JPS6040821Y2 - Engine water cooling radiator - Google Patents

Description

[Detailed explanation of the invention] This invention pumps engine cooling water in a radiator heat radiation pipe into a cooling water tank configured so that at least a portion of water discharged from a water pump driven by engine output is supplied and flowed. This invention relates to a water-cooled radiator that is cooled by spouting water.

This water-cooled radiator is capable of extremely powerful engine cooling compared to air-cooled radiators, and has the feature that the radiator itself can be made much smaller. However, if the pump discharge water is not clean, There was a risk that foreign matter such as dirt and sand contained in the cooling water tank would clog the cooling water tank, blocking the flow of water and causing an extreme drop in cooling efficiency.

This invention is an attempt to solve the above problem by making foreign matter contained in the water sent to the cooling water tank flow out together with the water without leaving it in the tank as much as possible.
The feature is that the water inlet and outlet of the cooling water tank are connected through a porous pipe.

Examples of this invention will be described below based on the drawings.

The figure shows an engine pump using a horizontal diesel engine, with crankcase 2 equipped with cylinder 1 horizontally.
A centrifugal water pump 6 configured to be attached to an impeller 4 on a flywheel 3 and rotated within a casing 5 is installed in front of the crankcase 2, and a radiator 7 is directly mounted on the upper part of the crankcase 2.

The radiator 7 is configured by installing a group of 10 radiation tubes in the cooling water tank 11 that communicate and connect the upper tank 8 and the cooling water jacket 9 around the cylinder, and connects the upper tank 8 and the cooling water jacket 9 around the cylinder to the cooling water tank 11. A part of the water discharged from the pump 6 is supplied to the cooling water tank 11 by connecting the water discharge flow 13 provided at the lower part of the water tank 11 with a pipe 14, and the engine cooling water in the radiator heat radiation pipe 10 is supplied to the pump discharge water. After the water is forcibly cooled, it is discharged from the upper drain port 15 and returned to the water intake port 23 of the pump 6 at the pub 24.

The discharge water inlet 13 and the discharge outlet 15 are connected by a pipe having a large number of small punched holes or a porous pipe 16 having a cylindrical mesh. Foreign matter is passed through a pipe 16 and discharged from a drain port 15 without being retained in a water tank 11.

Further, a discharge port 17 is provided at the bottom of the cooling water tank 11 for removing fine foreign matter that has entered the tank through a small hole in a pipe 16 and settled therein, and is closed with a removable lid 18. .

The lid 18 includes a plate 19 that swings outward in response to the weight of the sediment, and a precipitation indicator that allows monitoring of the swinging of the plate 19 from the outside of the transparent case 21 as the displacement of a gauge rod 20. A container 22 is equipped so that if the sediment becomes too large, the lid 18 can be opened at the appropriate time to remove it.

In the embodiment, the impeller 4 is attached to the flywheel 3 to constitute the water pump 6, but it is also possible to implement a form in which a separate water pump is driven by the engine output.

It is also possible to implement a system equipped with a dedicated pump that uses the entire amount of discharged water for cooling the radiator.

As explained above, in the water-cooled radiator of the engine of this invention, the water discharge inlet and the water discharge port of the cooling water tank that forcibly cools the radiator radiator tube are connected through a porous pipe, so that foreign matter is not contained in the discharge water. Even if the water is in the tank, it does not flow into the water tank and stay there, but instead flows out along the passage inside the pipe, making it possible to perform good cooling over a long period of time without clogging.

[Brief explanation of drawings]

The drawings show an embodiment of this invention; FIG. 1 is a front view of an engine pumping machine, FIG. 2 is a longitudinal sectional side view of the main part, and FIG. 3 is a longitudinal sectional front view of the radiator section. 6... Lifting pump, 10... Radiator heat radiation pipe, 11... Cooling water tank, 13...
・Water inlet, 15... Drain port, 16...
··pipe.

Claims (1)

[Claims for Utility Model Registration] 1. A radiator heat dissipation pipe 10 is installed inside a cooling water tank 11 configured to supply and drive at least a part of water discharged from a water pump 6 driven by engine output, In a water-cooled radiator for an engine in which the engine cooling water in the heat radiation pipe 10 is cooled by pump discharge water,
A water-cooled radiator for an engine, in which a water outlet 13 of a cooling water tank 11 and a drain port 15 are connected through a porous pipe 16. 2. The radiator according to claim 1, wherein a sediment discharge port 17 is provided at the lower part of the cooling water tank 11.