Cyclone separator
Patent 4722796 Issued on February 2, 1988. Estimated Expiration Date: 
December 24, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 24, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesCyclone separator Cyclone separator Cyclone separator Patent #: 4576724 InventorsApplicationNo. 06/812991 filed on 12/24/1985US Classes:210/512.1, TANGENTIAL FLOW OR CENTRIFUGAL FLUID ACTION209/727, Including oppositely directed axial flows around evacuated core (e.g., hydrocyclone having reverse free-vortexes formed, etc.)55/447Fixed gas whirler or rotator meansExaminersPrimary: Fisher, Richard V.Assistant: Millard, Wanda L. Attorney, Agent or FirmInternational ClassesB04C 5/00 (20060101)B04C 5/13 (20060101) B04C 5/081 (20060101) Foreign Application Priority Data1981-06-25 GBAbstractA cyclone separator for removing oil from seawater, the oil being up to a few percent of the volume, is proportioned as follows, symbols having the meaning shown on the Figure, a notable feature being the smallness of do, the overflow: 10ࣘ12 /d2 ࣘ25; 0.04<4Ai /πd12 ࣘ0.10; do /d2 <0.1; d1 >d2 ; d2 >d3. The half-angle of the convergence of the taper T2 is from 20' to 2°. | |
