Patent ID: 6634323
Filing Date: 2003-10-21
Classification: F01M,F01P

Abstract:
Water-type cooling unit for a vehicle equipped with an internal-combustion engine, the unit being connected via a main circulating loop (2) formed by appropriate conduits to at least one radiator for cooling a coolant and to circuits for cooling a cylinder block (4) and for cooling cylinder heads (4â€²), comprising a central module (5) in the form of a body made of thermoplastic material in which are at least partially integrated a water-circulating pump (6), a flow-regulating valve (7) disposed in said main circulating loop (2), and at least one valve (9, 9â€², 9â€³) controlling supply of at least one secondary branch (10, 10â€², 10â€³) forming a circulating circuit portion mounted in parallel on said main circulating loop (2) for connection to at least one heat exchanger (11, 12, 13), said central module (5) having a multi-layered tridimensional arrangement of its constituent parts.