INTAKE DEVICE OF ENGINE

• Main Authors: YAMAZAKI TAKAHIRO, NAGAI KENTARO, YOSHIDA REO, SAKAGUCHI KUMIKO, KAMIYAMA MITSURU
• Format: Patent
• Language: English; Japanese
• Published: 24.06.2021
• Subjects: BLASTING; COMBUSTION ENGINES; CONTROLLING COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

To provide an intake device of an engine that can maintain the high detection accuracy of an air flow sensor 2.SOLUTION: An intake device of an engine is equipped with a sensor mounting pipe 1, an air flow sensor 2 mounted to the sensor mounting pipe 1, a mounting pipe inlet side intake hose 3 externally fitted with a mounting pipe inlet side portion 1a of the sensor mounting pipe 1, a mounting pipe outlet side intake hose 4 externally fitted with a mounting pipe outlet side portion 1b of the sensor mounting pipe 1, a mounting pipe inlet side fastener 3a that fastens the mounting pipe inlet side intake hose 3 to the mounting pipe inlet side portion 1a, and a mounting pipe outlet side fastener 4a that fastens the mounting pipe outlet side intake hose 4 to the mounting pipe outlet side portion 1b. An intake detecting ventilation pipe 5 internally fitted with the sensor mounting pipe 1 while keeping a clearance 1c is provided, and a detecting portion 2a of the air flow sensor 2 is inserted in the intake detecting ventilation pipe 5.SELECTED DRAWING: Figure 2 【課題】エアフローセンサ２の検出精度を高く維持できるエンジンの吸気装置を提供する。【解決手段】センサ取付管１と、センサ取付管１に取り付けられたエアフローセンサ２と、センサ取付管１の取付管入口側部１ａに外嵌された取付管入口側吸気ホース３と、センサ取付管１の取付管出口側部１ｂに外嵌された取付管出口側吸気ホース４と、取付管入口側吸気ホース３を取付管入口側部１ａに締め付ける取付管入口側締付具３ａと、取付管出口側吸気ホース４を取付管出口側部１ｂに締め付ける取付管出口側締付具４ａを備えた、エンジンの吸気装置において、センサ取付管１に隙間１ｃを保持して内嵌される吸気検出用通風管５を備え、吸気検出用通風管５内にエアフローセンサ２の検出部２ａが差し込まれている。【選択図】 図２