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Camshaft toggling solenoid valve for variable valve lift system

A valve lift, camshaft technology, applied to non-mechanically actuated valves, valve devices, engine components, etc., to solve problems such as increased response time

Active Publication Date: 2020-06-26
JAPHL POWERTRAIN SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solenoid valves in the prior art mainly have the following defects: 1. As a direct driving force, the electromagnetic force attenuates significantly at high temperatures, resulting in increased response time at high temperatures
Therefore, there are obvious disadvantages

Method used

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  • Camshaft toggling solenoid valve for variable valve lift system
  • Camshaft toggling solenoid valve for variable valve lift system
  • Camshaft toggling solenoid valve for variable valve lift system

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Embodiment Construction

[0029] Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the role and working principle of the various parts, etc., will be further described. Detailed instructions:

[0030] as attached figure 1 - attached Figure 5 As shown, the present invention is a camshaft toggle solenoid valve for a variable valve lift system, which includes a casing 1, an electromagnetic coil 2 is arranged inside the casing 1, an inner sleeve 3 is arranged inside the electromagnetic coil 2, and a magnetic core is arranged inside the upper sleeve 3 body 4, the magnetic core body 4 is connected with the driving rod 5, a strong magnet 6 is arranged at one end of the shell 1, and the magnetic core body 4 is close to the strong magnet 6. The strong magnet 6 of the camshaft toggle solenoid valve described in the ...

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Abstract

The invention provides a camshaft toggling solenoid valve for a variable valve lift system applied to the technical field of the engine variable valve lift system. The camshaft toggling solenoid valvefor the variable valve lift system comprises a shell (1), wherein a solenoid coil is arranged in the shell (1), a sleeve (4) is arranged in the solenoid coil (2), a magnetic core (4) is arranged in the sleeve (3), the magnetic core (4) is connected with a driving rod (5), a strong magnet (6) is arranged at one end of the shell (1), and the magnetic core (4) is close to the strong magnet (6). According to the camshaft toggling solenoid valve for the variable valve lift system, the structure is simple, and the extension and the contraction of the driving rod can be reliably realized, so that the axial toggle control of a camshaft is effectively realized through the driving rod under a specific working condition of an engine under the control of a control part, switching of high and low camsis realized through the cooperation of the extended driving rod and a track groove on the camshaft, and the overall performance of the engine is improved.

Description

technical field [0001] The invention belongs to the technical field of engine variable valve lift systems, and more specifically relates to a camshaft toggle electromagnetic valve for a variable valve lift system. Background technique [0002] In the technical field of the engine variable valve lift system, it is necessary to realize the axial change of the camshaft, but in the prior art, the control is realized through the expansion and contraction of the driving rod of the solenoid valve. The solenoid valves in the prior art mainly have the following defects: 1. As a direct driving force, the electromagnetic force attenuates significantly at high temperatures, resulting in increased response time at high temperatures. 2. The electromagnetic force is used as the direct driving force. To drive the driving rod after overcoming the elastic force of the return spring, the electromagnetic force must be increased by increasing the size of the solenoid. 3. The holding force of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01L13/00F01L9/04F01L1/047
CPCF01L13/00F01L1/047F01L2009/2103F01L9/21F01L2009/2128F01L2009/2169F01L9/20
Inventor 李振范礼李后良姜倩王友安丁万龙闫忠
Owner JAPHL POWERTRAIN SYST
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