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hydraulic accumulator

noun

  1. an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
  2. (in a hydraulic system) an apparatus for storing energy.


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Word History and Origins

Origin of hydraulic accumulator1

First recorded in 1875–80
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Example Sentences

The countdown was held at T-Minus 46 seconds after an issue was discovered with a hydraulic accumulator - a device which collects fluid and keeps it under pressure for energy storage.

From BBC

The car "should" get about 60 m.p.g. and, because of the hydraulic accumulator designed to take over during stop-and-go traffic, close to 100 m.p.g. in the city.

There is not much noise�now and then the throaty roar of an improperly muffled diesel, the grating whine of a hydraulic accumulator and sometimes a distant cheer from students who get a cranky car started.

Steam power is employed, with an hydraulic accumulator which enables hydraulic power to be used in keeping the caisson in position at the top of the incline while the boats are being moved in or out, a water-tight joint being maintained with the final portion of the canal during the operation.

Question.—How is a hydraulic accumulator constructed, and why is it necessary?

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