| 摘要 |
On a passenger compartment duct (5), an opening (14) for sending air to the passenger compartment (24) and an opening (15) for communication with an operation compartment air supply duct (13) are formed. On the operation compartment air supply duct (13), an opening (16) for sending air to the operation compartment (25) and an opening (17) for communication with the passenger compartment duct (5) are formed. A damper (6) is provided for turning on/off communication from the passenger compartment duct (5) to the operation compartment air supply duct (13). An operation compartment air outlet is provided for exhausting the air in the operation compartment (25) to outside thereof. A damper (7) is provided for opening and closing the operation compartment air outlet. The operation compartment air outlet is provided with a first outlet (18) which opens for communication with the air intake sides of operation compartment air conditioners (10, 11, 12) and a second outlet (19) which opens for communication with the passenger compartment (24). The damper (7) is provided for exhausting the air in the operation compartment (25) selectively to the outside air intake sides of the air conditioners or into the passenger compartment (24). |
