1
James Dyson: Vacuum cleaning apparatus. Prototypes, Ian C McLeod, May 2, 1989: US04826515 (124 worldwide citation)

A cleaning apparatus including cyclones (11, 52, 81, 107) connected to a uniquely configured receiving chamber (12, 53, 99, 112) is described. The chamber has a diameter furthest from the cone opening (32, 75, 98, 118) at least 3 times the diameter of the cone opening such that dirt is not re-entrai ...


2
Jan D Miller: Air-sparged hydrocyclone and method. University of Utah, July 21, 1981: US04279743 (118 worldwide citation)

An air-sparged hydrocyclone apparatus and method, the apparatus including a substantially hollow, cyclone body having a cylindrical section and a downwardly oriented conical section. An inlet, an overflow and an underflow are also provided in the cyclone body. At least a portion of the wall of the c ...


3
Jan D Miller, Ye Yi: Air sparged hydrocyclone flotation apparatus and methods for separating particles from a particulate suspension. University of Utah, Workman Nydegger & Jensen, June 13, 1989: US04838434 (78 worldwide citation)

The present invention is directed to air sparged hydrocyclone flotation apparatus and methods for separating particles from particulate suspensions (such as coal and mineral ore slurries), wherein fluid discharge is removed annularly from a flotation vessel. Preferably, the flotation apparatus inclu ...


4
McNeil John A: Cyclonic separator. Parmelee Miller Welsh & Kratz, August 5, 1975: US3898068 (78 worldwide citation)

An in-line wet steam or entrained effluent separator of improved efficiency under varied load conditions is provided that employs a perforated or screen-like, downwardly converging, frusto-cone shaped separator basket in a lower portion of the separator for maximizing the efficiency of its centrifug ...


5
Jan D Miller, David J Kinneberg: Flotation apparatus and method. University of Utah, Workman Nydegger & Jensen, May 17, 1988: US04744890 (74 worldwide citation)

Flotation apparatus and methods for separating particles from particulate suspensions such as coal and mineral ore slurries, wherein fluid discharge is removed annularly from a flotation vessel. Preferably, the flotation apparatus includes a vertically oriented, cylindrical flotation vessel having a ...


6
Dehne Manfred F: Cyclone separator. Pravel Wilson & Matthews, April 9, 1974: US3802570 (65 worldwide citation)

A cyclone separator including improved means for stabilizing a fluid vortex created within the cyclone housing in order to improve separation efficiency and prevent reentrainment of particles into cleaned fluid.


7
Gammack Peter David, Ganderton Michael David: Apparatus for separating particles from a fluid flow. Notetry, Dyson, October 3, 2001: GB2360719-A (63 worldwide citation)

Apparatus for separating particles from a fluid flow comprises an upstream cyclonic separator 12 and a plurality of downstream cyclonic separators 26 arranged in parallel with one another. Each of the downstream cyclonic separators 26 projects, at least in part, into the interior of the upstream cyc ...


8
Oh Jang Keun, Park Kgu Chang, Ko Jang Youn: Cyclone vacuum cleaner with overlapping particle receptacle. Samsung Kwangju Electronics Co, February 20, 2002: GB2365324-A (61 worldwide citation)

A vacuum cleaner includes a cyclonic dust separator 7 comprising a generally cylindrical hollow cyclone body 11, a tangential air inlet port 17a, an axially located clean air exhaust port 17b, and a circumferentially located contaminant outlet 11c associated with a cyclone lower end wall, and an ent ...


9
Robert J Fahrig, Lansing M Hinrichs: Fluid catalytic cracking apparatus having riser reactor and improved means associated with the riser reactor for separating cracked product and entrained particulate catalyst. Standard Oil Company, Lansing M Hinrichs, William T McClain, William H Magidson, December 21, 1982: US04364905 (60 worldwide citation)

An apparatus for the fluid catalytic cracking of hydrocarbons having a riser reactor with structure at its lower end for introduction of hydrocarbon feedstock and particulate catalyst and having its upper end opening into a separator vessel. A flow reversal structure attached to a downwardly directe ...


10


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