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Electro-hydraulic Fan Drive System
Efficient cooling power,
where you need it.
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Complete Fan Drive Systems Electro-hydraulic Fan Drive Eaton can be your The Electro-hydraulic (EH) Fan Drive System cools benefits include: single source for fan drive your engine and vehicle sub-systems by controlling systems. a hydraulic pump and motor with a digitally • Fle xible installation for optimum fan location Eaton Fan Drive Systems programmable controller. can include: • Elimination of belt The EH Fan Drive System equipped with the Two maintenance • Pump (fixed- or v
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Applications and Benefits Applications: On-highway vehicles • Buses • Recreational vehicles Construction machinery • Excavators • Loaders • Cranes • Forklifts Agriculture machinery • Tractors • Forest machinery tion Sp aapplic Ecific BEnEfitS Benefits of Electronic Control • Functions with Engine Con- trol Module Input or Vehicle Sensor and Switch Inputs: – Allows a wide variety of configurations. • Communications via RS 323 or CANbus link: – Provides versatility in communications.
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Fan Drive Electronic Configuration Controller Options Power Requirement • 12 VDC or 24 VDC Laptop or PC Communication • R S232 for communication with GUI TCA Electronic Controller It is prepared for CANbus The TCA controller is available communications on a ve- for both 12 V or 24 V vehicle The TCA at the heart of the Inputs hicle network. Software for power systems. With 5 con- EH Fan Drive System, is a controlling the EH Fan Drive figurable inputs and 2 Pulse • F ive user configu
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Two Methods of Control 1. Int egrated Fan Drive 2. Stand-alone F an Drive This GUI, the GUI for the TCA System System is shown below, walks the designer through the defini- Interface the Fan Drive Define your own cooling tion process with real-time System to your engine logic using the TCA or EFX, graphical feedback to clearly control module to execute electronic controller. indicate the system’s re- the cooling strategy exactly By adding electronics to an sponse to each modification.
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Fixed-displacement Pump A fixed displacement pump Fixed displacement pumps Integrated are best suited for Fan Drive fan drive system is suited for The system cooling strategy Fan Drive System a smaller and simpler cooling Systems below 10 HP. is based on one ECM input, system. A fixed displacement two Temperature Inputs and pump is unable to alter it’s two Digital Inputs. In some displacement to slow the fan cases, the ECM signal is too speed with respect to the noisy or too weak to
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Variable-displacement Pump A variable displacement Variable displacement Stand-Alone pumps are best suited pump fan drive system is This system is similar to the Fan Drive System suited for larger and more for Fan Drive Systems Fixed Displacement Pump above 20 HP. complex cooling systems. A system. For engines not variable displacement pump equipped with an ECM, the reduces the displacement cooling strategy is based on to match the flow as per the a temperature sensor and cooli
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Fan Drive System Pump and Motor Guide E wop r (Hp) 5 10 15 20 25 30 35 40 45 50+ Fixed Displacement Pumps Eaton Gear 25500 21.3 - 55.2 cc 6.6 - 30.6 cc Eaton Gear 26000 Eaton Gear GGP Aluminum 5.3 - 33.4 cc 3.3 - 22.8 cc Vickers V10 Vane Vickers V20 Vane 19.5 - 42.4 umpp Variable Displacement Pumps Vickers Piston PVE 25.2 • 41.0 • 45.1 cc Eaton Piston 420 41.0 • 49.2 • 62.3 • 80 cc 57.4 • 73.7 • 98.3 • 131.1 cc Vickers Piston PVH Fixed Displacement Motors Eaton Gear 26000 6.6 - 30.6 cc 5.3 -
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Fan Drive System Hydraulic Components Vane Pump Vane Motor Gear Pump • Fixed-displacement • Fix ed-displacement • Fixed-displacement • 3.3 cc to 42.5 cc • 21.6 cc to 68.7 cc • 7-30 cc, 21-100 cc • V1 0 Series, • MU2 Series, • 26000 Series, V20 Series 25 M Series 25500 Series Gear Motor Piston Pump Piston Pump Piston Motor • Fixed-displacement • Variable-displacement • Variable-displacement • Fixed-displacement • 50 cc • 25, 40, 45 cc • 18, 20, 45, 50 cc • 12, 20 cc • 100 Series • 420 Serie
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Engineered Systems The Electronic Transmission Other electro-hydraulic Electro-hydraulic Steer By Electro-hydraulic Work Wire (EH-SBW) Circuits Automotive Control (ETAC) systems for steering, work circuit and fan drive ETAC system is a hydrostatic EH-SBW is a new technology An electronic remote control applications. steering system for vehicles joystick replaces the hydraulic propulsion package ideally suited for small to medium where an electronic sensor remote control, cables an
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Tailored to Your Needs World Class Product Lines Eaton is a global diversified industrial and Systems manufacturer. Eaton is a leader in: ® Aeroquip • Fluid power systems ® Char-Lynn • Electrical power quality, distribution and control ® Eaton • Automotive engine air management and fuel economy ® Vickers • Intelligent truck systems for fuel economy and safety ® Weatherhead For more information, visit www.eaton.com. Eaon t Electro-hydraulic Fan Drive System E-SYFD-MROO1-E3 October 2008 11
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Eaton Eaton Eaton Hydraulics Operations USA Hydraulics Operations Europe Hydraulics Operations Asia Pacific 14615 Lone Oak Road Route de la Longeraie 7 11th Floor Hong Kong New World Tower Eden Prairie, MN 55344 1110 Morges 300 Huaihai Zhong Road USA Switzerland Shanghai 200021 Tel: 952-937-9800 Tel: +41 (0) 21 811 4600 China Fax: 952-294-7722 Fax: +41 (0) 21 811 4601 Tel: 86-21-6387-9988 www.eaton.com/hydraulics Fax: 86-21-6335-3912 © 2008 Eaton Corporation All Rights Reserved Printed
