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Multi-actuator pressure-based flow control system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F15B-011/16
  • F15B-011/00
  • F15B-021/08
  • F15B-021/00
  • E02F-009/22
출원번호 US-0287342 (2005-11-28)
등록번호 US-7260931 (2007-08-28)
발명자 / 주소
  • Egelja,Aleksandar M.
  • Tozawa,Shoji
  • Verkuilen,Michael T.
출원인 / 주소
  • Caterpillar Inc.
  • Shin Caterpillar Mitsubishi Ltd.
대리인 / 주소
    Finnegan, Henderson, Farabow, Garrett & Dunne
인용정보 피인용 횟수 : 49  인용 특허 : 13

초록

A hydraulic control system for a work machine is disclosed. The hydraulic control system has a fluid actuator, a supply of pressurized fluid, and a control valve movable to selectively pass pressurized fluid to the fluid actuator. The hydraulic control system also has a sensor configured to sense t

대표청구항

What is claimed is: 1. A hydraulic control system, comprising: a fluid actuator; a supply of pressurized fluid; a control valve movable to selectively pass pressurized fluid from the supply to the fluid actuator; a sensor configured to sense the pressure of the pressurized fluid passed to the fluid

이 특허에 인용된 특허 (13)

  1. Blendinger Herbert (Haibach DEX) Fertig Gnter (Wertheim DEX) Stellwagen Armin (Lohr DEX), Apparatus for adjusting the working fluid pressure.
  2. Schmitt Martin,DEX ; Weickert Thomas,DEX, Control arrangement for at least two hydraulic consumers.
  3. Peter J. Dix ; Alan D. Berger, Flow control for electro-hydraulic systems.
  4. Park Hee Woo (Seoul KRX), Fluid pressure control system for hydraulic excavators.
  5. Okabe Nobuya (Tsuchiura JPX) Mizushima Hiroshi (Ibaraki JPX), Hydraulic circuit system for construction machine.
  6. Naoyuki Moriya JP; Hideto Furuta JP, Hydraulic control device for working machines.
  7. Watanabe Hiroshi (Ushiku JPX) Tanaka Yasuo (Tsukuba JPX) Izumi Eiki (Ibaraki JPX) Onoue Hiroshi (Ibaraki JPX) Nakamura Shigetaka (Tsuchiura JPX), Load sensing control system for hydraulic machine.
  8. Mitchell John P., Load sensing hydraulic control system for variable displacement pump.
  9. Hasegawa Yoshimi (Yachiyo JPX) Nishiumi Kenichi (Kawasaki JPX) Yonekubo Yoshitake (Tokyo JPX) Naito Hisato (Sagamihara JPX) Koiwai Hideshi (Toda JPX), Load-sensing active hydraulic control device for multiple actuators.
  10. Du, Hongliu, Method and apparatus for controlling a variable displacement hydraulic pump.
  11. Rockwood Brian D., Method and system for controlling fluid flow in an electrohydraulic system having multiple hydraulic circuits.
  12. Yoshino Kazunori (Kobe JPX), Swing-frame motor flow and sensed load pressure control system for hydraulic excavator.
  13. Nelson, Bryan E., Variable delivery control arrangement for a pump.

이 특허를 인용한 특허 (49)

  1. Knussman, Michael L., Closed-loop hydraulic system having energy recovery.
  2. Kuehn, Jeffrey L.; Edler, Brad A.; Peterson, Jeremy T.; Verkuilen, Michael T., Closed-loop hydraulic system having force modulation.
  3. Edler, Brad A.; Kuehn, Jeffrey L.; Peterson, Jeremy T.; Verkuilen, Michael T., Closed-loop hydraulic system having priority-based sharing.
  4. Knussman, Michael L.; Opdenbosch, Patrick; Dierking, Joshua, Closed-loop hydraulic system having regeneration configuration.
  5. Zhang, Jiao; Ma, Pengfei; Shang, Tonglin; Wen, Gang Victor; Nelson, Bryan Edward; Chen, Dayao, Electro-hydraulic system for recovering and reusing potential energy.
  6. Ma, Pengfei; Shang, Tonglin; Zhang, Jiao; Chen, Dayao; Wen, Gang Victor, Energy recovery system for hydraulic machine.
  7. Zhang, Jiao; Chen, Dayao; Ma, Pengfei; Shang, Tonglin; Tognetti, Lawrence J.; Kuehn, Jeffrey L., Energy recovery system having accumulator and variable relief.
  8. Wen, Gang Victor; Ma, Pengfei; Zhang, Jiao; Shang, Tonglin, Energy recovery system having integrated boom/swing circuits.
  9. Klassen, James B., Energy transfer machines.
  10. Fletcher, Jeffrey Graham; Jones, Daniel Aaron; Chow, Ricky Kam Ho; Hewavisenthi, Ranishka De Silva, Excavation system providing automated stall correction.
  11. Peterson, Grant S.; Anderson, Randall T., Hydraulic control system having cylinder flow correction.
  12. Peterson, Grant S.; Anderson, Randall T.; Cesur, Rustu; Brinkman, Jason L., Hydraulic control system having cylinder stall strategy.
  13. Peterson, Grant S.; Anderson, Randall T.; Cesur, Rustu; Brinkman, Jason L., Hydraulic control system having cylinder stall strategy.
  14. Cesur, Rustu; Zhang, Jiao; Shang, Tonglin; Hillman, Bryan J.; Spring, Peter; Tognetti, Lawrence J.; Ma, Pengfei, Hydraulic control system having electronic flow limiting.
  15. Ma, Pengfei; Zhang, Jiao; Shang, Tonglin; Spring, Peter; Chen, Dayao; Syed, Salik A.; Ferraz, Jr., John; Peterson, Randal N., Hydraulic control system having energy recovery kit.
  16. Peterson, Randal N.; Egelja, Aleksandar M.; Cesur, Rustu, Hydraulic control system having over-pressure protection.
  17. Cesur, Rustu; Tognetti, Lawrence J.; Ma, Pengfei; Zhang, Jiao; Shang, Tonglin, Hydraulic control system having swing energy recovery.
  18. Ma, Pengfei; Zhang, Jiao; Chen, Dayao; Shang, Tonglin, Hydraulic control system having swing energy recovery.
  19. Hillman, Bryan J.; Zhang, Jiao; Tognetti, Lawrence C.; Spring, Peter; Cesur, Rustu; Shang, Tonglin, Hydraulic control system having swing motor energy recovery.
  20. Zhang, Jiao; Shang, Tonglin; Spring, Peter; Ma, Pengfei; Peterson, Randal N., Hydraulic control system having swing motor energy recovery.
  21. Zhang, Jiao; Shang, Tonglin; Spring, Peter; Ma, Pengfei; Peterson, Randal N.; Cesur, Rustu, Hydraulic control system having swing motor energy recovery.
  22. Zhang, Jiao; Tognetti, Lawrence J.; Ma, Pengfei; Chen, Dayao; Ferraz, Jr., John; Yoshino, Tetsuya, Hydraulic control system having swing motor energy recovery.
  23. Zhang, Jiao; Ma, Pengfei; Shang, Tonglin; Cesur, Rustu; Hillman, Bryan J.; Spring, Peter; Tognetti, Lawrence J.; Peterson, Randal N.; Chen, Dayao, Hydraulic control system having swing motor recovery.
  24. Shang, Tonglin; Cesur, Rustu; Hillman, Bryan J.; Zhang, Jiao, Hydraulic control system having swing oscillation dampening.
  25. Peterson, Grant S.; Anderson, Randall T., Hydraulic control system implementing pump torque limiting.
  26. Knussman, Michael L., Hydraulic system.
  27. Knussman, Michael L.; Edler, Brad A.; Opdenbosch, Patrick, Hydraulic system.
  28. Knussman, Michael L.; Edler, Brad A.; Opdenbosch, Patrick, Hydraulic system.
  29. Opdenbosch, Patrick, Hydraulic system having flow combining capabilities.
  30. Berg, Casey Dean; Khalamendik, Oleg; Sanders, Ted Jay, Machine attachment based speed control system.
  31. Anderson, Randall T., Machine control system and method.
  32. Anderson, Randall T., Machine control system and method.
  33. Opdenbosch, Patrick; Knussman, Michael L.; Dierking, Joshua, Meterless hydraulic system having displacement control valve.
  34. Opdenbosch, Patrick; Tognetti, Lawrence J.; Hillman, Bryan J., Meterless hydraulic system having flow sharing and combining functionality.
  35. Opdenbosch, Patrick; Tognetti, Lawrence J.; Hillman, Bryan J., Meterless hydraulic system having flow sharing and combining functionality.
  36. Opdenbosch, Patrick; Tognetti, Lawrence J.; Hillman, Bryan J., Meterless hydraulic system having flow sharing and combining functionality.
  37. Opdenbosch, Patrick; Tognetti, Lawrence J.; Hillman, Bryan J., Meterless hydraulic system having flow sharing and combining functionality.
  38. Opdenbosch, Patrick; Knussman, Michael L.; Dierking, Joshua, Meterless hydraulic system having load-holding bypass.
  39. Opdenbosch, Patrick, Meterless hydraulic system having multi-actuator circuit.
  40. Opdenbosch, Patrick, Meterless hydraulic system having multi-actuator circuit.
  41. Opdenbosch, Patrick, Meterless hydraulic system having pump protection.
  42. Opdenbosch, Patrick; Knussman, Michael L.; Dierking, Joshua, Meterless hydraulic system having restricted primary makeup.
  43. Vigholm, Bo; Karlsson, Jan; Ekvall, Andreas; Heybroek, Kim, Method for controlling a hydraulic system of a working machine.
  44. Lech, Richard J.; Anderson, Garrett; Hennemann, Matthew J.; Anderson, C. David, Open center hydraulic system.
  45. Will, Bradley J.; Anderson, Randall T., System and method for controlling transmission based on variable pressure limit.
  46. Gorman, Corey L.; Anderson, Randall T., System and method for integrated power control.
  47. Anderson, Randall T.; Gorman, Corey L., Torque load control system and method.
  48. Hartwick, Ty, Trencher with auto-plunge and boom depth control.
  49. Ohhigashi, Kouji; Nagata, Noritaka; Uchimaru, Masatoshi, Work machine and control method for work machines.
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