IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0022924
(2011-02-08)
|
| 등록번호 |
US-8602063
(2013-12-10)
|
|
발명자
/ 주소 |
- Snider, Terrance R.
- Doughty, Kurt J.
|
| 출원인 / 주소 |
- Hamilton Sundstrand Corporation
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
0 인용 특허 :
38 |
초록
▼
A fluid system comprises a pressure vessel with a baffle oriented at a skew angle. The baffle divides the vessel into first and second volumes. A first port is provided to introduce a pressurizing fluid into the first volume, and a second port is provided to circulate a working fluid within the seco
A fluid system comprises a pressure vessel with a baffle oriented at a skew angle. The baffle divides the vessel into first and second volumes. A first port is provided to introduce a pressurizing fluid into the first volume, and a second port is provided to circulate a working fluid within the second volume. A purge aperture is provided to purge the pressurizing fluid from the second volume across the baffle into the first volume, and a flow aperture is provided to transfer the working fluid through the baffle between the first and second volumes.
대표청구항
▼
1. A fluid system comprising: a pressure vessel;a baffle dividing the pressure vessel into first and second volumes, wherein the baffle is oriented at a skew angle with respect to the pressure vessel;a first port for introducing a pressurizing fluid into the first volume;a second port for circulatin
1. A fluid system comprising: a pressure vessel;a baffle dividing the pressure vessel into first and second volumes, wherein the baffle is oriented at a skew angle with respect to the pressure vessel;a first port for introducing a pressurizing fluid into the first volume;a second port for circulating a working fluid within the second volume;a purge aperture for purging the pressurizing fluid from the second volume across the baffle into the first volume; anda flow aperture for transferring the working fluid through the baffle between the first and second volumes. 2. The system of claim 1, further comprising a flow sensor for measuring a flow rate of the working fluid through the flow aperture. 3. The system of claim 2, further comprising first and second level sensors for sensing a level of the working fluid in each of the first and second volumes. 4. The system of claim 1, wherein the baffle comprises a solid plate sealed to the pressure vessel to prevent flow between the first and second volumes, except at the flow aperture and the purge aperture. 5. The system of claim 4, wherein the skew angle is between about 15 degrees and about 75 degrees with respect to an axis of the pressure vessel. 6. The system of claim 5, wherein the skew angle is between about 30 degrees and about 60 degrees with respect to the axis of the pressure vessel. 7. The system of claim 6, wherein the baffle is attached to the pressure vessel at a lower point located below a minimum operating level of the working fluid. 8. The system of claim 1, wherein the first port is located in a top portion of the pressure vessel to introduce a pressurizing fluid comprising a gas into the first volume. 9. The system of claim 8, wherein the second port is located in a bottom portion of the pressure vessel to circulate a working fluid comprising a liquid within the second volume. 10. The system of claim 9, wherein the purge aperture is sized to allow flow of the gas while substantially limiting flow of the liquid. 11. The system of claim 10, wherein the purge aperture is located above the flow aperture toward the top portion of the pressure vessel, and wherein the flow aperture is located below the purge aperture toward the bottom portion of the pressure vessel. 12. A fluid accumulator comprising: a pressure vessel having a top portion, a bottom portion and an axis extending therebetween;a baffle plate oriented at a skew angle to the axis, wherein the baffle plate divides the pressure vessel into a first volume extending above the baffle plate to the top portion and a second volume extending below the baffle plate to the bottom portion;a gas port in the top portion for charging the pressure vessel;a liquid port in the bottom portion for circulating fluid through the pressure vessel;a purge aperture sized for gaseous flow across the baffle plate, from the second volume to the first volume; anda flow aperture sized for liquid flow across the baffle plate, from the first volume to the second volume. 13. The accumulator of claim 12, wherein the skew angle is between about 15 degrees and about 75 degrees. 14. The accumulator of claim 13, wherein the skew angle is between about 30 degrees and about 60 degrees. 15. The accumulator of claim 12, wherein the baffle plate is attached to the pressure vessel at a lower point located below a minimum operating level of the fluid. 16. The accumulator of claim 12, further comprising a flow sensor proximate the flow aperture for sensing a rate of the liquid flow across the baffle plate. 17. The accumulator of claim 16, further comprising a first level sensor in the first volume of the pressure vessel and a second level sensor in the second volume of the pressure vessel. 18. The accumulator of claim 12, further comprising a perforate element in the top portion of the pressure vessel, the perforate element comprising apertures sized to allow gaseous flow across the perforate element while limiting liquid flow across the perforate element. 19. An accumulator for a fluid system, the accumulator comprising: a pressure vessel having an axis;a baffle plate dividing the pressure vessel into first and second volumes, wherein the baffle plate is oriented at a skew angle with respect to the axis;a top port for introducing a pressurizing gas into the first volume;a bottom port for exchanging a working fluid with a process flow in the second volume;a purge aperture in the baffle plate, wherein the purge aperture is sized to purge the pressurizing gas from the working fluid in the second volume;a flow aperture in the baffle plate, wherein the flow aperture is sized to transfer the working fluid between the first and second volumes; anda flow sensor proximate the flow aperture for measuring a flow rate of the working fluid across the baffle plate. 20. The accumulator of claim 19, wherein the skew angle is between about 15 degrees and about 75 degrees. 21. The accumulator of claim 20, wherein the skew angle is between about 30 degrees and about 60 degrees. 22. The accumulator of claim 19, wherein the baffle plate is attached to the pressure vessel at a lower point located below a minimum operating level of the working fluid. 23. The accumulator of claim 22, wherein the purge aperture is located above the flow aperture toward the top port, and wherein the flow aperture is located below the purge aperture toward the bottom port. 24. The accumulator of claim 19, further comprising a first level sensor in the first volume of the pressure vessel and a second level sensor in the second volume of the pressure vessel. 25. The accumulator of claim 24, wherein the first and second level sensors are located in opposing positions across the axis to correct for a pitch angle of the pressure vessel.
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