Self-purging screen changer and strainer plate

Details Self-purging screen changer and strainer plate Self-purging screen changer and strainer plate

1975-11-03

1976-09-28

Smith, Robert I.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

277 12, B01D 3500, B29F 301

Patent

active

039830381

ABSTRACT:
A screen changer having a replacement strainer plate in sealing engagement with a sealing plate and grooves in the engaged surfaces of the strainer plate and the sealing plate for communicating extruded material from the changer opening to the central strainer portion of the replacement strainer for prefilling and purging the strainer of air. The grooves are closed in the storage position of the strainer plate and opened in a preliminary change position for purging the strainer. The strainer has a venting space at one side of the central strainer portion which is in communication with a vent in a cover plate for venting air from the replacement strainer as it is being prefilled with the extruded material.

REFERENCES:
patent: 2822197 (1958-02-01), Champ et al.
patent: 3675934 (1972-11-01), Heston
patent: 3743101 (1973-07-01), Schmidt

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