US 5,211,219 A · Air conditioner

Abstract

An air conditioner comprising a casing, an air flow passage extending from an air inlet at the upper side of the casing to an air outlet at the lower side of the casing. A cross flow fan is provided within the casing along with a heat exchanger composed by connecting fins through which air is allowed to pass to the outer surface of the heat transfer tube along the lengthwise direction thereof. The heat transfer tube is branched into a plurality of passes in the heat exchanger. The present invention is characterized in that the heat transfer tube is disposed in a direction crossing the axial direction of the cross flow fan. Even if drift of flowing air is caused by the cross flow fan, distribution in the air flow speed and distribution of heat exchanger can be made equal and heat exchanging capacity of high level can be obtained, without causing the trouble of condensed water from the heat exchanger falling into the air flow passage.

Claims12

Dependent claims

An air conditioner comprising:

a casing having an air inlet opened at an upper side thereof, an air outlet opened at a lower side thereof and an air flow passage extending from said air inlet to said air outlet;
a cross flow fan disposed in said air flow passage within said casing, blades of which rotate around an axis extending substantially perpendicular to a direction of said air flow passage;
and
a heat exchanger having a heat transfer tube and perforated fins, disposed in series with said cross flow fan in said air flow passage within said casing, said heat transfer tube being branched into plural passes in parallel to one another in said heat exchanger and, said heat transfer tube passes and perforated fins being arranged in layers disposed in a direction intersecting the axial direction of said cross flow fan, said fins being connected to an outer surface of said heat transfer tube and extending at least in the direction of said heat transfer tube.

1 more element

Dependencies are inferred from the claim text.

Air conditioner

Life of this patent

Air conditioner

Life of this patent

Abstract

Claims12