Auxiliary gearset shift progression command generator for a swap-shift automatic transmission
US7107135B2 · kind B2 · utility
9Cited by
22References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2003 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | Mar 20, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/201
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A target command generator for use in a control system for an automatic transmission having a simple planetary gearset in series with a multiple-ratio gearset, the target command generator providing input for a controller for the simple planetary gearset to achieve synchronized control of pressure operated friction elements of the gearsets to effect smooth swap-shifts during an overall transmission ratio change.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.