Conveyors: fluid current – Pulsing fluid current
Patent
1992-04-24
1993-04-13
Marmor, Charles A.
Conveyors: fluid current
Pulsing fluid current
406 93, 406151, 406192, 15404, 417306, 251121, 37317, 37320, 37321, B65G 5366, B65G 5324
Patent
active
052018776
ABSTRACT:
A suction transporting device for transporting a material has a suction unit, a transporting line connected with the suction unit and having an inlet for receiving a material to be transported and an outlet for discharging the material to be transported and a unit for modulating a suction force of a suction produced in the transporting line by the suction unit, the modulating unit including a passage adapted to communicate the interior of the transporting line with atmosphere, an adjusting element operative for adjusting an initial area and shape of a minimal cross-section of the passage, and a valve mechanism including a drive, a speed controller for controlling a speed of the drive, and a valve body connected with the drive and cooperating with the passage so that when the valve body is displaced by the drive, an initial area and shape of the minimal cross-section of the passage is periodically changed.
REFERENCES:
patent: 1106231 (1914-08-01), Marshall
patent: 1508521 (1924-09-01), Kreuser
patent: 2096595 (1937-10-01), Sanford
patent: 2644400 (1953-07-01), Hofer
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patent: 3039463 (1962-06-01), Dickey, Jr. et al.
patent: 3107386 (1963-10-01), Mandin
patent: 3109377 (1963-11-01), Hofer
patent: 3111778 (1963-11-01), Fonnesbeck
patent: 3263615 (1966-08-01), Hofer
patent: 3301606 (1967-01-01), Bruno
Milstein Anatole
Relin Arkadi
Kannofsky James M.
Marmor Charles A.
Zborovsky I.
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