Linear drive unit for cleaning filters

Details Linear drive unit for cleaning filters Linear drive unit for cleaning filters

1987-08-13

1988-07-05

Hart, Charles

Gas separation

With nonliquid cleaning means for separating media

With sequential cleaning of plural units

55302, B01D 4604

Patent

active

047551992

ABSTRACT:
A linear drive unit is proposed of a device (10) for cleaning of filtered fluids in particular, whereby the compressed air required for cleaning is emitted via a nozzle bar (21, 23). The nozzle bar (21, 23) extends from a cylinder (18) suppliable with compressed air and being movable along a piston rod passing (16) through the faces of the cylinder, said piston rod being enclosed by a partition wall (26) arranged stationary and dividing the cylinder interior into two chambers (28, 30). To supply the chambers (28, 30) with compressed air, the piston rod (16) is designed hollow in sections for the fluid to flow through, with each chamber being associated with a hollow section (32, 34) of the piston rod and having connections (42, 44) leading to it.

REFERENCES:
patent: 3841065 (1974-10-01), Espeel
patent: 4299597 (1981-11-01), Detiker et al.
patent: 4432778 (1984-02-01), Porkinson et al.
patent: 4674278 (1987-06-01), Rognon

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