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。

公开(公告)号：US10408268B2

公开(公告)日：2019-09-10

申请号：US14763213

申请日：2014-01-24

Applicant: TRANE INTERNATIONAL INC.

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

IPC: F16C33/62 ,  F04D29/046 ,  F04D29/059 ,  F04D25/06 ,  F16C33/30 ,  F04D17/12

Abstract: A pressure nitrided stainless steel hybrid ball bearing having an inner ring, an outer ring, and rolling elements disposed therebetween. The pressure nitrided stainless steel hybrid bearing has one or more component(s) made from a pressure nitrided stainless steel material. The pressure nitrided stainless steel hybrid bearing used with a refrigerant lubrication for chiller applications leads to a very long useful life time.

公开(公告)号：US20160010691A1

公开(公告)日：2016-01-14

申请号：US14763213

申请日：2014-01-24

Applicant: TRANE INTERNATIONAL INC.

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

IPC: F16C33/62 ,  F04D29/046

CPC classification number: F16C33/62 ,  F04D17/122 ,  F04D25/0626 ,  F04D29/046 ,  F04D29/059 ,  F05D2240/54 ,  F05D2300/11 ,  F05D2300/228 ,  F05D2300/611 ,  F16C33/303

Abstract: A pressure nitrided stainless steel hybrid ball bearing having an inner ring, an outer ring, and rolling elements disposed therebetween. The pressure nitrided stainless steel hybrid bearing has one or more component(s) made from a pressure nitrided stainless steel material. The pressure nitrided stainless steel hybrid bearing used with a refrigerant lubrication for chiller applications leads to a very long useful life time.

Abstract translation: 一种压力氮化不锈钢复合球轴承，其具有内圈，外圈和设置在其间的滚动元件。 压力氮化不锈钢混合轴承具有由压力氮化不锈钢材料制成的一种或多种组分。 压缩氮化不锈钢混合轴承与冷冻机应用的制冷剂润滑一起使用导致非常长的使用寿命。