Patent ID: 8286365

Claim:
A cooling apparatus for cooling objects from a coating device, comprising: a housing enclosing a cooling zone, said cooling zone having an entrance region communicating with an exit region; a transport device extending though said housing for transporting workpieces along a transport direction through said entrance region, through said cooling zone and through said exit region; a heat exchanger arranged within said housing, said heat exchanger comprising an entry and an exit through which a first fluid flow is guided, and further comprising pipes for guiding a second fluid flow therethrough and for transferring heat between said first and second fluid flows; wherein said exit of said heat exchanger communicates with said cooling zone for supplying cooled air thereto; and wherein said entrance region of said cooling zone is connected with a warm air conducting duct leading to said entry of said heat exchanger for guiding warm air from said cooling zone through said heat exchanger and for recirculating air received from said cooling zone back into said cooling zone after transferring heat to said second fluid flow.