Aircraft Hydraulic Pumps - Application, Design and Integration     

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I.D.# C1419Printable Description
Duration: .5 Day
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This 4 hour short course offers an overview of aircraft hydraulic pumps focusing on their application in hydraulic systems, design and performance characteristics, and integration issues. These topics will examine the various pump technologies available for aircraft system applications, their design, performance and operational characteristics and limitations, and discuss the challenges and lessons learned in the integration of pumps in hydraulic systems.

Learning Objectives
By attending this seminar, you will be able to:

  • Identify the various pump and pump control technologies used in common hydraulic systems
  • Evaluate the design characteristics and limitations inherent in applying the various technologies of pumps in their application in hydraulic systems
  • Evaluate the critical aspects of integration of pumps in hydraulic systems, such as controlling air entrainment, heat removal, and back-up strategies
  • Evaluate the interfaces between pumps, hydraulic systems and other aircraft systems

Who Should Attend
This seminar is designed for engineers, executives, and other key personnel with some experience in hydraulic pump design or system integration. The former will benefit in understanding the application and integration of pumps, while the latter will benefit in understanding the complexities and limitations of current pump designs.

Topical Outline

  • General
    • Hydraulic systems overview
    • Brief history of aircraft hydraulics
    • Hydraulic pump technologies overview
  • Application of Hydraulic Pumps
    • Engine Driven Pumps
    • Electric Driven Pumps
    • Others, such as Air Driven and Hydraulic Driven Pumps (PTU’s)
  • Design of Hydraulic Pumps
    • Pumping Technologies
      • Fixed / Variable displacemeent
      • Axial piston inline
      • Bent axis
    • Critical Design Factors
      • PV factors
      • Dynamic characteristics
      • Inlet conditions
      • Control of pumps
    • Flow / Pressure / Torque performance characteristics
  • Integration Challenges and Lessons Learned
    • Starting Issues
      • Engine driven pump torque control
      • Electric motor pump inrush current
    • Air ingestion control
    • Fluid conditioning
    • Heat rejection / Case drain flow
    • Pressure ripple control
  • Overview of Industry Specifications and Other Reference Material

    Instructor(s): Peter A. Stricker
    Mr. Stricker has 35 years’ experience in the aerospace industry, working on hydraulic systems and components for Vickers, which was later acquired by Eaton Corporation. During the first twenty years, he was engaged in the engineering design and development of hydraulic pumps, motors and integrated systems for commercial, military fixed and rotor wing aircraft, as well as ground defense vehicles. During the last fifteen years, Mr. Stricker has been involved in the Sales and Marketing side of the business, providing technical sales and marketing support and financial modeling for commercial and military aircraft hydraulic systems. Beginning during the spring of 2014, he will be “semi-retired”, working on selected engineering projects. Mr. Stricker is currently Vice Chairman of the Power Sources Panel of SAE Committee A6, Aerospace Actuation, Control and Fluid Power Systems. He has authored two recent SAE documents, AIR5872 Aerospace Hydraulic Pump Controls and ARP4940 Application Guide for Aerospace Hydraulic Motors. Mr. Stricker holds a B.S. Mechanical Engineering from McGill University, a M.S. Mechanical Engineering from the University of British Columbia, and an M.B.A. from Millsaps College. He has been a registered Professional Engineer in the State of Mississippi since 1980.

    Fees: $315.00 ; SAE Members: $252.00 - $284.00

    .4 CEUs
    You must complete all course contact hours and successfully pass the learning assessment to obtain CEUs.

    For additional information, contact SAE Customer Service at 1-877-606-7323 (724/776-4970 outside the U.S. and Canada) or at CustomerService@sae.org.