Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent
1980-12-31
1983-04-05
Smith, Jr., David
Electricity: motive power systems
Braking
Automatic and/or with time-delay means
250231SE, 250561, H02P 516
Patent
active
043792553
ABSTRACT:
A controller with at least one switch or a plurality of switches e.g. in the form of a power switchgroup for controlling an electric drive motor in a vehicle wherein a set point selector consists of a mask that is rigidly connected or interchangeably attached to an actuating member of the controller, the mask is adapted to provide a predetermined set point characteristic in cooperation with control elements that are connected to an input of an electronic circuit which includes a second input to which are connected means for varying a reference voltage at the output of the electronic circuit and the control range of the set point characteristic. The control elements cooperating with the mask may consist of an opto-electronic transmitter-receiver device.
REFERENCES:
patent: 3767992 (1973-10-01), Edwards et al.
patent: 3808485 (1974-04-01), Sakai et al.
patent: 3818199 (1974-06-01), Jones
patent: 4028597 (1977-06-01), Dalaney et al.
patent: 4057752 (1977-11-01), Artrip et al.
patent: 4066939 (1978-01-01), Joyes
patent: 4105938 (1978-08-01), Mathews, Jr.
Hellmig Udo-Frank
Klose Hans-Joachim
Jungheinrich Unternehmensverwaltung KG
Smith Jr. David
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