Ring spinning or ring twisting machine

Details Ring spinning or ring twisting machine Ring spinning or ring twisting machine

1989-05-25

1990-08-14

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Driving

57 97, 57100, D01H 1244, D01H 126

Patent

active

049476343

ABSTRACT:
In a ring spinning or ring twisting machine the spindles of which each have an asynchronous motor as drive means, and the auxiliary apparatus thereof are driven by at least one electric motor having variable rotational speed, and the ratio of the rotational speeds of the electric motor driving the auxiliary apparatus and the asynchronous motors remains constant, a reluctance motor is used to drive the auxiliary apparatus. Two converters are used which are controlled in such a manner that the speed ratio remains constant.

REFERENCES:
patent: 3738095 (1973-06-01), Lohest
patent: 4161862 (1979-07-01), Hartmannsgruber et al.
patent: 4254615 (1981-03-01), Adolf et al.
patent: 4314388 (1982-02-01), Hartmannsgruber et al.
patent: 4336684 (1982-06-01), Hartmannsgruber et al.
patent: 4646391 (1987-03-01), Wolf
"Reluctanzmotoren" in Feinwerktechnik, Rororo Techniklexikon, Deutscher Verlag-Nstalt GmbH, Stuttgart, FRG, 1968, Bank 5, p. 870.

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