Patent 7921904 was granted and assigned to Modine Manufacturing Company on April, 2011 by the United States Patent and Trademark Office.
A heat exchanger including a tube having inlet ends and outlet ends and defining a flow path therebetween. The tube can have a first section and a second section arranged at an angle with respect to the first section. Each of the first section and the second section can include a first subsection and a second subsection arranged at an angle with respect to the first subsection.