Motorized wheelchairs
US6615937B2 · kind B2 · utility
42Cited by
9References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2001 |
| Grant date | Sep 9, 2003 |
| Priority date | — |
| Expiry date | Aug 17, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S180/907
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A motorized wheelchair is advantageously provided with a rate-of-turn feedback sensor and with forward/reverse motion, lateral motion, and vertical motion acceleration feedback sensors that are integrated into a closed-loop wheelchair servo control system to differentially control the rotational speed of wheelchair opposed motor-driven wheels and thereby obtain improved wheelchair motion stability through reduction/elimination of likely wheelchair spin-out and wheelchair tipping during wheelchair operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.