Patent ID: 8458852
Filing Date: 2013-06-11
Classification: A47L,B08B,F22B,Y02E

Abstract:
1. A heat exchanger arrangement for use on a mobile cleaning device, comprising: a housing including a first and second exhaust gas opening, and an exhaust gas exit; a first and second heat exchanger arranged in serial relationship and enclosed within the housing; a third heat exchanger enclosed within the housing and positioned at an angle relative to the first and second heat exchangers and adjacent the first exhaust gas opening; a first source of super heated exhaust gas; a second source of heated gas; wherein the super heated exhaust gas is supplied to the first exhaust gas opening and flows substantially through the third heat exchanger; and wherein the heated gas is supplied to the second exhaust gas opening and mixes within a mixing area of the housing with exhaust gas exiting the third heat exchanger, the mixed gases entering the second and first heat exchangers and exiting the exhaust gas exit.