Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Reexamination Certificate
2007-06-05
2007-06-05
Camby, Richard M. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
C701S023000, C701S024000, C701S117000, C104S300000
Reexamination Certificate
active
11416418
ABSTRACT:
Power switching apparatus for an electrically driven vehicle drawing power from a plurality of spaced apart ground disposed busses separated by insulators. The apparatus employs a pair of contacts for routing power from the busses to the vehicle motor, the speed of which is controlled by the power frequency presented at each successive buss as the vehicle proceeds on its journey. The contacts are serially positioned one after another with respect to the line of travel of the vehicle and are joined together by a switching mechanism which senses the power status of each contact at any particular moment. Power is transferred to the vehicle motor through one contact or the other in accordance with a selected sequence of operation. Voltage arcing and power lapse conditions are substantially alleviated by this arrangement.
REFERENCES:
patent: 3687082 (1972-08-01), Burke, Jr.
patent: 6169954 (2001-01-01), McCrary
patent: 6198994 (2001-03-01), McCrary
patent: 7142957 (2006-11-01), Burke, Jr.
Brandt John M.
Camby Richard M.
HBB Assets, Ltd.
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