Multi-speed transmission
US-9217494-B2 · Dec 22, 2015 · US
Multi-speed transmission
US8968145B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8968145-B2 |
| Application number | US-201313849567-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 25, 2013 |
| Priority date | Apr 4, 2012 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and at least one reverse gear ratio.
First claim
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The invention claimed is: 1. A transmission comprising: an input member; an output member; first, second, third and fourth planetary gear sets each having first, second and third members, wherein the input member is continuously connected for common rotation with the first member of the first planetary gear set; a first interconnecting member continuously interconnecting the second member of the first planetary gear set with the first, member of the third planetary gear set; a s…
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Frequently asked questions
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- What does patent US8968145B2 cover?
- A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ra…
- Who is the assignee on this patent?
- Gm Global Tech Operations Inc, Gm Global Tech Operations Inc
- What technology area does this patent fall under?
- Primary CPC classification F16H3/66. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 03 2015 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).