power brake

power brake
noun
a brake on an automobile that magnifies a small force applied to the brake pedal into a proportionately larger force applied to slow or stop the vehicle
Hypernyms: ↑brake
Hyponyms: ↑airbrake
Part Holonyms: ↑motor vehicle, ↑automotive vehicle

* * *

noun
: automotive brake with engine power used to amplify the torque applied at the pedal by the driver

* * *

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.
[1895-1900]

* * *

power brake,
a brake in a motor vehicle that uses the vacuum produced by the engine to force hydraulic fluid or compressed air to the brake shoes of the wheel, requiring very little pressure on the brake pedal to stop the vehicle.

Useful english dictionary. 2012.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • Power brake — may refer to: * Hydraulic brake * Power attenuator (guitar) …   Wikipedia

  • power-brake control valve — A special form of pressure regulator between the aircraft hydraulic system and the brake cylinders. The amount of pressure applied to the brakes is directly proportional to the pilot’s inputs on the brake pedals. A power brake control valve… …   Aviation dictionary

  • 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. [1895 1900] * * * …   Universalium

  • power brake — See power brakes …   Dictionary of automotive terms

  • brake — [1] To slow down a vehicle. [2] The mechanism that converts motion (kinetic energy) into heat energy through friction. The most common instance is found in the wheels of cars where the brake shoes or disc pads are designed to press against the… …   Dictionary of automotive terms

  • brake — n. 1) to apply, step on a brake; to pump the brakes; to put on the brakes; to jam on/slam on the brakes 2) to ride the brakes ( to use the brakes excessively ) 3) (fig.) to put a brake on (the government put a brake on plans for expansion) 4) to… …   Combinatory dictionary

  • Power attenuator (guitar) — In electric rock guitar, attenuators are used to dissipate some or all of the amplifier s power in the attenuator s built in, mostly resistive dummy load instead of letting that power drive the speaker, in order to silence or reduce the output… …   Wikipedia

  • brake feel — A discernible, to the driver, relationship between the amount of brake pedal pressure and the actual braking force being exerted. A special device is incorporated in power brake installations to give the driver this feel …   Dictionary of automotive terms

  • Brake pad — Brake pads are an important part of braking systems for all types of vehicles that are equipped with disc brakes. Brake pads are steel backing plates with friction material bound to the surface facing the brake disk.FunctionBrake pads convert the …   Wikipedia

  • Brake specific fuel consumption — (BSFC) is a measure of an engine s efficiency. It is the rate of fuel consumption divided by the power produced. BSFC is specific for shaft engines such as reciprocating engine. The BSFC Calculation (in metric units) To calculate BSFC, use the… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”