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Priority to JP1974145621UpriorityCriticalpatent/JPS5170053U/ja
Publication of JPS5170053UpublicationCriticalpatent/JPS5170053U/ja
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
Y02A30/00—Adapting or protecting infrastructure or their operation
Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units
(AREA)