Process and apparatus for realizing safe start-up shifting and energy saving idling of motor vehicles providing with automatic transmission
This patent describes apparatus for the safe start-up shifting of a motor vehicle of the type having an internal combustion motor, an automatic transmission, a transmission control means, and a manual fuel control movable from an idle position through variable running positions. It comprises: a first sensor for detecting engine rotational speed, a second sensor for detecting vehicle motion, a third sensor for detecting the position of the fuel control, a fourth sensor for detecting the actuated condition of the transmission control means, a first control device responsive to the first sensor sensing an idle speed condition of the engine, together with the second sensor detecting vehicle motion below a first predetermined speed, together with the third sensor sensing an idle position of the fuel control, to generate a shift-enabling signal, a shift control device responsive to detecting a forward or reverse condition of the transmission control means for generating a control signal, shift output control means responsive to the simultaneous existence of the shift-enabling and the control signals, together with the actuation of the fuel control to a running position, to generate a shift output command signal for actuating the automatic transmission into a selected forward or reverse condition.
- Assignee:
- Csepel Autogyar, Szigetszenmiklos
- Patent Number(s):
- A; US 4891758
- Application Number:
- PPN: US 7-146521A
- OSTI ID:
- 6966660
- Country of Publication:
- United States
- Language:
- English
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