Exhaust cam of pressurizing type gasoline direct injection engine
A technology of exhaust cam and gasoline engine, which is applied in the direction of valve details, valve driving devices, etc., can solve the problems of poor acceleration at low speed, powerless engine at low speed, large response hysteresis, etc., to improve low-speed performance, high torque and power, reduce The effect of the degree of hysteresis
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[0020] The core of the invention is to provide an exhaust cam for a supercharged direct injection gasoline engine, which reduces the response hysteresis of the exhaust cam at low speed and improves the low-speed performance of the engine.
[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] Please refer to figure 1 and figure 2 , the embodiment of the present invention provides an exhaust cam for a supercharged direct injection gasoline engine. The cam profile of the exhaust cam includes a buffer sect...
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