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특허 상세정보

Heat shield for an exhaust system of an internal combustion engine

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01N-007/10   
미국특허분류(USC) 060/323; 060/322
출원번호 US-0996895 (2001-11-30)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Riches, McKenzie & Herbert LLP
인용정보 피인용 횟수 : 10  인용 특허 : 50
초록

The present invention provides a heat shield for an exhaust system of an internal combustion engine. The shield comprises three metal layers shaped to conform generally to the shape of a high temperature portion of said exhaust system; said metal layers having substantially the same shape and extending in face-to-face adjacency with one layer positioned between the other two layers; all three metal layers being substantially identical.

대표
청구항

1. In combination, an exhaust system of an internal combustion engine and a rigid, non-corrugated heat shield for an exhaust system of an internal combustion engine, comprising three metal layers having substantially the same shape and extending in face-to-face adjacency with one layer positioned between the other two layers, said shield being spaced away from an exhaust manifold of the exhaust system by an air gap, the improvement comprising: said three metal layers being formed from three substantially identical metal sheets; each of said three met...

이 특허에 인용된 특허 (50)

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  11. Ragland G. William ; Ragland Raymond E. ; Ragland Christopher V.. Flexible corrugated multilayer metal foil shields and method of making. USP1999085939212.
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  17. Pirchl Gerhard,CHX. Heat shield. USP1999115981082.
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  27. Butler Richard Martin (Canton MI). Laminated heat shield with prongs and method of manufacturing same. USP1997085656353.
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  29. Nawrocki Donald A. (Clarkston MI) Pfeifer Joseph (LaGrange GA) Scislowicz Michael (Utica MI). Method for making a heat shield. USP1992125167060.
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  32. Holt Brent D.. Method for producing a thermal, acoustical and/or vibrational abatement shield and shield produced thereby. USP2001056231944.
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  35. Keller Karl (Munich DEX). Multi-layer thermal insulation, especially for spacecraft. USP1991075030518.
  36. Sheridan William M. ; Ragland Raymond E.. Pad including heat sink and thermal insulation area. USP1998095800905.
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  39. Raymond E. Ragland ; Robert S. Timmerberg ; Christopher V. Ragland ; Matthew S. Remke ; Stephen J. Fairchild ; G. William Ragland. Shaped multilayer metal foil shield structures and method of making. USP2002096451447.
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