Glossary “coupling phase” Definition:
The point in torque converter operation where the turbine speed is 90% or greater that of the impeller speed, and there is no longer any torque multiplication.
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coupling speed
Glossary “coupling speed” Definition:
Point at which all of the converter parts and fluid are turning as a unit.
counterclockwise rotation
Glossary “counterclockwise rotation” Definition:
Rotating in the opposite direction of the hands on a clock.
counter- electromotive force
Glossary “counter- electromotive force” Definition:
1). Term used for back emf or counter emf. 2). An induced voltage that opposes the source voltage.
countergear
Glossary “countergear” Definition:
Integral cluster of three or more various-sized gears, located in the lower transmission case, that revolve on a countershaft to provide the desired gear ratios, usually for second, low, and reverse.
countershaft
Glossary “countershaft” Definition:
1). A shaft used in a V-type enginedesign to reduce the effects of imbalance. 2). Rotating shafts used in an I-4 engine to reduce the effects of imbalance. 3). The shaft that supports the cluster-gear set in a manual transmission and rotates in the opposite direction of the clutch and driveshaft.
counterbalance
Glossary “counterbalance” Definition:
Weight added to a rotating shaft or wheel to offset vibrations.
counterbored ring
Glossary “counterbored ring” Definition:
A compression piston ring with a counterbore on its inside diameter to promote cylinder sealing.
counterboring
Glossary “counterboring” Definition:
Machining process, related to drilling, using an end-cutting tool to concentrically enlarge a hole to a limited depth.
counterclockwise (CCW)
Glossary “counterclockwise (CCW)” Definition:
A rotation to the left; as opposed to the direction of the rotation of clock hands.
COTS
Glossary “COTS” Definition:
Coolant Override Temperature Sensor
cotter pin
Glossary “cotter pin” Definition:
Pin that helps prevent bolts and nuts from loosening or fits through a hole to hold parts together.
coulomb
Glossary “coulomb” Definition:
Unit used to define a quantity of electrons equal to 6.28 x 10 18, either stored as in a capacitor or moving as in an ampere .
counter
Glossary “counter” Definition:
Device, such as a register or computer-storage location, used to represent the number of occurrences of an event.
counter emf
Glossary “counter emf” Definition:
Induced voltage; the voltage opposing the applied voltage and the current in a coil, caused by a flow of current in the coil.
counter gear assembly
Glossary “counter gear assembly” Definition:
Cluster of gears designeded on one casting with short shafts supported by antifriction bearing. Closely related to the cluster assembly.
corrugated metal gasket
Glossary “corrugated metal gasket” Definition:
Thin sheets of metal used as a gasket that is shaped into parallel grooves and ridges for added strength.
cosmetic filler
Glossary “cosmetic filler” Definition:
A surface that is finished or decorated to improve its appearance. Includes paint, glass, upholstery, etc.
Cosmoline
Glossary “Cosmoline” Definition:
A trade name for a heavy-grade lubricant used to protect machine surfaces.
Cosworth
Glossary “Cosworth” Definition:
British based racing engine manufacturer.