Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1974-09-25
1976-06-22
Lutter, Frank W.
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55276, 55337, 55472, 55DIG3, 55DIG21, 55DIG34, 116114AD, 181 36C, 181 62, B01D 5000
Patent
active
039648885
ABSTRACT:
A vacuum sweeper, particularly for collecting borings, has an upright cylindrical receptacle with a tangential inlet for admission of an air stream which carries borings and/or other solids and an open top which is overlapped by a platelike air filter disposed below a cover which is separably connected with the receptacle and has downwardly extending projections to prevent upward flexing of the filter. A side channel vacuum pump is installed in the cover and has an inlet which draws air from the receptacle via filter and a passage of the cover, and an outlet which communicates with a sound deadening annular channel provided in the cover and concentrically surrounding the rotor of the pump. The open end of the channel extends upwardly and contains a spherical float which rises therein to a level indicating the rate of air flow from the channel. Certain surfaces bounding the channel in the cover are lined with layers of closed-pore deformable foamed synthetic plastic material which contributes to the soundproofing action. The rotor of the pump rotates about a vertical axis and is driven by an electric, hydraulic or pneumatic motor.
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Hahner Reinhard
Reibetanz Wilbert
Wanner Karl
Lacey David L.
Lutter Frank W.
Robert Bosch G.m.b.H.
Striker Michael J.
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