Land vehicles – Wheeled – Running gear
Patent
1991-08-15
1992-11-17
Marmor, Charles A.
Land vehicles
Wheeled
Running gear
280709, 280714, B60G 1126, B60G 17056
Patent
active
051637030
ABSTRACT:
A motor vehicle suspension system has a damper with a member rotatable through positions producing separate discrete damping characteristics. Feedback apparatus comprises a contact pad for each position, a brush rotating with the rotatable member, and an electric circuit generating an output voltage in a first voltage range when the brush does not contact a contact pad and in a second range when it does. The output voltage is repeatedly sampled to control a position count. A count control increments the count with the first sample in the second range following a predetermined number of consecutive samples in the first range but prevents further increment of the count until after a predetermined number of consecutive samples in the second range. The rotatable member can thus be stopped immediately upon the first detection of the selected position while the counting control is changed only once in each new position of the rotatable member.
REFERENCES:
patent: 4527676 (1985-07-01), Emura et al.
patent: 4606440 (1986-08-01), Buchanan, Jr. et al.
patent: 4620619 (1986-11-01), Emura et al.
patent: 4746106 (1988-05-01), Fukumura
patent: 4890858 (1990-02-01), Blankenship
patent: 5087868 (1992-02-01), Ishibashi et al.
Denton Gary R.
Hoptry David A.
Petrofes James M.
Shal David A.
General Motors Corporation
Graysay Tamara L.
Marmor Charles A.
Sigler Robert M.
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