Enhanced static-dynamic pressure transducer suitable for use in gas turbines and other compressor applications
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01L-013/02
G01L-019/00
G01L-009/00
G01L-015/00
G01L-019/06
출원번호
US-0133632
(2013-12-18)
등록번호
US-9341534
(2016-05-17)
발명자
/ 주소
Kurtz, Anthony D.
Kochman, Boaz
Hurst, Adam
Shang, Tonghuo
출원인 / 주소
Kulite Semiconductor Products, Inc.
대리인 / 주소
Troutman Sanders LLP
인용정보
피인용 횟수 :
0인용 특허 :
13
초록▼
This disclosure provides example methods, devices and systems associated with filter structures employed with sensors. In one embodiment, a method comprises receiving, at a first filter having a plurality of pores, a pressure, wherein the pressure includes a static pressure component and a dynamic p
This disclosure provides example methods, devices and systems associated with filter structures employed with sensors. In one embodiment, a method comprises receiving, at a first filter having a plurality of pores, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component; filtering, by the first filter, at least a portion of the dynamic pressure component of the pressure; outputting, from the first filter, a filtered pressure; and wherein the filtered pressure is used to determine the dynamic pressure component.
대표청구항▼
1. A method, comprising: receiving, at a first filter having a plurality of pores, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component;filtering, by the first filter, at least a portion of the dynamic pressure component of the pressure;outputting, f
1. A method, comprising: receiving, at a first filter having a plurality of pores, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component;filtering, by the first filter, at least a portion of the dynamic pressure component of the pressure;outputting, from the first filter, a filtered pressure; andwherein the filtered pressure is used to determine the dynamic pressure component. 2. The method of claim 1, further comprising: receiving, at a second filter, the filtered pressure; andfiltering, by the second filter, at least a portion of the dynamic pressure component of the filtered pressure. 3. The method of claim 2, wherein the second filter is a restricting tube. 4. The method of claim 1, further comprising: receiving, at a third filter, the filtered pressure; andfiltering, by the third filter, at least a portion of the dynamic pressure component of the filtered pressure. 5. The method of claim 4, wherein the third filter is a reference tube. 6. The method of claim 2, wherein a cross-sectional area of the first filter is greater than the cross-sectional area of the second filter. 7. The method of claim 1, further comprising: receiving, at a first surface of a first sensing element, the pressure;receiving, at a second surface of the first sensing element, the filtered pressure;measuring, by the first sensing element, a difference between the pressure and the filtered pressure, wherein the difference is associated with the dynamic pressure component of the pressure; andoutputting, from the first sensing element, a first pressure signal associated with the dynamic pressure component of the pressure. 8. The method of claim 7, further comprising: receiving, at a second sensing element, the pressure;measuring, by the second sensing element, the pressure; andoutputting, from the second sensing element, a second pressure signal associated with the pressure. 9. The method of claim 8, wherein the first pressure signal and the second pressure signal are used to determine the static pressure component of the pressure. 10. The method of claim 1, wherein each of the plurality of pores has an equivalent diameter. 11. The method of claim 1, wherein at least one of the plurality of pores has a different diameter. 12. A system, comprising: a filter sub-assembly, including: a housing disposed around and defining a chamber; anda first filter having a plurality of pores and disposed in the chamber, wherein the first filter is configured to: receive a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component;filter at least a portion of the dynamic pressure component of the pressure; andoutput a filtered pressure, wherein the filtered pressure is used to determine the dynamic pressure component. 13. The system of claim 12, wherein the filter sub-assembly further includes: a second filter disposed in the chamber, wherein the second filter is configured to: receive the filtered pressure; andfilter at least a portion of the dynamic pressure component of the filtered pressure. 14. The system of claim 13, further comprising: a plug disposed in the chamber; andwherein the second filter is a restricting tube and the restricting tube is disposed in the plug. 15. The system of claim 12, further comprising: a third filter operationally coupled to the filter sub-assembly, wherein the third filter is configured to: receive the filtered pressure; andfilter at least a portion of the dynamic pressure component of the filtered pressure. 16. The system of claim 15, wherein the third filter is a reference tube. 17. The system of claim 12, wherein each of the plurality of pores has an equivalent diameter. 18. The system of claim 12, wherein at least one of the plurality of pores has a different diameter. 19. The system of claim 12, further comprising: a first sensor having a first surface and a second surface and operationally coupled to the filter sub-assembly, wherein the first sensor is configured to: receive, at the first surface of the first sensor, the pressure;receive, at the second surface of the first sensor, the filtered pressure;measure, by the first sensor, a difference between the pressure and the filtered pressure, wherein the difference is associated with the dynamic pressure component of the pressure; andoutput a first pressure signal associated with the dynamic pressure component of the pressure. 20. The system of claim 12, further comprising: a second sensor, wherein the second sensor is configured to: receive the pressure;measure the pressure; andoutput a second pressure signal associated with the pressure.
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이 특허에 인용된 특허 (13)
Hurst, Adam; Ned, Alexander A.; VanDeWeert, Joseph R., Combination static and dynamic pressure transducer employing a micro-filter.
Kurtz,Anthony D.; Shang,Tonghuo; Kochman,Boaz, Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures.
Aubry Jacques A. (Cabries FRX) Mondet Jean J. (Vitrolles FRX), Resilient return strut of the elastic-hydraulic type with incorporated linear damping by throttling a high-viscosity flu.
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