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US-9212706-B2 · Dec 15, 2015 · US
Torque converter clutch slip control systems and methods based on active cylinder count
US8979708B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8979708-B2 |
| Application number | US-201313798384-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 13, 2013 |
| Priority date | Jan 7, 2013 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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Abstract
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A torque converter clutch control system of a vehicle includes a target slip module and a slip control module. The target slip module determines a target torque converter clutch slip based on an average number of activated cylinders of an engine during a predetermined period. The slip control module controls a torque converter clutch based on the target torque converter clutch slip.
First claim
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What is claimed is: 1. A torque converter clutch control system of a vehicle, comprising: a target slip module that determines a target torque converter clutch slip based on an average number of activated cylinders of an engine during a predetermined period; a slip error module that determines a slip error based on a difference between the target torque converter clutch slip and a slip of the torque converter clutch; and a slip control module that controls a torque converter c…
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Frequently asked questions
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- What does patent US8979708B2 cover?
- A torque converter clutch control system of a vehicle includes a target slip module and a slip control module. The target slip module determines a target torque converter clutch slip based on an average number of activated cylinders of an engine during a predetermined period. The slip control module controls a torque converter clutch based on the target torque converter clutch slip.
- Who is the assignee on this patent?
- Gm Global Tech Operations Inc
- What technology area does this patent fall under?
- Primary CPC classification F16D33/18. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 17 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).