Oven

Details Oven Oven

A - Human Necessities

21

B

126/74

A21B 1/00 (2006.01) B01D 39/00 (2006.01) F16J 15/32 (2006.01) F24C 15/32 (2006.01) F24F 3/16 (2006.01)

Patent

CA 1207204

ABSTRACT AN OVEN An oven comprises at least two doors and a filter arrangement (1), through which the air inside the oven may circulate in a closed circuit by means of a circulator (2), said closed circuit optionally including means (3) for adjusting the temperature of the air. The filter arrange- ment (1) comprises a frame loosely secured to a resilient airtight trumpet- or tube-like suspension arrangement (5). This suspension arrangement is in turn secured to the rim of a channel permitting passage of the circulating air, whereby the major portion of said rim may be formed by the oven shell (7). In this manner the frame of the filter may operate and expand relative to the oven shell (7) without causing the channel to leak. A particular shaft seal fur- thermore implies that the driving motor of the circulator may be situated outside the oven without permitting pollut- ed air to penetrate at the inlet opening of the rotating shaft. Figs. 2 and 3 should be published together with the abstract.

422732

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