Patent · US Expired

Lubricating device

US4097185A · kind A · utility

6Cited by
8References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 13, 1976
Grant dateJun 27, 1978
Priority date
Expiry dateSep 13, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S417/902
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A lubricating device, especially for use with a hermetic motor compressor unit, having a vertical shaft extending downwardly into a lubricant sump, and in the lower end of which shaft is a device having an inlet in the lower end and operable as the shaft rotates for propelling the lubricant upwardly along a hollow passage in the shaft and into a channel formed in the outside of the shaft and disposed within the axial limits of the bearing which supports the shaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.