3Werndin R,P.A.J.Achten and Sannelius Mikael.etc.Efficiency Performance and Control Aspects of a Hydraulic Transformer[R].In:The Sixth Scandinavian International Conference on Fluid Power,SICFP'99,Tampere,Finland,1999,1:395-407.
4Achten P A J,Fu Zhao,Valving land phenomena of the in-nas hydraulic transformer[J].International journal of fluid power,2000(1):33-42.
5Achten P A J, Fu Z, Georges E M, et al. Transforming future hydraulics: a new design of a hydraulic transformer. In: The Fifth Scandinavian International Conference on Fluid Power, SICFP'97, Linkoping, Sweden, 1997
6Vael G E M, Achten P A J, Fu Z. The Innas hydraulic transformer: the key to the hydrostatic common pressure rail. SAE2000-01-2561
7Achten P A J, Palmberg J O. What a difference a hole makes- the commercial value of the Innas hydraulic transformer. In: The Sixth Scandinavian International Conference on Fluid Power, SICFP'99, 1999,Tampere, Finland
8Achten P A J, Fu Z. Valving land phenomena of the innas hydraulic transformer. International Journal of Fluid Power, 2000(1):33～42
9Werndin R, Achten P A J, Sannelius M, et al. Efficiency performance and control aspects of a hydraulic transformer. In: The Sixth Scandinavian International Conference on Fluid Power, SICFP'99, Tampere, Finland, 1999, 1:395～ 407
10Achten,P. A. J., Zhao Fu, G. E. M. Vael. Transforming future hydraulics: a new design of a hydraulic transformer [D].IKP, Linkoping University : Proc. of the 5th Scandinavian International Conference on Fluid Power SICFP' 97, 1997.
