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Hydraulic drive systems for engine cooling fans

Hydraulic drive systems for engine cooling fans

Hydraulic drive systems for engine cooling fans

Product catalog summary
Advantages
  • Free choice of location on the vehicle
  • Smooth fan speed control
  • Automatic increase in fan speed as engine temperature rises
  • Reduction in fuel consumption
Application
  • Construction machinery: excavators, bulldozers, loaders, asphalt pavers
  • Agricultural machinery: tractors, harvesters, forestry equipment
  • Transport machinery: buses, trucks, special vehicles
Electronic Control Unit
  • Voltage: 16-32 V
  • Maximum current consumption: 0.1 A
  • Temperature sensor inlets: 4 pcs
  • Discrete inlets (frequency): 0-12 (24) V, 4 pcs
  • Outlets: 3A, 4 pcs
  • Connectors: DTM06-12SA, DTM06-12SB
  • CAN: SAEJ1939
Fan Drive System Options
  • Variant 1: Axial-piston pump and gear motor
  • Variant 2: Gear pump and gear motor
Fan Drive System Components
  • Displacement: 18, 28, 38, 45, 51, 63, 71 cm3/rev
  • Maximum continuous pressure: 280 bar
  • Maximum intermittent pressure: 350 bar
  • Maximum speed: 3000, 2800, 2600, 2200 rpm
Variable Axial-Piston Pumps Series PVC
  • Displacement: 16-45 cm3/rev
  • Maximum continuous pressure: 250 bar
  • Maximum intermittent pressure: 280 bar
  • Maximum speed: 2500-3000 rpm
Gear Pumps Series K, Group 2.5
  • Displacement: 20-90 cm3/rev
  • Maximum continuous pressure: 250 bar
  • Maximum intermittent pressure: 270 bar
  • Maximum speed: 2200-3000 rpm
Gear Motors Series K, Group 2
  • Displacement: 6.3-24.8 cm3/rev
  • Maximum continuous pressure: 250 bar
  • Maximum intermittent pressure: 280 bar
  • Maximum speed: 2800-4000 rpm
Gear Motors Series K, Group 3
  • Displacement: 20-71 cm3/rev
  • Maximum continuous pressure: 250 bar
  • Maximum intermittent pressure: 270 bar
  • Maximum speed: 2500-3000 rpm
Electro-Proportional Relief Valve
  • Electrical supply: 1.4 A (12VDC); 0.7 A (24VDC)
  • PWM Frequency: 200 Hz
  • Coil resistance: 7.2 Ohm (12VDC); 28.8 Ohm (14VDC)
  • Plug type: DIN 43650; Deutsch; Lead wires; AMP Jr

The system can be equipped with a reverse valve, to be clarified with the customer.

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Catalog excerpts

Hydraulic drive systems for engine cooling fans-1

ELECTRONIC CONTROL UNIT • Construction machinery: excavators, bulldozers, loaders, asphalt pavers • Agricultural machinery: tractors, harvesters, forestry equipment • Transport machinery: buses, trucks, special vehicles • Free choice of location on the vehicle • Smooth fan speed control • Automatically increase fan speed by engine temperature rises • Reducing fuel consumption

 Open the catalog to page 1
Hydraulic drive systems for engine cooling fans-2

FAN DRIVE SYSTEM COMPONENTS VARIABLE AXIAL-PISTON PUMPS SERIES PVC The system can be equipped with reverse valve clarify with customer

 Open the catalog to page 2

All Hydrosila catalogs and technical brochures

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  3. Control Valves

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.