|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||15/321 ; 15/3401 ; 15/353 ; 126/2711|
|발명자 / 주소|
|인용정보||피인용 횟수 : 23 인용 특허 : 0|
Machine for removing residues such as oil, grease and diesel fuel spills from streets, parking lots and other paved surfaces. The machine comprises a mobile supporting vehicle having water supply and recovery tanks forming an integral part thereof. A steam generator is mounted on the vehicle for heating water from the supply tank to produce highly pressurized hot water and steam, and a hose and wand are connected to the steam generator for directing the pressurized water and steam against a surface to be cleaned. A pick-up wand and hose are connected to ...
In a mobile system for cleaning paved surfaces: a water supply tank, a recovery tank, a steam generator for heating water from the supply tank to produce highly pressurized hot water and steam, means including an elongated flexible hose connected to the steam generator for directing the hot water and steam against a surface to be cleaned, a pick-up wand and hose connected to the recovery tank, a vacuum pump connected to the recovery tank for drawing water and residue from the surface through the pick-up wand and hose to the recovery tank, and a filter in...