Specifications: 1) Start-up torque ratio: K.=4.00±0.24 2) Peak efficiency: a) ηⅠ max.=0.83-0.025 b) ηⅡ max.=0.816-0.024 3) Nominal moment: a) M(Bg0)=105.3±6.3N.m b) M(Bg)=82.75±4.97N.m 4) I is the transmission ratio of the input rotation rate to the outputrotation rate.5) The rotation rate of pump rotor: nB=2000 rev/min.