Communications: electrical – Continuously variable indicating – Plural transmitters
Patent
1989-03-09
1991-05-21
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
Plural transmitters
340439, 340461, 3644241, G06F 314, B60Q 100
Patent
active
050179160
ABSTRACT:
A shift prompter/driver information display for a highway truck is disclosed. The display is operable to cruising, prompting, and shifting modes of operation. In the cruising mode of operation the driver of the vehicle can select, via a set of keypad switches, information about the vehicle's operation that he desires to see presented on a multi-digit decimal readout of the display. Information concerning fuel economy, engine speed, vehicle speed, travel time, travel distance and engine hours can be selected. In the prompting mode of operation the display indicates that operation of the transmission to a different gear is appropriate. The shifting mode commences when the driver initiates a shift to a different gear. In the shifting mode the target gear to which the transmission should be shifted is presented on the display. Additional displays are included to aid the driver in completing the shifting procedure and these involve indicating when the engine speed is substantially equal to the synchronous meshing speed of the target gear. One of these is a linear analogue display that is associated with the digital display and is operational in both the cruising mode and in the shifting mode; in the shifting mode it indicates approach of engine speed to synchronous meshing speed, and in the cruising mode it indicates actual fuel economy relative to a desired fuel economy goal.
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Kruse James W.
Londt Edward E.
Lau Yuk H.
Navistar International Transportation Corp.
Sullivan Dennis K.
Yusko Donald J.
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