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Double-crank mechanism engine

A double crank mechanism and engine technology, applied in the direction of machines/engines, engine components, mechanical equipment, etc., can solve problems such as low reliability, achieve the effects of reducing friction loss, increasing limit speed, toughness and manufacturing cost

Active Publication Date: 2015-04-01
王蓬波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ceramic material is a material with good heat insulation effect. If the parts of the cylinder liner, piston and other parts in direct contact with high-temperature gas are made of ceramic material, the actual thermal efficiency can be improved, but the low reliability caused by the brittleness of ceramic material becomes Technical obstacles in its application to engines

Method used

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Experimental program
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Effect test

Embodiment 1

[0061] Embodiment 1, with reference to Figure 2-Figure 9 , said cylinder 2 has four, and four cylinders 2 are arranged in parallel in two rows, and described piston 3, piston rod 3-1 are corresponding to the quantity and the position of cylinder 2; Described connecting rod 4 simultaneously from two The connecting rod slots 3-2 of the two piston rods 3-1 between the crankshafts 1 pass through, and the connecting rods 4 and the crank pins on each crankshaft 1 correspond to the number and position of the single-row cylinders 2 .

Embodiment 2

[0062] Embodiment 2, with reference to Figure 10-Figure 15 , there are four cylinders 2, and the four cylinders 2 are arranged in a straight line, the number and position of the piston 3, the connecting rod 4, the piston rod 3-1 and the crank pin on each crankshaft 1 and the cylinder 2 Corresponding.

[0063] When the piston does work, the linear reciprocating motion of the piston is converted into the rotation of the connecting rod and the crankshaft. The guide block bears the lateral force, and the force-bearing area is transferred to the low-temperature and easy-to-lubricate area outside the cylinder. The rotation of the crankshaft is transmitted to the output shaft 7 by the gear transmission pair. To do work externally. Four cylinders correspond to four strokes to ensure continuous output.

Embodiment 3

[0064] Embodiment 3, with reference to Figure 16-Figure 25 , the piston 3 is a double-headed piston, that is, a piston 3 is provided at both ends of the piston rod 3-1, and a cylinder 2 is arranged at each end of the piston 3 . As an improvement, each of the two ends of the piston rod 3-1 has a row or double exhaust cylinder 2, and the crank pin on the piston 3, connecting rod 4, piston rod 3-1 and each crankshaft 1 is connected with the The number and position of the cylinders 2 are adapted.

[0065] In the double crank mechanism, the friction between the piston and the connecting rod causes the lateral force of the piston, the piston slides reciprocally along the guide block, and the lateral force of the piston is completely borne by the guide block so as not to cause the impact friction between the piston and the cylinder liner. Whether it is the friction between the piston and the connecting rod or the friction between the piston and the guide block, they are all in a lo...

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Abstract

The invention discloses a double-crank mechanism engine, belonging to the technical field of engines. The double-crank mechanism engine comprises a gas cylinder and a piston capable of performing straight reciprocating motion in the gas cylinder, wherein two parallel crankshafts are arranged at the two sides of the gas cylinder; a connecting rod is hinged between corresponding crankshaft pins of the two crankshafts to form a double-crank mechanism; a connecting rod insertion slot and a slide block are arranged on a piston rod on the rear end of the piston, the connecting rod is inserted to the connecting rod insertion slot in a sliding manner, a guide block is fixed in the engine; a guide rail for sliding the slide block is formed on the guide block; the slide block is inserted to the guide rail; transmission gears are arranged on the end parts of the crankshafts; an output gear is engaged between the two transmission gears; and an output shaft is arranged on the output gear. The double-crank mechanism engine can be used for effectively lowering the abrasion and the impact of the piston and a cylinder sleeve, improving the reliability of the ceramic material applied to the engine and improving the practical heating efficiency.

Description

technical field [0001] The invention relates to a high-efficiency engine and belongs to the technical field of engines. Background technique [0002] It is known in the field of engines that the Otto thermodynamic cycle includes two isovolumic heat absorption and heat release processes, and two adiabatic compression and expansion processes. Taking the compression ratio of 10 as an example, the theoretical thermal efficiency is about 60%. A gasoline engine is an internal combustion engine that approximately follows the Otto cycle, and its actual thermal efficiency is about 30%. For example, the theoretical thermal efficiency is about 58%. A diesel engine is an internal combustion engine that approximately follows the Diesel cycle, and its actual thermal efficiency is about 35%. [0003] It can be seen that whether it is a gasoline engine or a diesel engine, the actual thermal efficiency is much lower than the theoretical thermal efficiency. One of the main reasons for this ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B75/32F02F1/00F02F3/00
Inventor 王蓬波周建涛刘洋
Owner 王蓬波
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