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Patent Searching and Data


Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2019/111735
Kind Code:
A1
Abstract:
This heat exchanger is provided with a core portion (24), a pair of tanks (25, 26), and a closure member (34). A plurality of tubes (22) which have a flat cross section and through the inside of which a fluid flows are stacked in the core portion. The pair of tanks are connected to open end portions (22a) at both ends of each of the plurality of tubes. The closure member is disposed inside at least one of the pair of tanks. Fluid passage openings (27, 28) for allowing an inflow or outflow of the fluid are provided respectively in end portions of the pair of tanks, on the same side as one another in the direction in which the tubes are stacked. The length, in the longitudinal direction, of the open end portions of the tubes is greater than an inner diameter of the fluid passage openings. The closure member closes at least a portion of the open end portions of a prescribed number of the tubes disposed on the side closest to the fluid passage opening. The closure member comprises a movable portion (36) which has a length, in the width direction of the closure member in the longitudinal direction of the open end portions, that can be varied between a first state greater than the inner diameter of the fluid passage openings, and a second state less than the inner diameter of the fluid passage openings.

Inventors:
GENDA Hiroyuki (C/O DENSO CORPORATION, 1-1 Showa-ch, Kariya-city Aichi 61, 〒4488661, JP)
Application Number:
JP2018/043299
Publication Date:
June 13, 2019
Filing Date:
November 23, 2018
Export Citation:
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Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
F28F9/22; F28D1/053; F28F1/02; F28F27/00
Foreign References:
JPS63130422A1988-06-02
JP2009036063A2009-02-19
JP2008057952A2008-03-13
Attorney, Agent or Firm:
JIN Shunji (6th Floor, Takisada Bldg. 2-13-19, Nishiki, Naka-k, Nagoya-city Aichi 03, 〒4600003, JP)
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