[특허]Heat exchanger with double-walled tubes

Heat exchanger with double-walled tubes 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28F-001/00 F28D-007/10 F28D-007/00
출원번호	US-0398371 (2013-04-30)
등록번호	US-9897387 (2018-02-20)
우선권정보	DE-10 2013 100 886 (2013-01-29)
국제출원번호	PCT/EP2013/001282 (2013-04-30)
국제공개번호	WO2013/164085 (2013-11-07)
발명자 / 주소	Glass, Michael T.
출원인 / 주소	BENTELER AUTOMOBILTECHNIK GMBH
대리인 / 주소	Henry M. Feiereisen LLC
인용정보	피인용 횟수 : 0 인용 특허 : 50

초록 ▼

A heat exchanger for a motor vehicle, in particular an exhaust gas heat exchanger, includes an outer casing in which heat exchanger tubes are arranged as bundles. At least one heat exchanger tube is configured double-walled, and formed from an outer tube and an inner tube. A first medium flows in th

대표청구항 ▼

1. A heat exchanger for a motor vehicle, comprising: an outer sheath;heat exchanger tubes arranged in the outer sheath, said heat exchanger tubes each comprising an outer tube, said outer tube including an inner tube received in the outer tube, in one-to-one correspondence, said outer tube and inner tube being separately produced components,wherein an opening is provided in a region of an end of the outer tube for flow of a first medium into or out of the inner tube,wherein the first medium flows in the outer sheath and in the inner tube and a second medium flows between the outer tube and the inner tube, andwherein the outer tube and the inner tube are arranged in a form fitting or in a materially bonding manner coupled with each other via a collar provided on the opening; anda sealing cap or a sealing plug is arranged in each of respective ends of the inner tube. 2. The heat exchanger of claim 1, wherein the heat exchanger tubes are arranged as a bundle. 3. The heat exchanger of claim 1, wherein the opening is provided in an outer surface of the outer tube. 4. The heat exchanger of claim 3, further comprising two spaced-apart front plates arranged on an inflow side and/or an outflow side in the outer sheath, wherein the outer tube is coupled with the front plates in a fluid tight manner and traverses the front plates, so that the opening in the outer surface of the outer tube is arranged between the front plates, and wherein one of the front plates faces the outer sheath and has recesses arranged between the heat exchanger tubes. 5. The heat exchanger according to claim 1, wherein the collar is configured so that the inner tube is fixed in position relative to the outer tube by the coupling of the inner tube to the outer tube via the collar. 6. The heat exchanger of claim 1, wherein the sealing cap or a sealing plug is arranged in ends of the inner tube in a materially bonding or form fitting manner. 7. The heat exchanger of claim 1, wherein a gap is formed between respective ends of the outer tube and respective ends of the inner tube. 8. The heat exchanger of claim 7, wherein the gap is a radially circumferential gap. 9. The heat exchanger of claim 1, wherein the end of the inner tube is configured tapered. 10. The heat exchanger of claim 9, wherein the end of the inner tube has a progressively increasing tapering. 11. The heat exchanger of claim 1, wherein at least one of the outer tube or the inner tube has a waved course. 12. The heat exchanger of claim 11, wherein the waved course of the outer tube and/or the inner tube has wave crests and wave troughs, and wherein the wave crests and wave troughs are each configured to have a constant radially circumferential extent relative to a circumferential axis. 13. The heat exchanger of claim 12, wherein an outer diameter of a wave crest of the inner tube is smaller than an inner diameter of a wave trough of the outer tube. 14. The heat exchanger of claim 1, wherein the surface of the inner tube or the outer tube is waved in a longitudinal direction relative to a longitudinal axis. 15. The heat exchanger of claim 1, wherein the inner tube and/or the outer tube are produced by hydroforming.

이 특허에 인용된 특허 (50)

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Yusa, Kazuhiko, Double-pipe heat exchanger and manufacturing method thereof.
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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

내보내기 구분	파일저장 인쇄 메일전송
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Heat exchanger with double-walled tubes 원문보기

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Heat exchanger with double-walled tubes 원문보기

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