Suspension type damper unit, suction type powder collector,...

Details Suspension type damper unit, suction type powder collector,... Suspension type damper unit, suction type powder collector,...

2005-02-23

2008-09-09

Hopkins, Robert A. (Department: 1797)

Gas separation

Residue access, handling or removing means

With movable or manipulable means controlling escape of residue

C414S288000

Reexamination Certificate

active

07422616

ABSTRACT:
A suspension type damper unit, a suction type powder collector and an air mixing suction type powder collector are disclosed, which have a cover plate suspended at a material discharge port thereof with a suspension member so as to form a space for the material discharge port. In these apparatus, the cover plate functions to close the material discharge port by receiving suction force by which a powdered material is fed into the material collector and opens the material discharge port by receiving the weight of the specified amount of the powdered material which is stored in the material collector.

REFERENCES:
patent: 4081110 (1978-03-01), Evans
patent: 4947903 (1990-08-01), Beckwith
patent: 6111211 (2000-08-01), Dziedzic et al.
patent: 33 27 461 (1985-02-01), None
patent: 40 38 901 (1991-07-01), None
patent: 1 433 954 (1976-04-01), None
patent: 2 091 671 (1982-08-01), None

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