Refrigeration – Automatic control – Refrigeration producer
Patent
1975-10-21
1977-08-02
Capossela, Ronald C.
Refrigeration
Automatic control
Refrigeration producer
62297, 62388, 62514R, 239587, F25B 4104
Patent
active
040388336
ABSTRACT:
A self-contained detachable refrigeration unit is disclosed for use in a cargo-carrying container having at least one porthole therein. Refrigeration units are well known for keeping cargos at low temperatures. In many cases such units rely on outside power. Alternatively, they include an internal combustion engine which is noisy and in turn produces a disturbance in the location of the container. The present unit is completely self-contained and overcomes the problems of the prior art. It provides an assembly having a detachable means for mounting on the container adjacent the porthole, an insulated tank supported within the frame assembly, the tank adapted to contain liquid carbon dioxide. The assembly also includes a control panel with a temperature selective control means for controlling the flow of liquid carbon dioxide to the container. A porthole closure assembly is connected to the frame assembly by a flexible connector. The porthole closure assembly fits within and about the porthole of the container and provides a venting means for the container, together with a temperature sensing device and a discharge nozzle to direct liquid carbon dioxide into the container. The flexible connector has a vent line from the venting means in the porthole closure and this vent line includes a liquid carbon dioxide line, a temperature transmission line and a control line between a valve means to control the flow of liquid carbon dioxide into the container.
REFERENCES:
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patent: 3109296 (1963-11-01), Williamson et al.
patent: 3316726 (1967-05-01), Pauliukonis
patent: 3611743 (1971-10-01), Manganaro
patent: 3675439 (1972-07-01), Maurer
patent: 3684179 (1972-08-01), Fischer et al.
patent: 3693371 (1972-09-01), Clark
patent: 3754407 (1973-08-01), Tyree, Jr.
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