Mechanical supercharger structure with decompression function

A mechanical supercharger, functional technology, applied in the direction of mechanical equipment, machine/engine, engine components, etc., can solve the problems of weakening product competitiveness and achieve the effect of compact structure, good interchangeability, and good oil-gas separation effect
CN102817705AActive Publication Date: 2012-12-12JAPHL POWERTRAIN SYST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JAPHL POWERTRAIN SYST
Publication Date
2012-12-12

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Abstract

The invention provides a mechanical supercharger structure with a decompression function, applied to the technical field of engine superchargers. According to the mechanical supercharger structure, an input shaft gear (10) on an input shaft (2) is meshed with a driving shaft gear (15) on a driving shaft (19); the driving gear (16) coaxial connected with the driving shaft gear (15) is simultaneously meshed with a driven gear (1) on a driven shaft (20); the input shaft (2) is provided with an axial decompression hole (5); one end of the axial decompression hole (5) is communicated with a lubricating oil cavity (23), and the other end of the axial decompression hole (5) is communicated with the outside; and the axial decompression hole (5) is provided with a decompression valve (1) capable of regulating the pressure inside the lubricating oil cavity (23). By the mechanical supercharger structure with the decompression function disclosed by the invention, the pressure inside the lubricating oil cavity of a mechanical supercharger can always be kept within a reasonable scope; and the supercharger structure has the characteristics of being stable and reliable in decompression, and good in oil-gas separation effect.
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Description

technical field

[0001] The invention belongs to the technical field of engine superchargers, and more specifically relates to a supercharger structure with pressure relief function. Background technique

[0002] Supercharging is a technology that pre-compresses air and then sends it into the cylinder in order to increase air density and increase intake air volume. As the intake air volume increases, the circulating oil supply volume can be increased correspondingly, thereby increasing the engine power per liter. At the same time, supercharging can not only improve fuel economy, but also be widely used as an effective technical measure to control emissions. Practice has proved that after using turbocharging or supercharging on the engine of a small car, when the car is running at a normal economic speed, not only good fuel economy can be obtained, but also the specific emission of harmful emissions can be effectively reduced ( emissions per unit power hour). At the same ti...

Claims

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