| 摘要 |
2108773 9220542 PCTABS00017 A refrigerated container (10) incorporating welded corrugated steel external walls (12) having insulation disposed within the interior to form an insulated structure. Refrigeration evaporators (35, 36) extend longitudinally at the juncture of the sidewalls and the internal ceiling (40) of the container with evaporator coils distributed along both sides of the container; air is forced over the evaporator coils by strategically placed tandem centrifugal blowers (42, 44) directing air outwardly generally parallel to the ceiling and transverse to the length of the container. Air return is provided by extruded T-shaped floor rails (47) spaced apart to provide a passageway for air penetration into the floor and which are provided with transverse holes to permit the transverse flow of return air through the floor to a sidewall. Alternate evaporators are defrosted in accordance with a timing system using a defrost technique that evaporates a single evaporator at a timee. |
