Engine oil blending combustion device and method for GPF aging of gasoline direct injection engine in cylinder

Abstract

The invention provides an engine oil blending combustion device and method for GPF aging of a gasoline direct injection engine in a cylinder. The device includes a nitrogen gas tank, a pressure-adjustable reducing valve, an engine oil tank, an engine oil filter, an electromagnetic valve, an engine oil flowmeter, a one-way valve, an even blending intensifying device, a gasoline flowmeter, a gasoline pump and a gasoline tank; the nitrogen gas tank, the pressure-adjustable reducing valve and the engine oil tank are sequentially connected in series through pipes, the engine oil tank is provided with a pressure-adjustable relief valve, and the nitrogen gas tank is combined with the pressure-adjustable reducing valve and the pressure-adjustable relief valve to form an air pressure passage; the engine oil tank, the engine oil filter, the electromagnetic valve, the engine oil flowmeter, the one-way valve and the even blending intensifying device are sequentially connected with one another in series to form an engine oil pipeline; the gasoline tank, the gasoline pump and the gasoline flowmeter are sequentially connected with one another in series to form a gasoline pipeline, and the tail end of the gasoline pipeline is connected with the even blending intensifying device. Even blending combustion of gasoline and engine oil in a GPF aging experiment of the gasoline direct injection engine in the cylinder is achieved, and the blending combustion proportion of the engine oil to the gasoline can be flexibly adjusted according to different work conditions of running of an engine.

Description

technical field [0001] The invention belongs to the field of engines, and in particular relates to an engine oil blending burning device and method for GPF aging of in-cylinder direct-injection gasoline engines. Background technique [0002] Gasoline Direct Injection (GDI) is more and more widely used in passenger cars because of its better power performance and fuel economy. However, because the fuel of the GDI gasoline engine is directly injected into the cylinder, the uneven mixture of oil and gas and the wet wall of the fuel will result in a significant increase in the quality and quantity of particulate matter emissions. Emission regulations are becoming increasingly stringent, especially Euro VI and China VI regulations, which impose strict restrictions on the quality and number of particulate matter in gasoline engines. The corresponding PM and PN limits are 0.0045g / km and 6.0E11 / km respectively. [0003] In this regard, gasoline engine post-treatment technology repr...

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There are few devices using this method at home and abroad, and many use a sepa

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