Method and apparatus for adding additional D.C. motors and contr

Details Method and apparatus for adding additional D.C. motors and contr Method and apparatus for adding additional D.C. motors and contr

1986-06-16

1987-08-04

Shoop, Jr., William M.

Electricity: motive power systems

Generator-fed motor systems having generator control

307 69, 307 84, 307 86, 322 14, H02J 400, H02P 900

Patent

active

046848541

ABSTRACT:
A control system for a material handling device such as a drag line in which additional power required for a first motion, such as hoisting, may be obtained from the power source for a second motion such as drag and conversely additional power for the second motion may be obtained from the power available for the first motion under specified conditions.

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patent: 4136286 (1979-01-01), O'Halloran et al.
patent: 4284265 (1981-08-01), Morrow, Sr.

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