Patent · US Active

Motor and bearing cooling paths

US11976664B2 · kind B2 · utility

0Cited by

4References

7Claims

0Family size

Assignee

Hamilton Sundstrand Corporation (HSC) · US

Inventors

Brent J. Merritt · Southwick, US
Craig M. Beers · Wethersfield, US
John M. Beck · Windsor, US

Key dates

Filing date	Aug 2, 2019
Grant date	May 7, 2024
Priority date	—
Expiry date	Jul 11, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2240/61
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A compressor includes a rotor configured to compress air and driven by a shaft. A motor is drives the shaft. A thrust bearing facilitates rotation of the shaft. The thrust bearing includes a thrust shaft and a thrust plate. The thrust shaft includes first and second orifices. A bearing cooling air inlet is in fluid communication with the first and second orifices.

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