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Method of filtering a liquid with a filter assembly having a primary and a secondary filter
专利权人:
Hubb Filters, Inc.
发明人:
Hubbard Christopher M.
申请号:
US201113825519
公开号:
US9943787(B2)
申请日:
2011.09.21
申请国别(地区):
美国
年份:
2018
代理人:
Wilson Sonsini Goodrich & Rosati
摘要:
An oil filter assembly is disclosed for a machine, such as an internal combustion engine, that has an oil output port and an oil input port. A mounting plate may be fixed with an outer enclosure and may be adapted for securing to the machine. The mounting plate may be further adapted to conduct oil from the machine into a peripheral portion of the outer enclosure, and then returning oil from a central portion of the outer enclosure back to the machine. Oil may pass from the peripheral portion to the central portion through a primary filter having a first porosity. A pressure-actuated valve may be fixed fluidly between the peripheral portion and central portion of the outer enclosure. Oil may pass through the pressure-actuated valve only when an oil pressure differential between the peripheral portion and the central portion of the outer enclosure exceeds a predetermined threshold pressure. A secondary filter may have a second porosity greater than the first porosity, and may be fixed fluidly between the press
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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