Back to results
US 8,475,317 B2Granted
Vehicle accessory drive system
AssigneeFord Global Technologies, LLC
InventorsDavid A. Janson, John E. Brevick, Reid A. Baldwin
Life of this patent
Estimating the term…
Abstract
A vehicle drive system includes a first power path wherein an engine drives an accessory and a starter-alternator at relatively low speed, a second power path wherein the engine drives the accessory and a starter-alternator at relatively high speed, a third power path wherein the starter-alternator drives the accessory while the engine is off, and a fourth power path wherein the starter-alternator cranks the engine before an engine restart.
Claims22
A vehicle accessory drive system, comprising:
- a first power path wherein an engine drives an accessory and a starter-alternator at relatively low speed;
- a second power path wherein the engine drives the accessory and the starter-alternator at relatively high speed;
- a third power path wherein the starter-alternator drives the accessory while the engine is off;
- a fourth power path wherein the starter-alternator cranks the engine before an engine restart.
1 more element
A vehicle accessory drive system, comprising:
- a first power path wherein an engine drives an accessory at relatively low speed;
- a second power path wherein the engine drives the accessory at relatively high speed;
- a third power path wherein a starter-alternator drives the accessory while the engine is off;
- a fourth power path wherein the starter-alternator cranks the engine slower than a speed of the starter-alternator with greater torque than starter-alternator torque.
1 more element
Dependencies are inferred from the claim text.