$\require{mediawiki-texvc}$
  • 검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
  • 검색연산자
검색연산자 기능 검색시 예
() 우선순위가 가장 높은 연산자 예1) (나노 (기계 | machine))
공백 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 예1) (나노 기계)
예2) 나노 장영실
| 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 예1) (줄기세포 | 면역)
예2) 줄기세포 | 장영실
! NOT 이후에 있는 검색어가 포함된 문서는 제외 예1) (황금 !백금)
예2) !image
* 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 예) semi*
"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

System and method for fluid regulation

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G05D-007/00   
미국특허분류(USC) 700/282; 137/487.5; 073/001.72
출원번호 US-0352428 (2006-02-10)
등록번호 US-7283894 (2007-10-16)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fish & Richardson P.C.
인용정보 피인용 횟수 : 9  인용 특허 : 62
초록

Systems and processes for fluid regulation may provide diagnostic information that is useful for evaluating the condition and/or needed repairs/maintenance for fluid regulation systems. In particular implementations, a system and process for fluid regulation may include the ability to receive a representation of an input signal to an electric-to-pressure converter for facilitating positioning of a fluid regulator component, the electric-to-pressure converter adapted to be part of a fluid regulation system including a fluid regulator and a fluid regulator...

대표
청구항

The invention claimed is: 1. A method for fluid regulation, the method comprising: receiving a representation of an input signal to an electric-to-pressure converter operable to facilitate positioning of a fluid regulator component, the electric-to-pressure converter adapted to be part of a fluid regulation system comprising a fluid regulator and a fluid regulator controller; determining at least one fluid regulation system condition based on the converter input signal, wherein determining at least one fluid regulation system condition comprises determi...

이 특허에 인용된 특허 (62)

  1. Meyer Robert G. (Berkeley CA). Active bypass for inhibiting high-frequency supply voltage variations in integrated circuits. USP1991095049764.
  2. Dickenson, Royston J.; Jaswa, Vijay C.. Adjustable gain controller for valve position control loop and method for reducing jitter. USP1985124556956.
  3. Jaegtnes Karl O. (Chester Heights PA). Apparatus and method for determining friction forces in position modulated valves. USP1977064029122.
  4. Bjornson, Carl C.. Apparatus and method for monitoring and maintaining plant equipment. USP2003016505145.
  5. Lyon Richard H. (Belmont MA) Chai Jangbom (Seoul KRX) Lang Jeffrey H. (Sudbury MA) Hagman Wayne H. (Belmont MA) Umans Stephen D. (Belmont MA) Saarela Olli J. (Helsinki FIX). Apparatus and method for non-invasive diagnosis and control of motor operated valve condition. USP1997015594175.
  6. Koga Tsuguaki (Hitachi JPX) Kuwashima Hidesumi (Hitachi JPX) Inoue Hidenori (Hitachi JPX) Hamaoka Hidetoshi (Hitachi JPX) Ohta Hiroshi (Hitachi JPX). Apparatus for making diagnosis of valve device in turbine system. USP1985064523286.
  7. Louie Lisa L. Y. (McLean VA) Fry David J. (North Potomac MD). Circumferential actuator for piping system. USP1996065526690.
  8. Seberger Stephen G. (Marshalltown IA) Grumstrup Bruce F. (Marshalltown IA) Gassman George W. (Marshalltown IA). Communication system and method. USP1997115684451.
  9. Snowbarger, Jimmie L.; Ali, Riyaz M.; Flanders, Patrick S.. Control device test system with a remote switch activation. USP2005036862547.
  10. Junk, Kenneth W.. Detection and discrimination of instabilities in process control loops. USP2004106804618.
  11. Junk,Kenneth W.. Detection and discrimination of instabilities in process control loops. USP2006057039537.
  12. Grumstrup Bruce F. (Marshalltown IA) Johnson Bruce A. (Marshalltown IA) Snowbarger Jimmie L. (Marshalltown IA). Device data acquisition. USP1997115687098.
  13. Fitzgerald William V. (McKinney TX). Diagnostic apparatus and method for fluid control valves. USP1992055109692.
  14. Fitzgerald William V. (McKinney TX). Diagnostic apparatus and method for fluid control valves. USP1990124976144.
  15. Fitzgerald William V. (McKinney TX). Diagnostic apparatus and method for fluid control valves. USP1993035197328.
  16. Adams Paul R. ; Gabel Karl J. ; Roper Daniel G.. Diagnostic device and method for pressure regulator. USP2000036035878.
  17. Kautz Thomas O. (Waukesha WI) Duenkel Gerald A. (Milwaukee WI). Electronically controlled positioner for pneumatic actuators. USP1984114481451.
  18. Boatman Joey F. ; Reichel Bryan S.. Environment monitoring system. USP1999045892690.
  19. Orbach Abraham ; Schubert William L. ; Seymour Steven W. ; Carr Donald D.. Gain adaptation control for hydraulic systems. USP2000016016875.
  20. Smith Brian. Inner-loop valve spool positioning control apparatus. USP1999035884894.
  21. Abdel-Malek Aiman A. (Schenectady NY) Hershey John E. (Ballston Lake NY) Hassan Amer A. (Cary NC). Instrument for detecting potential future failures of valves in critical control systems. USP1997045616824.
  22. Allen Mark G. (Boston MA) Butler Charles T. (Reston VA) Johnson Stephen A. (Andover MA) Lo Edmund Y. (Westford MA) Russo Farla M. (Brookline MA). Integrated imaging sensor/neural network controller for combustion systems. USP1993105249954.
  23. Haines Lawrence A. (Mapleton UT) Messano Edward A. (Provo UT) Beatty Kenneth L. (Spanish Fork UT) Gooch Robert E. (Provo UT) Glenn Alan H. (Salem UT) O\Hara Dennis E. (Mapleton UT). Integrated process control valve. USP1993105251148.
  24. Hansen Peter Daniel ; Goksel Bulent. Intelligent valve positioner tuning. USP2000126155283.
  25. Burns Harry A. ; Larson Brent H. ; Brown Larry K.. Local device and process diagnostics in a process control network having distributed control functions. USP1999105970430.
  26. Smith Christopher P. (Acworth GA) Anderson Paul G. (Acworth GA). Method and apparatus for measuring the axial load and position of a valve stem. USP1995115469737.
  27. Branam Timothy R. (Manitowoc WI) Roberts Jeffrey J. (Michicot WI) Schoenberger Jack O. (Two Rivers WI). Method and apparatus for monitoring and measuring dynamic loads in thrust inducing systems. USP1989084856327.
  28. Junk, Kenneth W.; Latwesen, Annette L.. Method and apparatus for performing diagnostics in a control loop of a control valve. USP2004016678584.
  29. Junk, Kenneth W.; Latwesen, Annette L.. Method and apparatus for performing diagnostics in a control loop of a control valve. USP2005106954683.
  30. Charbonneau Arthur G. (Marietta GA) Hale Stanley N. (Rome GA) Sayed Edmond A. (Marietta GA). Method and apparatus for remote monitoring of valves and valve operators. USP1989054831873.
  31. Pyotsia Jouni,FIX ; Ylikoski Esko,FIX. Method and equipment for determining the performance of control valve. USP1999115992229.
  32. Stahl Douglas C.. Method and system for real-time control of analytical and diagnostic instruments. USP2000046049764.
  33. Dudek Kenneth P. (Rochester Hills MI) Davis Ronald A. (Milford MI). Method for estimating and correcting bias errors in a software air meter. USP1991125070846.
  34. Cobb Harold R. W. (P.O. Box 078811 West Palm Beach FL 33407). Method for monitoring, recording, and evaluating valve operating trends. USP1990014896101.
  35. Grumstrup Bruce F. ; Junk Kenneth W. ; Snowbarger Jimmie L. ; Taylor ; Jr. Eugene R.. Method of and apparatus for deterministically obtaining measurements. USP2001026192321.
  36. Snowbarger Jimmie L. ; Taylor ; Jr. Eugene R. ; Grumstrup Bruce F. ; Junk Kenneth W.. Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter. USP1999105966679.
  37. La Coste Bernard L. (Wilmington DE). Method of diagnostic valve testing. USP1981064274438.
  38. Scarola Kenneth ; Jamison David S. ; Manazir Richard M. ; Rescorl Robert L. ; Harmon Daryl L.. Method of validating measurement data of a process parameter from a plurality of individual sensor inputs. USP1998025715178.
  39. Lange Rainer,DEX. Microprocessor-controlled position regulator. USP1999035878765.
  40. Charbonneau, Arthur G.; Godfrey, Dwaine A.; McNennamy, John A.; Nafziger, Steven. Motor operated valve analysis and testing system. USP1985094542649.
  41. McNennamy John A. (Cobb GA) Nafziger Steven (Gwinnett GA). Motor operated valve analysis and testing system. USP1987094690003.
  42. McNennamy John A. (Cobb GA) Nafziger Steven (Gwinnett GA) Charbonneau Arthur G. (Marietta GA) Godfrey Dwaine A. (Fulton GA). Motor operated valve analysis and testing system. USP1987094693113.
  43. Charbonneau Arthur G. (Marietta GA) McMennamy John A. (Marietta GA) Nafziger Steven (Gwinnett GA). Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post. USP1989084860596.
  44. Fujiwara Masatoshi (Yokoshuka JPX) Kuroda Masato (Fujisawa JPX) Shiga Tatsuhide (Zushi JPX). Multicontrol process control system. USP1987124712173.
  45. Samad Tariq. Nonlinear-approximator-based automatic tuner. USP1998125847952.
  46. Arcella Frank G. (Bethel Park Borough PA) Bednar Fred H. (Shaler Township ; Allegheny County PA) Schreurs Jan J. (Murrysville PA) Forker James M. (Murrysville PA). Online valve diagnostic monitoring system. USP1994075329465.
  47. Huggett Colin E. (Torrance CA) Cleek John I. (Torrance CA). Position control for hybrid servomechanisms. USP1996085543696.
  48. Gassman George W. (Marshalltown IA) Varnum Gerald F. (Marshalltown IA). Positioner having user-adjustable dynamic response. USP1985044509403.
  49. Brown Gregory C. (Minnetonka MN). Smart valve positioner. USP1995075431182.
  50. Sullivan Alan D. (Atlanta GA). Solenoid operated valve diagnostic system. USP1996065524484.
  51. Annette L. Latwesen ; Kenneth W. Junk. Statistical determination of estimates of process control loop parameters. USP2002106466893.
  52. Good Stanley R. (Marshalltown IA) Gaarder Barry L. (Marshalltown IA). Supply biased pneumatic pressure relay. USP1996075533544.
  53. Snowbarger,Jimmie L.; Ali,Riyaz M.. System to manually initiate an emergency shutdown test and collect diagnostic data in a process control environment. USP2006077079021.
  54. Hayes John (Port Clinton OH). Valve diagnostic apparatus and method. USP1993125272647.
  55. McDonald Francis X. (Enfield CT) Siegel Edward A. (West Hartford CT). Valve diagnostic environmental data acquisitioner. USP1995065425270.
  56. Mayhew John (Salem VA) Puckett Dwayne M. (Roanoke VA). Valve position controller. USP1997085654885.
  57. Boger Henry ; Colwell Christopher ; Levesque Peter ; Schoonover Larry ; Villier Raymond,FRX ; Vital Denis,FRX ; Zhou Chunhe ; Stares James. Valve positioner system. USP2001086272401.
  58. Boger, Henry; Colwell, Christopher; Levesque, Peter; Schoonover, Larry; Villier, Raymond; Vital, Denis; Zhou, Chunhe; Stares, James. Valve positioner system. USP2004066745084.
  59. Henry Boger ; Christopher Colwell ; Peter Levesque ; Larry Schoonover ; Raymond Villier FR; Denis Vital FR; Chunhe Zhou ; James Stares. Valve positioner system. USP2002096453261.
  60. Lenz Gary A. (Eden Prairie MN) Brown Gregory C. (Minnetonka MN) Warrior Jogesh (Chanhassen MN). Valve positioner with pressure feedback, dynamic correction and diagnostics. USP1996085549137.
  61. Lenz Gary A. (Eden Prairie MN) Brown Gregory C. (Minnetonka MN) Warrior Jogesh (Chanhassen MN). Valve positioner with pressure feedback, dynamic correction and diagnostics. USP1996115573032.
  62. Poore Bernard B. (Waterloo IA). Vehicular single shaft gas turbine engine power system. USP1981044263997.