AIR PROCESSING DEVICE Russian patent published in 1995 - IPC

FIELD: ventilation and air-conditioning systems. SUBSTANCE: panel is located on housing with louvres in holes of inlet and outlet headers on side of room. Insert is secured in housing through dampening gasket, partition and three high-frequency filters. Sound-absorbing system has sound-absorbing inlet and outlet headers, chamber, partition and high-frequency filters. Sound-absorbing system is secured on insert. Air-cleaning filter is mounted before inlet header which is brought in communication via first high- frequency filter with chamber whose outlet is connected via second high-frequency filter with outlet header where heat exchanger is located between second and third filters. Headers are divided by partition. Each high-frequency filter is made in form of two-row cellular unit with rectangular passages. Length of passage of one row is less than length of passage of other row and more than side of section. EFFECT: enhanced reliability. 2 cl, 3 dwg