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특허 상세정보

Filter apparatus for filtering the air for an internal combustion engine

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-039/08    B01D-046/12    B01D-046/10    B01D-046/52   
미국특허분류(USC) 055/486; 055/385.3; 055/487; 055/488; 055/498; 055/502; 055/521; 055/524; 055/528
출원번호 UP-0638529 (2006-12-14)
등록번호 US-7632328 (2009-12-24)
우선권정보 DE-20 2005 019 666 U(2005-12-14)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 0  인용 특허 : 13
초록

A filter device for filtering air in internal combustion engines equipped with a filter that can be inserted into a filter housing and has a flame-retardant effect. The filter comprises a main filter element and an upstream filter fleece whereby the flame-retardant effect is achieved by the fleece prefilter.

대표
청구항

What is claimed is: 1. A filter apparatus for filtering air for an internal combustion engine, said apparatus comprising a flame-retardant filter insertable into a filter housing, wherein said filter comprises a main filter element and a fleece prefilter arranged upstream of the main filter element in the direction of air flow, and wherein the flame-retardant effect is achieved solely by the fleece prefilter, and wherein the fleece prefilter is secured to the main filter element via a sealing element which seals the filter apparatus to the housing. 2....

이 특허에 인용된 특허 (13)

  1. Spicer Barry (Pattishall GB2) Wills Joseph T. (Chapel Brampton GB2). Air filter. USP1988074758460.
  2. Cusick Michael John ; Jackson Fred Lee ; Kern Charles Francis ; DePorter Craig Donald. Composite filter media. USP1998095800586.
  3. Randinelli,Todd. Disposable grease filter for air filtration system and method of manufacturing same. USP2008127465332.
  4. Nepsund Larry R. ; Abrahamson Kathleen A. ; Boeckermann Thomas A. ; Elfstrand James K.. Filter arrangement including removable filter with first and second media secured together. USP1999015858044.
  5. More Ronald,NZX. Filter assembly having a disposable pre-filter. USP2001096293983.
  6. Osamu Inoue JP; Shinichi Chaen JP; Nobuki Uraoka JP; Toshio Kusumi JP; Jun Asano JP; Seiichi Hirano JP; Satoshi Hara JP. Fire-retardant filter medium and air filter unit. USP2002016336948.
  7. Polaner Mardy (Birmingham MI). Flame arresting air filter element. USP1981054268289.
  8. Stemmer Michael J.. Forced air system air filter. USP1998015704953.
  9. Stemmer Michael J.. Forced air system air filter. USP1999075922096.
  10. Nakamura Yasuhiko (Toyohashi JPX) Yamakawa Yoshio (Toyota JPX). Fuel vapor adsorption type air cleaner element for internal combustion engine. USP1981034259096.
  11. Ohno, Katsuhiro; Nakajima, Fumio; Niinuma, Hitoshi. High-performance filter for intake air for gas turbine, and filter unit using such filter for intake air for gas turbine. USP2003046540805.
  12. Chapman Rick L. (1977 Valley Meadow Oak View CA 93022). Multilayer composite air filtration media. USP1995055419953.
  13. Friedmann Francis A. ; Wagner Wayne M. ; Risch Daniel T.. Pleated filter having a planar sheet of randomly arranged filaments to maintain pleat spacing. USP1998095814219.