Solid material comminution or disintegration – Processes – Miscellaneous
Patent
1984-08-24
1987-04-21
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
Miscellaneous
241 36, 241100, B02C 2500
Patent
active
046590234
ABSTRACT:
A coffee machine includes a grinding mill, a proportioning chamber arranged adjacent to the outlet of the grinding mill and a processing chamber, into which the coffee powder from the proportioning chamber is discharged. The coffee powder coming from the grinding mill is thrown into the proportioning chamber, which includes a pressure sensitive, elastically resilient wall element with a signal generator connected thereto. As soon as the proportioning chamber is filled with coffee powder, a dynamic pressure is built-up within the proportioning chamber due to the overpressure caused by the grinding mill, which forces the wall element to a displacement, whereby the signal generator is operated. Subsequently, on the one hand, the motor of the grinding mill is switched off and, on the other hand, a bottom wall part of the proportioning chamber is unlocked, whereby the milled product, assisted by the elastically resilient wall element, is discharged from the proportioning chamber.
REFERENCES:
patent: 405019 (1889-06-01), Drude
patent: 3386666 (1968-06-01), Dore
patent: 4007675 (1977-02-01), Cailliot et al.
patent: 4188863 (1980-02-01), Grossi
Frei Hans-Peter
Schmed Arthur
Gesamat AG
Rosenbaum Mark
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