Adjustable consecutive composite turbocharging system

A turbine and compressor technology, applied to engine components, machines/engines, internal combustion piston engines, etc., to achieve the effects of expanding the operating range, improving matching, and improving performance

Inactive Publication Date: 2008-05-21
HARBIN ENG UNIV
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But no supercharging system is perfect, each has

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  • Adjustable consecutive composite turbocharging system

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Embodiment Construction

[0013] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0014] With reference to Figure 1, the composition of the adjustable sequential compound turbocharging system includes: diesel engine body 2, diesel engine intake pipe 11, diesel engine exhaust pipe 1 in row A, diesel engine exhaust pipe 4 in row B, exhaust connecting pipe 15, intake and exhaust pipes Connecting pipe 6, exhaust pipeline 12, air valve 9 on the intake pipeline, gas valve 7 on the exhaust pipeline, bypass valve 5 on the intake and exhaust connecting pipeline, exhaust valve 13 on the exhaust pipeline, basic compressor 14. Basic turbine 16, controlled compressor 10, controlled turbine 8 and intercooler 3.

[0015] Diesel engine body 2 is respectively connected with diesel engine intake pipeline 11, diesel engine A exhaust pipeline 1 and diesel engine row B exhaust pipeline 4, basic turbine 16 is connected with diesel engine A exhaust pipeline 1, contro...

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Abstract

The present invention provides an adjustable successive composite turbine pressurizing system, consisting of a diesel engine, an inlet pipe of the diesel engine, an outlet pipe of the diesel engine, an exhaust communicating pipe, an inlet and outlet communicating pipe, a drain pipe, an air valve arranged on the inlet pipe, a gas valve arranged on the outlet pipe, a bypass valve arranged on the inlet and outlet communicating pipe, a drain valve arranged on the drain pipe, a basic compressor, a basic turbine, a controlled compressor, a controlled turbine and an intercooler. The present invention can achieve single turbine pressurization, two parallel turbines pressurization, inlet and outlet bypass turbine pressurization and high work condition drain turbine pressurization; improve the match between the turbine pressurizing unit and the diesel engine; enlarge the operating range of the turbine pressurizing diesel engine; and increase the performance of the turbine pressurizing diesel engine within the overall work conditions.

Description

(1) Technical field [0001] The invention relates to a supercharging system of an internal combustion engine, in particular to an adjustable sequential compound turbocharging system. (2) Background technology [0002] In the face of serious global environmental pollution and oil crisis, the main development direction of internal combustion engine must be: higher power density, lower fuel consumption and less emission pollution. Supercharging is not only the most effective means to strengthen the internal combustion engine, but also can reduce the pollution caused by the internal combustion engine and save energy, which plays a very important role in the development of the internal combustion engine. With the development of high-pressure ratio and high-efficiency turbochargers, the supercharging degree of turbocharged diesel engines is getting higher and higher. For example, the average effective pressure of marine high-speed and high-power diesel engines has reached 2.8-3.2MP...

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Application Information

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IPC IPC(8): F02B37/18F02B37/24F02B37/007F01D17/16
CPCY02T10/144Y02T10/12
Inventor 王贺春王伟才王银燕张鹏奇石凡
Owner HARBIN ENG UNIV
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