Patent ID: 7726388

Claim:
A heat exchanger comprising a plurality of heat exchange units connected together, wherein: each of the heat exchange units has a pair of tanks and tubes connecting between the pair of tanks, and the heat exchanger comprises: a frame fixing the plurality of heat exchange units in parallel such that each front of each of the heat exchange units is facing a same direction; an upper tank connecting each tank of each of the heat exchange units on one end side; and a lower tank connecting each tank of each of the heat exchange units on the other end side, wherein the frame is configured to comprise a space with a predetermined width inside thereof by a pair of side posts erected with the predetermined width, a first pair of bars disposed on each upper end portion of each of the side posts and disposed on each front side and each rear side of each of the heat exchange units, and a second pair of bars disposed on each lower end portion of each of the side posts and disposed on each front side and each rear side of each of the heat exchange units, the first and second pairs of bars connect and fix between the pair of side posts while sandwiching each of the side posts in a width direction thereof, and wherein the lower tank is attached to the second pair of bars, the plurality of heat exchange units are placed inside the frame from between the space having an approximately quadrangular cross-sectional shape surrounded by the pair of side posts and the first pair of bars, the plurality of heat exchange units are connected to the lower tank, and the plurality of heat exchange units are attached to the first pair of bars disposed on each upper end portion, and the upper tank is connected to each of the heat exchange units so as to cover each upper portion of the plurality of heat exchange units, and is positioned, and the upper tank is attached to the first pair of bars disposed on each upper end portion.