Heat and moisture exchange devices

Details Heat and moisture exchange devices Heat and moisture exchange devices

F - Mech Eng,Light,Heat,Weapons

28

C

165/28, 183/99,

F28C 3/02 (2006.01) A61M 16/00 (2006.01) A61M 16/10 (2006.01) B01D 46/52 (2006.01) F28C 3/08 (2006.01)

Patent

CA 2019752

ABSTRACT OF THE DISCLOSURE Conventional respiratory heat and moisture exchangers have an exchange element in a casing through which passes the inhaled and exhaled gas. Moisture and heat in exhaled gas is given up to the exchange element and transferred to inhaled gas. In the present invention the exchange element is a strip of bacterial filter material which is folded laterally into pleats and bent into a loop to form a ruff shape. The folds of the pleats lie in two parallel planes normal to the flow of gas through the casing.

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