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High Performance Fog Lamps: Design Strategies and Proper Usage
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English
Abstract
The use of Free-Form Reflector (FFR) technology allows the enhancement of performance in fog lamp design, especially where the figure of merit for performance is the sharpness of the cutoff line. However, traditional fog lamp bulbs with transverse filament orientations may not be the most desirable light source to take advantage of FFR technology. Axial filament orientations can have advantages over transverse filament orientations in the design of FFR fog lamps. Also, as front fog lamps have increasingly higher photometric performance levels, they exhibit an increased sensitivity to lamp misaiming and other detrimental lighting conditions. This paper will discuss high performance fog lamp design strategies using FFR technology and proper usage of front fog lamps.
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Authors
Citation
Treptau, J., Jiao, J., and Alexander, K., "High Performance Fog Lamps: Design Strategies and Proper Usage," SAE Technical Paper 960928, 1996, https://doi.org/10.4271/960928.Also In
Automotive Design Advancements in Human Factors: Improving Drivers Comfort and Performance
Number: SP-1155; Published: 1996-02-01
Number: SP-1155; Published: 1996-02-01
References
- SAE J583 “Front Fog Lamps” SAE Ground Vehicle Lighting Standards Manual SAE HS-34 1995
- Schumacher, Thomas W. Fratfy, Hector Dorleans, Guy “Improvements in Low Beam Lighting Achieved By Complex Surface Reflectors” SAE Technical Paper 870059 1987
- Erickson, Gerald A. Allen, Paul J. Tuck, Richard G. “Variable Curvature Headlamp Reflector Parametric Analysis” SAE Technical Paper 910820 1991
- Pollack, W. “The cut off line in a beam pattern: Quality and position” 1986