JPH0476948U

JPH0476948U -

Info

Publication number: JPH0476948U
Application number: JP12103990U
Authority: JP
Priority date: 1990-11-19
Filing date: 1990-11-19
Publication date: 1992-07-06

Description

[Brief explanation of the drawing]

第１図は本考案を適用したシリンダヘツドの冷
却構造の一実施例を示す概略構成図、第２図は第
１図のシリンダヘツドの断面図、第３図は本考案
の第２実施例を示す概略構成図である。１……エンジン、２……シリンダヘツド、３…
…シリンダブロツク、４，５……ウオータジヤケ
ツト、８……吸気通路、９……排気通路、１４…
…仕切り壁、１５……第１の水路、１６……第２
の水路、１７，２６……冷却水供給手段、１８…
…第１の分流路、１９……第２の分流路、２１，
３０，３１……ラジエータ、２２，２２′……ウ
オータポンプ、２７……第１の流入路、２８……
第２の流入路。 Fig. 1 is a schematic configuration diagram showing one embodiment of a cylinder head cooling structure to which the present invention is applied, Fig. 2 is a sectional view of the cylinder head of Fig. 1, and Fig. 3 is a diagram showing a second embodiment of the present invention. FIG. 1...Engine, 2...Cylinder head, 3...
...Cylinder block, 4, 5...Water jacket, 8...Intake passage, 9...Exhaust passage, 14...
...Partition wall, 15...First waterway, 16...Second
Water channel, 17, 26...Cooling water supply means, 18...
...first branch channel, 19...second branch channel, 21,
30, 31...Radiator, 22, 22'...Water pump, 27...First inflow path, 28...
Second inflow path.

Claims

[Scope of Claim for Utility Model Registration] (1) A water jacket is formed in the cylinder head, which has an intake passage communicating with the combustion chamber on one side and an exhaust passage on the other side, and cooling is provided within the water jacket. In a cooling structure for a cylinder head that allows water to flow, a partition wall that divides a water jacket into a first water channel that cools one side of the cylinder head and a second water channel that cools the other side;
Cooling water supply means for separately supplying cooling water to the first and second water channels to increase the cooling capacity of the second water channel compared to the cooling capacity of the first water channel. Cylinder head cooling structure. (2) The cooling water supply means includes a first branch channel that connects the first water channel and a water jacket formed in the cylinder block, and a first branch channel that connects the second water channel and the water jacket formed in the cylinder block. The first and second branch channels are connected to a common cooling water supply source, and the second branch channel has a wider passage area than the first branch channel. A cooling structure for a cylinder head according to claim 1. (3) The cooling water supply means connects the first water channel and the water jacket of the cylinder block, and
a first inflow path through which cooling water, which is cooled by the radiator of the cylinder block and is pumped from the first water pump to the water jacket of the cylinder block, flows into the first waterway; connected to a water pump, cooled by a second radiator, and
2. The cylinder head cooling structure according to claim 1, further comprising a second inflow path through which cooling water pumped from the second water pump flows into the second waterway.