Bearing with integrated oil delivery system

Patent metadata

Field	Value
Publication number	US-9874244-B2
Application number	US-201514621986-A
Country	US
Kind code	B2
Filing date	Feb 13, 2015
Priority date	Feb 13, 2015
Publication date	Jan 23, 2018
Grant date	Jan 23, 2018

Abstract

An oil delivery system is provided. The system may comprise a bearing housing comprising an oil delivery cavity. A bearing may be pressed against the bearing housing. The bearing may comprise an outer ring with a passage formed through the outer ring. A bearing is also provided. The bearing may include an outer ring, and a passage formed through the outer ring.

First claim

What is claimed is:

1. An oil delivery system, comprising:
a bearing housing comprising an oil delivery cavity;
a bearing comprising an outer ring contacting the bearing housing, the outer ring comprising at least one tab configured to align the outer ring with the bearing housing; and
a passage formed through the outer ring.

2. The oil delivery system of claim 1 , wherein the passage is aligned with the oil delivery cavity.

3. The oil delivery system of claim 1 , wherein the bearing housing has at least one groove and the bearing has at least one tab, wherein the tab fits into the groove aligning the passage and the oil delivery cavity.

4. The oil delivery system of claim 1 , wherein the passage further comprises an inlet formed in the outer ring.

5. The oil delivery system of claim 4 , wherein the passage further comprises a first passage formed into a spot face of the inlet and in the outer ring.

6. The oil delivery system of claim 5 , wherein the passage further comprises a nozzle passage formed through the first passage and in the outer ring.

7. The oil delivery system of claim 6 , wherein a portion of the outer ring is bored to create a surface defining an outlet of the nozzle passage.

8. The oil delivery system of claim 1 , wherein the oil delivery cavity comprises a buffer plenum.

9. The oil delivery system of claim 8 , wherein the buffer plenum comprises a cylindrical geometry.

10. A bearing, comprising:
an outer ring comprising a cylindrical body having an outer diameter and a sidewall adjacent the outer diameter, wherein the outer ring further comprises at least one tab configured to align the outer ring in response to installation; and
a passage formed through the outer ring, the passage extending from the outer diameter to the sidewall and directed away from the bearing.

11. The bearing of claim 10 , wherein the passage further comprises an inlet formed in the outer ring.

12. The bearing of claim 11 , wherein the passage further comprises a first passage formed into a spot face of the inlet and in the outer ring.

13. The bearing of claim 12 , wherein the passage further comprises a nozzle passage formed through the first passage and in the outer ring.

14. The bearing of claim 13 , wherein a portion of the outer ring is bored to create a surface defining an outlet of the nozzle passage.

15. A bearing outer ring, comprising:
a cylindrical body comprising an outer diameter, a sidewall adjacent the outer diameter, and at least one tab configured to align the cylindrical body in response to installation; and
a passage formed through the cylindrical body, the passage extending from the outer diameter to the sidewall.

16. The bearing outer ring of claim 15 , wherein the passage further comprises a nozzle passage formed in the cylindrical body.

17. The bearing outer ring of claim 16 , wherein a portion of the cylindrical body is bored to create a surface defining an outlet of the nozzle passage.

Assignees

• United Technologies Corp

Inventors

• Grillo Joseph
• Duffy Kevin
• Kovacik Ronnie K

Classifications

• F16C37/007

  of rolling bearings · CPC title

• F16C33/6681

  Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements · CPC title

• F16C33/586

  outside the space between the races, e.g. end faces or bore of inner ring · CPC title

• F16C33/1065

  Grooves on a bearing surface for distributing or collecting the liquid · CPC title

• F16C33/1045

  Details of supply of the liquid to the bearing · CPC title