Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2018/158843
Kind Code:
A1
Abstract:
Provided is a heat exchanger in which the structure of a conventional shell and coil type heat exchanger is fundamentally changed and heat exchange efficiency is remarkably improved while having a simple structure. This heat exchanger 1 has a dual pipe structure comprising an inner pipe 2 and an outer pipe 3 which are coaxially disposed, and has a configuration in which an annular flow passage 4 is formed in the axial direction between the outer circumferential surface of the inner pipe 2 and the inner circumferential surface of the outer pipe 3, and a spiral flow passage 6 is formed by disposing a coil pipe 5 in the axial direction inside the annular flow passage 4, while a flow passage is not formed inside the inner pipe 2, wherein a fluid to be cooled can be uniformly cooled with high efficiency by performing heat exchange between a cooling fluid, which flows in the annular flow passage 4 in a certain direction, and a fluid to be cooled which flows in the spiral flow passage 6 in a certain direction.
Inventors:
SATO SHUNJI (JP)
ITO MASARU (JP)
KAWAGUCHI YUTAKA (JP)
MIYAZU MASAYUKI (JP)
ITO MASARU (JP)
KAWAGUCHI YUTAKA (JP)
MIYAZU MASAYUKI (JP)
Application Number:
PCT/JP2017/007912
Publication Date:
September 07, 2018
Filing Date:
February 28, 2017
Export Citation:
Assignee:
TOMOE SHOKAI CO LTD (JP)
International Classes:
F28D7/10; F28D7/02
Foreign References:
| JPS51159959U | 1976-12-20 | |||
| JPS63217192A | 1988-09-09 | |||
| JPS62202995A | 1987-09-07 | |||
| JPS54127247U | 1979-09-05 | |||
| JPS51117842U | 1976-09-24 | |||
| JP2002147976A | 2002-05-22 | |||
| JPH01170875U | 1989-12-04 | |||
| JPH0684270U | 1994-12-02 |
Other References:
See also references of EP 3415853A4
Attorney, Agent or Firm:
MITA Daichi et al. (JP)
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