POWER BRAKE Definition & Meaning

power brake

an automotive brake set by pressure from some power source, as a compressed-air reservoir, in proportion to a smaller amount of pressure on the brake pedal.

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First recorded in 1895–1900

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Examples have not been reviewed.

If the power brakes fail, the brakes would still work without the power assist.

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It also has a 3-speed automatic transmission, power steering, power brakes and air conditioning, making it a consummate coastal cruiser.

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It has no air conditioning and no seat belts, but it does have power steering and power brakes.

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The power brake vacuum pump in the models can degrade and make it difficult to stop, according to the agency.

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Without power steering or power brakes, Holcy muscled the truck to the side of the highway.

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