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Brushless Motors for In-Tank Fuel Pumps
Technical Paper
2012-01-0426
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Traditional in-tank gasoline and diesel fuel pumps require high power, 120 W or more, in fuel systems that have high flow requirements, high pressure requirements, or both. One method to reduce power consumption is to improve efficiency by using a brushless motor rather than the traditional brush style motor. The brushless motor technology also eliminates the brush to commutator interface which improves the pump's robustness to fuel and reduces flow variation. Additional benefits are provided by the controller which provides motor commutation since it enables closed loop pump speed control, pump diagnostics, and the opportunity for additional sensor interfaces to improve the fuel delivery system architecture. This paper describes the brushless motor technology, design optimization strategy for fuel pump applications, selected design, and resulting torque and efficiency performance improvements.
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Authors
Topic
Citation
Collins, D., Anderson, P., Beyer, S., and Moreno, D., "Brushless Motors for In-Tank Fuel Pumps," SAE Technical Paper 2012-01-0426, 2012, https://doi.org/10.4271/2012-01-0426.Also In
References
- Haselman, D. C. Brushless Permanent Magnet Motor Design Writer's Collective 2003
- Brown, W. “DC Brushless Motor Control,” Microchip AN857 Application Note 2002
- “Causes of Global Warming,” www.globalwarming.com
- International Council of Clean Transportation, 2011 up-date