IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0044792
(2005-01-27)
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발명자
/ 주소 |
- Light,Kevin M.
- Luneburg,Bern
- Ross,Christopher W.
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출원인 / 주소 |
- Siemens Power Generation, Inc.
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인용정보 |
피인용 횟수 :
6 인용 특허 :
21 |
초록
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An oil lift pocket for a bearing surface having a plurality of channels in communication with a supply port. The plurality of channels may be formed in a substantially bow shaped configuration. Each channel may extend from a supply port and terminate at an end and away from the supply port. The oil
An oil lift pocket for a bearing surface having a plurality of channels in communication with a supply port. The plurality of channels may be formed in a substantially bow shaped configuration. Each channel may extend from a supply port and terminate at an end and away from the supply port. The oil lift pocket greatly reduces friction in slow turning operations and reduces babbitt delamination, dead zones, and nonuniform support and lift as well.
대표청구항
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We claim: 1. An oil lift pocket for a bearing assembly, comprising: a bearing surface; a supply port extending through the bearing surface; a first channel extending from the supply port and having a bend between a first end of the first channel and a second end of the first channel, wherein the se
We claim: 1. An oil lift pocket for a bearing assembly, comprising: a bearing surface; a supply port extending through the bearing surface; a first channel extending from the supply port and having a bend between a first end of the first channel and a second end of the first channel, wherein the second end of the first channel is in communication with the supply port; a second channel extending from the supply port and having a bend between a first end of the second channel and a second end of the second channel such that the first end of the second channel terminates proximate to the first end of the first channel, wherein the second end of the second channel is in communication with the supply port; a third channel extending from the supply port and having a bend between a first end of the third channel and a second end of the third channel, wherein the second end of the third channel is in communication with the supply port; and a fourth channel extending from the supply port and having a bend between a first end of the fourth channel and a second end of the fourth channel such that the first end of the fourth channel terminates proximate to the first end of the third channel, wherein the second end of the fourth channel is in communication with the supply port. 2. The oil lift pocket of claim 1, wherein the second channel extends from the supply port in a generally opposite direction from the third channel. 3. The oil lift pocket of claim 2, wherein the first channel extends from the supply port in a generally opposite direction from the fourth channel. 4. The oil lift pocket of claim 1, wherein the first channel, the second channel, the third channel, and the fourth channel extend from the supply port at locations on the supply port that are generally equidistant from each other. 5. The oil lift pocket of claim 1, wherein the bend in the first channel forms a first section proximate the first end at a first angle relative to a longitudinal axis and the bend in the second channel forms a second section proximate the second end of the second channel at the first angle relative to the longitudinal axis. 6. The oil lift pocket of claim 5, wherein the bend in the second channel forms a first section proximate the first end at a second angle relative to the longitudinal axis and the bend in the first channel forms a second section proximate the second end of the first channel at the second angle relative to the longitudinal axis. 7. The oil lift pocket of claim 6, wherein the bend in the third channel forms a first section proximate the first end at a third angle relative to the longitudinal axis and the bend in the fourth channel forms a second section proximate the second end of the fourth channel at the third angle relative to the longitudinal axis. 8. The oil lift pocket of claim 7, wherein the bend in the fourth channel forms a first section proximate the first end at a fourth angle relative to the longitudinal axis and the bend in the third channel forms a second section proximate the second end of the first channel at the fourth angle relative to the longitudinal axis. 9. The oil lift pocket of claim 8, wherein the first angle, the second angle, the third angle, and the fourth angle are substantially equal. 10. The oil lift pocket of claim 1, further comprising a counterbore at the supply port. 11. An oil lift pocket for a bearing assembly, comprising: a cylindrical bearing surface; a supply port extending through the cylindrical bearing surface for supplying oil to the oil lift pocket at between about 1,800 pounds per square inch and about 2,200 pounds per square inch at a flow rate of between about one gallon per minute and about four gallons per minute; a first channel extending from the supply port and having a bend between a first end of the first channel and a second end of the first channel, wherein the second end of the first channel is in communication with the supply port; a second channel extending from the supply port and having a bend between a first end of the second channel and a second end of the second channel such that the first end of the second channel terminates proximate to the first end of the first channel, wherein the second end of the second channel is in communication with the supply port; a third channel extending from the supply port and having a bend between a first end of the third channel and a second end of the third channel, wherein the second end of the third channel is in communication with the supply port; and a fourth channel extending from the supply port and having a bend between a first end of the fourth channel and a second end of the fourth channel such that the first end of the fourth channel terminates proximate to the first end of the third channel, wherein the second end of the fourth channel is in communication with the supply port. 12. The oil lift pocket of claim 11, wherein the first channel, the second channel, the third channel, and the fourth channel extend from the supply port at locations on the supply port that are generally equidistant from each other. 13. The oil lift pocket of claim 11, wherein the bend in the first channel forms a first section proximate the first end at a first angle relative to a longitudinal axis and the bend in the second channel forms a second section proximate the second end of the second channel at the first angle relative to the longitudinal axis. 14. The oil lift pocket of claim 13, wherein the bend in the second channel forms a first section proximate the first end at a second angle relative to the longitudinal axis and the bend in the first channel forms a second section proximate the second end of the first channel at the second angle relative to the longitudinal axis. 15. The oil lift pocket of claim 14, wherein the bend in the third channel forms a first section proximate the first end at a third angle relative to the longitudinal axis and the bend in the fourth channel forms a second section proximate the second end of the fourth channel at the third angle relative to the longitudinal axis. 16. The oil lift pocket of claim 15, wherein the bend in the fourth channel forms a first section proximate the first end at a fourth angle relative to the longitudinal axis and the bend in the third channel forms a second section proximate the second end of the first channel at the fourth angle relative to the longitudinal axis. 17. The oil lift pocket of claim 16, wherein the first angle, the second angle, the third angle, and the fourth angle are substantially equal. 18. The oil lift pocket of claim 11, further comprising a counterbore at the supply port.
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