Abstract: An arrangement for placing auxiliary ropes of hoist gears in a crane, the crane comprising a trolley (1); hoist gears (2) with hoist drums (3) placed in the trolley (1); hoisting ropes (4) arranged on the hoist drums (3); a loading member (7) suspended from the trolley (1) on the hoisting ropes (4) and having sheaves (8) for the hoisting ropes, through which the hoisting ropes pass back to the trolley; four auxiliary gears (10) placed in the trolley (1) for controlling swinging and skewing of the loading member (7) and the load attached thereto; auxiliary ropes (12) arranged on rope drums (11) of the auxiliary gears (10); and sheaves (13) for the auxiliary ropes in the loading member (7), through which sheaves the auxiliary ropes (12) passing diagonally from the rope drums (11) of the auxiliary gears (10) are guided to spaces (14) in the hoist drums reserved for the auxiliary ropes (12).

Abstract: A disk brake motor comprises an electric motor having a housing, an electromagnet, at least one friction surface and a brake wheel which is in contact with the friction surface during braking, the brake wheel including an impeller for drawing in and impelling air so that the air flows tangentially of a surface of the electromagnet into the brake wheel and past the friction surface onto a surface of the housing of the electric motor.