Henry Filters, Inc.

Ted W Guelde

Stephen N McEwen

John L Creps

Eugene H Harms

Robert J Fox

A reservoir of liquid having a false bottom forming a lower chamber of reduced pressure produced by a plurality of removable pumps suspended in apertures in said false bottom, each of which apertures is provided with a two-piece receptor and check valve assembly; the receptor of which forms a guide and hydraulic slip-fit for the lower intake end of its pump and the other part below said receptor extends into said reduced pressure chamber comprises a cylindrical housing with a check valve at its lower end to close off that aperture to the reduced pressure chamber when its pump is not running or has been removed for repair.

Check valve and pump receptor assembly

The disclosure concerns an apparatus for separating various sizes, shapes, and textures of solid particles from a liquid, comprising: a settling tank having an elongated ramp at one end with a scraper flight conveyor, driven at the upper end of the ramp, to scrape settlings from the bottom of the tank up the ramp out of the tank; and at least one cylindrical rotatable filter drum assembly snapped between spaced rigid guide and supporting brackets in the tank. An axial end of the filter drum has a ball duct seating in a socket duct connected to the intake of a continuously-operating pump for circulating filtered liquid to the machine tools with a bypass into a clean tank that overflows into the settling tank. The other end of the filter drum assembly is axially outwardly resiliently pressed, such as by a spring against an opposite wall of the tank, to urge the ball and socket joint together. Flexible handle brackets are provided at opposite ends of the filter drum assembly for easy and quick manual removal of the filter drum for cleaning and/or replacement. Timer and/or sensor controlled reciprocation motors are used for operating the conveyor, and for intermittantly rotating or indexing the cylindrical filter drum against a doctor blade to remove the cake built up upon its perforated cylindrical surface. A large bypass valve is opened between the clean tank and the suction duct to the pump when the filter drum is indexed to relieve the suction filter.

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Deshler, OH, United States of America

Ted W Guelde