| 摘要 |
1368872 Display cases LINDE AG 11 May 1972 [12 May 1971] 22263/72 Heading F4H An open-top refrigerated display case includes a reversible fan 4 such that air is forced through a passage 9a beneath the goods display area 3 in one direction during the refrigeration cycle, and in the opposite direction during a defrost cycle. A baffle 8a is provided to prevent heated air in the defrost cycle from entering the display case. The fan drive 5 and a heating device 12 are controlled by a thermostat. |
