Improvements in apparatus for normalizing air by the mediumship of heat

摘要

523,713. Heating air by electricity ; heating air. PHILLIPS. F. J. H. Dec. 8. 1938, No. 35778. [Class 39 (ill)] [Also in Group XIII] Dust, germs and other impurities are removed from air by passing it in fine streams against heated surfaces, which may be stationary or in motion. In Fig. 1, air is drawn by a fan 1 through a sieve 10 and thin elongated passages 3 against a surface 4 heated electrically by an element 5 supported on a surface 6 which is caused to rotate by gearing 7. In Fig. 6, the air enters through a sieve 22, and passes through the thin passage between a member 26 and a surrounding wall 27 heated by fuel 28. Specifications 205,937, [Class 29], 465,109, [Group VI], and 523,714, [Group XII], are referred to.