Boots – shoes – and leggings
Patent
1995-04-10
1996-06-11
Teska, Kevin J.
Boots, shoes, and leggings
36442401, 36442403, 36443103, 36443104, 477 97, 477 37, 477 44, 477 63, 477110, 477111, 192 33, 192 354, 74335, 74336R, 74359, 74329, G06G 770, B60K 4112, F16H 5900
Patent
active
055262619
ABSTRACT:
An electronic transmission control system for a self-propelled off-road vehicle having an internal combustion engine and multiple gear powershift transmission controls the powershift transmission and provides the at least on control signal to the engine for selecting the speed at which the engine is to operate. The system preferably includes a first electronic controller that provides transmission control signals required to command the powershift transmission to shift to and operate in any particular one of its forward gears, and a second electronic controller that provides at least one engine control signal required to command the engine to operate at one of a number of different desired engine speeds and to monitor the actual engine speed. By use of gear ranges which overlap slightly, and a throttle that is infinitely adjustable within a range of engine speeds, any given ground speed within the range of possible vehicle speeds can be achieved and maintained, as long as the engine is operating within its overall power envelope. The system also supports a pseudo-gear mode where the operator interface indicates there are more gears in the transmission than actually exist.
REFERENCES:
patent: 3628642 (1971-12-01), Ravenel
patent: 4320381 (1982-03-01), Olivier
patent: 4353272 (1982-10-01), Schneider et al.
patent: 4913004 (1990-04-01), Panoushek et al.
patent: 5017916 (1991-05-01), Londt et al.
Batcheller Barry D.
Brekkestran Kevin L.
Kallis Adrian G.
Needham Charles D.
Louis-Jacques Jacques H.
Phoenix International Corporation
Teska Kevin J.
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