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Rotary Speed Sensor for Antilocking BrakesSensor based on fluidic principles produces negative pressure approximately proportional to rotational speed. Sensor developed as part of antilocking brake system for motorcycles. Uses inlet pressure rather than outlet pressure as braking-control signal, eliminating pressure pulsations caused by pump vanes and ensuring low-noise signal. Sensor is centrifugal air pump turned by one of motorcycle wheels. Air enters pump through orifice plates, and suction taken off through port in pump inlet plenum.
Document ID
19850000509
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Berdahl, C. M.
(Caltech)
Date Acquired
August 12, 2013
Publication Date
March 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 4
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
NPO-16479
Accession Number
85B10509
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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