Leading sheave mine winding engine with improved cooling air...

Details Leading sheave mine winding engine with improved cooling air... Leading sheave mine winding engine with improved cooling air...

2005-09-08

2008-11-18

Marcelo, Emmanuel M (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

Reexamination Certificate

active

07451963

ABSTRACT:
The invention relates to a Koepe winder or drum winder comprising an electric motor (5) for driving winding ropes (11). The rotor (6) of said motor is connected to the cylinder jacket (4) of the Koepe winder (2) and the stator frame (7) is fixed on a support structure that has a hollow shaft (3). The winder is characterised by an improved ventilation system. The motor (5) is located inside the cylinder jacket (4) in a cavity (12) between the plates (13) of the Koepe winder (2), said cavity being supplied with cooling air to ventilate the motor (5) from the exterior The hollow shaft (3) is formed by two half-shafts (18, 19), which together with at least one support disc (8) and the stator frame (7) form the support structure (10).

REFERENCES:
patent: 4355785 (1982-10-01), Tosato et al.
patent: 5018603 (1991-05-01), Ito
patent: 5098068 (1992-03-01), Jussila
patent: 4222094 (1993-11-01), None
patent: 4405593 (1995-07-01), None

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