| 摘要 |
PROBLEM TO BE SOLVED: To make a vehicle, the caterpillar of a caterpillar-type vehicle in particular, safely washable with one nozzle and one pump, with a good efficiency. SOLUTION: In the washing apparatus, the washing water discharged from one set of high-pressure and large-discharge pump 6, is jetted from a nozzle 14 for a small flow and a high pressure with an opening and closing valve 13 provided at the end of a high-pressure pipeline 7, the excess water of the washing water discharged from the pump 6 is supplied to a low-pressure pipeline 12 with an unloader valve 8 and jetted from a large-flow and low-pressure nozzle 15 installed at the end of the low-pressure pipeline 12 parallel to the above-mentioned nozzle 14. COPYRIGHT: (C)2006,JPO&NCIPI
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