Coffee percolating machine with automatic infusion water...

Details Coffee percolating machine with automatic infusion water... Coffee percolating machine with automatic infusion water...

A - Human Necessities

47

J

309/58, 341/38.4

A47J 31/44 (2006.01) B67D 7/20 (2010.01)

Patent

CA 1138961

ABSTRACT OF THE DISCLOSURE A coffee percolating machine has the infusion water supplied to a percolating carrying location CP along a flow path CA in which is disposed rotatable means MN,which is preferably a Woltman wator mill, which is driven by the water flow and which causes electrical impulses to be generated in correspondence with its angular displacement, e.g. by rotating perforated disc DI with associate light beam and photo-cell, whereby the number of impulses generated is a function of the quantity of infusion water delivered, the pulses are counted by summating means and an output signal is generated when the count reaches a predetermined value to operate valve means whereby the supply of infusion water is interrupted and the cup receiving location is connected to the outside. The quantity of infusion water supplied and hence the strength of the drinking coffee produced is controlled by adjusting the predetermined value of the count.

342731

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