Back to results
US 5,469,820 AGranted
Auxiliary power unit for a hybrid electrical vehicle
AssigneeOnan Corporation
InventorsStanley E. Data, Robert P. Koziara, Mark S. Lent, Patrick A. O'Gorman, Thomas K. Rose, Eugene G. Shanks, Daniel A. Norrick
Life of this patent
Estimating the term…
Abstract
An auxiliary power system includes an engine balance system, an integrated alternator/starter, a thermal management system, noise-vibration-harshness control system, an emissions/fuel economy system, an APU master control unit, and a vehicle control system.
Claims3
An auxiliary power unit for a hybrid electric vehicle, comprising:
- a combustion engine driving a crankshaft;
- a balance shaft interconnected to the crankshaft by gear means for causing the balance shaft to rotate in a direction opposite to that of the crankshaft;
- an alternator/starter mounted on an end of the balance shaft;
- and
- wherein a net angular momentum of the auxiliary power unit is zero.
2 more elements
Dependencies are inferred from the claim text.