Gas separation – Plural serial basically diverse separating media – At least one mounted for continuous motion
Patent
1991-04-18
1992-10-13
Nozick, Bernard
Gas separation
Plural serial basically diverse separating media
At least one mounted for continuous motion
55466, 55473, 55485, 55406, 55403, B01D 4600
Patent
active
051547430
ABSTRACT:
A grease extractor includes a fan for forcibly flowing grease laden air to remove grease therefrom in cooperation with a membrane filter and a trap member. The grease extractor comprises a vessel with an inlet for introduction of the grease laden air and an outlet for discharging clear air removed of the grease. The membrane filter is disposed in a flow path between an inlet and an outlet of the extractor to seize the grease while passing the grease laden air therethrough. A trap member is disposed downstream of the membrane filter to deflect the air to cause collision of the grease laden air against the trap member to deposit the grease thereon. The trap member is formed with a recovery line for collecting and draining the deposit grease out of the vessel. The membrane filter is thin enough such that relatively small grease particles once seized in the membrane filter are allowed to move by the action of the forced flow to the downstream surface of the membrane filter and coagulate thereat into greater grease particles. Such greater grease particles are then caused to leave from the membrane filter by the force air flow so as to be again carried on the air flowing toward the trap member. The air carrying the greater grease particles is brought into collision with the trap member to efficiently deposit the grease on the trap member for recovery thereof, while leaving clean air to be discharged out of the vessel.
REFERENCES:
patent: 1075736 (1913-10-01), Spiegel
patent: 1114058 (1914-10-01), Spencer
patent: 2188031 (1940-01-01), Brock
patent: 4189310 (1980-02-01), Hotta
patent: 4908050 (1990-03-01), Nagashima et al.
patent: 4922691 (1990-05-01), Shen
Higashino Toshihiro
Takato Takashi
Kuraco Limited
Nozick Bernard
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