System for regulating the traveling speed of a motor vehicle
US4157126A · kind A · utility
Inventor
Key dates
| Filing date | Nov 25, 1977 |
| Grant date | Jun 5, 1979 |
| Priority date | — |
| Expiry date | Nov 25, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for regulating the traveling speed of a motor vehicle includes a comparator producing an output signal corresponding to the difference between a sensed speed signal and a reference speed signal, a control device responsive to the output signal from the comparator for controlling the proportion of fuel-air mixture supplied to an engine in the motor vehicle, and a selective delay circuit coupled between the comparator and the control device for delaying the supply of the output signal from the comparator to the control device when the amplitude of the output signal is above a predetermined level and for supplying output signals having an amplitude below the predetermined level directly to the control device such that the system will respond quickly to variations in sensed speed occurring from normal load conditions while providing a smooth transition when the desired speed is changed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.