Method for cleaning the filter medium in a suction dryer by focu

Details Method for cleaning the filter medium in a suction dryer by focu Method for cleaning the filter medium in a suction dryer by focu

1995-04-17

1997-08-05

Warden, Jill

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134184, 210785, 310335, B08B 312

Patent

active

056538162

ABSTRACT:
The invention relates to a method for cleaning the filter medium in a suction dryer by means of ultrasound in an essentially continuous operation. According to the invention, the ultrasonic beams emitted from at least one ultrasonic oscillator (1, 12, 22, 36) are focused essentially near to the filter surface (4, 14, 25) of the filter medium, advantageously on the filter surface (4, 14, 25) of the filter medium, in order to create at least one ultrasound focusing zone.

REFERENCES:
patent: 3192418 (1965-06-01), Sansom
patent: 3451260 (1969-06-01), Thurstone
patent: 4260928 (1981-04-01), Salem
patent: 4444146 (1984-04-01), De Witz et al.
patent: 5015929 (1991-05-01), Cathignol et al.
patent: 5039347 (1991-08-01), Hindstrom et al.
patent: 5111805 (1992-05-01), Jaggy et al.
patent: 5477736 (1995-12-01), Lorraine

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