hydraulic brake cylinder
Definition
Noun: A hydraulic brake cylinder is a cylinder that contains brake fluid which is compressed by a piston. It is a key component in a hydraulic brake system, where pressure applied to the brake pedal is transmitted via the fluid in this cylinder to actuate the brakes.
Usage
The term is used specifically in automotive and mechanical engineering contexts to refer to the component that converts hydraulic pressure into mechanical force to apply a vehicle's brakes. * The mechanic replaced the leaking hydraulic brake cylinder. * Proper function of the hydraulic brake cylinder is essential for safe braking.
Advanced Usage
- Technical Specification: Often discussed in terms of its bore size, which affects the braking force and pedal feel.
- Upgrading to a hydraulic brake cylinder with a larger bore can increase braking power.
- Maintenance Context: Frequently mentioned when discussing brake system repairs, fluid leaks, or component failure.
- A common symptom of a failing hydraulic brake cylinder is a soft or spongy brake pedal.
Variants and Related Words
- Wheel Cylinder: A type of hydraulic brake cylinder used in drum brake systems, typically located at each wheel.
- Master Cylinder: The primary hydraulic brake cylinder activated by the brake pedal, which generates pressure for the entire system.
- Slave Cylinder: A general term for a cylinder actuated by pressure from a master cylinder; in braking systems, wheel cylinders are a type of slave cylinder.
- Brake Caliper: In disc brake systems, the hydraulic brake cylinder(s) are housed within the brake caliper.
Synonyms
- Brake cylinder (a common shortened form)
- Brake actuator (a more general functional term)
Related Phrases
- Brake fluid reservoir: The container that holds the supply of brake fluid for the hydraulic system, often integrated with the master cylinder.
- Bleeding the brakes: The maintenance procedure of removing air from the hydraulic brake cylinders and lines.
Noun
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a cylinder that contains brake fluid that is compressed by a piston
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