Integral series parallel and power brake controller for a transi

Details Integral series parallel and power brake controller for a transi Integral series parallel and power brake controller for a transi

1986-07-18

1987-09-29

Roskoski, Bernard

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Plural, diverse motor controls

318 83, 318111, H02P 767

Patent

active

046971246

ABSTRACT:
An integral series parallel changeover and power dynamic brake controller apparatus for a transit vehicle disclosed. The controller utilizes a single cam shaft to operate switches for the series parallel function and the power brake function. The apparatus includes a cam shaft return spring which is latched out during normal operation. Upon a power failure the spring is released. An escapement mechanism is provided to slow the rotation of the cam shaft upon the spring being released to provide for desirable sequential operation of the power circuit.

REFERENCES:
patent: 665350 (1901-01-01), Shipman
patent: 708962 (1902-09-01), Henry
patent: 749271 (1904-01-01), Dodd
patent: 3184664 (1965-05-01), Cunningham et al.
patent: 3305712 (1967-02-01), Hoffman

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