Invention Grant
- Patent Title: Compressor bearing housing drain
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Application No.: US15746549Application Date: 2016-07-21
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Publication No.: US10851787B2Publication Date: 2020-12-01
- Inventor: Eric S. Mlsna , Scott J. Smerud , Daniel R. Crum , Scott M. Branch
- Applicant: TRANE INTERNATIONAL INC.
- Applicant Address: US NC Davidson
- Assignee: TRANE INTERNATIONAL INC.
- Current Assignee: TRANE INTERNATIONAL INC.
- Current Assignee Address: US NC Davidson
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- International Application: PCT/US2016/043331 WO 20160721
- International Announcement: WO2017/015456 WO 20170126
- Main IPC: F04C29/02
- IPC: F04C29/02 ; F04C23/00 ; F01C21/04 ; F04C18/02 ; F25B31/00 ; F01C21/02 ; F25B1/10 ; F25B31/02

Abstract:
A bearing housing drain in a scroll compressor and method for controlling lubrication of a thrust bearing in the scroll compressor are disclosed. The compressor includes a compressor housing; a non-orbiting scroll member and an orbiting scroll member; an orbiting scroll hub having an upper end and a lower end, the lower end being disposed at a vertical elevation that is lower than the upper end; a thrust bearing; a lubricant sump; a housing drain cavity disposed within the compressor housing and configured to receive lubricant from the lubricant sump and to deliver the lubricant to the thrust bearing; and a bearing housing drain fluidly connected to the housing drain cavity and the lubricant sump.
Public/Granted literature
- US20180223852A1 COMPRESSOR BEARING HOUSING DRAIN Public/Granted day:2018-08-09
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