Title:
HEAT EXCHANGER, AND INTERNAL COMBUSTION ENGINE BLOW-BY GAS PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/054382
Kind Code:
A1
Abstract:
This heat exchanger is provided with an inner tube 2, a first flow passage 3 formed inside the inner tube 2, an outer tube 4 disposed coaxially with the inner tube 2 on the radially outer side thereof, a second flow passage 5 formed between the inner tube 2 and the outer tube 4, annular separating walls P1 to P4 which divide the second flow passage 5 into a plurality of spaces S1 to S5 in the axial direction of the outer tube 4, and space outlets E formed in one location in the circumferential direction of each separating wall P1 to P4, wherein the spaces S1 to S5 are configured to cause a second fluid to swirl about second axes Y perpendicular to a first axis X positioned at the center of the outer tube 4.
Inventors:
HIMURO YUKI (JP)
KIMURA KOTARO (JP)
WATANABE HIROYUKI (JP)
KIMURA KOTARO (JP)
WATANABE HIROYUKI (JP)
Application Number:
PCT/JP2020/035167
Publication Date:
March 25, 2021
Filing Date:
September 17, 2020
Export Citation:
Assignee:
ISUZU MOTORS LTD (JP)
International Classes:
F01M13/00; F02M26/05; F28D7/10; F28F1/40
Domestic Patent References:
| WO2005050117A1 | 2005-06-02 |
Foreign References:
| JP2008096071A | 2008-04-24 | |||
| JPS63116763U | 1988-07-28 | |||
| JP2005090926A | 2005-04-07 | |||
| JP2007163092A | 2007-06-28 | |||
| JPS5535886A | 1980-03-13 | |||
| EP2431698A1 | 2012-03-21 | |||
| JP2014092070A | 2014-05-19 | |||
| JP2013185545A | 2013-09-19 | |||
| JP2016000963A | 2016-01-07 | |||
| JP2017201154A | 2017-11-09 | |||
| JPS57181914A | 1982-11-09 |
Attorney, Agent or Firm:
HIBIYA Yukihiko et al. (JP)
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