Liquid purification or separation – Flow – fluid pressure or material level – responsive
Patent
1976-11-12
1979-01-30
Granger, Theodore A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
210400, 210406, 210416R, B01D 2902
Patent
active
041371690
ABSTRACT:
A liquid filtration system for separating contaminants from liquids such as coolants used in maching operations. The invention provides the following: (a) filtration apparatus wherein filtered liquid may be withdrawn at a substantially constant rate from a chamber, although supplied thereto at a variable rate, by means of a level-responsive throttling valve in the line to the vacuum pump; (b) the invention is concerned with filtration apparatus employing parallel endless chains with transverse flights which support and transport a strip of filter material in such a way that the length remains constant (i.e., the material is not stretched or contracted) although the chains and material follow a longitudinally curved path; (c) means for scavenging liquid from the filter cake of contaminants which collect on the surface of a movable filter element; (d) cooperative mechanical and liquid means for maintaining a seal at the lateral edges of a conveyor and strip of filter material which separate a vacuum chamber from atmospheric pressure; and (e) a method for separating both floating and non-floating contaminants by providing liquid to a filtration chamber at a faster rate than it is removed through a perforate filter element upon which the non-floating contaminants are deposited, thereby producing an overflow of liquid and floating contaminants which is collected and skimmed.
REFERENCES:
patent: 2664203 (1953-12-01), Crane et al.
patent: 2665812 (1954-01-01), Crane
patent: 3332553 (1967-07-01), Cassan
patent: 3426908 (1969-02-01), Daus et al.
patent: 3464563 (1969-09-01), Dahlem et al.
patent: 3618772 (1971-11-01), Dietrick
patent: 3690466 (1972-09-01), Lee et al.
patent: 3704787 (1972-12-01), Norton
patent: 3876547 (1975-04-01), Kaess
patent: 3912632 (1975-10-01), Winzon
Filter Tech Inc.
Granger Theodore A.
Mc Guire Charles S.
LandOfFree
Liquid filtration system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Liquid filtration system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid filtration system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1149510