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Variable valve timing distribution regulating device and method for improving mechanical property of variable valve timing distribution regulating device

A valve timing and adjustment device technology, applied in valve devices, mechanical equipment, engine components, etc., can solve the problems of accelerated adjustment device damage time, shortened life, polluted working oil, etc., to improve surface hardness and wear resistance. , The effect of improving heat resistance and corrosion resistance, and prolonging working life

Inactive Publication Date: 2012-07-11
JAPHL POWERTRAIN SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These rotations are likely to cause wear and tear between the parts due to rotational friction, which accelerates the damage time of the adjustment device and shortens its life; at the same time, the worn impurities pollute the working oil, which easily causes the inability to fully realize its working performance.
In particular, parts processed from light alloy materials (such as the rotor and stator in the variable valve timing air distribution adjustment device in the above Chinese patent application No. 200820114197.1) are not strong enough to withstand high-speed relative rotation. It is prone to oil leakage, wear, crushing and other phenomena, which may lead to the failure of the entire gas distribution adjustment device and greatly affect the service life

Method used

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  • Variable valve timing distribution regulating device and method for improving mechanical property of variable valve timing distribution regulating device
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  • Variable valve timing distribution regulating device and method for improving mechanical property of variable valve timing distribution regulating device

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Embodiment Construction

[0029] In the following, referring to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the function and working principle of each part, etc. will be further described. Details of:

[0030] as attached figure 1 -Attached Figure 4 As shown, the present invention is a variable valve timing valve adjustment device. The variable valve official valve adjustment device includes a stator 1, a rotor 2, a front cover 3, and a rear cover 4. The The surface of the components of the variable valve timing valve adjustment device is provided with an oxide coating film 5 formed by electrochemical surface treatment.

[0031] The surfaces of the stator 1 and the rotor 2 are respectively provided with an oxide coating film 5 formed by electrochemical surface treatment, and the stator 1 and the ro...

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Abstract

The invention provides a variable valve timing distribution regulating device, which is applied in the technical field of variable valve timing of engines. Oxidation coverage membranes (5) formed by electrochemical surface treatment are arranged on the surfaces of a stator (1) and a rotor (2). The invention also relates to a method for improving the mechanical property of the variable valve timing distribution regulating device. The method comprises the following steps of: performing electrochemical surface treatment on the stator (1) and the rotor (2); and forming the oxidation coverage membranes (5) capable of improving the surface hardness and the abrasion resistance of the stator (1) and the rotor (2) on the surfaces of the stator (1) and the rotor (2) respectively. By the device and the method, the surface hardness and the abrasion resistance of the stator and the rotor are improved, so that abrasion influences caused by rotation friction are reduced to the minimum extent, and crushing is prevented; and simultaneously, the heat resistance and the corrosion resistance of parts are improved, so that the service life of the device are greatly prolonged.

Description

technical field [0001] The invention belongs to the technical field of engine variable valve timing, and more particularly, relates to a variable valve timing valve adjustment device, and also relates to a method for improving the mechanical performance of the variable valve timing valve adjustment device. Methods. Background technique [0002] Engine variable valve timing technology (VVT, Variable Valve Timing) is a new technology that has been gradually applied to modern cars in recent years. The engine adopts variable valve timing technology to increase the intake charge of the engine, so that the intake charge coefficient increases, and the torque and power of the engine can be further improved. Since the components in the variable valve timing valve adjustment mechanism are provided with a relatively rotating structure, the surfaces that are in contact with each other during the relative rotational motion are prone to rotational wear and even crush. This will cause th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01L1/34C25D11/02
Inventor 王震范礼李后良姜倩
Owner JAPHL POWERTRAIN SYST
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