JPS61138862U

JPS61138862U -

Info

Publication number: JPS61138862U
Application number: JP2336585U
Authority: JP
Priority date: 1985-02-20
Filing date: 1985-02-20
Publication date: 1986-08-28

Description

[Brief explanation of the drawing]

第１図は本考案による吸気加熱装置を取付けら
れたデイーゼル機関の一つの実施例をその要部に
ついて示す縦断面図、第２図は第１図に示された
デイーゼル機関の吸気ポート部分の平断面図であ
る。１…デイーゼル機関、２…シリンダブロツク、
３…シリンダヘツド、４…ピストン、５…燃焼室
、６…吸気ポート、７…一側端面、８…隔壁、９
…開口端、１０…ヘリカル通路、１１…ストレー
ト通路、１２…吸気弁、１３…排気ポート、１４
…排気弁、２０…吸気加熱装置、２１…ヒータハ
ウジング、２２…ＰＴＣヒータ、２３…吸気通路
用開口、２４…弁軸、２５…弁要素、２６…駆動
レバー。 FIG. 1 is a longitudinal sectional view showing the essential parts of one embodiment of a diesel engine equipped with an intake air heating device according to the present invention, and FIG. 2 is a plan view of the intake port portion of the diesel engine shown in FIG. 1. FIG. 1... Diesel engine, 2... Cylinder block,
3... Cylinder head, 4... Piston, 5... Combustion chamber, 6... Intake port, 7... One side end surface, 8... Partition wall, 9
...Open end, 10...Helical passage, 11...Straight passage, 12...Intake valve, 13...Exhaust port, 14
...exhaust valve, 20...intake air heating device, 21...heater housing, 22...PTC heater, 23...intake passage opening, 24...valve shaft, 25...valve element, 26...drive lever.

Claims

[Scope of utility model registration request]

In an intake air heating device for an internal combustion engine equipped with an intake port having a helical passage swirling around an opening end to a combustion chamber and a straight passage communicating linearly with the opening end, the intake port corresponds to an inlet portion of the helical passage. An internal combustion engine comprising: a plate-shaped heater having a ventilation structure extending across a part of an intake passage; and a valve element corresponding to an inlet of the straight passage and opening/closing the remaining part of the intake passage. intake air heating device.