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Compact Electro-Hydraulic Actuator

Summary

Electro-hydraulic actuators (EHAs) are well known for their uses in many applications and offer several advantages such as compactness, versatility, and weight reductions. Current EHAs using gear pumps are easy to manufacture, but have lower efficiency than other EHAs. Prior EHA systems do not guarantee the actuator speed control or the load hold.

Technology Benefits

Saves weight and cost Actuator can be held in a fixed position regardless of the loadEasier maintenance for the system

Technology Application

Aircraft Cargo and vehicle doors Hatches and landing gears

Detailed Technology Description

Andrea VaccaPurdue Agricultural and Biological EngineeringMaha Fluid Power Research CenterAndrea VaccaPurdue Mechanical Engineering

Countries

Europe

Application No.

None

Country/Region

USA

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