US 12,130,094 B2
Water jacket and method of manufacturing water jacket
Hirosumi Todaka, Saitama (JP); Yasunari Kimura, Saitama (JP); and Takaaki Kobayashi, Tokyo (JP)
Assigned to HONDA MOTOR CO., LTD, Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Oct. 4, 2022, as Appl. No. 17/937,783.
Claims priority of application No. 202111294281.2 (CN), filed on Nov. 3, 2021.
Prior Publication US 2023/0137009 A1, May 4, 2023
Int. Cl. H02K 9/19 (2006.01); F28D 1/053 (2006.01); F28F 13/12 (2006.01); F28D 1/02 (2006.01); F28D 21/00 (2006.01)
CPC F28F 13/12 (2013.01) [F28D 1/05316 (2013.01); H02K 9/19 (2013.01); F28D 2001/0273 (2013.01); F28D 2021/0029 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A water jacket comprising:
a housing configured to be disposed on or adjacent to an outer periphery of a heat generating portion; and
a coolant channel provided inside the housing,
the coolant channel comprising:
a plurality of main tubular channel portions that, extend linearly and are configured to be arranged along and in proximity to the outer periphery of the heat generating portion,
an inflow-side manifold portion that collectively connects upstream end portions of the main tubular channel portions and is configured to allow inflow of coolant, and
an outflow-side manifold portion that collectively connects downstream end portions of the main tubular channel portions and is configured to allow outflow of the coolant, each of the main tubular channel portions including therein a vortex generation part that is disposed in proximity to the upstream end portion and configured to generate a vortex flow.