To provide a technology that effectively mixes outside air with return air within a limited space.
An outside air intake air conditioning system includes: an air blower for blowing air to an air-conditioned space; an air supply chamber provided upstream of the air blower; an outside air intake part for taking outside air into the air supply chamber from the outside to lead the outside air in a predetermined outside air inflow direction; a return flow part for leading the return air from the air-conditioned space into the air supply chamber in a direction crossing the outside air; and a filter for causing the outside air to permeate therethrough in the outside air inflow direction to collect foreign substances contained in the outside air, wherein grooves longitudinal in a return air inflow direction are formed in a surface of the filter on a downstream side in the outside air inflow direction, and the width of the groove is configured to converge toward an upstream side in the outside air inflow direction in a cross-section perpendicular to the return air inflow direction.
| JP2010261696A | 2010-11-18 | |||
| JPH05296532A | 1993-11-09 | |||
| JPH07305864A | 1995-11-21 | |||
| JPS53120380U | 1978-09-25 |
Hidemi Matsukura
Katsuhiko Imahori