Car heater has two butterfly valves mounted in air duct, one directing air towards windscreen while other directs it towards driver's feet, valves being linked by connecting rod attached to them by pivots

摘要

The car heating and air conditioning system has two butterfly valves (11, 12) mounted in an air duct (8),one of which directs air towards the windscreen while the other directs it towards the feet of the driver. The valves are linked by a connecting rod (16) attached to them by pivots (19 - 22).