Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent
1995-02-03
1996-07-16
Michalsky, Gerald A.
Fluid handling
Back flow prevention by vacuum breaking
Air vent in liquid flow line
134105, 137341, 137403, E03C 110
Patent
active
055357741
ABSTRACT:
Apparatus is disclosed for storing and supplying water for use in a unit of catering equipment, comprising means for controlling the supply of water from a mains source to a water storage tank and means adapted to supply a predetermined volume of water from the storage tank for use in the catering equipment unit, the control means being adapted to supply water so as to maintain the quantity of water within the storage tank substantially constant wherein the volume of the storage tank is equal to, or not less than, the predetermined volume so that the storage tank may be of sufficiently small dimensions as to be located within the housing the catering equipment unit, an air gap of predetermined dimensions being provided between the mains source and the storage tank.
REFERENCES:
patent: 3381700 (1968-05-01), Frymark
patent: 4354094 (1982-10-01), Massey et al.
patent: 5039405 (1991-08-01), Cattani
Michalsky Gerald A.
Premark FEG Corporation
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