JPH023002U - - Google Patents
Info
- Publication number
- JPH023002U JPH023002U JP8084488U JP8084488U JPH023002U JP H023002 U JPH023002 U JP H023002U JP 8084488 U JP8084488 U JP 8084488U JP 8084488 U JP8084488 U JP 8084488U JP H023002 U JPH023002 U JP H023002U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- hydraulic chamber
- exhaust
- guide
- exhaust brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第1図は本考案の実施例を示す縦断面図、第2
図は同実施例の作動説明図、第3図は本考案の他
の実施例における調圧弁を示す縦断面図である。
1…シリンダヘツド、3…排気路、4…排気弁
、5…軸、6…バルブガイド、10…ロツカーア
ーム、12…油圧室、13…浮動ピストン、14
…ストツパ、18…圧油源、19…排気ブレーキ
装置、20…開閉弁、21…逆止弁、22…調圧
弁。
Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
The figure is an explanatory diagram of the operation of the same embodiment, and FIG. 3 is a longitudinal sectional view showing a pressure regulating valve in another embodiment of the present invention. 1... Cylinder head, 3... Exhaust path, 4... Exhaust valve, 5... Shaft, 6... Valve guide, 10... Rocker arm, 12... Hydraulic chamber, 13... Floating piston, 14
...Stopper, 18...Pressure oil source, 19...Exhaust brake device, 20...Opening/closing valve, 21...Check valve, 22...Pressure regulating valve.
Claims (1)
気弁のバルブガイド外周に同軸に油圧室を形成し
、該油圧室の内壁と前記バルブガイドとの間に浮
動ピストンを摺動自在に嵌装し、且つ前記排気弁
の軸に設けたストツパとの間に戻しばねを設け、
前記油圧室と圧油源とを連結する油通路に排気ブ
レーキ作動時に開く開閉弁と逆止弁とを直列に設
けるとともに、前記油圧室に連結され、且つ開弁
圧が最大バルブリフト時動弁系にかかる力以下に
設定された調圧弁を設けてなるエンジンの排気弁
装置。 A hydraulic chamber is formed coaxially on the outer periphery of a valve guide of an exhaust valve in an engine equipped with an exhaust brake device, and a floating piston is slidably fitted between an inner wall of the hydraulic chamber and the valve guide, and A return spring is provided between the stopper provided on the valve shaft,
An on-off valve and a check valve that open when the exhaust brake is activated are provided in series in the oil passage connecting the hydraulic chamber and the pressure oil source, and the valve is connected to the hydraulic chamber and operates when the valve opening pressure reaches a maximum valve lift. An engine exhaust valve device that is equipped with a pressure regulating valve that is set below the force applied to the system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8084488U JPH023002U (en) | 1988-06-18 | 1988-06-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8084488U JPH023002U (en) | 1988-06-18 | 1988-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH023002U true JPH023002U (en) | 1990-01-10 |
Family
ID=31305659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8084488U Pending JPH023002U (en) | 1988-06-18 | 1988-06-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH023002U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014195569A1 (en) * | 2013-06-05 | 2014-12-11 | Wärtsilä Finland Oy | Gas exchange valve arrangement |
JP2015113751A (en) * | 2013-12-10 | 2015-06-22 | トヨタ自動車株式会社 | Valve gear |
WO2015104907A1 (en) * | 2014-01-10 | 2015-07-16 | 三菱重工業株式会社 | Exhaust-valve drive device and internal combustion engine provided with same |
-
1988
- 1988-06-18 JP JP8084488U patent/JPH023002U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014195569A1 (en) * | 2013-06-05 | 2014-12-11 | Wärtsilä Finland Oy | Gas exchange valve arrangement |
JP2015113751A (en) * | 2013-12-10 | 2015-06-22 | トヨタ自動車株式会社 | Valve gear |
WO2015104907A1 (en) * | 2014-01-10 | 2015-07-16 | 三菱重工業株式会社 | Exhaust-valve drive device and internal combustion engine provided with same |
JP2015132193A (en) * | 2014-01-10 | 2015-07-23 | 三菱重工業株式会社 | Exhaust valve drive and internal combustion engine equipped with same |