JPS5952138U

JPS5952138U - Bearing protection device for turbocharger

Info

Publication number: JPS5952138U
Application number: JP14903982U
Authority: JP
Inventors: 倉島　明; 三浦　秀博
Original assignee: 日野自動車株式会社
Priority date: 1982-09-30
Filing date: 1982-09-30
Publication date: 1984-04-05

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 drawings]

第１図は本案による軸受保護装置の流路の説明図、第２
図は第１図に示すものの電気的制御装置の回路図である
。１・・・ターボ過給機、２・・・ブロワ、３・・・−関
、４・・・バイパス流路（吸気側）、５・・・電磁弁、
６・・・線輪、７・・・機関の始動操作に連動して閉じ
られる接点、８・・・タイマ、９・・・タイマにより設
定時間だけ閉じられる接点、１０・・・リレー、１１・
・・リレーの接点、１２・・・サーモスイッチの接点、
１３・・・排気タービン、４ａ・・・バイパス流路（排
気側）、５ａ・・・電磁弁（排気側）、６ａ・・・線輪
（排気側）。Figure 1 is an explanatory diagram of the flow path of the bearing protection device according to the present invention, Figure 2
The figure is a circuit diagram of the electrical control device shown in FIG. 1. 1...Turbocharger, 2...Blower, 3...-Seki, 4...Bypass passage (intake side), 5...Solenoid valve,
6... Line ring, 7... Contact that is closed in conjunction with the engine starting operation, 8... Timer, 9... Contact that is closed for a set time by the timer, 10... Relay, 11...
...Relay contact, 12...Thermo switch contact,
13... Exhaust turbine, 4a... Bypass flow path (exhaust side), 5a... Solenoid valve (exhaust side), 6a... Line ring (exhaust side).

Claims

[Scope of utility model registration request]

A bypass flow path is provided to introduce supply air into the engine without passing through the blower of the turbocharger, and the valve on the bypass flow path is opened for a predetermined period of time by starting operation in conjunction with the engine starting operation. A turbo supercharger bearing protection device featuring Kokichi, which is equipped with an electric control device that maintains the condition.