| 摘要 |
A trolley bus heating system comprises a heater with screens for outlet of warm air, an air duct for fresh air intake and a duct for blowing a windshield, moreover, it is made of two circuits: a circuit of a driver’s seat and a compartment circuit, - wherein said heater with the screens for outlet of warm air, duct for fresh air intake and duct for blowing the windshield are part of the driver’s circuit, it further comprises an air duct for heating the driver's feet, and the compartment circuit comprises three heaters with screens located in the trolley floor stands. |
