pinion and ring gear
- noun
- Specialized
- The mechanic checked the pinion and ring gear for signs of wear in the differential.
Examples
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The pinion and ring gear system in the car is essential for smooth operation.
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Proper alignment of the pinion and ring gear is essential for smooth transmission of power.
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Replacing a damaged pinion and ring gear can restore functionality to a car's rear axle.
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Many vehicles rely on a reliable pinion and ring gear for power transfer.
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The mechanic explained that the pinion and ring gear in the differential is crucial for delivering power to the wheels.
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During the repair, we found that the pinion and ring gear were worn out and needed to be replaced.
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For optimal performance, it is important to ensure proper lubrication of the pinion and ring gear in your vehicle.
Synonyms
A wheel with teeth that makes parts of a machine move
A set of gears that work together to change machine speed or power
The parts in a machine that work together to change speed and force
A pair of gears in a car that turn motion at a right angle
A set of gears that lets two wheels turn at different speeds when a car turns
A group of wheels with teeth that pass on and change movement and force
A group of wheels with teeth that pass movement and force to make a machine work
How Complex
- Specialized
- Specialized
- Specialized
- Specialized
Surface Forms
Morphology
The phrase is a straightforward nominal composition: 'pinion' (a small gear) combined with 'ring gear' (a circular gear) denotes the two gears taken together. A learner who knows the constituent meanings can readily infer it refers to a paired set of meshing gears used in a mechanical system, so the meaning is compositional despite being technical.
Etymology
Pinion and ring gear is the name for a small gear, the pinion, whose teeth fit into the teeth of a large circle, the ring gear, so a small wheel turns a big ring to move power from one axle to another. That's why pinion and ring gear refers to that pair of gears that work together to 'send turning power' between axles, often at a 'right angle'.