The first domestic pioneer, FAW Hongqi announced the new technology of 15TD hybrid special engine to reduce fuel consumption by 2% – Passionategeekz

Passionategeekz On June 24, FAW Hongqi issued a statement today, Hongqi developed a hybrid special engine based on 15TD.Breakthrough of the integrated air intake technology of cylinder heads and separate exhaust boosting technologybreak the bottleneck of traditional engine technology.

The intake system of a traditional engine consists of an intake pressure stabilization chamber, an intake manifold and an intake passage, and there are problems such as long intake pipes, large intake resistance, and high intake temperature.

To this end, Hongqi breaks through the integrated intake technology of cylinder heads, and optimizes and improves the traditional engine cylinder heads to shorten the intake path, realizes the high integration of the intake pressure stabilization chamber and intake passage with the cylinder head, reducing the intake resistance and intake temperature rise.Reduce pump air loss by 15%, and reduce fuel consumption by 1.5% under actual operating conditions, while achieving a smaller and compact design of the engine structure。

The split exhaust gas boosting technology summarizes the two exhaust valves of the same cylinder into bypass and boosting paths. Through the transient simulation design of the exhaust pipeline, the separation of the cylinder head exhaust passage and the optimization matching of the exhaust cam, the efficient “separation” of the exhaust air flow is achieved, the exhaust pressure and temperature are reduced, and the residual exhaust gas in the cylinder is reduced.This improves the overall efficiency of the booster system by 10%, reduces pump gas loss by 15%, and reduces fuel consumption by 2% under the actual working conditions of the user. Passionategeekz learned from FAW Hongqi that this technology is the first-ever engine structure design optimization case launched in the industry and the first domestically.

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