JPS604725U

JPS604725U - internal combustion engine

Info

Publication number: JPS604725U
Application number: JP9662083U
Authority: JP
Inventors: 佐々木　一衛
Original assignee: トヨタ自動車株式会社
Priority date: 1983-06-24
Filing date: 1983-06-24
Publication date: 1985-01-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の内燃機関の部分縦断面図、第２図は本考
案の第１実施例に係る内燃機関の部分縦断面図、第３図
は本考案の第２実施例に係る内燃機関のタイミングプー
リまわりの縦断面図、第４図は本考案の第３実施例に係
る内燃機関の断熱材の正面図、第５区は第４図の装置の
■−■線に沿う断面図、第６図は第４図の装置の斜視図
、である。１１・・・クランクシャフト、１８・・・軸端面、１９
゜３２・・・タイミングプーリ、２０，３１．３４・・
・断熱材、２１・・・タイミングベルト、２３・・・ク
ランクプーリ、２４・・・ボルト、２５・・・プーリポ
ス部、２６・・・プーリ外周部、２７・・・ダンパ、２
８・・・タイミングベルトカバー、３０・・・タイミン
グマーク、３３・・・ガイド、３５・・・切欠き、３６
・・・折り曲げ部。３０第５図FIG. 1 is a partial vertical cross-sectional view of a conventional internal combustion engine, FIG. 2 is a partial vertical cross-sectional view of an internal combustion engine according to a first embodiment of the present invention, and FIG. 3 is a partial vertical cross-sectional view of an internal combustion engine according to a second embodiment of the present invention. 4 is a front view of a heat insulating material for an internal combustion engine according to a third embodiment of the present invention, Section 5 is a sectional view of the device shown in FIG. 4 along the line ■-■, 6 is a perspective view of the apparatus of FIG. 4; FIG. 11... Crankshaft, 18... Shaft end surface, 19
゜32...timing pulley, 20, 31.34...
・Insulating material, 21... Timing belt, 23... Crank pulley, 24... Bolt, 25... Pulley post section, 26... Pulley outer periphery, 27... Damper, 2
8... Timing belt cover, 30... Timing mark, 33... Guide, 35... Notch, 36
...Bending part. 30 Figure 5

Claims

[Scope of utility model registration request]

(1) An internal combustion engine characterized in that a timing boot is attached to the shaft end surface of a crankshaft with bolts, and a heat insulating material is interposed between the shaft end surface of the crankshaft and the timing booth.

(2) A utility model in which a crank pulley is attached to the side surface of the timing pulley opposite to the crankshaft, and the crank pulley is constituted by a damper boob in which the pulley boss and the outer periphery of the pulley are connected by a damper made of an annular elastic material. An internal combustion engine according to claim 1.

(3) The outer diameter of the heat insulating material is larger than the outer diameter of the timing pulley, and the heat insulating material also serves as a guide for preventing the timing belt from swinging. Internal combustion engine.

(4) The internal combustion engine according to claim 1, wherein the outer periphery of the heat insulating material is formed into a fin structure with a large number of notches.