Refrigeration – Automatic control – Humidity sensor
Patent
1999-06-16
2000-11-28
Doerrler, William
Refrigeration
Automatic control
Humidity sensor
62186, 62408, 62414, 62415, 454187, 454233, 454236, F25B 4900, F25D 1704
Patent
active
061519030
ABSTRACT:
In an air conditioning apparatus, it includes a clean room, an air cleaning section, a cooling section and an air mixing section. The air cleaning section cleans air to supply to the clean room as cleaned air. The cooling section includes a plurality of cooling units and a plurality of non-cooling units. A plurality of cooling units cool air from the clean room to send out as cooled air. A plurality of non-cooling units sends out as non-cooled air from the clean room without cooling air. Each of the quantity of the cooled air and the non-cooled air is determined to compensate an amount of heat generated in the air conditioning apparatus and to reduce a pressure loss given to the air passing through the cooling section to a substantial minimum. The air mixing section mixes the cooled air and the non-cooled air to supply to the air cleaning section. The cleaned air is circulated through the clean room, the cooling section and the air mixing section to the air cleaning section.
REFERENCES:
patent: 4873914 (1989-10-01), Hirayama et al.
patent: 5096477 (1992-03-01), Shinoda et al.
Doerrler William
NEC Corporation
Norman Marc
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