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Variable Flow Gear Pump

Summary

Researchers at Purdue University have developed an electronically controlled variable flow external gear pump. Using a variable timing principle, electronic displacement control is realized in this novel pump design. Only one component of the gear pump is modified. This makes the design inexpensive and easier to implement while retaining all the advantages of a traditional gear pump. The actuation forces are low, needing lower energy for regulation. This variable displacement pump will help hydraulic system designers/engineers of fluid power systems who want to increase energy efficiency and performance while avoiding throttling losses and lowering energy waste and/or fuel consumption without resorting to system oversizing. This technology could be used in various hydraulic applications such as in engines and conveyor systems.

Technology Benefits

Inexpensive Retains advantages of traditional gear pump Energy efficient Ease of implementation

Technology Application

Various hydraulic applications Engines Conveyor systems

Detailed Technology Description

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

Countries

United States

Application No.

None

Country/Region

USA

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