Fig. 1 IMV patent from Hyundai(2014)
Fig. 2 IMV patent from Hyundai(2015)
Fig. 5 IMV patent from Caterpillar(1999)
Fig. 6 IMV patent from Caterpillar(2003)
Fig. 7 IMV patent from Caterpillar(2005)
Fig. 8 IMV patent from Caterpillar(2007)
Fig. 9 IMV patent from Caterpillar(2014)
Fig. 10 IMV patent from HUSCO(2002)
Fig. 11 IMV patent from HUSCO(2002)
Fig. 12 IMV patent from Volvo(2010)
Fig. 13 IMV patent from Parker(2013)
Fig. 14 Suggested IMV circuit for Excavator
Fig. 3 IMV patent from Deere & company(1984)
Fig. 4 IMV patent from Deere & company(1988)
Table 1 Patent list for IMV
참고문헌
- E.T.N., "Fail operational controls for an independent metering valve", 2018
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- R. Book and C.E. Goering, "Programmable electrohydraulic valve", SAE Transactions, Vol. 108, No. 2, pp.346-352, 1999.
- A. Shenouda & W.J. Book, "Selection of operating modes of a multi-functional hydraulic device", Proceedings of IMECE 2005, pp.1-11.
- Keith A. Tabor, "A novel method of controlling a hydraulic actuator with four valve independent metering using load feedback", SAE 2005-01-3639.
- Bin Yao, "Integrated mechatronics design of precision and energy saving electro-hydraulic systems", Procedding of the 7th international conference on fluid power transmission and control" pp.360-372, 2009
- M. Chen, D. Zhao, "The gravitational potential energy regeneration system with closed-circuit of boom of hydraulic excavator", Mechanical systems and signal processing