Fluid flow path device

Patent metadata

Field	Value
Publication number	US-2022178620-A1
Application number	US-202017601902-A
Country	US
Kind code	A1
Filing date	May 8, 2020
Priority date	May 10, 2019
Publication date	Jun 9, 2022
Grant date	—

Abstract

A fluid flow channel device includes a main body and a non-ceramic sub-body. The main body has a plurality of internal flow channels, and inlets and outlets thereof are arranged so as to be exposed on an outer side surface. The sub-body has a fluid supply path and a fluid recovery path. A supply port of the fluid supply path is arranged to face the inlets of the plurality of internal flow channels. A recovery port of the fluid recovery path is arranged to face the outlets of the plurality of internal flow channels. By disposing the supply port and the recovery port for transferring the fluid to and from the plurality of internal flow channels in the sub-body, it is possible to prevent a large thermal stress from being applied to the main body.

First claim

1 . A fluid flow channel device comprising:
a ceramic main body including a plurality of internal flow channels having an inlet and an outlet that are independent of each other and allowing fluid to flow along at least one flow channel surface, and at least one outer surface orthogonal to the at least one flow channel surface, the inlets of the plurality of internal flow channels are disposed so as to be adjacent to each other and exposed to the at least one outer surface, and the outlets of the plurality of internal flow channels are disposed so as to be adjacent to each other and exposed to the at least one outer surface, a non-ceramic sub-body including at least one inner surface and at least one fluid supply path allowing fluid to flow therethrough and having a supply port exposed to the at least one inner surface and supplying fluid to the plurality of internal flow channels correctively, and at least one fluid recovery path allowing fluid to flow therethrough and including a recovery port exposed to the at least one inner surface and receiving fluid from the plurality of internal flow channels collectively, the at least one inner surface being disposed in close contact with the at least one outer surface of the main body such that the supply port is disposed opposite to the plurality of inlets of the plurality of internal flow channels so as to cover the inlets and the recovery port is disposed opposite to the plurality of outlets of the plurality of internal flow channels so as to cover the outlets.

2 . The fluid flow channel device according to claim 1 , wherein
the main body has a rectangular parallelepiped shape, and the at least one outer surface includes a first outer surface, a second outer surface, a third outer surface and a fourth outer surface that are orthogonal to the at least one flow channel surface and define the rectangular parallelepiped shape, the sub-body includes a first sub-body member, a second sub-body member, a third sub-body member and a fourth sub-body member disposed so as to sandwich the main body from four sides along a surface parallel to the at least one flow channel surface, each of the inner side surfaces of the first sub-body member, the second sub-body member, the third sub-body member and the fourth sub-body member being disposed in close contact with the first outer surface, the second outer surface, the third outer surface and the fourth outer surface of the main body, respectively, and the fluid flow channel device further comprising a connecting portion for connecting the first sub-body member, the second sub-body member, the third sub-body member and the fourth sub-body member along a direction parallel to the at least one flow channel surface so that the first sub-body member, the second sub-body member, the third sub-body member and the fourth sub-body member hold the main body.

3 . The fluid flow channel device according to claim 2 , wherein
the main body further includes a pair of sub outer surfaces connecting one end and the other end, in a specific direction orthogonal to the at least one flow channel surface, of the first outer surface, the second outer surface, the third outer surface and the fourth outer surface to each other, the first sub-body member, the second sub-body member, the third sub-body member and the fourth sub-body member respectively have a larger dimension than the main body in the specific direction so as to protrude to one end side and the other end side in the specific direction from the main body, the connecting portion includes:
a pair of non-ceramic connection body members having a first opposing surface disposed opposite to the sub outer surface, and at least four second opposing surfaces disposed opposite to the first sub-body member, the second sub-body member, the third sub-body member and the fourth sub-body member respectively, and the pair of non-ceramic connection body members being disposed so as to sandwich the main body from both sides in the specific direction; and
a plurality of connection member connecting one end and the other end, in the specific direction, of the first sub-body member, the second sub-body member, the third sub-body member and the fourth sub-body member and the pair of connection body members to each other along a direction parallel to the at least one flow channel surface so that the first sub-body member, the second sub-body member, the third sub-body member, the fourth sub-body member and the pair of the connection body members house the main body.

4 . The fluid flow channel device according to claim 2 , wherein
when the main body is viewed from a specific direction that is a direction orthogonal to the at least one flow channel surface between one outer surface and the other outer surface, disposed on the side opposite to the one outer surface in a direction orthogonal to the one outer surface, out of the first outer surface, the second outer surface, the third outer surface and the fourth outer surface, the plurality of internal flow channels respectively extends linearly so as to connect the one outer surface and the other outer surface to each other.

5 . The fluid flow channel device according to claim 4 , wherein
the at least one flow channel surface includes a first flow channel surface and a second flow channel surface disposed at an interval from the first flow channel surface in the specific direction, each of the plurality of internal flow channels includes:
a plurality of first internal flow channels extending linearly so as to connect the one outer surface and the other outer surface to each other and allowing fluid to flow along the first flow channel surface, and
a plurality of second internal flow channels extending linearly so as to connect the one outer surface and the other outer surface to each other and allowing fluid to flow along the second flow channel surface.

6 . The fluid flow channel device according to claim 5 , wherein
each of the plurality of internal flow channels includes: a plurality of first connection flow paths connecting an end portion on the one outer surface side of the plurality of first internal flow channels and an end portion on the one outer surface side of the plurality of second internal flow channels along the specific direction, and a plurality of second connection flow paths connecting an end portion on the other outer surface side of the plurality of first internal flow channels and an end portion on the other outer surface side of the plurality of second internal flow channels along the specific direction, the plurality of first internal flow channels, the plurality of second internal flow channels, the plurality of first connection paths and the plurality of second connection paths are spirally connected so as to allow the fluid flowing through the internal flow channel to move in a direction parallel to the first flow channel surface and intersecting with the plurality of first internal flow channels.

7 . The fluid flow channel device according to claim 5 , wherein
the plurality of internal flow channels further includes a plurality of temperature adjustment flow paths that are disposed opposite to at least one plurality of internal flow channels out of the plurality of first internal flow channels and the plurality of second internal flow channels in the specific direction, and the plurality of temperature adjustment flow paths allowing fluid for heat exchange with the fluid flowing through the at least one plurality of internal flow channels to flow, and the plurality of temperature adjustment flow paths is disposed so as to intersect with the at least one plurality of internal flow channels when viewing the main body from the specific direction.

Assignees

• Kobe Steel Ltd

Inventors

• Ozono Tomohiro
• Noishiki Koji
• Ichihashi Nobumasa

Classifications

• F28F21/04

  of ceramic; of concrete; of natural stone · CPC title

• F28D7/0025

  the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes · CPC title

• F28D9/0081 Primary

  the conduits for one heat-exchange medium being formed by a single plate-like element (F28D9/0012 takes precedence); the conduits for one heat-exchange medium being integrated in one single plate-like element (F28D9/0012 takes precedence) · CPC title

• F28F2275/20

  with threaded elements · CPC title

• F28F7/02

  Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)} · CPC title