Back to results
US 12,644,513 B2Granted
Continuously variable transmission
AssigneePolaris Industries Inc.
InventorsAmery D. Kuhl, Jacob Jain, David J. Hicke, Stephen L Nelson, Anthony J. Ripley
Life of this patent
Estimating the term…
Abstract
A vehicle may include a continuously variable transmission which requires non-recycled air. The continuously variable transmission may provide non-recycled air to a first number of sheaves of the continuously variable transmission with a second number of air supply conduits, the second number being less than the first number. A cover of the continuously variable transmission may have a unitary body.
Claims10
A continuously variable transmission (“CVT”) for a vehicle, comprising:
- a drive clutch including a moveable sheave and a stationary sheave;
- a driven clutch operably coupled to the drive clutch and including a moveable sheave and a stationary sheave;
- and
- a housing generally surrounding the drive and driven clutches and including an inner cover and an outer cover, and the outer cover includes a channel configured to initially direct air toward the drive clutch independent of the driven clutch;
- wherein the channel is configured to direct air towards the stationary sheave of the drive clutch at a position within the inner cover.
2 more elements
A continuously variable transmission (“CVT”) for a vehicle, comprising:
- a drive clutch including a moveable sheave and a stationary sheave;
- a driven clutch operably coupled to the drive clutch and including a moveable sheave and a stationary sheave;
- a housing generally surrounding the drive and driven clutches and including an inner cover and an outer cover, the outer cover defining an air supply opening, and the outer cover defining a first channel configured to direct air toward the drive clutch from the air supply opening and a second channel configured to direct air toward the driven clutch from the air supply opening;
- wherein the driven clutch defines a plurality of fins to direct airflow from the second channel.
1 more element
Dependencies are inferred from the claim text.