JPS5930522U

JPS5930522U - Turbocharger aftercooler device

Info

Publication number: JPS5930522U
Application number: JP12604582U
Authority: JP
Inventors: 町田　光雄; 佐竹　忠
Original assignee: 日産ディーゼル工業株式会社
Priority date: 1982-08-23
Filing date: 1982-08-23
Publication date: 1984-02-25

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図は過給機のアフタークーラ装置を備えた従来の内
燃機関の平面図である。第２図および第３図は本考案を
実施した内燃機関の平面図である。第４図は過給空気の流路、バイパス流路、ラジェータお
よび切替バルブの関係を示す詳細図である。第５図および第６図は本考案の実施例の効果を示すグラ
フで、第５図は過給圧とラジェータの圧力損失を、又第
６図はエンジン回転数とエンジン性能との関係を示すグ
ラフである。１・・・・・・エンジン、２・・・・・・吸気マニホル
ド、３・・・・・・排気マニホルド、４・・・・・・フ
ァン、５・・・・・・エンジンラジェータ、６・・・・
・・ターボチャージャ、７・・・・・・タービン、８・
・・・・・コンプレッサ、９・・・・・・過給空気の流
Ｌ　　１０・・・・・・アフタークーラ用のラジェータ
、１１・・・・・・バイパス流路、１２・・・・・・切
替バルブ、１３・・・・・・パイプ、１４・・・・・・
ダイヤフラム、１５・・・・・田ツド、１６・・・・・
・センサ、１７・・・・・・コントローラ、１９・・・
・・・アクチュエータ。FIG. 1 is a plan view of a conventional internal combustion engine equipped with an aftercooler device for a supercharger. 2 and 3 are plan views of an internal combustion engine implementing the present invention. FIG. 4 is a detailed diagram showing the relationship among the supercharging air flow path, bypass flow path, radiator, and switching valve. Figures 5 and 6 are graphs showing the effects of the embodiment of the present invention. Figure 5 shows the relationship between boost pressure and radiator pressure loss, and Figure 6 shows the relationship between engine speed and engine performance. It is a graph. 1...Engine, 2...Intake manifold, 3...Exhaust manifold, 4...Fan, 5...Engine radiator, 6... ...
...Turbocharger, 7...Turbine, 8.
... Compressor, 9 ... Supercharged air flow L 10 ... Radiator for aftercooler, 11 ... Bypass flow path, 12 ...・Switching valve, 13...Pipe, 14...
Diaphragm, 15...Tatsudo, 16...
・Sensor, 17... Controller, 19...
...actuator.

Claims

[Scope of utility model registration request]

For internal combustion engines equipped with a turbocharger-type supercharger and a radiator for the aftercooler that cools the supercharged air in the middle of the flow path that connects the supercharger and the intake manifold of the engine, A bypass passage is provided to bypass the radiator, and a switching valve is provided to allow supercharged air to flow through the aftercooler radiator to the intake manifold, or to bypass the aftercooler radiator and flow to the intake manifold. is controlled by the boost pressure, and when the boost pressure increases, a switching valve is switched so that the supercharged air bypasses the aftercooler radiator and flows into the intake manifold. Cooler device.