Continously variable valve timing valve actuating mechanism piston IC engine

A valve train, valve timing technology, applied in the direction of internal combustion piston engine, machine/engine, mechanical equipment, etc., can solve the problems of inability to control the duration of intake and exhaust valves, limit the effective power and thermal efficiency of internal combustion engines, and achieve exhaust gas. The effect of rapid, clean exhaust and bottom removal, and rapid combustion

CN1831304AInactive Publication Date: 2006-09-13王雪松
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2006-09-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention is a piston internal-combustion engine with continuously variable valve timing mechanism, characterized by that: it adopts a structure of main and auxiliary gas inlet and outlet cam shafts, where each cam shaft can control corresponding gas inlet and outlet valves, the main cam shaft controls ON / OFF of main gas inlet and outlet valves, and the auxiliary one controls ON / OFF of auxiliary gas inlet and outlet valves. And it can control ON / OFF time and ON-to-OFF time of the gas inlet and outlet valves by continuously varying valve timing of the gas inlet and outlet cam shafts, thus further improving effective power and thermal efficiency of internal-combustion engine and reducing fuel oil consumption and pollutant discharge.
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Description

Technical field

[0001] A continuously variable valve timing valve mechanism piston internal combustion engine, especially a continuously variable valve timing arrangement that controls the opening and closing and duration of the intake and exhaust valves by continuously changing the phase of the intake and exhaust camshafts Pneumatic piston internal combustion engine. Background technique

[0002] At present, the continuously variable valve timing mechanism of the known piston internal combustion engine can only control the opening and closing time of the intake and exhaust valves by changing the timing of the intake and exhaust valve camshafts, but cannot control the intake and exhaust valves from opening to closing. duration. Thereby limiting the further improvement of the effective power and thermal efficiency of the internal combustion engine through the continuously variable valve timing system, the reduction of fuel consumption and the improvement of pollutant emissio...

Examples

Embodiment Construction

[0051] exist Figure 5 Among them, the installation hole (39) on the bottom surface of the cylinder head (5), the lubricating oil passage (41), the cooling liquid passage (42), the combustion chamber (40) and the main intake valve (4) in the combustion chamber (40) , auxiliary intake valve (12), main exhaust valve (16) and auxiliary exhaust valve (15) and spark plug (21).