Mini car and motorcycle general type turbo-charger

Abstract

The invention provides a turbocharger for a minitype saloon car and a motorcycle, which comprises a compressor volute casing, a self-locking nut, a compressor impeller, a sealing socket, a compression end sealing ring, a floating bearing, a thrust washer, a shaft gland, a bearing body, a turbine shaft, a turbine cylinder, etc. The invention is characterized in that: the shaft gland is matched with the sealing socket by adopting double inclined planes; the shaft gland is provided with two sealing ring slots which are matched with the sealing socket to form a double-ring inclined plane hermetically-sealed construction; a scavenge oil cavity is formed between the two sealing surfaces of the sealing socket, and is communicated with the scavenge oil cavity of the bearing body; the hot end of the bearing body is provided with a cooling water passage. The double-ring inclined plane hermetically-sealed construction solves the poor sealing of the single seal groove, and reduces the oil impregnation resulting from the suction pressure of the negative end. The hot end of the bearing body is provided with the cooling water passage, and can carry away some heat through the water circulation, thus preventing the over-high temperature from damaging the internal components and parts. In this way, the supercharger is miniaturized so that the complete machine has the advantages of compact structure, small size, reduced oil consumption, improved power and reduced content of exhausted pollutant.

Description

technical field [0001] The invention relates to a turbocharger, in particular to a universal turbocharger for miniature cars and motorcycles. Background technique [0002] With the continuous introduction of new emission standards, more and more engines meet the requirements of the new standards by matching turbochargers, but currently domestic commercialized turbochargers are mainly used with gasoline engines with a power greater than 50KW, and no It can be matched with gasoline engines of low-displacement mini-cars and high-power motorcycles. This is mainly because the size of the matched turbocharger is smaller than the existing products on the market, and the reliability of the sealing ring (especially the sealing ring at the pressure end) has become a key technology. Contents of the invention [0003] The purpose of the present invention is to provide a general-purpose turbocharger for miniature cars and motorcycles, which can be matched with miniature car engines an...

AI Technical Summary

Problems solved by technology

[0002] With the continuous introduction of new emission standards, more and more engines meet the requirements of the new standards by matching turbochargers, but currently domestic commercialized turbochargers are mainly used with gasoline engines with a power greater than 50KW, and no Matched with gasoline engines of low-emission mini-cars and high-power motorcycles

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