Asymmetric double-channel variable section turbocharger

A turbocharger, dual-flow technology, applied in the direction of machine/engine, internal combustion piston engine, mechanical equipment, etc., to achieve the effect of good inheritance, easy upgrade and switching, and simple structure
CN101694178AInactive Publication Date: 2010-04-14KANGYUE TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KANGYUE TECH
Publication Date
2010-04-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an asymmetric double-channel variable section turbocharger, comprising a turbine volute which is internally provided with a turbine impeller and a volute gas inlet channel; the volute gas inlet channel is provided with a volute nozzle at the position close to the turbine impeller; and the volute gas inlet channel comprises a small volute gas inlet channel and a large volute gas inlet channel which is positioned at one side of the small volute gas inlet channel. The asymmetric double-channel variable section turbocharger carries out modification and designing on the traditional turbine volute, adopts the combination of double gas inlet channels, and forms different through flow sections, and effectively utilizes the energy of waste gas of an engine. By fully utilizing the energy of waste gas exhausted by the engine, the asymmetric double-channel variable section turbocharger realizes the same variable section turbine function, can not change the whole structure greatly, and has low cost and easy realization.
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Description

technical field

[0001] The invention relates to an exhaust gas turbocharger used in a supercharged engine, in particular to an asymmetrical double-channel variable cross-section turbocharger which can effectively take into account the high and low speed supercharging requirements of the engine and has different flow cross-sectional areas. , belonging to the field of internal combustion engines. Background technique

[0002] With the continuous development of national emission regulations and user needs, the supercharging technology of engines, especially diesel engines, has also made great progress. The structure of the exhaust gas turbocharger has developed from the traditional fixed section to the exhaust gas bypass that can take into account the low-speed torque of the engine. Structural turbocharger, after the implementation of the National III emission regulations, people have more and more demand for an engine turbocharger that can take into account the high and low sp...

Claims

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