hydraulic accumulator

American  

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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Etymology

Origin of hydraulic accumulator

First recorded in 1875–80

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.

From Time Magazine Archive

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.

From Time Magazine Archive

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.

From Project Gutenberg

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

From Project Gutenberg