Filter holding means

Details Filter holding means Filter holding means

1976-08-30

1977-08-16

Granger, Theodore A.

Liquid purification or separation

Structural installation

Separator ancillary to storage tank

210232, E03B 1100

Patent

active

040425088

ABSTRACT:
The invention is concerned with an improvement in a hydraulic reservoir which comprises a tank having internally thereof filter means attached longitudinally between a first and a second generally parallel side thereof, said filter means including generally tubular filter element means extending generally longitudinally between said first and second side of said tank and means for introducing a hydraulic fluid from an exterior of said tank to an interior of said element means from adjacent said first side of said tank. The improvement comprises a tube within said tank surrounding said element means and extending longitudinally generally the length thereof, said tube including exit means therethrough through which said hydraulic fluid passes after passage thereof from the interior to an exterior of said element means, a first end of said tube sealing adjacent said second side of said tank and a second end of said tube sealing adjacent said first side of said tank. Also part of the improvement is an opening through the second side of the tank to an interior of the tube adjacent the first end thereof sized to allow entry of the element means to the interior of the tube. Cover means are provided sealingly attachable over the opening and attachable longitudinally through the tube to adjacent the first side of the tank. Extending means extend from the cover means toward the first side of the tank within the tube. Compressible spring means supported by the extending means compress the element means toward adjacent the first side of the tank. Means are also provided for preventing the spring means from sliding away from the extending means.

REFERENCES:
patent: 2220706 (1940-11-01), Cantin
patent: 2811218 (1957-10-01), Winslow
patent: 3161589 (1964-12-01), Burckhalter
patent: 3476252 (1969-11-01), Kudlaty
patent: 3653512 (1972-04-01), Brown
patent: 3750888 (1973-08-01), Rinaldo
patent: 3883430 (1975-05-01), Codo
patent: 3900400 (1975-08-01), Whitfield
patent: 3928201 (1975-12-01), Junck et al.
patent: 3959141 (1976-05-01), Johnson

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