Refrigeration – Time or program actuator
Patent
1982-08-06
1983-11-22
Tapolcai, William E.
Refrigeration
Time or program actuator
62249, 62303, 134 57R, 134100, 134200, 312116, 312313, A47F 304
Patent
active
044161204
ABSTRACT:
A spray assembly for a refrigerated display case has inclined bottom plates defining a first chamber below the bottom plates and a spray chamber above the bottom plates. Pressurized water is delivered into the first chamber through a water pipe having a normally closed control valve connected thereto for pressure delivery of water to a spray support pipe which extends from the first chamber into the spray chamber centrally thereof. A spray pipe is mounted on and communicates with the spray support pipe and has a plurality of opposed rows of water outlets for delivering a pattern of pressurized streams of water onto interior surfaces of the case and the undersurfaces of the grates and tubing of the cooling system for washing them down and for successive disposal through a drain pipe depending from the bottom plates. The present spray assembly is adapted for a series of laterally related display cases wherein the pressurized water pipe extends into the bases of the respective cases and with corresponding normally closed control valves within each first chamber connected to the water pipe. A timer is adapted to progressively open the valves in the respective first chambers for progressively washing down the interiors of the display cases.
REFERENCES:
patent: 516005 (1894-03-01), Geer
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patent: 1908968 (1933-05-01), Forman
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patent: 3320964 (1967-05-01), Tripp
patent: 3610417 (1971-10-01), DeLoach
patent: 3638448 (1972-02-01), Raymer
patent: 4058383 (1977-11-01), Peterson
patent: 4315414 (1982-02-01), Ibrahim
patent: 4368757 (1983-01-01), Finger
Dolin Russell L.
Yono Munim
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