Glossary “inversion valve” Definition:
A normally open air valve used primarily in parking and emergency brake systems.
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interrupter
Glossary “interrupter” Definition:
Device used to block a signal
interpole
Glossary “interpole” Definition:
A small field pole placed between the main field poles and electrically connected in series with the armature of an electric rotating machine.
internal leaks
Glossary “internal leaks” Definition:
Leaks that exist or develop inside a transmission or other component, some being ordinary and acceptable, while others may indicate a component failure.
internally balanced engine
Glossary “internally balanced engine” Definition:
Engines that reley on the crankshaft counterweights for all crankshaft balance.
International Hot Rod Association (IHRA)
Glossary “International Hot Rod Association (IHRA)” Definition:
A drag-racing sanctioning body.
intermittent fault code
Glossary “intermittent fault code” Definition:
One that only occurs occasionally for a short period of time and is not present in the system at the time of the fault test.
intermittent problem
Glossary “intermittent problem” Definition:
Fault that occurs now and then in an electrical circuit, referring to occasional opens, shorts, or grounds
Intermix System
Glossary “Intermix System” Definition:
A full set of paint pigments and solvents that can be mixed at the body shop.
internal balancing
Glossary “internal balancing” Definition:
Balancing that is done by drilling holes on the crankshaft counterweights.
internal combustion engine (IC)
Glossary “internal combustion engine (IC)” Definition:
An engine that burns the air/fuel mixture in a chamber inside the engine cylinder, like a conventional reciprocating engine or a rotary engine.
internal gear
Glossary “internal gear” Definition:
A gear with teeth pointing inward toward the center of the orifice.
intermediate shaft
Glossary “intermediate shaft” Definition:
Shaft through which power is transferred from the input components to the output components.
intermittent
Glossary “intermittent” Definition:
A fault that occurs now and then in an electrical circuit, referring to occasional opens, shorts, or grounds
intermittent duty
Glossary “intermittent duty” Definition:
A service requirement that demands electrical or mechanical operation for alternate intervals of load and no load; load and rest; or load, no load, and rest.
intermediate color
Glossary “intermediate color” Definition:
A mixture of an adjacent primary and a secondary color, such as red-orange, red-violet, blue-green, or blue-purple.
intermediate drive shaft
Glossary “intermediate drive shaft” Definition:
Located between the in-board and out-board CV joints, it equalizes drive shaft length.
intermediate gear
Glossary “intermediate gear” Definition:
A small torque increase obtained from a planetary gear set when the sun gear is held and power is applied to the internal gear.
intermediate lever
Glossary “intermediate lever” Definition:
Part of the parking brake linkage under the vehicle that increases application force and work with the equalizer to apply it equally to each wheel.
intermediate clutch
Glossary “intermediate clutch” Definition:
Clutch which must be applied in order for the automatic transmission to deliver second or intermediate range.