Reversal firing resisting single-cylinder diesel engine and reversal firing resisting method for single-cylinder diesel engine

A diesel engine, anti-reverse technology, applied in the direction of machines/engines, mechanical equipment, engine components, etc., can solve problems such as easily hurting people, and achieve the effect of increased cost and safety assurance

Inactive Publication Date: 2008-02-20
JIANGSU NONGHUA WISDOM AGRICULTURAL SCIENCE AND TECHNOLOGY CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the defect of the existing camshaft technology of single-cylinder diesel engine, when it is manually cranked, it is easy to hurt people due to reverse operation, we have improved the cam profile of the high-pressure oil pump and its matching with the phase angle of the in

Method used

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  • Reversal firing resisting single-cylinder diesel engine and reversal firing resisting method for single-cylinder diesel engine
  • Reversal firing resisting single-cylinder diesel engine and reversal firing resisting method for single-cylinder diesel engine
  • Reversal firing resisting single-cylinder diesel engine and reversal firing resisting method for single-cylinder diesel engine

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Embodiment Construction

[0030] As shown in Figures 1A, 1B and 2, Figures 1A and 1B are schematic diagrams of the shapes and phase angles of the single-cylinder diesel engine oil pump cam and the intake and exhaust cams in the prior art. Figure 1B is a side view of Figure 1A, and Figure 2 is A schematic diagram of the driving of camshaft components of a single-cylinder diesel engine in the prior art. The camshaft assembly includes a camshaft 3, an oil pump cam 8, a camshaft gear 1, an intake cam 9, and an exhaust cam 10. Through the angle phase shown in Figure 1A and Figure 1B, the fuel injection and the intake and exhaust are ensured to achieve the intake stroke, compression stroke, power stroke, and exhaust stroke of a single-cylinder diesel engine, which completes a complete and continuous working cycle. .

[0031] As shown in Fig. 2, Fig. 2 is a schematic diagram of the driving of camshaft components of a single-cylinder diesel engine in the prior art. When the diesel engine is working normally, the c...

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Abstract

The invention relates to a single cylinder diesel which can prevent the reverse ignition and comprises a camshaft main body (3'), an oil pump cam (8'), an inlet cam (9'), an exhaust cam (10'); the oil pump cam (8') arranged on the camshaft main body (3') drives a high pressure oil pump, the high-pressure fuel is injected into a cylinder through an oil injector; the inlet cam (9') arranged on the camshaft main body (3') drives an inlet jib body (4') to actuate an inlet pushrod (5'), and drive a valve rocker to drive an inlet valve to open or close in time; The exhaust cam (10') arranged on the camshaft main body (3') drives the exhaust jib body (7'), to actuate an exhaust push rod (6') and drive an exhaust valve rocker to drive the exhaust valve to open or close in time; the invention is characterized in that when the diesel engine reverses to the oil injection state, any of the inlet valve or exhaust valve of the engine is in the open state.

Description

Technical field: [0001] The invention newly relates to a single-cylinder diesel engine, in particular to a single-cylinder diesel engine with anti-reversal ignition and a method for preventing the single-cylinder diesel engine from reversing ignition. Background technique: [0002] The usual single-cylinder four-stroke diesel engine constitutes different strokes through the up and down movement direction of the piston in the cylinder and the start and stop positions (also called top dead center and bottom dead center). The four strokes form a working cycle, which is followed by The intake stroke, compression stroke, power stroke and exhaust stroke constitute a complete and continuous working cycle. By the forced transmission relationship of the diesel engine timing gear, when the piston is moving, the transmission chain consisting of the piston, piston pin, connecting rod, crankshaft, timing gear, camshaft, tappet, push rod, rocker arm, and valve makes the driving Valves and exha...

Claims

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Application Information

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IPC IPC(8): F01L13/00
Inventor 李玉刚张超建蔡茂春
Owner JIANGSU NONGHUA WISDOM AGRICULTURAL SCIENCE AND TECHNOLOGY CO LTD
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