaft locknut) on a front side of the impeller. The impeller can also be clamped to the shaft by a relatively flexible support to compensate for e.g. thermal expansion/contraction of the impeller. The embodiments as disclosed herein are particularly suitable for a multi-stage impeller.

    SYSTEMS AND METHODS TO CLAMP AN IMPELLER TO A COMPRESSOR SHAFT
    13.
    发明申请
    SYSTEMS AND METHODS TO CLAMP AN IMPELLER TO A COMPRESSOR SHAFT 审中-公开
    将压缩机压入压缩机轴的系统和方法

    公开(公告)号：US20160123342A1

    公开(公告)日：2016-05-05

    申请号：US14929640

    申请日：2015-11-02

    Applicant: TRANE INTERNATIONAL INC.

    Inventor： Mark W. Harrison ,  Jon Christopher Johnson ,  Todd W. Smith

    IPC: F04D29/051 ,  F04D25/08 ,  F04D29/28 ,  F04D29/62 ,  F04D17/12 ,  F04D29/053

    CPC classification number: F04D29/051 ,  F04D17/122 ,  F04D25/06 ,  F04D29/266 ,  F04D29/624 ,  F05D2260/31

    Abstract: Systems and methods to clamp an impeller on a shaft in a centrifugal compressor. The embodiments as disclosed herein may include clamping individual impeller independently to the shaft, which may reduce the tolerance stack-up effect of a plurality of impellers. The impeller can be clamped to the shaft by positioning, for example, a relatively stiff support (e.g. a shaft locknut) on a front side of the impeller. The impeller can also be clamped to the shaft by a relatively flexible support to compensate for e.g. thermal expansion/contraction of the impeller. The embodiments as disclosed herein are particularly suitable for a multi-stage impeller.

    Abstract translation: 在离心式压缩机中将叶轮夹紧在轴上的系统和方法。 本文公开的实施例可以包括单独地将叶片夹紧到轴上，这可以减小多个叶轮的公差叠加效应。 叶轮可以通过在叶轮的前侧定位例如相对刚性的支撑件（例如轴锁紧螺母）而被夹紧到轴上。 叶轮也可以通过相对柔性的支撑件夹紧到轴上，以补偿例如。 叶轮的热膨胀/收缩。 本文公开的实施例特别适用于多级叶轮。

    ROLLING ELEMENT BEARINGS FOR AN OIL-FREE LIQUID CHILLER
    14.
    发明申请
    ROLLING ELEMENT BEARINGS FOR AN OIL-FREE LIQUID CHILLER 审中-公开
    无油液体冷冻机的滚动元件轴承

    公开(公告)号：US20140360210A1

    公开(公告)日：2014-12-11

    申请号：US14363468

    申请日：2012-12-05

    Applicant: TRANE INTERNATIONAL INC.

    Inventor： William E. Lapp ,  Todd W. Smith ,  Arthur L. Butterworth ,  Paul J. Sikorsky

    IPC: F25B31/00 ,  F16C43/04 ,  F16C33/62 ,  F25B1/00 ,  F16C33/64

    CPC classification number: F25B31/002 ,  F04D17/10 ,  F04D17/12 ,  F04D29/059 ,  F04D29/063 ,  F16C33/303 ,  F16C33/62 ,  F16C33/64 ,  F16C33/6692 ,  F16C43/04 ,  F16C2204/66 ,  F16C2204/70 ,  F16C2360/44 ,  F25B1/005 ,  F25B1/053 ,  F25B31/006 ,  Y10T29/49689

    Abstract: A refrigeration chiller employs a centrifugal compressor the impellers of which are mounted on a shaft which is itself mounted for rotation using rolling element bearings lubricated only by the refrigerant which constitutes the working fluid of the chiller system. Apparatus is taught for providing liquid refrigerant to (1.) the bearings immediately upon chiller start-up, during chiller operation and during a coastdown period subsequent to shutdown of the chiller and (2.) the drive motor of the chiller's compressor for motor cooling purposes. By use of a variable speed-driven motor to drive the compressor, optimized part load chiller performance is achieved in a chiller which does not require or employ an oil-based lubrication system.

    Abstract translation: 制冷冷冻机采用离心式压缩机，其叶轮安装在轴上，该轴本身通过仅由构成冷却器系统的工作流体的制冷剂润滑的滚动元件轴承进行旋转。 教学设备用于在冷水机启动期间，冷水机组运行期间和冷却器停机后的滑行期间（1）提供液体制冷剂到（1）轴承;（2）制冷机用于电机冷却的压缩机的驱动电机 目的 通过使用变速驱动电机来驱动压缩机，在不需要或使用油基润滑系统的冷却器中实现优化的部件负载冷却器性能。

    Methods and apparatuses to isolate vibration
    19.
    发明授权
    Methods and apparatuses to isolate vibration 有权

    公开(公告)号：US10228148B2

    公开(公告)日：2019-03-12

    申请号：US14414327

    申请日：2013-07-11

    Applicant: TRANE INTERNATIONAL INC.

    Inventor： Pavak Mehta ,  Todd W. Smith ,  Rod Lakowske ,  Daniel R. Crum

    IPC: F24F1/12 ,  F04B39/00 ,  F16F15/02 ,  F16L55/033

    Abstract: A vibration isolation apparatus for an air conditioning system may include a flow passage, at least a portion of which has a convoluted structure. The flow passage may also be coupled to two stabilizing members. The vibration isolation apparatus may include a structural supporting member to retain the two stabilizing members. The rod may be isolated from the stabilizing members by vibration isolation members. The vibration isolation apparatus may be positioned in a refrigeration line between an outlet of a compressor and a refrigerant pipe. The stabilizing members, the convoluted flow passage and the vibration isolation members may attenuate the vibration generated by the compressor so as to reduce the vibration transmitted to the refrigerant pipe. The structural supporting member may enhance the structural strength of the vibration isolation apparatus to withstand the pressure of the compressed refrigerant.

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