JPH01103748U

JPH01103748U -

Info

Publication number: JPH01103748U
Application number: JP19957687U
Authority: JP
Priority date: 1987-12-29
Filing date: 1987-12-29
Publication date: 1989-07-13

Description

[Brief explanation of the drawing]

第１図は本考案実施例の車両用排気ブレーキ装
置を示す全体構成図、第２図は同装置における吸
気路中の仕切弁近傍の断面図、第３図は同装置に
おける排気路中の仕切弁近傍の断面図、第４図は
同装置によるＰＶ線図である。１……エンジン、２……シリンダブロツク、３
……シリンダヘツド、４……シリンダ、５……ピ
ストン、６，７……吸、排気弁、８……シリンダ
ヘツド内吸気路、９……シリンダヘツド内排気路
、１３，２２……絞り穴付仕切弁、１６，２５…
…エアアクチユエータ、１９，２８……三方電磁
弁、２０……エアタンク、２９……排気ブレーキ
作動用回路、３１……排気ブレーキ作動スイツチ
。 Fig. 1 is an overall configuration diagram showing a vehicle exhaust brake device according to an embodiment of the present invention, Fig. 2 is a sectional view of the vicinity of the gate valve in the intake path of the same device, and Fig. 3 is a partition in the exhaust path of the same device. A cross-sectional view of the vicinity of the valve, and FIG. 4 is a PV diagram of the same device. 1...Engine, 2...Cylinder block, 3
... Cylinder head, 4 ... Cylinder, 5 ... Piston, 6, 7 ... Intake and exhaust valves, 8 ... Intake path in cylinder head, 9 ... Exhaust path in cylinder head, 13, 22 ... Throttle hole Attached gate valve, 16, 25...
... Air actuator, 19, 28 ... Three-way solenoid valve, 20 ... Air tank, 29 ... Exhaust brake operation circuit, 31 ... Exhaust brake operation switch.

Claims

[Scope of utility model registration request]

This is an exhaust brake device for a vehicle, which includes a gate valve with a throttle hole that can be opened and closed in the intake and exhaust passages in the cylinder head of an engine.