brake valve definition
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engineer's brake valve Definition of engineer's brake valve. : a valve in the cab of a locomotive for operating the air brake.
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South Carolina Learners Permit Restrictions - SC Driving Permit Rules In addition to the above restrictions, there are other requirements for you to meet. During the permit holding period, you must complete a South Carolina drivers education class and receive a PDLA form. You must also complete at least 40 hours of supervised driving with your parents, with 10 hours being done at night.
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brakenoun  [ C] brake meaning, definition, what is brake: a device that makes a vehicle go slower or stop, or a pedal, bar, or handle that makes…. Learn more.
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Engine Brakes Summary Industry Legislation. Most people have no idea what an engine brake is, but they know it when they hear it. It is a deafening bellowing noise that trucks produce when they slow down. Engine brakes are primarily used as a means to reduce the costs of maintaining standard wheel brakes. An engine brake is also known as a Jake Brake or Retarder.
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- Tuff Country 10725 Brake Proportioning Valve - Direct Fit. TUFF COUNTRY BRAKE PROPORTIONING VALVE KIT -- Includes mounting hardware; Provides 4-6 in. lift; Prevent wheel locking and get the most effective braking with this high quality brake proportioning valve kit. Brand SKU#: Tuff Country 10725. Product Fit: Direct Fit. Quantity Sold: Kit.
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Brake Master Cylinder Replacement Service The brake master cylinder contains brake fluid and is connected to the brakes through the brake pipes and hoses. When you step on the brake pedal, brake fluid flows from the master cylinder to the braking unit at each wheel, creating enough friction to slow down and/or stop the car.
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Vacuum Booster Operation A brake booster needs the right amount of vacuum to operate correctly. This is typically engine manifold vacuum (17-21Hg). On some engines, particularly diesels, an auxiliary pump is used to create vacuum. This vacuum is applied to both sides of the booster. Both the pedal side and the master cylinder side. As the driver presses the brake pedal, the vacuum valve blocks the vacuum source located on the pedal side of the booster. At the same time the air valve moves allowing atmospheric pressure in.
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- Proportioning Valve. The proportioning valve is designed to prevent rear wheel lockup during panic braking. It is needed for two main reasons - most vehicles use drum brakes in the rear and all vehicles experience weight transfer during a panic stop. Rear drum brakes are hydraulic over mechanical in design.
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- The primary circuit of the valve is similar in operation to a. standard single circuit air brake valve, and under normal. operating conditions the secondary circuit is similar in. operation to a relay valve. Both primary and secondary circuits of the brake valve use. a common exhaust protected by an exhaust diaphragm.
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Disc brake Disc brake. A disc brake is a type of brake that uses calipers to squeeze pairs of pads against a disc in order to create friction that retards the rotation of a shaft, such as a vehicle axle, either to reduce its rotational speed or to hold it stationary.
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Driver's brake valve In the simplest case the position of the lever controls the extent to which the valve opens, how quickly compressed air can be released from the pipes or the reservoir in the braking system. The setting of modern driver's brake valves controls the dynamic reduction of the remaining pressure in the brake pipes.
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brake a device for slowing or stopping a vehicle or other moving mechanism by the absorption or transfer of the energy of momentum, usually by means of friction. 2. brakes, the drums, shoes, tubes, levers, etc., making up such a device on a vehicle.
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Vacuum servo A return spring keeps the diaphragm in the starting position until the brake pedal is applied. When the brake pedal is applied, the movement pushes against a small spring which pushes against an air valve thus opening it to allow atmospheric pressure air to flow into the supply chamber of the booster.
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brake light brake light. n. 1. (Automotive Engineering) a red light attached to the rear of a motor vehicle that lights up when the brakes are applied, serving as a warning to following drivers. Also called: stoplight.
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ABS Brakes and the Facts 1 The primary (rear) circuit of the brake master cylinder feeds the front brakes. 2  The secondary (front) circuit of the brake master cylinder feeds the rear brakes. 3  If the anti-lock brake control module senses a wheel is about to lock, based on anti-lock brake sensor data, it closes the normally open solenoid valve for that circuit.
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Relief valve The relief valve (RV) is a type of valve used to control or limit the pressure in a system or vessel which can build up for a process upset, instrument or equipment failure, or fire. Pressure relief valve (PRV) or Pressure Release valve (PRV) or pressure safety valve (PSV): The difference is that PSVs have a manual lever to activate the valve in case of emergency.
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How Master Cylinders and Combination Valves Work Proportioning Valve. The proportioning valve reduces the pressure to the rear brakes. Regardless of what type of brakes a car has, the rear brakes require less force than the front brakes. The amount of brake force that can be applied to a wheel without locking it depends on the amount of weight on the wheel.
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- A metering valve or hold off valve is used in the disc portion of a disc/drum system to hold off the application of the front discs slightly allowing the slower reacting rears to catch up. This provides rear stability on wet surfaces and reduces excessive pad wear.
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The Complete Guide to Brake Horsepower and Torque An engine dyno is often called a brake because it brakes or resists engine output for the purpose of measurement. A very early dyno called a prony brake may have also lent its name to the dyno. It used a form of brake shoe to resist engine power. Most modern dynos use a water brake absorber or an eddy current absorber, which uses electrical current to brake the engine.
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Translations for brake shoe Freebase(0.00 / 0 votes)Rate this definition: Brake shoe. A brake shoe is the part of a braking system which carries the brake lining in the drum brakes used on automobiles, or the brake block in train brakes and bicycle brakes. Numerology Chaldean Numerology
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Railway air brake Control handle and valve for a Westinghouse Air Brake. A railway air brake is a railway brake power braking system with compressed air as the operating medium. Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on March 5, 1868. The Westinghouse Air Brake Company (WABCO) was subsequently organized to manufacture and sell Westinghouse's invention.
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- 1 Master cylinder mounted: Another type of proportioning valve is the master cylinder mounted. It is screwed on the fluid ports that are located between your car's brake lines and master cylinder.  Combination valve mounted: The last proportioning valve type is the combination valve.
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Air brake (road vehicle) Air brake (road vehicle). From Wikipedia, the free encyclopedia. Truck air actuated disc brake. An air brake or, more formally, a compressed air brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to apply the pressure to the brake pad needed to stop the vehicle.
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- Refer to the diagram above (click for larger image). The brake side of the master cylinder has a few parts not used in the clutch side, namely valve washer, valve cup, and valve body. Read the Workshop Manual page M.6 for a description of these parts and how they work.
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ICI's Actuator & Valve Industry Blog A brake is mounted on top of the motor to prevent the media from forcing on the valve and opening it unwantedly. A motor start capacitor gives the motor the necessary force to start. Limit switches are used to provide the necessary number of electrical contacts in the open, close or intermediate position.f no brake is mounted, the risk is that the force of media inside the pipe pushes the valve and open it slightly. The actuator will detect the valve being open and will rotate again to full close position. Repeating this action over and over, as the media pushes the valve back open.