发明名称 Apparatus for draining used engine oil
摘要 An apparatus for removing spent oil from an internal combustion engine and purging at least a portion of oil retained in an associated oil filter via air actuated valves in communication with a source of pressurized air. The apparatus has a waste receptacle and a venturi communicating with the waste receptacle for creating a vacuum therein. The air actuated valves include a timer to introduce the pressurized air to the oil filter for a predetermined amount of time to purge a portion of the spent oil in the oil filter into the internal lubrication distribution passage system.
申请公布号 US7163085(B1) 申请公布日期 2007.01.16
申请号 US20030408587 申请日期 2003.04.07
申请人 K. J. MANUFACTURING COMPANY 发明人 BEDI RAM D.;BLUNDY GEORGE R.;VAN DER GRIENDT A. JOHN
分类号 F16N33/00;B65B1/04 主分类号 F16N33/00
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