Refrigeration – Means producing shaped or modified congealed product – With raw material projector – e.g. – spray
Patent
1990-01-16
1990-10-30
Tapolcai, William E.
Refrigeration
Means producing shaped or modified congealed product
With raw material projector, e.g., spray
62352, 1372511, 137334, 239220, F25C 104
Patent
active
049660152
ABSTRACT:
An apparatus for producing small clear ice bodies includes an evaporator (110) having freezer cells (12) open at the bottom and cooled by a refrigerant pipe (11). Interspaces between the freezer cells (12) are covered by strips (114) of insulating material. On the outside of the insulating material (114) defrosting components are arranged, formed of metal strips (17). Water is sprayed upwardly out of a trough (30) into the freezer cells by means of a spraying device (20) in the form of a bucket wheel rotatable about a horizontal shaft (29). The bucket wheel has two spaced parallel circular discs (28) with concave splash blades (27) arranged between them. The water sprayed upwardly keeps the metal strips (17) at above-freezing temperatures, so that ice layers cannot form and interconnect the small ice bodies. Splash-guard walls (33), as well as a movable splash-guard flap (32), prevent the escape of water from the apparatus. When defrosted, small ice bodies (1) fall onto an inclined grid (36). At the beginning of a freezing cycle, the trough (30) is filled via a supply pipe (35) having a valve (39) and, at the end of a freezing cycle, is emptied via a discharge pipe (34) having a valve (38).
REFERENCES:
patent: 2722110 (1955-01-01), Denzer
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patent: 2995850 (1961-08-01), Strauss
patent: 3062018 (1962-01-01), Baker
patent: 3386258 (1968-06-01), Zygul
patent: 4006605 (1977-02-01), Dickson et al.
patent: 4505130 (1985-03-01), Hibeno et al.
patent: 4602489 (1986-07-01), Hara
patent: 4612959 (1986-09-01), Costello
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