KR910015774A - Exhaust valve control device of reciprocating internal combustion engine - Google Patents

Exhaust valve control device of reciprocating internal combustion engine Download PDF

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Publication number
KR910015774A
KR910015774A KR1019900021243A KR900021243A KR910015774A KR 910015774 A KR910015774 A KR 910015774A KR 1019900021243 A KR1019900021243 A KR 1019900021243A KR 900021243 A KR900021243 A KR 900021243A KR 910015774 A KR910015774 A KR 910015774A
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KR
South Korea
Prior art keywords
exhaust valve
internal combustion
combustion engine
pressure medium
valve control
Prior art date
Application number
KR1019900021243A
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Korean (ko)
Other versions
KR100192602B1 (en
Inventor
프란즈 분더 알프레드
Original Assignee
니콜라우스 슈미트오트.만프레드 슈텔러
술저 브러더스 리미티드
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Application filed by 니콜라우스 슈미트오트.만프레드 슈텔러, 술저 브러더스 리미티드 filed Critical 니콜라우스 슈미트오트.만프레드 슈텔러
Publication of KR910015774A publication Critical patent/KR910015774A/en
Application granted granted Critical
Publication of KR100192602B1 publication Critical patent/KR100192602B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

내용 없음No content

Description

왕복동 내연기관의 배기밸브제어장치Exhaust valve control device of reciprocating internal combustion engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 배기밸브와 제어장치의 회로도를 함께 도시한 작동 실린더의 상부의 수직단면도, 제2도는 제어장치의 4/2방 밸브의 측단면도, 제3도는 제어장치의 파일롯밸브의 측단면도, 제4도는 제3도의 상태에서 90°회전한 파일롯밸브의 상부의 측단면도.1 is a vertical cross-sectional view of the upper part of the working cylinder showing a circuit diagram of the exhaust valve and the control device, FIG. 2 is a side cross-sectional view of the 4 / 2-way valve of the control device, and FIG. 3 is a side cross-sectional view of the pilot valve of the control device, 4 degrees is a sectional side view of the upper portion of the pilot valve rotated 90 degrees in the state of FIG.

Claims (9)

폐쇄부재로부터 떨어져 있는 배기밸브단부는 서보실린더내에서 안내되는 서보피스톤에 의해 작동할 수 있도록 연결되고, 엔진의 작동사이클중에 유체압력매체에 의하여 밸브를 개방하는 방향으로 작동하고, 상기 압력매체는 압력매체원으로부터 압력매체도관을 통하여 서보실린더로 공급되는 왕복동 내연기관의 배기밸브제어장치에 있어서, 4/2방 밸브와, 전자석에 의하여 작동하는 파일롯밸브는 압력매체원과 서보실린더 사이에 설치되고, 전자석이 스위치온될때 파일롯밸브는 폐쇄위치로 되어, 4/2방 밸브의 가동부분은 배기밸브 서보피스톤이 압력매체에 의해 부하가 해제되는 위치로 되고, 전자석이 스위치오프될 때 파일롯밸브는 개방위치로 되고, 4/2방 밸브의 가동부분은 배기밸브 서보피스톤이 압력매체에 의해 부하를 받게되는 위치로 되는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.The exhaust valve end away from the closing member is connected to be operated by a servo piston guided in the servo cylinder, and is operated in a direction in which the valve is opened by a fluid pressure medium during an operation cycle of the engine, and the pressure medium is pressurized. In the exhaust valve control apparatus of a reciprocating internal combustion engine supplied from a media source to a servo cylinder through a pressure medium conduit, a 4 / 2-way valve and a pilot valve operated by an electromagnet are provided between the pressure medium source and the servo cylinder. The pilot valve is in the closed position when the electromagnet is switched on, the movable part of the 4/2 way valve is in the position where the exhaust valve servo piston is released by the pressure medium, and the pilot valve is in the open position when the electromagnet is switched off. And the movable part of the 4/2 way valve is in a position where the exhaust valve servo piston is loaded by the pressure medium. Exhaust valve control device for a reciprocating internal combustion engine, characterized in that. 제1항에 있어서, 압력매체원은 압력매체를 압력하에서 저장하는 어큐뮬레이터인 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.The exhaust valve control apparatus for a reciprocating internal combustion engine according to claim 1, wherein the pressure medium source is an accumulator for storing the pressure medium under pressure. 제1항 또는 제2항에 있어서, 전자석의 아마추어는 이것의 양단부를 연결하는 최소한 하나의 유로를 포함하며, 이 유로의 파일롯 밸브로 향하는 단부는 파일롯밸브 유출챔버로 연결되고, 파일롯밸브로부터 떨어져 있는 유로의 타단부는 덕트를 통하여 파일롯밸브 유출측과 연결되는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.3. An armature of an electromagnet according to claim 1 or 2, wherein the armature of the electromagnet comprises at least one flow path connecting both ends thereof, the end of which is directed to the pilot valve and connected to the pilot valve outlet chamber and spaced apart from the pilot valve. The other end of the flow path exhaust valve control device for a reciprocating internal combustion engine, characterized in that connected to the pilot valve outlet side through the duct. 제3항에 있어서, 덕트는 전자석 하우징 내부에 배설되는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.The exhaust valve control apparatus for a reciprocating internal combustion engine according to claim 3, wherein the duct is disposed inside the electromagnet housing. 제3항에 있어서, 유출챔버와 파일롯밸브의 유출측 사이에 리스트릭터가 접속되어있는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.4. The exhaust valve control apparatus for a reciprocating internal combustion engine according to claim 3, wherein a restrictor is connected between the outlet chamber and the outlet side of the pilot valve. 제1항 내지 제5항중 어느 한 항에 있어서, 압력매체는 4/2방 밸브의 가동부분을 통하여 파일롯밸브로 공급되는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.The exhaust valve control apparatus for a reciprocating internal combustion engine according to any one of claims 1 to 5, wherein the pressure medium is supplied to the pilot valve through the movable portion of the 4 / 2-way valve. 제6항에 있어서, 4/2방 밸브의 가동부분은 압력매체원과 서보실린더 사이를 접속시키고, 서보실린더와 유출관 사이의 접속을 차단한 후에 작동하게 되는 제동시스템을 가지는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.7. The reciprocating motion according to claim 6, wherein the movable portion of the 4 / 2-way valve has a braking system which is operated after the connection between the pressure medium source and the servo cylinder is interrupted and the connection between the servo cylinder and the outlet pipe is interrupted. Exhaust valve control device of internal combustion engine. 제6항에 있어서, 4/2방 밸브의 가동부분은 서보실린더와 유출관 사이를 접속시키고, 압력매체원과 서보실린더 사이의 접속을 차단한 후에 작동하게 되는 제동수단을 가지는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.7. The reciprocating motion according to claim 6, wherein the movable portion of the 4 / 2-way valve has braking means which is connected between the servo cylinder and the outflow pipe and is operated after breaking the connection between the pressure medium source and the servo cylinder. Exhaust valve control device of internal combustion engine. 제1항 내지 제8항중 어느 한 항에 있어서, 배기밸브는 이 배기밸브가 폐쇄되도록 배기밸브에 작동하는 유체 스프링과 연결되는 것을 특징으로 하는 왕복동 내연기관의 배기밸브제어장치.The exhaust valve control apparatus according to any one of claims 1 to 8, wherein the exhaust valve is connected to a fluid spring acting on the exhaust valve so that the exhaust valve is closed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900021243A 1990-02-08 1990-12-21 Device for controlling the exhaust valve of an internal combustion KR100192602B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH40290 1990-02-08
CH402/90-5 1990-02-08

Publications (2)

Publication Number Publication Date
KR910015774A true KR910015774A (en) 1991-09-30
KR100192602B1 KR100192602B1 (en) 1999-06-15

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ID=4186209

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Application Number Title Priority Date Filing Date
KR1019900021243A KR100192602B1 (en) 1990-02-08 1990-12-21 Device for controlling the exhaust valve of an internal combustion

Country Status (5)

Country Link
EP (1) EP0441100B1 (en)
JP (1) JP3126741B2 (en)
KR (1) KR100192602B1 (en)
DE (1) DE59001316D1 (en)
DK (1) DK0441100T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0539320B1 (en) * 1991-10-23 1995-01-11 New Sulzer Diesel Ag Device for hydraulically operating an exhaust valve of an internal combustion piston engine
US5647318A (en) 1994-07-29 1997-07-15 Caterpillar Inc. Engine compression braking apparatus and method
US5526784A (en) 1994-08-04 1996-06-18 Caterpillar Inc. Simultaneous exhaust valve opening braking system
DE10154339A1 (en) * 2001-11-06 2003-05-15 Volkswagen Ag Actuator for a gas exchange lifting valve of an internal combustion engine comprises a control chamber having a first chamber connected to a hydraulic system and a second chamber
DE10239747A1 (en) 2002-08-29 2004-03-11 Robert Bosch Gmbh Hydraulic valve actuator for actuating a gas exchange valve
DE10361221B4 (en) 2003-12-24 2006-03-09 Man B&W Diesel A/S Device for controlling the time-shifted connection of two acted upon by a pressure medium units with a pressure medium source
DE102013220555B4 (en) * 2013-10-11 2015-05-13 Schaeffler Technologies AG & Co. KG Hydraulic valve control of an internal combustion engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK225982A (en) * 1981-07-07 1983-01-08 Sulzer Ag INHIBIT OR EXHAUST VALVE TO A CYLINDER TOP OF A COMBUSTION ENGINE
FR2552492B1 (en) * 1983-09-23 1988-01-15 Alsacienne Constr Meca ELECTRO-HYDRAULIC VALVE CONTROL UNIT FOR AN INTERNAL COMBUSTION ENGINE
DE3806969A1 (en) * 1988-03-03 1989-09-14 Rexroth Mannesmann Gmbh Electrohydraulic adjusting mechanism for actuation of the inlet and exhaust valves in internal combustion engines

Also Published As

Publication number Publication date
KR100192602B1 (en) 1999-06-15
DK0441100T3 (en) 1993-06-01
JPH04214914A (en) 1992-08-05
DE59001316D1 (en) 1993-06-03
EP0441100A1 (en) 1991-08-14
JP3126741B2 (en) 2001-01-22
EP0441100B1 (en) 1993-04-28

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