Current Status of Independent Metering Valve Application

독립 미터링 밸브(IMV)의 응용 현황

  • Published : 2018.12.01

Abstract

Keywords

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Fig. 1 EATON’s high place operation car with IMVs

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Fig. 2 Can-enabled electro-hydraulic sectional mobile valve of EATON

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Fig. 3 Specification of EATON valve

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Fig. 4 Hydraulic circuit of EATON valve

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Fig. 5 Interview figure of global product manager of Caterpillar at CONEXPO-CON/AGG 2014

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Fig. 6 336EH model of Caterpillar

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Fig. 7 Full-IMV type excavator of Caterpillar

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Fig. 8 Valve block of model 336F XE

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Fig. 9 Hydraulic circuit of model 336F XE

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Fig. 10 inner view of model 336F XE

References

  1. US 3922855, "Hdraulic circuit for an excavator", Caterpillar Tractor Co., 1975
  2. US 4437385, "Electrohydraulic valve system", Deere & Company, 1984
  3. Thomas J. Ulerg, "Proportional cartridge valves-economical alternative to large valves", Agricaltural Engineering 71, No.4, P.11
  4. R. Book and C.E. Goering, "Programmable electrohydraulic valve", SAE Transactions, Vol. 108, No. 2, pp.346-352, 1999
  5. Song Liu, Bin Yao, "Coordinate control of single-rod hydraulic cylinders with programmable valves and improved working mode selection", NCFP 102-2.4/SAE OH 2002-01-1343
  6. Hu H, Zhang Q, "Realization of programmable control using a set of individually controlled electrohydraulic valves", Int J Fluid Power 2002, Vol. 3, No. 2, pp. 29-34 https://doi.org/10.1080/14399776.2002.10781135
  7. Hu H, Zhang Q, "Development of a programmable E/H valve with a hybrid control algorithm", SAE technical paper 2002-02-1463, 2002
  8. Eaton, "Fail operational controls for an independent metering valve", 2018
  9. Eaton, "Introducing the EATON advanced mobile valve with independent metering", 2018
  10. Caterpillar, https://www.youtube.com/watch?v=Oa_mGJOr1zw, 2018
  11. Caterpillar, "Specalog for 336EH hydraulic excavator", AEHQ6904-01, 2012
  12. Caterpillar, "336F LEX catalogue", 2017