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특허 상세정보

Air filtration arrangements having spacer constructions

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-046/24   
미국특허분류(USC) 553/30 ; 553/853 ; 554/82 ; 554/98 ; 555/02 ; 555/03 ; 555/04
출원번호 US-0044709 (1998-03-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Merchant & Gould P.C.
인용정보 피인용 횟수 : 61  인용 특허 : 14
초록

An air filter element includes structure for supporting a secondary air filter element mounted within it, such as a safety element. In certain arrangements, the air filter element includes a media pack having first and second ends and defining an open filter interior. A first open end cap is positioned on the media pack first end. A second closed end cap is positioned on the media pack second end. The spacer construction has attachment structure and positioning structure. The attachment structure secures the spacer arrangement within the open filter inte...

대표
청구항

[ We claim:] [1.] An air filter element comprising:(a) an inner liner having an end and defining an inner volume;(b) a spacer arrangement having attachment structure and positioning structure;(i) said attachment structure including a disk having at least one laterally projecting foot oriented adjacent to and extending over said inner liner end;(A) said disk defining a plurality of free-rise apertures;(c) an end cap comprising a polymeric material; said end cap having said inner liner end and said attachment structure foot embedded therein;(i) a portion o...

이 특허에 인용된 특허 (14)

  1. Boeckermann Thomas A. (Lakeville MN) Nepsund Larry R. (Savage MN) Sandkamp John D. (Minnetonka MN). Advanced disposable air cleaner. USP1992055112372.
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  8. Brown Gene W. (Kearney NE) Calcaterra Farrell F. (Kearney NE) Sleicher Daniel (Kearney NE). Air filter element with radial seal sealing gasket. USP1996015484466.
  9. Dungs Guenter,DEX ; Fischer Peter,DEX ; Moessinger Klaus,DEX ; Thaller Guenter,ATX. Air filter with scaling bead freely movable in the radial direction. USP1998035730769.
  10. Witchell Stanley P. (17 Town Close ; Vicarage Hill Dartmouth ; South Devon GB2). Air filters. USP1986064595401.
  11. Tortorici Domenic P. (Chicago IL) Dreznes John J. (Chicago IL). All dry air cleaner. USP1977024006000.
  12. Benzler Heinz (Kirchberg/Murr DEX) Ernst Volker (Sachsenheim DEX) Klotz Arthur (Remseck DEX). Intake air filter for the internal combustion engine of a motor vehicle. USP1992065120337.
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  14. Sullivan Bruce M. (Burnsville MN). Two-stage air cleaner and method of preventing contamination of a safety filter. USP1981044261710.

이 특허를 인용한 특허 피인용횟수: 61

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  6. Iddings, Douglas; Adamek, Daniel; Miller, Thomas; DeWit, Johan; Baseotto, Michel; Merckx, Roberto; Dils, Julien; Coulonvaux, Paul. Air cleaner arrangements; components; and methods. USP20190410245544.
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