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Temperature-controllable diesel generator piston

A diesel generator and piston technology, applied in the direction of pistons, engine components, machines/engines, etc., can solve the problems of poor cooling effect, scrapped piston cylinders, low cooling efficiency, etc., and achieve good cooling effect, long working life, cooling Efficient effect

Inactive Publication Date: 2015-04-29
无锡圣鑫科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the piston is the key working part in the cylinder. If the temperature of the diesel generator cannot be effectively controlled, it may cause the piston to stick to the cylinder, resulting in the scrapping of the piston or cylinder.
In the prior art, the cylinder and piston are generally cooled outside the cylinder, which has poor cooling effect and low cooling efficiency

Method used

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  • Temperature-controllable diesel generator piston
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  • Temperature-controllable diesel generator piston

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A temperature-controllable diesel generator piston includes a piston body 1 , a protrusion 2 is provided on the surface of the piston body 1 , and a cooling channel 3 is provided inside the protrusion 2 , and the cooling channel 3 runs through the piston body 1 .

[0028] In this embodiment, the cooling channel 3 includes a cooling medium inflow channel 31 and a cooling medium outflow channel 32 ; the cooling medium inflow channel 31 communicates with the cooling medium outflow channel 32 inside the protrusion 2 .

[0029] It also includes a heat exchange tube 4, the heat exchange tube 4 is divided into a cooling medium inflow tube 41 and a cooling medium outflow tube 42; the cooling medium inflow tube 41 is connected to the cooling medium inflow channel 31;

[0030] Use the heat exchange tube 4 to connect the cooling passage 3 of the piston body 1, and the cooling medium can heat or cool down the piston body 1 through the cooling passage 3; the protrusions 2 are small a...

Embodiment 2

[0037] A temperature-controllable diesel generator piston includes a piston body 1 , a protrusion 2 is provided on the surface of the piston body 1 , and a cooling channel 3 is provided inside the protrusion 2 , and the cooling channel 3 runs through the piston body 1 .

[0038] In this embodiment, the cooling channel 3 includes a cooling medium inflow channel 31 and a cooling medium outflow channel 32 ; the cooling medium inflow channel 31 communicates with the cooling medium outflow channel 32 inside the protrusion 2 .

[0039] It also includes a heat exchange tube 4, the heat exchange tube 4 is divided into a cooling medium inflow tube 41 and a cooling medium outflow tube 42; the cooling medium inflow tube 41 is connected to the cooling medium inflow channel 31;

[0040] Use the heat exchange tube 4 to connect the cooling passage 3 of the piston body 1, and the cooling medium can heat or cool down the piston body 1 through the cooling passage 3; the protrusions 2 are small a...

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PUM

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Abstract

The invention relates to the technical field of diesel generators, in particular to a temperature-controllable diesel generator piston which comprises a piston main body, wherein bulges are arranged on the surface of the piston main body; cooling channels are formed in the bulges; the cooling channel penetrates through the piston main body. Heat exchange tubes are connected with the cooling channels of the piston main body; the cooling medium can pass through the cooling channels to heat or cool the piston main body; the bulges are small and dispersed and can obtain relatively high pressure by means of relatively small force, so that the air cylinder working efficiency is higher; on the other hand, the cooling channels are formed in the bulges and the temperature can be adjusted through the cooling channels even if the bulges are greatly affected by heat, so that the piston has longer working life; the piston is high in cooling efficiency, good in cooling effect and controllable in temperature.

Description

technical field [0001] The invention relates to the technical field of diesel generators, in particular to a temperature-controllable diesel generator piston. Background technique [0002] During the working process of the diesel generator, the temperature of the mixed gas in the cylinder after combustion is close to 1800°C, and the temperature of the exhaust gas is about 450°C. Among them, the piston is the key working part in the cylinder. If the temperature of the diesel generator cannot be effectively controlled, it may cause the piston to stick to the cylinder, resulting in the scrapping of the piston or cylinder. In the prior art, the cylinder and the piston are generally cooled outside the cylinder, which has poor cooling effect and low cooling efficiency. Contents of the invention [0003] The object of the present invention is to provide a temperature-controllable diesel generator piston with high cooling efficiency and good cooling effect. [0004] The present ...

Claims

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Application Information

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IPC IPC(8): F02F3/20
CPCF02F3/20
Inventor 金京
Owner 无锡圣鑫科技有限公司
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