Title:
WATER JACKET AND MANUFACTURING METHOD FOR WATER JACKET
Document Type and Number:
Japanese Patent JP2023070064
Kind Code:
A
Abstract:
To provide a water jacket capable of improving cooling efficiency of a heating unit.SOLUTION: In a water jacket having a coolant flow path inside a housing arranged on an outer periphery of a heating unit, the coolant flow path has: a plurality of main flow path pipe parts arranged in the vicinity of the outer periphery of the heating unit, extending linearly, and arrayed along the outer periphery of the heating unit; an inflow-side collective pipe part that collectively connects the upstream end parts of the main flow path pipe parts, and causes a coolant to flow into the main flow path pipe parts; and an outflow-side collective pipe part that collectively connects the downstream end parts of the main flow path pipe parts, and causes the coolant to flow out from the main flow path pipe parts. Each of the main flow path pipe parts has a vortex generation unit that generates a vortex in the vicinity of the inner upstream end part.SELECTED DRAWING: Figure 1
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Inventors:
TODAKA HIROZUMI
KIMURA YASUSHIGE
KOBAYASHI TAKAAKI
KIMURA YASUSHIGE
KOBAYASHI TAKAAKI
Application Number:
JP2022148201A
Publication Date:
May 18, 2023
Filing Date:
September 16, 2022
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F25D17/00; B22F10/28; B33Y10/00; B33Y80/00; F28D21/00; F28F13/06; H02K5/20; H02K9/19
Attorney, Agent or Firm:
Masayuki Shobayashi
Kazuyoshi Hayashi
Hiroaki Hoshino
Kazuyoshi Hayashi
Hiroaki Hoshino