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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0939320 (1992-09-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 0 |
A wet vacuum/extractor having a first cleaning solution line which extends from a cleaning solution tank to a non-self-priming pump and a second cleaning solution line which extends from the pump to a normally closed fluid flow control valve which controls the flow of liquid on to the cleaning head.
A wet vacuum/extractor comprising: (a) a vacuum fan for generating a vacuum; (b) a cleaning solution tank; (c) a cleaning tool and vacuum flow path defining means operably connecting said cleaning tool to said vacuum fan whereby debris and liquid can be removed from a surface to be cleaned through s
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