Electro-pneumatic converter with balanced flapper
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F15B-005/00
G05D-016/20
F15B-019/00
출원번호
US-0022683
(2014-09-19)
등록번호
US-10001145
(2018-06-19)
우선권정보
GB-1316657.4 (2013-09-19)
국제출원번호
PCT/GB2014/052855
(2014-09-19)
국제공개번호
WO2015/040414
(2015-03-26)
발명자
/ 주소
Saneecharaun, Tarik
Olley, Pete
Tompson, David Matthew
출원인 / 주소
Norgren Limited
대리인 / 주소
The Ollila Law Group LLC
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
A balance beam electro-pneumatic converter (100, 400) adapted to couple to a conduit with a fluid is provided. The balance beam electro-pneumatic converter (100, 400) includes a nozzle (184) adapted to fluidly couple to the conduit, and a flapper (130) rotatably coupled to the nozzle (184) via a piv
A balance beam electro-pneumatic converter (100, 400) adapted to couple to a conduit with a fluid is provided. The balance beam electro-pneumatic converter (100, 400) includes a nozzle (184) adapted to fluidly couple to the conduit, and a flapper (130) rotatably coupled to the nozzle (184) via a pivot (140) wherein the flapper (130) is adapted to regulate a pressure of the fluid and balance about the pivot (140).
대표청구항▼
1. A balance beam electro-pneumatic converter (100, 400) adapted to couple to a conduit with a fluid, comprising: a nozzle (184) adapted to fluidly couple to the conduit; anda flapper (130) rotatably coupled to the nozzle (184) via a pivot (140) wherein the flapper (130) is adapted to regulate a pre
1. A balance beam electro-pneumatic converter (100, 400) adapted to couple to a conduit with a fluid, comprising: a nozzle (184) adapted to fluidly couple to the conduit; anda flapper (130) rotatably coupled to the nozzle (184) via a pivot (140) wherein the flapper (130) is adapted to regulate a pressure of the fluid and balance about the pivot (140), wherein the flapper (130) can freely rotate about the pivot (140), and wherein the balance beam electro-pneumatic converter (100, 400) further comprises a coil (160) that is coupled to the flapper (130) so as to move with the flapper (130) and such that the coil (160) is disposed to surround the nozzle (184) and wherein the coil (160) is adapted to carry a current to move the flapper (130) to or from the nozzle (184). 2. The balance beam electro-pneumatic converter (100, 400) of claim 1 wherein the flapper (130) further comprises a first end that is proximate the nozzle (184), a second end on the other side of the pivot (140), and a counter weight (150) that is coupled to the second end of the flapper (130). 3. The balance beam electro-pneumatic converter (100, 400) of claim 2 wherein the counter weight (150) is adapted to be positioned to balance the flapper (130) about the pivot (140). 4. The balance beam electro-pneumatic converter (100, 400) of claim 1 wherein the pivot (140) comprises bearings (142a,b). 5. The balance beam electro-pneumatic converter (100, 400) of claim 1 wherein the flapper (130) further comprises a shim (410) adapted to uniformly press against the nozzle (184). 6. The balance beam electro-pneumatic converter (100, 400) of claim 1 further comprising a magnet assembly (170) adapted to magnetically couple to the current in the coil (160). 7. A method of forming a balance beam electro-pneumatic converter (100, 400) adapted to couple to a conduit carrying fluid, the method comprising: forming and adapting a nozzle (184) to fluidly couple to the conduit; andforming and rotatably coupling a flapper (130) to the nozzle (184) via a pivot (140) and adapting the flapper (130) to regulate a pressure of the fluid and balance about the pivot (140), wherein the flapper (130) can freely rotate about the pivot (140), and wherein the method further comprises forming and coupling a coil (160) to the flapper (130) so as to move with the flapper (130) and such that the coil (160) is disposed to surround the nozzle (184) and adapting the coil (160) to carry current to move the flapper (130) to and from the nozzle (184). 8. The method of forming the balance beam electro-pneumatic converter (100, 400) of claim 7, wherein forming the flapper (130) comprises forming a first end proximate the nozzle (184), a second end on the other side of the pivot (140), and coupling a counter weight (150) to the second end of the flapper (130). 9. The method of forming the balance beam electro-pneumatic converter (100, 400) of claim 8, wherein coupling the counter weight (150) to the second end of the flapper (130) comprises positioning the counter weight (150) to balance the flapper (130) about the pivot (140). 10. The method of forming the balance beam electro-pneumatic converter (100, 400) of claim 7, wherein forming the pivot (140) comprises forming bearings (142a,b). 11. The method of forming the balance beam electro-pneumatic converter (100, 400) of claim 7, wherein forming the flapper (130) further comprises forming a shim (410) adapted to uniformly press against the nozzle (184). 12. The method of forming the balance beam electro-pneumatic converter (100, 400) of claim 7 further comprises forming a magnet assembly (170) and adapting the magnet assembly (170) to magnetically couple to the current in the coil (160). 13. A method of operating a balance beam electro-pneumatic converter (100, 400) coupled to a conduit carrying a fluid, comprising: regulating a fluid pressure by applying a force to a flapper (130) pivoting about a pivot (140) when a nozzle (184) is applying the fluid pressure to the flapper (130); andbalancing the flapper (130) about the pivot (140) when the nozzle (184) is not applying the fluid pressure to the flapper (130), wherein the flapper (130) can freely rotate about the pivot (140), wherein the balance beam electro-pneumatic converter (100, 400) further comprises a coil (160) that is coupled to the flapper (130) so as to move with the flapper (130) and such that the coil (160) is disposed to surround the nozzle (184) and wherein the coil (160) is adapted to carry a current to move the flapper (130) to or from the nozzle (184). 14. The method of operating an electro-pneumatic converter (100, 400) of claim 13 further comprises balancing the flapper (130) with a counter weight (150) attached to the flapper (130). 15. The method of operating a balance beam electro-pneumatic converter (100, 400) of claim 13 further comprises regulating a pressure of the fluid by moving the flapper (130) to and from the nozzle (184) with only a signal to the electro-pneumatic converter (100, 400).
Prescott Robert C. (Marshfield MA) Simpson Donald C. (Norton MA) Sanford Philip H. (Walpole MA) Nudd Howard W. (Foxboro MA), Electropneumatic positioner.
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