Textiles: weaving – Miscellaneous – Loom cleaning
Patent
1994-10-12
1996-06-04
Falik, Andy
Textiles: weaving
Miscellaneous
Loom cleaning
318140, 318151, D03D 5100
Patent
active
055224342
ABSTRACT:
An apparatus and method for actuating a drive member in a weaving machine comprises a drive unit, connected to a power supply network, for controllably rotating the drive member. The drive unit includes a direct-current operated unit selectively operable both as a direct-current motor and as a direct-current generator. A control unit is provided for generating and supplying to the drive unit at least one control signal for substantially continuously controlling the angular velocity of the drive member in each of its revolutions. According to the present method the control signal further selectively controls the drive unit to operate in first modes where the drive unit operates as a direct-current motor and in second modes where the drive unit operates as a direct-current generator. The drive unit is selectively operable over predetermined portions of a cycle of operation to function either as a motor energized by the power supply network or as a direct-current generator to feed energy back to the power supply network.
REFERENCES:
patent: 4609858 (1986-09-01), Sugita et al.
patent: 5099186 (1992-03-01), Rippel et al.
patent: 5345154 (1994-09-01), King
Falik Andy
Texo AB
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