Patent · US Active

Dual engine hybrid vehicle drive

US8323144B1 · kind B1 · utility

8Cited by

8References

2Claims

0Family size

Assignee

Deere & Company · US

Inventors

Shi Bin · Cedar Falls, US
Andrew K. Rekow · Cedar Falls, US
Janet R. Willett · Cedar Falls, US

Key dates

Filing date	May 10, 2011
Grant date	Dec 4, 2012
Priority date	—
Expiry date	May 10, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19051
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A vehicle hybrid drive supplies torque to an axle. The drive includes a first engine and a transmission which couples the first engine to the axle. The drive also includes a second engine, a flywheel driven by the second engine, an electric generator driven by the flywheel, a generator controller coupled between the generator and a motor controller, and an electric motor coupled to the motor controller. A gearbox is coupled between the electric motor and the axle. The vehicle drive may also include a further flywheel driven by the first engine, with the transmission being driven by the second flywheel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.