专利名称：UNDERGROUND SERVICE MODULE 发明人：THEO L. CARSON
申请号：US3672445D
申请日：19700831
癌组词公开号：US3672445A
公开日：
电台广告萨克斯学习19720627三人一日打一字
专利内容由知识产权出版社提供刹车有异响
实习报告总结3000字
摘要：A lf-contained module is mounted in an electrified van truck and powered thereby and has an air conveying tube, compresd air hos and electrical wires that are extensible therefrom through a modified panel ction of the truck so as to supply conditioned air, operating compresd air and electrical outlets to workmen in a manhole or other underground working area. Air is pasd vertically through the module from the vented top of the truck over a heat exchanger or refrigeration coil and conveyed to the workmen through the extensible tube which is locked in a collapd position within the module for storage and transportation. An air compressor supplies a volume of compresd air which air is directed to a receiver from which low pressure dry air and high pressure air, lectively admixed with a lubricator, are regulatingly pasd through the air hos that are mounted on automatic recoil reels in the module and have outer ends carrying air chucks with a remote control switch for the compressor being provided.
申请人：THEO L. CARSON
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