Apparatus and process for cleaning filters in a textile machine

Details Apparatus and process for cleaning filters in a textile machine Apparatus and process for cleaning filters in a textile machine

1998-04-02

1999-12-28

Simmons, David A.

Gas separation: processes

Filtering

With cleaning of filter

55283, 55296, 55301, 55501, 96400, 96421, 95 20, B01D 3516, B01D 2964, B01D 35143

Patent

active

060076070

ABSTRACT:
The present invention is concerned with a process for the filtering out of fibers form an air stream, in which process a stripping blade (3), for the purpose of cleaning, is moved along the surface of a filter (2) installed in a vacuum chamber (10). A controlled linear drive (51) is applied to the said stripper blade (3), by which the stripping blade (3) is made movable for the carrying out of a two phase operational motion along a linear path of travel. The end positions are located at opposite sides outside of the surface of the filter (2) in areas (A, B) wherein the stripping plate (3) is without contact with an opposing surface. During the first phase of travel, the fibrous material is scraped from the surface of the filter (2), while during the second phase of travel of the stripping blade (3) the said fibers are pressed against the filter (2) and the stripping plate (3) essentially moves back over the fiber without taking the said fibrous material with it. The low pressure in the filter chamber (12) is measured, and upon a drip in the measured low pressure to a point lower than a specified low pressure, the stripping blade is activated at least one time to carry out the said operational movement.

REFERENCES:
patent: 2596518 (1952-05-01), Bahnson, Jr.
patent: 2609064 (1952-09-01), King, Jr.
patent: 2689020 (1954-09-01), Hersey, Jr.
patent: 3997936 (1976-12-01), Smith, Jr. et al.
patent: 4006033 (1977-02-01), Schewe
patent: 4737172 (1988-04-01), Halder
German Patent Office Search Report, Sep. 1, 1997.

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