Method for producing hybrid driveshaft
US6336986B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1998 |
| Grant date | Jan 8, 2002 |
| Priority date | — |
| Expiry date | Jun 25, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S464/903
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A hybrid shaft adapted to be used as a drive shaft of an automobile transmission system comprises a unitary cylindrical hybrid stem formed from a metal tube and a composite material layer adhered to the metal tube. The metal tube provides torque-transmission strength to the hybrid shaft while the composite material layer increases a specific modulus of the hybrid shaft. The hybrid shaft is produced by stacking a composite material layer on a metal tube, putting a thermal shrinkage tube on the composite material layer, and co-curing the metal tube and the composite material layer while exerting a longitudinal compression force on the metal tube to prevent it from being thermally expanded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.