US Patent 7353836 Device for purging deposit from an engine

There is disclosed a device for purging filth from an engine. The device includes a closing element for closing a tank. The closing element defines a first channel through which a purging agent goes to the engine from the tank and a second channel through which pressurized air goes to the tank from a source. A single-channel joint defines a channel in communication with the second channel of the closing element. A pressure regulation set is in communication with the channel of the single-channel joint. A bi-channel joint defines a first channel in communication with the pressure regulation set and a second channel in communication with the first channel perpendicularly. A release valve is in communication with the second channel of the bi-channel joint. A check valve is installed in the first channel of the bi-channel joint.