In addition to the chamber for storing goods the freezer, or refrigerator, has a chamber for an evaporator with a series connected, automatic defrosting heating, and a fan for circulation of ambient air in both chambers. Optical and/or acoustic warning indicators are provided for possible defects...
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Cole-Parmer StableTemp Refrigerator, 46.9 cu ft, 230V, 60 Hz Cole-Parmer StableTemp Refrigerator, 28.4 cu ft, 230V, 50 Hz Cole-Parmer StableTemp Refrigerator, 46.9 cu ft, 120V, 60 Hz Cole-Parmer StableTemp Refrigerator, 28.4 cu ft, 230V, 60 Hz Cole-Parmer StableTemp Refrigerator...
of the refrigerator. Each evaporator is arranged in its own air current to the chamber to be cooled (14). In each air flow downstream of the evaporator is fitted an air temp. probe (11), the measurement signal from which is fed to the regulator. By means of the regulator, the ...
Refrigerator or freezer with temp.-responsive control of fan - benefits from energy-saving with fan switched-off below temp. threshold, and run at low speed during compression of refrigerantThe supply of electric current to the fan motor is controlled by a temp. sensor in the flow of air ...
is compared with the previously measured temp. and a signal is generated at a certain difference of these two temperatures. The measuring transducer (1) is attached to the evaporator. The signal output of this transducer (1) is connected to analogue to digital converter (2) and to a digital...
The evaporator of a refrigerator and deep freeze arrangement uses a heating system for defrosting. The heating performance is controlled during the stationary period of the refrigeration unit in relation to the environment temp. The analogue control circuit of the system can be readily converted into...
Low temp. heat engine e.g. for vehicle, current generator, refrigeratorThe low temp. engine consists of a pump (1) with a drive (14), an alternative drive (15), an evaporator (4), an expansion machine (8) with a throttle (7), a liq. collector (10) and piping (2, 6, 9, 11...
The refrigerator temp. control method is characterized by that according to the change of environmental temp., automatically changing starting temp. value and stopping temp. value, at the same time reasonably placing position of environmental sensor and possessing simple circuit design. The external ...
Stationary refrigerator compressor lubricant temp. control - has immersed pump circulating lubricant in a closed cycleCompressor lubricant control ensures to keep this slightly above ambient temperature, to avoid the coolant to condense in the oil and reduce lubricating efficiency. A circulating pump may...