Abstract: A heat exchanger with a front group of heat exchange conduits extending between a front inlet tank and a front outlet tank. A rear group of heat exchange conduits extend between a rear inlet tank and a rear outlet tank. A reinforcing plate is adjacent to the front group of heat exchange conduits and the rear group of heat exchange conduits to restrict twisting thereof. A first stress-relief area of the reinforcing plate is proximate to, and spaced apart from, both the front inlet tank and the rear inlet tank. A second stress-relief area of the reinforcing plate is proximate to, and spaced apart from, both the front outlet tank and the rear outlet tank.

Abstract: A stiffener for a heat exchanger includes a top plate and at least two legs extending from opposing sides of the top plate. Each of the at least two legs includes a bent portion, an angled portion, and a straight portion. The bent portion attaches the leg to the top plate. The angled portion increases a width of the stiffener from a width of the top plate. The straight portion extends perpendicular to a plane of the top plate.

Abstract: A radiator tank for a radiator including a first sidewall having a first end portion, a second end portion, and a center portion between the first end portion and the second end portion. The center portion is recessed inward relative to the first end portion and the second end portion towards an inner volume defined by the radiator tank.

Abstract: A stiffener for a heat exchanger includes a top plate and at least two legs extending from opposing sides of the top plate. Each of the at least two legs includes a bent portion, an angled portion, and a straight portion. The bent portion attaches the leg to the top plate. The angled portion increases a width of the stiffener from a width of the top plate. The straight portion extends perpendicular to a plane of the top plate.

Abstract: A radiator tank for a radiator including a first sidewall having a first end portion, a second end portion, and a center portion between the first end portion and the second end portion. The center portion is recessed inward relative to the first end portion and the second end portion towards an inner volume defined by the radiator tank.

Abstract: The system may include a troubleshooting activity recorder configured to record troubleshooting sessions. Each troubleshooting session may include a sequence of queries and query results. The troubleshooting activity recorder may include a query transformer configured to transform the queries and the query results into transformed queries and transformed query results before recording the troubleshooting sessions. The troubleshooting activity recorder may be configured to record the transformed queries and the transformed query results as troubleshooting session information in a troubleshooting activity database. The system may include a troubleshooting pattern learning unit including a graph builder configured to generate a troubleshooting pattern graph having query nodes and links between the query nodes based on the troubleshooting session information.

Abstract: The system may include a troubleshooting activity recorder configured to record troubleshooting sessions. Each troubleshooting session may include a sequence of queries and query results. The troubleshooting activity recorder may include a query transformer configured to transform the queries and the query results into transformed queries and transformed query results before recording the troubleshooting sessions. The troubleshooting activity recorder may be configured to record the transformed queries and the transformed query results as troubleshooting session information in a troubleshooting activity database. The system may include a troubleshooting pattern learning unit including a graph builder configured to generate a troubleshooting pattern graph having query nodes and links between the query nodes based on the troubleshooting session information.