[특허]Blower pipe with silencer

Blower pipe with silencer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01N-007/00 F04D-029/66
출원번호	US-0844044 (1997-04-18)
우선권정보	JP-0102664 (1996-04-24)
발명자 / 주소	Iida Giichi,JPX Arahata Kouji,JPX Yoshioka Tetsuya,JPX
출원인 / 주소	Kioritz Corporation, JPX
대리인 / 주소	Baker & Botts, L.L.P.
인용정보	피인용 횟수 : 96 인용 특허 : 0

초록 ▼

A working machine such as a power blower has a blower pipe with a silencer. The blower pipe has an outer pipe and a perforated inner pipe, with a sound absorbing material disposed between the inner and outer pipes. For ease of handling in use of the power blower, the outer pipe has substantially con

대표청구항 ▼

[ What is claimed is:] [1.] A blower pipe, including a silencer, for use with a power blower having an air outlet spout, said blower pipe comprising:an outer pipe having an upstream portion adapted to be secured to the air outlet spout;an inner pipe disposed substantially coaxially within said outer pipe, said inner pipe having an upstream end portion which widens outwardly towards said upstream portion of said outer pipe to lower flow resistance to air from the air outlet spout, said inner pipe having a main portion located downstream of said upstream end portion, said main portion having a substantially constant diameter and a plurality of lateral holes formed therein, said main portion terminating in a free downstream end portion, said outer pipe, said inner pipe upstream end portion and said inner pipe main portion defining a sound-absorption-material-receiving space therebetween; anda sound absorption material disposed in said space, said material having an open downstream end for reduced flow resistance to the air, said open downstream end being substantially contiguous with said free downstream end portion of said main portion of said inner pipe for inhibiting transmission of vibration of said inner pipe to said outer pipe.

이 특허를 인용한 특허 (96)

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Gammack, Peter David, Fan assembly.
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Gammack, Peter David, Fan assembly.
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Gammack, Peter David; Dyson, James, Fan assembly.
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Beckey Thomas J. ; Porter Steven R. ; Lund Rodney D. ; Shaffer Chadwick A. ; Svoboda Steven J. ; O'Brien Steven T., Portable blower with noise reduction.
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Tuitt, Patrick W.; Lordo, Richard J.; Gesner, Joseph J., Pressure support system and method and a pressure control valve for use in such system and method.
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Lepoutre, Henri, Silencing apparatus, notably for a turbo engine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Blower pipe with silencer 원문보기

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Blower pipe with silencer 원문보기

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이 특허를 인용한 특허 (96)

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