Scraping assembly having angularly offset scraper blades for rem

Details Scraping assembly having angularly offset scraper blades for rem Scraping assembly having angularly offset scraper blades for rem

1995-10-24

1998-03-31

Cooley, Charles E.

Imperforate bowl: centrifugal separators

Rotatable bowl

Including discharge-related structure in nature of static...

210375, B04B 1108

Patent

active

057332380

ABSTRACT:
A scraper assembly for removing the collected solids component of a feed material from an interior wall surface of a centrifugal separator bowl comprises a supporting shaft positioned within the bowl along a vertically disposed longitudinal axis. The supporting shaft is pivotal between a stowed position and an operational position. At least two longitudinally spaced scraper blades are attached to the supporting shaft along the longitudinal axis and are adapted to contact the solids component when the support shaft is in the operational position. An upper scraper blade is angularly offset with respect to the lower scraper blade along the longitudinal axis so that any collected solids component removed by the upper scraper blade may freely drop clear of the lower scraper blade.

REFERENCES:
patent: 689571 (1901-12-01), Berrigan
patent: 717802 (1903-01-01), Berrigan
patent: 1286626 (1918-12-01), Herr
patent: 1542747 (1925-06-01), Verney
patent: 1866499 (1932-07-01), Herr
patent: 2056890 (1936-10-01), Pecker
patent: 2056891 (1936-10-01), Pecker
patent: 2078273 (1937-04-01), Pecker
patent: 4648864 (1987-03-01), Evans et al.
patent: 4652254 (1987-03-01), Matsumoto
patent: 5328441 (1994-07-01), Carr
patent: 5425698 (1995-06-01), Carr

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