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Flexible flywheel

A flexible flywheel and inertia ring technology, applied in the field of flexible flywheels, can solve the problems of increasing the number of parts and increasing manufacturing costs, and achieve the effects of reducing manufacturing costs and improving vibration damping effects.

Active Publication Date: 2021-10-08
AISIN TAKAOKA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the number of parts increases
In addition, since the work of fastening both is required, there is a problem that the manufacturing cost becomes high.

Method used

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  • Flexible flywheel
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Examples

Experimental program
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Embodiment Construction

[0046] Hereinafter, an embodiment embodying the present disclosure will be described with reference to the drawings. This embodiment assumes that the internal combustion engine (engine) of the vehicle is a rotary machine, and a flexible flywheel attached to a crankshaft included in the engine will be described.

[0047] Such as figure 1 As shown, the flexible flywheel 10 is generally circular. The flexible flywheel 10 has a shaft fastening part 11 , an inertia ring 12 , an elastic spoke part 13 and a weight part 14 . The shaft fastening portion 11 , the inertia ring 12 , the elastic spoke portion 13 , and the weight portion 14 are castings made of cast iron or the like, and are integrally formed by casting.

[0048] Such as image 3 As shown, the shaft fastening portion 11 is fastened to the front end portion of the crankshaft 21 . Such as figure 1 As shown, the shaft fastening portion 11 is formed in a disk shape and is provided at the central portion of the flexible fly...

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PUM

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Abstract

A flexible flywheel (10) is equipped with: a shaft fastening part (11 secured to an end portion of an engine crankshaft; an annular inertia ring (12) provided around the shaft fastening part (11); a plurality of elastic spoke parts (13) that extend in the radial direction between the shaft fastening part (11) and the inertia ring (12) and fasten the shaft fastening part and the inertia ring to each other, and that absorb vibration acting on the crankshaft by undergoing deflection; and weight parts (14) provided between adjacent elastic spoke parts (13). The fastening part (11, inertial ring (12), elastic spoke parts (13), and weight parts (14 are formed integrally by casting or forging.

Description

[0001] Cross References to Related Applications [0002] This application claims the priority of Japanese Patent Application No. 2019-56923 filed on March 25, 2019, and its content is cited here. technical field [0003] The present disclosure relates to flexible flywheels. Background technique [0004] Generally, in a rotary machine such as an internal combustion engine of a vehicle, a flywheel is attached to one end of a crankshaft. The flywheel has an annular inertia ring (Inertia ring), and thus has a relatively large moment of inertia. The rotational energy accompanying the rotational motion of the crankshaft is conserved by this moment of inertia. By attaching a flywheel, stable rotation of the crankshaft can be obtained. [0005] A flexible flywheel is known as one type of flywheel. The flexible flywheel also has the function of absorbing the vibration acting on the crankshaft in addition to the above-mentioned function of conserving the rotational energy by utili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/30
CPCF16F15/3153F16F15/121F16F2222/08F16F2230/36F16F2232/02F16F2236/08
Inventor 太田刚佐藤明
Owner AISIN TAKAOKA CO LTD