JPS61103567U - - Google Patents

Description

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

第１図は本考案の一実施例の構成を示す要部断
面図である。 ２……排気バイパス通路、４……排気通路、６
……排気導入側開口部、８……排気排出側開口部
、１０……通路、１２……フイン、１４……スロ
ツトル弁、１６……吸気通路、１８……演算装置
、２０……温度センサ、２２……第１制御弁、２
４……第２制御弁。 FIG. 1 is a sectional view of essential parts showing the structure of an embodiment of the present invention. 2...Exhaust bypass passage, 4...Exhaust passage, 6
...Exhaust intake side opening, 8...Exhaust discharge side opening, 10...Passage, 12...Fin, 14...Throttle valve, 16...Intake passage, 18...Calculation unit, 20...Temperature sensor , 22...first control valve, 2
4...Second control valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 排気通路と、同排気通路と並列に設けられた排
気バイパス通路と、同排気バイパス通路内に挿通
されその内部にスロツトル弁が配設された吸気通
路とを備えてなるものにおいて、上記吸気通路を
流通する吸入空気の温度もしくは内燃機関の温度
に応じて上記排気バイパス通路の排気導入側開口
部を開閉する第１制御弁と、上記スロツトル弁の
開度に応じて上記排気バイパス通路の排気排出側
開口部を開閉する第２制御弁とを具備することを
特徴とする内燃機関の吸気加熱装置。 In a device comprising an exhaust passage, an exhaust bypass passage provided in parallel with the exhaust passage, and an intake passage inserted into the exhaust bypass passage and having a throttle valve disposed therein, the intake passage is a first control valve that opens and closes an opening on the exhaust introduction side of the exhaust bypass passage in accordance with the temperature of the circulating intake air or the temperature of the internal combustion engine; and a first control valve that opens and closes an opening on the exhaust introduction side of the exhaust bypass passage in accordance with the temperature of the circulating intake air or the temperature of the internal combustion engine; An intake air heating device for an internal combustion engine, comprising a second control valve that opens and closes an opening.