Vacuum receiver with positive dump valve control

Details Vacuum receiver with positive dump valve control Vacuum receiver with positive dump valve control

2006-09-12

2006-09-12

Dillon, Jr., Joe (Department: 3651)

Material or article handling

Static receptacle and means for charging or discharging, or...

C406S171000, C222S504000, C141S302000

Reexamination Certificate

active

07104743

ABSTRACT:
A vacuum receiver for a pneumatic conveyor for conveying, e.g., plastic pellets, having a receiving vessel with a material inlet, a material outlet and a conveying gas outlet. A first valve member is provided for opening and closing the conveying gas outlet, and a second valve member is provided for opening and closing the material outlet. Both valve members are connected to a common valve shaft and actuated by a single actuator mounted on a vessel lid. The vacuum receiver of the invention has the advantage of affording positive control and sealing of the material discharge valve while at the same time being economical to manufacture and easily cleaned.

REFERENCES:
patent: 2992858 (1961-07-01), Pendleton
patent: 4492294 (1985-01-01), Ball
patent: 4756348 (1988-07-01), Moller
patent: 5019250 (1991-05-01), Lorenzen
patent: 6231273 (2001-05-01), Amieux
patent: 6394708 (2002-05-01), Braden
patent: 6802685 (2004-10-01), Federhen
patent: 688753 (1998-02-01), None
patent: 10024428 (2001-11-01), None

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