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Internal combustion engine

A technology of internal combustion engines and electromagnetic actuators, which is applied in the direction of mechanical equipment, engine components, machines/engines, etc., can solve the problems of high cost and increased number of parts, and achieve the effect of increasing the shielding effect

Inactive Publication Date: 2015-05-20
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Therefore, when the detector is mounted on the cylinder head, it is necessary to take countermeasures such as providing a shielding member such as a magnetic shield separately, resulting in an increase in the number of parts and an increase in cost

Method used

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  • Internal combustion engine
  • Internal combustion engine
  • Internal combustion engine

Examples

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Embodiment Construction

[0058] Below, refer to Figure 1 to Figure 8 , one embodiment of the present invention will be described.

[0059] The internal combustion engine 1 related to the present embodiment is a single-cylinder air-cooled 4-stroke cycle internal combustion engine mounted on a small vehicle such as a motorcycle, and the cylinder block 3 and the cylinder head 4 are sequentially stacked from bottom to top and integrally fastened on a not-shown On the crankcase shown, the cylinder head cover 5 covers the top of the cylinder head 4.

[0060] Cylinder block 3, cylinder head 4, and cylinder head cover 5 lean forward slightly forward and stand upward (refer to figure 1 ).

[0061] refer to figure 1 and figure 2 , the cylinder block 3 is provided with a cylinder liner 12 that fits the piston 11 into a reciprocating free movement, and the cylinder head 4 is fastened to the cylinder block in such a way that the combustion chamber 13 facing the top surface of the piston 11 is formed between ...

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Abstract

The invention provides an internal combustion engine which has a detector on a cylinder cover installed with a solenoid actuator and is capable of preventing the influence of the electromagnetic wave of the solenoid actuator on the detector without using other shielding structures. The internal combustion engine comprises a solenoid actuator(45) which is arranged on a polygonal peripheral wall (51) formed by a plurality of side walls (51L, 51R, 51B, 51FL, 51FR) of a cylinder cover (4) made of non-magnetic materials; and a detector (82) for inspecting the running condition of the internal combustion engine(1), wherein the detector (82) is arranged on a sidewall (51FR) different from the sidewall (51R) where the solenoid actuator(45) is arranged. Part of the cylinder cover (4) is arranged on a line connecting the solenoid actuator (45) and the detector (82).

Description

technical field [0001] The invention relates to internal combustion engines provided with electromagnetic actuators and detectors on the cylinder head. Background technique [0002] Patent Document 1 discloses an internal combustion engine equipped with a variable valve drive that operates an electromagnetic solenoid as an electromagnetic actuator mounted on the cylinder head to operate the first intake valve. It is linked or released with the second suction valve. [0003] 【Prior technical literature】 [0004] 【Patent Literature】 [0005] [Patent Document 1] Japanese Patent Laid-Open No. 2010-156237 [0006] In Patent Document 1, an electromagnetic solenoid as an electromagnetic actuator is attached to one side wall of a cylinder head having a quadrangular outer peripheral wall and a cylinder head cover forming the same plane with each other. [0007] When the electromagnetic solenoid operates, electromagnetic waves are generated, and if there is a detector or the like ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01L1/34F01L9/04F01L9/21
Inventor 片冈大
Owner HONDA MOTOR CO LTD
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