JPS6298859U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の低騒音ダンパプーリの断面図
であつて第２図の―線に沿う断面図、第２図
は第１図の本考案の低騒音ダンパプーリの半正面
図、第３図は従来のダンパプーリの半断面図、第
４図はエンジンの曲げ振動モード図、第５図はク
ランクシヤフトの曲げ振動モード図、第６図は既
提案のダンパプーリの半断面図、第７図は既提案
のダンパプーリの半断面図、である。 １１……クランクシヤフト、１３……ハブ、１
４……凹部、１５……ダンパゴム、１６……プー
リ部、１８……プレート、２０……ダンパゴム、
２１……ダンパマス、２４……窓、２５……ブレ
ード。 Figure 1 is a cross-sectional view of the low-noise damper pulley of the present invention, taken along line - in Figure 2, Figure 2 is a half-front view of the low-noise damper pulley of the present invention shown in Figure 1, and Figure 3 is a cross-sectional view of the low-noise damper pulley of the present invention. A half-sectional view of a conventional damper pulley, Fig. 4 is a bending vibration mode diagram of an engine, Fig. 5 is a bending vibration mode diagram of a crankshaft, Fig. 6 is a half-sectional view of an existing damper pulley, and Fig. 7 is an existing proposal. FIG. 3 is a half-sectional view of the damper pulley of FIG. 11...Crankshaft, 13...Hub, 1
4... Recessed portion, 15... Damper rubber, 16... Pulley portion, 18... Plate, 20... Damper rubber,
21... damper mass, 24... window, 25... blade.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央部に凹部を有するクランクプーリに曲げ振
動用ダイナミツクダンパを備えたプレートを前記
凹部を覆うように取付けたダンパプーリにおいて
、該ダンパプーリに、前記プレートの中央部およ
びタイナミツクダンパの中央部を貫通する穴と、
前記プレートの外周部にてプーリ凹部と外部とを
連通しかつダンパプーリ回転時にフアン機能を有
するブレードを備えたブレード付き窓とを、設け
たことを特徴とする低騒音ダンパプーリ。 In a damper pulley in which a plate equipped with a dynamic damper for bending vibration is attached to a crank pulley having a recessed portion in the center so as to cover the recessed portion, the damper pulley is provided with a central portion of the plate and a central portion of the dynamic damper. hole and
A low-noise damper pulley, characterized in that a window with a blade is provided on the outer periphery of the plate to communicate the pulley recess with the outside and has a blade having a fan function when the damper pulley rotates.