SU1071792A1 - Device for feeding water into exhaust manifold of ic engine - Google Patents

Abstract

A DEVICE FOR WATER SUPPLY IN THE EXHAUST MANIFOLD OF THE INTERNAL COMBUSTION ENGINE, containing the tank. Partially filled with water, and jet packs placed in the collector and connected via a pressure pipe and branches to a tank under the water level, are different there that, in order to simplify the design, the tank is sealed and its internal cavity is additionally connected to the engine exhaust manifold through a return valve located below the water level. ,

Description

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X The invention relates to mechanical engineering, in particular engine building, namely to devices for supplying water to an exhaust manifold of an internal combustion engine. Devices are known for supplying water to an exhaust manifold of an internal combustion engine, comprising a tank partially filled with water and nozzles disposed in the manifold associated with a pressure pipe and branches with a tank below the water level. The known devices provide injection of the exhaust manifold of the engine depending on its mode of operation. As a result, the exhaust gas toxicity is reduced, the cooling of the collector til is improved. However, in known devices the water supply is controlled by marking complex devices whose reliability is limited. The purpose of the invention is to simplify the design. This goal is achieved by the fact that in the device for supplying water to the exhaust manifold of an internal combustion engine containing a tank partially filled with water, ri | nozzles placed in the manifold and connected by means of an injection pipe and branches to the tank below the water level, the tank is sealed and its internal cavity is additionally connected to the engine exhaust manifold via a check valve located below the water level. The drawing shows a diagram of the proposed device. The hermetic tank 1, partially filled with water 2, is connected with the discharge pipe 3 and branches 4-7 with nozzles 8-11 located in the exhaust manifold 12. Internal cavity 1; tank 1 is connected to the exhaust manifold through a check valve 14, located under the water level 15. A normal valve 16 is installed in the inlet pipe 3, and a check valve 14 is installed in the pipe 17. The device operates as follows. When the internal combustion engine is operating in the exhaust manifold 12, the pressure of the gas changes periodically. The pressure pulsations are transmitted from the manifold 12 through the nozzle 17 through the check valve 14 to the cavity of the tank 1. The check valve 14 opens only when pressure is in. The tube 17 exceeds the pressure in tank 1. Thus, in tank 1, a pressure close to the amplitude value of the pressure of gases in the collector 12 is established. If necessary, the temperature of the exhaust gases entering the collector is opened, the normally closed valve 16 and water 2 from the tank open 1 through conduit 3 and branches 4-7 goes to nozzles 8-11. Water is injected from the injectors into the exhaust manifold during periods when the water pressure in front of them exceeds the instantaneous pressure value in the manifold. When the temperature of the gases entering the collector 12 is below a predetermined value, the valve 16 closes the bar and stops the flow of water to the nozzles 9-11. The durability of the check valve 14 is ensured by the fact that it is located in the lower part of the tank 1 and is washed by WATER, contributing to its intensive cooling. Thus, the proposed device for supplying water to the exhaust manifold allows the injection of water and significantly simplifies the design, which increases reliability and reduces operating costs.

Claims (1)

A device for supplying water to the exhaust manifold of an internal combustion engine, comprising a tank partially filled with water and φόρ * suckers placed in the collector and connected by means of a discharge pipe and branches with a tank under the water level, characterized in that, for the purpose of simplifying the construction the tank is sealed and its internal cavity is additionally connected to the exhaust manifold of the engine through a check valve located below the water level. T6Sh (N