vacuum servo


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vacuum servo

n
(Automotive Engineering) a servomechanism that is operated by the lowering of pressure in the intake duct of an internal-combustion engine
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References in periodicals archive ?
With the use of this system, the use of traditional components in vehicle such as the pumps, steering column, belts, intermediate shafts, belts, hoses, coolers and vacuum servos and master cylinders are eliminated.
REFINEMENTS: Ferrari, ventilated disc brakes, vacuum servos. Green Machine, Dog Excrement Attachment (DEA) - hydraulically driven airpump which scoops up dog dirt.