Patent ID: 7337833
Filing Date: 2008-03-04
Classification: F28D,F28F

Abstract:
1. Hydraulic circuit element ( 20 ), for heat exchange between a first and a second fluid, which defines a path for the first fluid, comprising at least one tube ( 22 ) having two ends and at least one tip ( 24 ) at one of said ends of the tube ( 22 ), said tip having at least one communicating passage ( 28 b ) that defines the path of the first fluid, said tip ( 24 ) comprising a strip of sheet metal defining two branches ( 31 ) and an upstand ( 42 ) connecting the two branches ( 31 ) along respective edges, the upstand ( 42 ) forming an enclosed receiving cap that receives one of said ends of the tube as the end extends past said at least one communicating passage ( 28 b ) and seals it to prevent fluid flow from said end.