Page 28 - Linde - HMF/A/V/R-02 Hydraulic motors for closed and open loop operation

Motor types. HMV D-02 double motor

The double motor consists of two Series 02 variable motors arranged back-to-back. In addition to a wide torque/speed conversion
range it offers the option of direct installation in the drive line, since one or two shaft ends are optionally available for torque
output. Noise emission and fuel consumption are reduced because no transfer gearbox is required. At the same time the overall
efficiency increases. The performance comparison diagram shows the required drive capacity for different design variants at four
operating points.

HMV D-02 Performance comparison

Example vehicle: power 75 kW
Weight: unloaded 4 t, loaded 6 t;
Maximum speed
30 30

Required Diesel
power
20
20
Speed [km/h] Power [kW] at 12 km/h,

loaded
10 10
at 12 km/h,
unloaded

at 5 km/h,
HPV 75 + HPV 75 + HPV 75 + loaded
HMV 105 HMV 210 HMV 135D
Further features
>> two HMV-02 arranged back-to-back
>> connection for high pressure, servo and control pressure for each motor
>> motor control optionally through one signal or two separate signals
>> both motors can be set to 0 cc/rev
>> possible conversion ratio 1:6
>> optionally two shaft ends for direct installation in the drive line

Product benefits
>> wide conversion range for stepless acceleration
>> simplified drive line
>> high tractive effort and high terminal speed
>> highly dynamic response characteristics
>> high starting torque

2-pos. gearbox/conventional transmission Stepless with double motor

Typical operating range Typical operating range
Work cycle 1-step gear reduction

Road travel
Torque Torque

Speed Speed

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