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특허 상세정보

Aircraft hydraulic pump control system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F04B-049/06   
미국특허분류(USC) 417/044.1 ; 417/044.2 ; 417/043 ; 417/053 ; 417/212 ; 60/449 ; 60/911
출원번호 US-0977927 (1997-11-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Gardner
인용정보 피인용 횟수 : 38  인용 특허 : 15
초록

A control system for an aircraft's electrically driven hydraulic pump. An electronic motor controller having closed loop feedback is utilized to directly control the prime mover speed in response to pump loading.

대표
청구항

[ What is claimed is:] [2.] A method for operating a hydraulic supply system of an aircraft including a variable displacement swash pump having a swash plate, said variable displacement swash pump driven by a variable speed electric motor, comprising the steps of:operating said variable speed electric motor at high speed with said swash plate at full displacement when said hydraulic supply system requires a high fluid flow for maintaining system pressure;reducing said variable speed electric motor speed and said swash plate at reduced displacement when s...

이 특허에 인용된 특허 (15)

  1. Izumi Eiki (Ibaraki JPX) Watanabe Hiroshi (Ibaraki JPX) Aoyagi Yukio (Ibaraki JPX) Honma Kazuo (Ibaraki JPX) Nakajima Kichio (Ibaraki JPX). Circuit pressure control system for hydrostatic power transmission. USP1985044510750.
  2. Creffield David F. (Grass Lake MI). Control system for variable displacement pumps and motors. USP1984104474104.
  3. Clay C. William (Federal Way WA) Robinson Curtiss W. (Seattle WA 4). Electric integrated actuator with variable gain hydraulic output. USP1987054667472.
  4. Niemiec Albin J. (Sterling Heights MI). Electric motor driven inline hydraulic apparatus. USP1993015181837.
  5. Cornell ; Charles R.. Hydraulic controller. USP1978054091617.
  6. Dyvig Daniel E. (Kelley IA). Hydrostatic test stand. USP1992045103671.
  7. Mitchell Randall M. (Washington IL) Armstrong ; Jr. John T. (Chillicothe IL). Hydrostatic vehicle control. USP1985064523892.
  8. Backe Bengt S. (Dundee IL) Durham La Moyne W. (Bartlet IL). Method and apparatus for controlling hydraulic systems. USP1988124790233.
  9. Murota Isao (Tokyo JPX) Moriya Naoyuki (Tokyo JPX) Nakai Kazuhito (Tokyo JPX). Method for controlling engine for driving hydraulic pump to operate hydraulic actuator for construction equipment. USP1994025286171.
  10. Hamey, Peter M.; Ineson, John. Open-loop hydraulic supply system. USP1994065320499.
  11. Bloomquist James V. (Bloomfield Hills MI) Niemic Albin J. (Sterling Heights MI). Power transmission. USP1992085141402.
  12. Jackovich Melvin Claude (Stillman Valley IL). Programmable electronic tracking control for vehicles with hydrostatic transmissions. USP1977054023637.
  13. Rhoads Benjamin J. (Dallas TX). Rod pump optimization system. USP1989084854164.
  14. Miki Kenichi (Settsu JPX) Kotake Yoichiro (Settsu JPX). Variable displacement piston machine. USP1990044918918.
  15. Chichester Willard L. (Battle Creek MI) Trusock George J. (Battle Creek MI). Vehicle hydraulic system with pump speed control. USP1984124485623.

이 특허를 인용한 특허 피인용횟수: 38

  1. Yokomizo,Kenji. Apparatus and method of securing a workpiece during high-pressure processing. USP2007097270137.
  2. Shirao, Atsushi; Ikari, Masanori. Construction vehicle. USP2013028386136.
  3. Jones,William Dale. Control of fluid flow in the processing of an object with a fluid. USP2007017163380.
  4. Heichel, Christian; Kleibl, Albrecht. Device having a hydraulic drive for civil engineering. USP2016079399850.
  5. Kleckler, Joel W.. Dual-pump supply system with bypass-controlled flow regulator. USP2013128596993.
  6. Smith, David P.. Electro-hydraulic pump control system. USP2004026684636.
  7. Egelja, Aleksandar M.; Sorokine, Mikhail A.; Srikrishnan, Rangamani. Electro-hydraulic pump displacement control with proportional force feedback. USP2005046883313.
  8. Devan, Stephen Marshall; Galloway, Phillip W.; Williams, Kevin Stuart. Electronic control for a rotary fluid device. USP20181010100827.
  9. Sheydayi,Alexei; Sutton,Thomas. Gate valve for plus-atmospheric pressure semiconductor process vessels. USP2009027494107.
  10. Jones, William D.. High pressure fourier transform infrared cell. USP2010087767145.
  11. Biberger,Maximilian A.; Layman,Frederick Paul; Sutton,Thomas Robert. High pressure processing chamber for semiconductor substrate. USP2007087255772.
  12. Jones,William Dale. High-pressure processing chamber for a semiconductor wafer. USP2007067225820.
  13. Krajnik, Andrew J.; Sullivan, Jr., Patrick W.. Hydraulic control system having flow force compensation. USP2013088511080.
  14. Krajnik, Andrew J.; Sullivan, Jr., Patrick W.. Hydraulic control system utilizing feed-forward control. USP2013098522543.
  15. Du,Hongliu. Hydraulic system health indicator. USP2007047204138.
  16. Du,Hongliu. Hydraulic system health indicator. USP2006057043975.
  17. Sakai, Toshiyuki; Kawata, Kenichi. Hydraulic unit and construction machine including the same. USP2012038136271.
  18. Bayliss, Andrew J.; Paterson, John T.; Retz, Kevin. Independent power generation in aircraft. USP2015028950703.
  19. Bayliss, Andrew J.; Paterson, John T.; Retz, Kevin. Independent power generation in aircraft. USP2014028657227.
  20. Du, Hongliu. Method and apparatus for controlling a hydraulic motor. USP2005026848254.
  21. Du, Hongliu. Method and apparatus for controlling a variable displacement hydraulic pump. USP2003096623247.
  22. Hongliu Du ; Noah D. Manring. Method and apparatus for controlling pump discharge pressure of a variable displacement hydraulic pump. USP2002046375433.
  23. Goshi,Gentaro. Method and apparatus for cooling motor bearings of a high pressure pump. USP2007037186093.
  24. Staalesen,Haakon A.. Method and system for controlling power generator having hydraulic motor drive. USP2009027485979.
  25. Bihel, Jean-Romain. Method of determining the static force developed by a servo-control. USP2015089115735.
  26. Keith D. Waldo. Oil free dry screw compressor including variable speed drive. USP2002116474950.
  27. Olsen, Odd A.; Skaar, Erling A.. Power generator system. USP2012108288880.
  28. Crabtree, Ryan W.; Fieber, David J; Piller, Brian D; Trinkner, Chad M.. Pressure control system and method. USP2014088801393.
  29. Muratsubaki Ryoji,JPX ; Nagata Yukiaki,JPX ; Honokidani Osamu,JPX ; Kanemitsu Masanori,JPX ; Takimae Masanori,JPX ; Yamagishi Shinko,JPX ; Urasawa Tadashi,JPX ; Sugimori Tadashi,JPX. Pressure hydraulic pump having first and second synchronously driven reciprocating pistons with a pressure control structure. USP2000056068448.
  30. Wuester,Christopher D.. Process flow thermocouple. USP2008067380984.
  31. White, Jeffrey J.; Toy, David K.; Groat, J. Everett. Systems and methods for controlling aircraft electrical power. USP2012048155876.
  32. Jacobson,Gunilla; Yellowaga,Deborah. Treatment of a dielectric layer using supercritical CO. USP2008067387868.
  33. Runkle, Mark Andrew. Use of wattmeter to determine hydraulic fluid parameters. USP2014088812264.
  34. Runkle, Mark Andrew. Use of wattmeter to obtain diagnostics of hydraulic system during transient-state start-up operation. USP2015079091262.
  35. Bolt, David; Spence, Dale; Ewing, Dale; Hassell, David Jonathan; Layne, John; Dalziel, Lindsay Bruce. Vapor recovery pump regulation of pressure to maintain air to liquid ratio. USP2014078770237.
  36. Bishop, Michael B.; Pili, Roger R.; Knuth, Bruce E.; Barani, Moe K.; Flanary, Ron; Mentink, Laurentius A. G.; Steber, George R.; Piedl, Martin. Variable speed hydraulic pump. USP2005036863502.
  37. Karimi, Kamiar J.; Liu, Shengyi; Liffring, Mark E.; Helton, Steven B.; Fu, Sheau-Wei (Johnny). Vehicle electrical power management and distribution. USP2014058738268.
  38. Suzuki, Fuminori. Vehicular hydraulics supply device. USP2017029581239.