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특허 상세정보

Oil filter to introduce anti-wear additives into engine lubricating system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-027/00   
미국특허분류(USC) 210/198.1 ; 210/168 ; 210/209 ; 210/437 ; 210/440 ; 210/DIG.17 ; 123/01A ; 123/196A ; 184/062.1 ; 184/062.4
출원번호 US-0833563 (1997-04-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 60  인용 특허 : 10
초록

An oil filter (10) includes a colloidal suspension (12) of PTFE particles less than 2 microns in size retained by capillary forces within the intricacies of the filter media (26) until the filter (10) is installed and engine oil flows at first engine start up following installation. The PTFE colloidal suspension (12) is completely and immediately released into the engine lubricating system when oil flow is initiated. The PTFE colloidal suspension (12) is introduced into the oil filter (10) as one of the last manufacturing steps. Oil filter (10) is dispos...

대표
청구항

[ We claim:] [1.] An oil filter for an engine lubricating system comprising:an inlet port;an outlet port; and,a filter media, disposed between said inlet port and said outlet port, formed from a plurality of fibers defining pores through which engine lubricating oil can pass and containing a colloidal suspension of PTFE particles smaller than said pores in size wherein substantially all of said colloidal suspension is retained by capillary forces within the intricacies of the filter media fibers.

이 특허를 인용한 특허 피인용횟수: 60

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