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Light and Heavy Vehicle Technology
book

Light and Heavy Vehicle Technology

by M.J. Nunney
March 2016
Intermediate to advanced content levelIntermediate to advanced
514 pages
33h 25m
English
Newnes
Content preview from Light and Heavy Vehicle Technology
92 LIGHT AND HEAVY VEHICLE TECHNOLOGY
in the transmitter winding heats the bimetallic strip,
thereby causing it to bend and open the contacts. Since
this action immediately interrupts the supply of current,
the strip will cool and the contacts will close again to
restore the circuit. In reality, of course, the process is
being continually repeated such that the bimetallic strip
oscillates to provide pulses of electric current. However,
the effect of rising oil pressure on the transmitter
diaphragm is to press the contacts more firmly together,
so that their rate of oscillation is reduced. In other
words, the current pulses sensed by the indicato ...
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Publisher Resources

ISBN: 9781483105062