B - Operations – Transporting – 04 – B
Patent
B - Operations, Transporting
04
B
233/31
B04B 9/06 (2006.01) B04B 5/00 (2006.01) B04B 5/10 (2006.01) F01M 11/03 (2006.01) F01M 13/04 (2006.01)
Patent
CA 1294593
ABSTRACT DISPOSABLE CARTRIDGES FOR CENTRIFUGAL SEPARATORS Disposable cartridges are described which are formed from thin sheet metal pressings and wherein the base member has integrally-formed nozzles to produce less turbulent flow in the oil jets issuing from the nozzles than in known cartridges. Less turbulent oil flow allows greater oil flow rate for a given nozzle diameter than in known constructions where oil flow is more turbulent. The decreased turbulence promotes greater rotational velocity at a given oil pressure and enhances the efficiency of separation of contaminants from the oil. Disposable centrifugal separator cartridges are described compris- ing a cover member, an inner flow-directing and debris- retaining member, a base member, two bearings, one each associated with the cover member and the base member and wherein the base member is a sheet metal pressing having at least two nozzles formed integrally therein and through which oil leaves the cartridge in a direction so as to produce a reaction force to spin the cartridge, the nozzles being provided in recesses in the base member, the recesses being in the form of smoothly-contoured circumferential troughs of deepening section starting with minimum depth at the beginning of the trough remote from the nozzle and finishing with maximum depth near to the plane in which the nozzle lies.
501635
Fetherstonhaugh & Co.
Filterwerk Mann & Hummel Gmbh
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