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Diesel engine combustion device capable of changing clearance volume

A technology of clearance volume and combustion device, which is applied in the direction of mechanical equipment, engine components, engine ignition, etc., can solve the problems of increasing the stability of gasoline engine parts, etc., and achieve the effect of improving working ability, increasing flame propagation speed, and improving thermal efficiency

Inactive Publication Date: 2013-05-15
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Helps increase the stability of gasoline engine parts

Method used

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  • Diesel engine combustion device capable of changing clearance volume
  • Diesel engine combustion device capable of changing clearance volume
  • Diesel engine combustion device capable of changing clearance volume

Examples

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Embodiment Construction

[0016] The purpose and effects of the present invention will become more apparent by describing the present invention in detail below with reference to the accompanying drawings.

[0017] Such as figure 1 As shown, a gasoline engine combustion device with variable clearance volume of the present invention includes: a housing upper cover 1, a preload spring 2, a housing 3, a gas sealing ring 4, a cylinder head 5, a cylinder block 6, a piston 7. Connecting rod 8, automatic piston 9, spark plug 10, valve stem 11, intake manifold 12, piston gas sealing ring 13, oil sealing ring 14, crankcase 15.

[0018] Cylinder head 5, cylinder block 6, crankcase 15 are fixedly installed successively, housing, spark plug 10, valve rod 11 and intake manifold 12 are all installed on cylinder head 5. The housing upper cover 1 is fixedly installed on the housing 3, the central axis of the inner cavity of the housing 3 is aligned with the axis of the through hole on the upper side of the cylinder he...

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Abstract

The invention discloses a diesel engine combustion device capable of changing clearance volume which comprises a shell body, a pre-loaded spring, a gas sealing ring, an automatic piston, a cylinder cover, a cylinder body, a piston, a connecting rod, a sparking plug, a valve rod, an intake manifold, a piston gas sealing ring, an oil sealing ring and a crank case. A through hole is formed in the top of the cylinder cover, the shell body is installed in the through hole, the automatic piston is arranged inside the through hole of the shell cylinder and also extends in the through hole of the top of the cylinder, and the pre-loaded spring maintains the piston under a down-pressing state. The diesel engine combustion device capable of changing the clearance volume can optimize combustion conditions of a gasoline engine, effectively solves the defects that when a spark advance angle is enlarged, pressure in a cylinder is too high, compression negative work is too large, and is favorable for stability increasing of parts of the gasoline engine. The diesel engine combustion device capable of changing the clearance volume is simple and stable.

Description

technical field [0001] The invention relates to a gasoline engine combustion device, in particular to a gasoline engine combustion device with variable clearance volume. Background technique [0002] In a conventional gasoline engine, when the piston moves up to the top dead center, the clearance volume cannot be adjusted, and the pressure rise rate is large, resulting in a large compression negative work. Relying on the spark plug to ignite and burn, the ignition advance angle is too large, and the combustion is too fast, so that the pressure in the cylinder rises too fast, the compression negative work is large, and the work is rough; when the ignition advance angle is small, the flame propagation speed after top dead center is slow, and the combustion speed Slow, low thermal efficiency of combustion. Contents of the invention [0003] The purpose of the present invention is to address the deficiencies in the prior art and provide a gasoline engine combustion device wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B75/38F02P5/00
Inventor 何文华胡滨鹏戴明新侯明阳王英辉
Owner ZHEJIANG UNIV
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