Title:
METHODS AND DEVICES FOR ALTERING THE TRANSMISSION RATIO OF A DRIVE SYSTEM
Document Type and Number:
WIPO Patent Application WO2005007439
Kind Code:
A3
Abstract:
The transmission ratio between a first motor (8) and an output shaft (14) is varied by changing the speed of a second motor (10). The first and second motors are coupled to the output shaft with a planetary gear set (20). The first and second motors may both add power to the drive system.
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Inventors:
CLAUSON LUKE W (US)
Application Number:
PCT/US2004/022569
Publication Date:
August 18, 2005
Filing Date:
July 12, 2004
Export Citation:
Assignee:
CLAUSON LUKE W (US)
International Classes:
B60K6/365; B60K6/543; F16H3/72; (IPC1-7): B60K5/08; B60K6/00; F16H3/72
Foreign References:
| US6540631B2 | 2003-04-01 | |||
| US5318142A | 1994-06-07 | |||
| US6837321B2 | 2005-01-04 | |||
| US5935035A | 1999-08-10 | |||
| US6732526B2 | 2004-05-11 | |||
| US5980410A | 1999-11-09 | |||
| US20040043856A1 | 2004-03-04 | |||
| US20030078134A1 | 2003-04-24 |
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