Struts and methods utilizing a compression collar
US-2016348370-A1 · Dec 1, 2016 · US
Hybrid shaft for motor vehicles
US9920786B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9920786-B2 |
| Application number | US-201414574491-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 18, 2014 |
| Priority date | Jun 28, 2012 |
| Publication date | Mar 20, 2018 |
| Grant date | Mar 20, 2018 |
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Abstract
Official abstract text for this publication.
A hybrid shaft is provided, particularly a hybrid shaft for a vehicle, for transmitting a torque. The hybrid shaft includes a hollow shaft made of metal, wherein the hollow shaft has at least one reinforcement layer made of fiber-reinforced plastic on an outer surface of the hollow shaft in at least one reinforcement section. The hollow shaft has an external diameter varying in a longitudinal direction of the hollow shaft inside the at least one reinforcement section.
First claim
Opening claim text (preview).
What is claimed is: 1. A hybrid shaft for transmitting a torque, comprising: a hollow shaft made of metal; at least one reinforcement layer, made of fiber-reinforced plastic, on an outer surface of the hollow shaft in at least one reinforcement section, wherein the hollow shaft has an external diameter varying in a longitudinal direction of the hollow shaft within the at least one reinforcement section with a first section having a first external diameter and a second section having a second external diameter connected with one another via a transition section, the first external diameter being larger than the second external diameter, and the transition section is configured to have an outer surface area providing a continuously curved transition at each end of the transition section to an outer surface area of the second section having the smaller second external diameter. 2. The hybrid shaft according to claim 1 , wherein the at least one reinforcement layer comprises rovings wound around the hollow shaft. 3. The hybrid shaft according to claim 2 , wherein the rovings are oriented at a winding angle of 10° to 20° with respect to the longitudinal direction of the hollow shaft. 4. The hybrid shaft according to claim 3 , wherein the transition section has a length of 5 to 10 centimeters. 5. The hybrid shaft according to claim 4 , wherein the continuously curved transition has a concave curvature radius has a value of between 0.8 meters and 1.2 meters. 6. The hybrid shaft according to claim 2 wherein the rovings are oriented at a winding angle of 10° to 15° with respect to the longitudinal direction of the hollow shaft. 7. The hybrid shaft according to claim 1 , wherein the transition section has a length of 5 to 10 centimeters. 8. The hybrid shaft according to claim 1 , wherein the continuously curved transition has a concave curvature radius has a value of between 0.8 meters and 1.2 meters. 9. The hybrid shaft according to claim 1 , further comprising: a crash element configured to absorb deformation energy in the longitudinal direction of the hollow shaft.
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- What does patent US9920786B2 cover?
- A hybrid shaft is provided, particularly a hybrid shaft for a vehicle, for transmitting a torque. The hybrid shaft includes a hollow shaft made of metal, wherein the hollow shaft has at least one reinforcement layer made of fiber-reinforced plastic on an outer surface of the hollow shaft in at least one reinforcement section. The hollow shaft has an external diameter varying in a longitudinal d…
- Who is the assignee on this patent?
- Bayerische Motoren Werke Ag
- What technology area does this patent fall under?
- Primary CPC classification F16C3/026. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 20 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).