Glossary “flapper valve” Definition:
Ball valve that operates with a vacuum, pressure diaphragm, or motor.
f
flare
Glossary “flare” Definition:
Cone-shaped flange end applied to a piece of tubing to provide a means of fastening to a fitting.
flare nuts
Glossary “flare nuts” Definition:
Hollow fittings on fuel, brake and hydraulic lines.
flanged weld
Glossary “flanged weld” Definition:
Weld made on the edges of two or more joint members, at least one of which is flanged.
flank
Glossary “flank” Definition:
Flat part of a camshaft lobe. Also used to describe the part of a gear tooth that is the area below the pitch line, also called the root.
flanks
Glossary “flanks” Definition:
Ramps on either side of the cam lobe, between the nose and the base circle.
flange yoke
Glossary “flange yoke” Definition:
The part of the rear U-joint attached to the drive pinion.
flanged bearing
Glossary “flanged bearing” Definition:
1). Bearing having a flange to affix its position in a bore or on a shaft. 2). A main bearing having a flange to control the end play of a crankshaft.
flanged sleeve
Glossary “flanged sleeve” Definition:
A cylinder sleeve having a flange at the top to allow it to be set at a specific depth in the block.
flammable
Glossary “flammable” Definition:
Catches on fire easily and burns rapidly. Materials with flash point below 100¡ãF.
flammable limits
Glossary “flammable limits” Definition:
Same as explosive limits.
flange
Glossary “flange” Definition:
Projecting rim or edge of a part, usually narrow and of approximately constant width for stiffening or fastening.
flange gasket
Glossary “flange gasket” Definition:
Gasket that seals the mating surface of a flanged part and base surface.
flange nut
Glossary “flange nut” Definition:
Fastener that incorporates a flange or washer thrust surface.
flame travel
Glossary “flame travel” Definition:
Distance across the combustion chamber that the flame of the ignited mixture travels.
flame treatment
Glossary “flame treatment” Definition:
Light scorching of a plastic repair area with a torch, to strengthen the bond of the adhesive to be applied.
flammability
Glossary “flammability” Definition:
The characteristic of something that makes it burn quickly and easily.
flame spraying
Glossary “flame spraying” Definition:
Thermal spraying process in which an oxyfuel-gas flame is the source of heat for melting the surfacing material.
flame suit
Glossary “flame suit” Definition:
An aluminized, fire-resistant, driving suit.
flame kernel
Glossary “flame kernel” Definition:
Initial shape of a freshly ignited air/fuel mixture during the first few milliseconds of combustion.