JPH0222630U

JPH0222630U -

Info

Publication number: JPH0222630U
Application number: JP10000788U
Authority: JP
Priority date: 1988-07-28
Filing date: 1988-07-28
Publication date: 1990-02-15

Description

[Brief explanation of the drawing]

第１図は本考案に係るターボチヤージヤコント
ロール装置の原理図、第２図はオイルトラツプ断
面図、第３図は第１図の別実施例を示す図、第４
図は従来例を示す図である。１……ターボチヤージヤ、１ａ……コンプレツ
サ、１ｂ……タービン、２Ａ，２Ｂ……コントロ
ール装置、３ａ……第１吸気通路、３ｂ……第２
吸気通路、４ａ……燃焼室、５ａ……第１排気通
路、６ｃ……アクチユエータ、７ａ……ソレノイ
ド弁一次側のＰ_２導圧路、８……ソレノイド弁、
９……電子制御ユニツト（ＥＣＵ）、１０……ブ
ローバイガス通路、１２……オイルトラツプ、２
０……締切手段としての第２のソレノイド弁、２
１……バイパス、２２……圧力センサ。 Fig. 1 is a principle diagram of the turbocharge control device according to the present invention, Fig. 2 is a sectional view of the oil trap, Fig. 3 is a diagram showing another embodiment of Fig. 1, and Fig. 4
The figure shows a conventional example. 1... Turbocharger, 1a... Compressor, 1b... Turbine, 2A, 2B... Control device, 3a... First intake passage, 3b... Second
Intake passage, 4a... Combustion chamber, 5a... First exhaust passage, 6c... Actuator, 7a... _P2 pressure path on the primary side of the solenoid valve, 8... Solenoid valve,
9...Electronic control unit (ECU), 10...Blow-by gas passage, 12...Oil trap, 2
0...Second solenoid valve as a shutoff means, 2
1...Bypass, 22...Pressure sensor.

Claims

[Scope of Claim for Utility Model Registration] (1) A first intake passage for introducing combustion air and blow-by gas is provided on the intake side of the compressor of the turbocharger, and a second intake passage connects the compressor outlet and the combustion chamber of the engine, A first exhaust passage connects the combustion chamber and a turbine inlet of the turbocharger, and a _P2 pressure passage connects a supercharging pressure controller drive actuator that controls exhaust gas supplied to the turbine and the second intake passage. In a turbocharge control device comprising a solenoid valve controlled by an electronic control unit in the _P2 pressure path, the primary side of the solenoid valve of the _P2 pressure path is equipped with oil. A turbo charge control device characterized by an oil trap that separates oil from air and stores the separated oil. (2) A first intake passage for introducing combustion air and blow-by gas is provided on the compressor suction side of the turbocharger, a second intake passage connects the compressor outlet and the combustion chamber of the engine, and the combustion chamber is connected to the turbine inlet of the turbocharger. are connected by a first exhaust passage, and a boost pressure controller drive actuator for controlling exhaust gas supplied to the turbine is connected to the second intake passage by a P ₂ pressure passage, and the P ₂ pressure passage In a turbocharge control device including a solenoid valve controlled by an electronic control unit, the second intake passage is provided with a pressure sensor for monitoring an abnormal increase in pressure, and the solenoid valve is provided with a bypass valve. and an oil trap that separates oil from air and stores oil on the primary side of at least one of the solenoid valve and the shutoff means. A turbocharger control device characterized by being provided with.