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[미국특허] Solenoid closure detection 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01H-047/32
출원번호 US-0361629 (1989-06-02)
발명자 / 주소
  • Kopec James W. (St. Charles IL) Herbert Philip (Downers Grove IL)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 43  인용 특허 : 0

초록

A method and apparatus for electronically detecting when a solenoid has closed, or nearly closed, indirectly senses changes in the inductance of the solenoid\s coil as the solenoid closes. When the inductance has changed by a selected amount, the solenoid is assumed to have closed, or nearly closed,

대표청구항

A method for seating a moveable armature of a solenoid that includes a coil, comprising: a) establishing current in the coil so as to initiate movement of the armature; b) indirectly and repeatedly sensing changes in the inductance of the coil as the armature moves towards a seated position; and, c)

이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

  1. Seemann Hans (Villach ATX) Ortner Hans (Villach ATX) Pressler Walter (Villach ATX), Bistable solenoid valve.
  2. Stoll Kurt,DEX ; Suchy Walter,DEX, Circuit device.
  3. Archer Michael Anthony,GBX, Control circuit for an electromagnetic device for controlling an electromagnetic fuel control valve.
  4. Hoffmann Christian,DEX ; Wimmer Richard,DEX ; Koch Achim,DEX, Control device for an internal combustion engine.
  5. Dunk Michael P. ; McCormick Garrett P. ; Baranowski John F., Control method and device for a switchgear actuator.
  6. Perotti, Jose M.; Lucena, Angel; Ihlefeld, Curtis; Burns, Bradley; Bassignani, Karin E., Current signature sensor.
  7. Innes Mark E. ; Blakely John H., Detection of contact position from coil current in electromagnetic switches having AC or DC operated coils.
  8. Nair, Suraj; Stewart, Doyle Kent, Detection of valve open time for solenoid operated fuel injectors.
  9. Santero,Paolo, Device for control of electro-actuators with detection of the instant of end of actuation, and method for detection of the instant of end of actuation of an electro-actuator.
  10. Ueda Yoshiaki,JPX, Driving method and driving apparatus of a solenoid and solenoid driving control apparatus.
  11. Barbour Erskine, Dual mode power supply and under voltage trip device.
  12. Baranowski, John Francis; Jochum, Debra Jennifer; Knotek, Charles John; Mankowski, Aleksander; Dunk, Michael Peter, Electrical switchgear with synchronous control system and actuator.
  13. Dunk Michael Peter ; Baranowski John Francis, Electrical switchgear with synchronous control system and actuator.
  14. Bartsch Knut (Ebersberg DEX), Electronic control circuit for an internal combustion engine.
  15. Miyake, Takao; Toyohara, Masahiro; Mayuzumi, Takuya; Ishikawa, Tohru; Oura, Ryoichi, Fuel injection control apparatus.
  16. Maeda Susumu,JPX, Fuel injection valve controller apparatus.
  17. Maeda Susumu,JPX ; Yokayama Kazuya,JPX, Fuel injection valve controller apparatus.
  18. Puckett,Daniel R.; Love,W. John, Fuel injector control system.
  19. Lucano, Massimo; Botto, Gianluca; Chiaberge, Marcello; Degiuseppe, Mirko, Hysteresis-type electronic controlling device for fuel injectors and associated method.
  20. Meyer,William D.; Westman,Bjorn S.; Wilhem,Dan D.; Dudek,Richard J., Inductive load driver circuit and system.
  21. Daniels, David G.; Alhoussami, Aiman; Fowler, Tom L., Inrush current control method using a dual current limit power switch.
  22. Fischer Werner,DEX ; Schoenfelder Dietbert,DEX ; Kahr Viktor,ITX ; De Giorgi Davide,DEX ; Barbehoen Kai-Lars,DEX ; Ressel Hartmut,DEX, Method and apparatus for controlling an electromagnetic switching member.
  23. Glavmo Magnus,SEX ; Larsson Magnus,SEX ; Neidenstrom Bo,SEX ; Melin Sven-Anders,SEX, Method and apparatus for controlling and detecting the position of a solenoid-operated valve element.
  24. Beck, Stefan; Ebel, Martin; Poeppel, Josef, Method and circuit arrangement for reducing noise produced by electromagnetically actuated devices.
  25. Franzke Klaus (Leonberg DEX) Keller Stefan (Eberdingen DEX), Method and device for controlling an electromagnetic load.
  26. Kirschner Michael,DEX ; Henke Torsten,DEX, Method and device for driving an electromagnetic consumer.
  27. Marceca, Paolo; Poggio, Luca; Cagnoni, Michele; Carbonaro, Piero; Nepote, Andrea, Method and device for driving an injector in an internal combustion engine.
  28. Dietl,Roland; Rabl,Hans Peter, Method for controlling an injection valve of an internal combustion engine.
  29. Tennies Charles J. (Waukesha WI) Hastings Jerome K. (Sussex WI) Hastings Matthew E. (Sussex WI), Method of monitoring a contactor.
  30. Forck Glen F. ; Shah Umesh, Method of operating a fuel injector.
  31. David J. Glidden ; Daniel D. Moore ; Gary P. Whelan, Modulated voltage for a solenoid valve.
  32. David B. Mohler, Power saving circuit for solenoid driver.
  33. Lutz Danne,DEX ; Thies Holger,DEX, Process and apparatus for drop-off recognition in a magnetically operated device.
  34. Ganev, Evgeni; Warr, William H., Sensing armature motion in high-speed solenoids.
  35. Rober,Stephen, Solenoid actuator motion detection.
  36. Seale, Joseph B.; Bergstrom, Gary E., Solenoid cassette pump with servo controlled volume detection.
  37. Moraghan Paul ; Hunninghaus Roy E., Solenoid driver and method for determining solenoid operational status.
  38. Antone James A. ; Gihring Kenneth D. ; Davis Errol W., Solenoid injector driver circuit.
  39. Allcorn Roger,GBX, Switch status sensor.
  40. Schustek Siegfried,DEX ; Ackermann Manfred,DEX ; Kirsten Gerd,DEX, Switching device for solenoid switch.
  41. Seale Joseph B. ; Bergstrom Gary E., System and method for servo control of nonlinear electromagnetic actuators.
  42. Akers Stuart R. ; Barbour Erskine, Trip device for an electric powered trip unit.
  43. Barbour Erskine, Trip device for an electric powered trip unit.

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