What is spring?

spring energized

Glossary “spring energized” Definition:
One-way roller clutch that has the rollers held in contact with the cam and race by individual springs, or by means of a spring-actuated cage.

spring break chamber

Glossary “spring break chamber” Definition:
1). Device used with brake assemblies as a fail safe unit that automatically applies the truck’s service brakes in the event of an air loss. 2). Device used as a parking brake and is used with cam and wedge-type brakes.

spring break valve

Glossary “spring break valve” Definition:
1). Device that limits the hold-off pressure to the spring-brake chambers via a relay valve or quick release valve. 2). Device that provides a modulated spring-brake application to the front axle proportional to the service braking pressure whenever a loss of pressure occurs.

spring

Glossary “spring” Definition:
1). Small steel coils that are used to close the intake and exhaust valves when the cam lobes release pressure on the valve stem. 2). Steel or composite elastic leaf or coil-like device that compresses as it absorbs energy and returns to its original position when it releases that energy.