Supercharger bearing body structure
A bearing body and supercharger technology, which is applied in the direction of machines/engines, engine components, mechanical equipment, etc., can solve the problems of easy wear of turbine rotors, etc.
Inactive Publication Date: 2019-07-12
CHINA NORTH ENGINE INST TIANJIN
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Problems solved by technology
[0003] In view of this, the present invention aims to propose a supercharger bearing body structure to solve the problem that the turbine rotor is easy to wear when the existing turbocharged diesel engine is cold started
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[0015] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0016] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...
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The invention provides a supercharger bearing body structure which comprises a body, wherein a bearing hole is arranged in the axis of the body, and an oil inlet channel and an oil return channel which communicate with the bearing hole are further arranged on the body; a chamber is arranged in one side of the body, and an inner space is formed after the outer end of the chamber is blocked by a process plug; a piston capable of moving left and right is arranged in the middle of the chamber, the piston divides the chamber into a left part and a right part, the left side of the chamber is an oilchamber, and the right side of the chamber is an air chamber; the left side of the oil chamber communicates with the oil inlet channel through a communication pipe; and an air inlet hole is formed inthe upper portion of the air chamber, and the air inlet hole communicates with an electromagnetic valve which communicates with an air inlet pipe. When a diesel engine works, lubricating oil in a mainoil passage automatically fills the oil chamber. When the diesel engine is started again, the electromagnetic valve is opened, compressed air pushes the piston, the lubricating oil in the oil chamberis injected into the bearing part of the bearing body, and the problems of temporary oil supply insufficiency at the bearing part of a turbocharger and high risk of abrasion to a turbine rotor duringcold starting of the diesel engine are solved.
Description
technical field [0001] The invention belongs to the field of electromechanical technology, and in particular relates to a supercharger bearing body structure. Background technique [0002] In the prior art, when the turbocharged diesel engine is left standing for a long time, the lubricating oil flows back into the oil pan of the engine, and there is no lubricating oil in the bearing hole of the supercharger. When starting again, the turbine rotor is prone to wear. Contents of the invention [0003] In view of this, the present invention aims to propose a supercharger bearing body structure to solve the problem that the turbine rotor is easy to wear when the existing turbocharged diesel engine is cold started. [0004] In order to achieve the above object, technical solution of the present invention is achieved in that way: [0005] A supercharger bearing body structure, including a body, the shaft center of the body is provided with a bearing hole, the body is also prov...
Claims
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IPC IPC(8): F01D25/16F01D25/18F02B39/14
CPCF01D25/16F01D25/18F02B39/14
Inventor 王振彪邓春龙宋志伟
Owner CHINA NORTH ENGINE INST TIANJIN