Curved duct separator for removing particulate matter from a car

Details Curved duct separator for removing particulate matter from a car Curved duct separator for removing particulate matter from a car

1979-11-15

1981-09-29

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 73, 55 90, 55440, 55461, 55269, B01D 4512

Patent

active

042920507

ABSTRACT:
A separator for separating micron and submicron sized particles from a carrying gas, is disclosed. A carrier gas contains a component which is capable of condensation in the separator. The carrier gas is accelerated and flows at high velocity in a duct. The lower limit of the high velocity is approximately Mach 1.0. Due to the acceleration to the high velocity the static temperature of the carrying gas decreases. As a result, the condensable component condenses on micron and mainly on submicron sizes particles which act as nucleation sites. Liquid droplets formed during the condensation are in the micron size range. The paths of the high velocity flow of the carrier gas and of the solid and liquid particles carried therein is influenced by a combination of a centrifugal force and an oblique shock zone which is created within the high velocity flow. As a result, the particles travel a different path than the carrying gas and are effectively captured and disposed by an appropriately positioned receiving member.

REFERENCES:
patent: 2468607 (1949-04-01), Schneikle
patent: 2696911 (1954-12-01), Umney
patent: 3509932 (1970-05-01), Chambers
patent: 3710561 (1973-01-01), Garrone
patent: 3755990 (1973-09-01), Hardison
patent: 3972696 (1976-08-01), Angelillo
patent: 4147534 (1979-04-01), Hori
Linhardt-Investigation of High Velocity Wedge Separator for Particle Removal, Airco Cryogenics Irvine, Calif., D.O.E. Contract EF-77-C-01-2709.

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