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특허 상세정보

Low engine speed steering performance

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60K-017/354    B60K-017/34    B60K-017/344    F16D-031/02   
미국특허분류(USC) 180/247; 180/418; 180/233; 180/248; 180/197; 701/069; 060/428; 060/486; 060/403
출원번호 UP-0438828 (2006-05-23)
등록번호 US-7597168 (2009-10-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Baker & Daniels LLP
인용정보 피인용 횟수 : 6  인용 특허 : 16
초록

A hydraulic system for a work vehicle including a manifold assembly configured to prioritize hydraulic fluid flow to priority functions over a wide range of engine speeds.

대표
청구항

The invention claimed is: 1. A vehicle comprising: an articulated frame having a front portion and a rear portion; a plurality of traction devices configured to propel the frame on the ground; a steering assembly including a hydraulic steering actuator operably coupled to the front portion and the rear portion of the frame; a loader assembly including a hydraulic loader actuator supported by the frame; a priority pump in fluid communication with the steering assembly; a first compensator valve in fluid communication with the priority pump; a second comp...

이 특허에 인용된 특허 (16)

  1. Khalil,Rabie E.; Huang,Xiaodong; Krone,John James. Electro-hydraulic steering control system. USP2007047200993.
  2. Haarstad Donald M. (Chaska MN) Gage Douglas M. (Dubuque IA). Fluid controller and dampening fluid path. USP1988114781219.
  3. Bianchetta Donald L. (Coal City IL). Fluid motor control system providing speed change by combination of displacement and flow control. USP1982104354420.
  4. Graeve,Joshua Dean; Anderson,Eric Richard; Breutzman,Mark Edward. Fluid system with signal-mimicking device and associated method. USP2008117451686.
  5. Burk Ronnie F. (Waterloo IA). Fully metered compensation steering system. USP1988024723475.
  6. Gage Douglas M. (Dubuque IA). Hydraulic control mechanism for a hydraulic actuator. USP1991065024140.
  7. Gage Douglas M. (Dubuque IA). Hydraulic steering systems dampening devices. USP1990044915186.
  8. Gage Douglas M. (Dubuque IA) Neagle Stuart L. (Dubuque IA). Hydraulic system for a work vehicle. USP1989034809586.
  9. Miller James A. (Cedar Falls IA) Eagles Derek M. (Hudson IA). Load sensing hydraulic system. USP1984084463558.
  10. Wittren, Richard A.. Priority valve. USP1985124556078.
  11. Wittren, Richard A.; Miller, James A.. Priority valve. USP1985094541451.
  12. McGovern Donald E. (Dubuque IA) Irwin Stanley L. (Dubuque IA). Secondary hydraulic steering system. USP1991095050696.
  13. Orth ; Harold R.. Simplified load sensitive hydraulic system for use with a vehicle steering system. USP1978094116001.
  14. Mayhugh Joel M. (Houston TX) Varsamis Georgios L. (Houston TX). Stabilized speed-control system for a hydrostatic transmission. USP1994105355675.
  15. Bohner Hubert,DEX ; Moser Martin,DEX ; Schneckenburger Reinhold,DEX. Steering system for non-tracked motor vehicles. USP2001046209677.
  16. Gage Douglas M. (Dubuque IA). Vehicle steering and auxiliary function hydraulic circuit. USP1986124625751.