Heating or air conditioning system for vehicle passenger compartment with dashboard closes knee nozzle at latest when engine starts irrespective of current setting and for defined period

摘要

The system has several air outlets (20,22,23,24,26) integrated into the dashboard (10) for separately delivering conditioned air to the driver and passenger sides with central (22), lateral (24) and knee-height (20) nozzles and at least one blocking element (27) for the knee nozzle. The blocking element(s) is controlled so that knee nozzle is closed at the latest when the engine starts irrespective of its current setting and remains closed for a defined period