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Fiber optic diaphragm sensors for engine knock and misfire detection 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01L-007/08
출원번호 US-0086245 (1993-07-01)
발명자 / 주소
  • Wlodarczyk Marek T. (6865 Vachon Dr. Bloomfield Hills MI 48301)
인용정보 피인용 횟수 : 48  인용 특허 : 0

초록

The modulation depth of a fiber optic diaphragm sensor is increased by tapering the tip end of the optical fiber or fiber bundle. In a second embodiment, the modulation depth is increased by mechanically leveraging the diaphragm movement relative to the tip end of the optical fiber or fiber bundle.

대표청구항

In a fiber optic diaphragm sensor comprising a body having a cavity approximately 3 mm across therein, a diaphragm attached to the body and partially enclosing the cavity, the diaphragm being moveable in response to changes in fluid pressure exerted upon the diaphragm, and an optical fiber inserted

이 특허를 인용한 특허 (48)

  1. McAlister, Roy Edward, Acoustically actuated flow valve assembly including a plurality of reed valves.
  2. McAlister, Roy E., Adaptive control system for fuel injectors and igniters.
  3. McAlister, Roy E., Ceramic insulator and methods of use and manufacture thereof.
  4. McAlister, Roy Edward, Chemical fuel conditioning and activation.
  5. Poorman Thomas J. (2705 Windwood Dr. Ann Arbor MI 48105) Wlodarczyk Marek T. (6865 Vachon Dr. Bloomfield Hills MI 48301), Compensation and status monitoring devices for fiber optic intensity-modulated sensors.
  6. Bargende, Michael, Device for monitoring the combustion processes occurring in the combustion chamber of an internal combustion engine.
  7. Boyd, Clark Davis, Distributed optical pressure and temperature sensors.
  8. Stoesz, Carl W.; Boyd, Clark Davis, Distributed optical pressure and temperature sensors.
  9. Wlodarczyk Marek (6865 Vachon Dr. Birmingham MI 48301), Fiber optic combustion pressure sensor with improved long-term reliability.
  10. Wlodarczyk Marek T. ; Kabala Jerzy A,PLX ; Mendak Andrzej,PLX, Fiber optic combustion pressure sensors for engine knock and misfire detection.
  11. Kluzner Michael, Fiber optic misfire, knock and LPP detector for internal combustion engines.
  12. Sakaguchi Tatsunori,JPX ; Watanabe Shizuhisa,JPX ; Sonobe Hisao,JPX ; Komachiya Masahiro,JPX, Fiber-optic cylinder pressure sensor.
  13. Lopushansky,Richard L.; Berthold,John W., Flame shield for high temperature pressure transducer.
  14. McAlister, Roy E., Fuel injector actuator assemblies and associated methods of use and manufacture.
  15. McAlister, Roy Edward, Fuel injector actuator assemblies and associated methods of use and manufacture.
  16. McAlister, Roy Edward, Fuel injector assemblies having acoustical force modifiers and associated methods of use and manufacture.
  17. McAlister, Roy Edward, Fuel injector assemblies having acoustical force modifiers and associated methods of use and manufacture.
  18. Wlodarczyk, Marek T.; Poorman, Thomas J., Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices.
  19. McAlister, Roy Edward, Injector-igniter with fuel characterization.
  20. McAlister, Roy Edward, Injector-igniter with fuel characterization.
  21. McAlister, Roy Edward, Injector-igniter with thermochemical regeneration.
  22. McAlister, Roy Edward, Injector-igniters with variable gap electrode.
  23. McAlister, Roy Edward; Larsen, Melvin James, Integrated fuel injector igniters configured to inject multiple fuels and/or coolants and associated methods of use and manufacture.
  24. McAlister, Roy E., Integrated fuel injector igniters having force generating assemblies for injecting and igniting fuel and associated methods of use and manufacture.
  25. McAlister, Roy E., Integrated fuel injector igniters having force generating assemblies for injecting and igniting fuel and associated methods of use and manufacture.
  26. McAlister, Roy E., Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture.
  27. McAlister, Roy E., Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture.
  28. McAlister, Roy E., Integrated fuel injector igniters with conductive cable assemblies.
  29. McAlister, Roy E., Integrated fuel injectors and igniters and associated methods of use and manufacture.
  30. McAlister, Roy E., Integrated fuel injectors and igniters and associated methods of use and manufacture.
  31. McAlister, Roy Edward, Method and apparatus for providing adaptive swirl injection and ignition.
  32. McAlister, Roy E., Method and system of thermochemical regeneration to provide oxygenated fuel, for example, with fuel-cooled fuel injectors.
  33. McAlister, Roy Edward; Larsen, Melvin James, Methods and systems for adaptively cooling combustion chambers in engines.
  34. McAlister, Roy Edward; Larsen, Melvin James; McAlister, legal representative, Roy Edward, Methods and systems for adaptively cooling combustion chambers in engines.
  35. McAlister, Roy E., Methods and systems for reducing the formation of oxides of nitrogen during combustion in engines.
  36. McAlister, Roy, Multifuel storage, metering and ignition system.
  37. Brinciotti, Andrea; Cibinetto, Lucio, Optical sensor for contactless pressure measurements.
  38. Komachiya Masahiro (Hitachi JPX) Oho Shigeru (Katsuta JPX) Shimada Satoshi (Hitachi JPX) Suzuki Seiko (Hitachiota JPX) Sasayama Takao (Hitachi JPX) Takahashi Minoru (Mito JPX) Kurita Masahiro (Katsut, Physical quantity detecting apparatus and internal combustion engine control apparatus each utilizing optical fiber.
  39. Coleman,Nate, Pressure sensing apparatus.
  40. Keller Jakob,CHX, Pressure-measuring device.
  41. Dongzhi Jin JP; Fumihiko Abe JP; Kengo Tanaka JP; Kazuhiko Matsuzaki JP; Masahiro Hasegawa JP; Kosuke Yamawaki JP, Sensor for detecting relative rotation between shafts.
  42. McAlister, Roy E., Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control.
  43. McAlister, Roy E., Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control.
  44. McAlister, Roy Edward, Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control.
  45. Lykowski James D. ; Ingham Robert S. ; Schuster Thomas R., Spark plug with concentric pressure sensor.
  46. Ingham Robert S., Spark plug with pressure sensor.
  47. McAlister, Roy Edward; Larsen, Melvin James, Systems and methods for improved engine cooling and energy generation.
  48. McAlister, Roy Edward; Larsen, Melvin James, Torque multiplier engines.
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