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| Number | Title | Issue Date |
| 7172528 | Transfer case with overdrive/underdrive shifting A transfer case for a vehicle that includes a planetary gear assembly, a clutch pack assembly, and a band and drum assembly that provide an overdrive or underdrive and direct drive in combination with a vehicle transmission. In one embodiment, an input shaft drives ... | 02/06/2007 |
| 7066305 | Brake bands for an automatic transmission and method for controlling a gear shift in automatic transmission and feedback loop control system A brake band shifting mechanism for an automatic transmission. The brake band shifting mechanism includes a brake band encircling a brake drum of the transmission. A first end of the brake band is mounted to a secured portion of the transmission by a first linkage a... | 06/27/2006 |
| 7052430 | Transmission with friction launch mechanism A powertrain includes a power transmission having an input shaft continuously connected directly between an engine and a planetary gear member of a first planetary gearset. Another member of the planetary gearset is selectively grounded by a torque transmitting mech... | 05/30/2006 |
| 5902213 | Shift control device for automatic transmission In an automatic transmission including a gear unit with a second brake connected in series with a one-way clutch and a first brake that is not connected with a one-way clutch, the second brake and the first brake are controlled by linear solenoid valves i... | 05/11/1999 |
| 5638933 | Clutch device This clutch device has a first cam mechanism and a second cam mechanism disposed on a relatively rotatable a pair of members. When the first cam mechanism is pushed by a piston to one of the pair of members rotating in a direction, the first cam mechanism... | 06/17/1997 |
| 5588928 | Self-synchronizing brake band actuating system for automatic change speed transmissions A friction brake band actuating system for automatic transmissions operative for obtaining smooth self-synchronized freewheeler type shifts without the use of one-way roller or sprag clutches. The band functions normally like a conventional brake band pro... | 12/31/1996 |
| 5207123 | Electrohydraulic control for an automatic transmission The invention relates to an electrohydraulic control for an automatic transmission of a motor vehicle. In order to be able to utilize, in the coasting operation of the motor vehicle in the driving position D of the automatic transmission, also the first g... | 05/04/1993 |
| 5106348 | Bi-directional multi-mode clutch for change-speed transmission unit for automatic change speed transmissions This bi-directional clutch combines the functions of two separate opposite acting clutching systems, each consisting of a one-way roller or sprag clutch and an in-series coupled multi-plate friction unit. The clutch is operative regardless of direction of... | 04/21/1992 |
| 4360092 | Gearshift method and apparatus In first gear, a brake band prevents one gear of the planetary gearing of an automatic transmission from rotating. In second gear, a clutch causes this gear to rotate as a unit with the drive and driven shaft of the transmission. For an upshift under load... | 11/23/1982 |
| 4324321 | Automatic transmission for automobiles An automatic transmission for automobiles having a gear means, a clutch and a brake, the engagement and disengagement of the clutch and the brake being changed over for shifting speed stages, wherein one of the mutually engageable friction elements of the... | 04/13/1982 |
| 4225029 | Automatic transmission for automobiles An automatic transmission for automobiles having a gear means, a clutch and a brake, the engagement and disengagement of the clutch and the brake being changed over four shifting speed stages, wherein one of the mutually engageable friction elements of th... | 09/30/1980 |
