| 摘要 |
PROBLEM TO BE SOLVED: To provide a cab disassembled into components, capable of solving problems in pipe damage and energy loss by shortening pipes between air conditioner units, and enabling the easy installation of an air conditioner unit therein. SOLUTION: A compressor 41, a condenser 42, a receiver 43, and an air conditioner unit 21 are disposed on a cab roof part 14r. The air conditioner unit 21 comprises an evaporator 46 cooling an atmosphere therearound by evaporating a refrigerant supplied from the receiver 43 and an electric heater 47 heating the atmosphere therearound. The air conditioner 21, rear vents 24 and 25, a conditioned air blowout box 28 for foot, a defroster 36 for front window, and a nozzle 37 for face are allowed to communicate with each other through a hollow rear frame 55r and a hollow front frame 55f supporting the cab roof part 14r. COPYRIGHT: (C)2005,JPO&NCIPI
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