KR940002484A - Intake and exhaust valve timing control system for internal combustion engines - Google Patents

Intake and exhaust valve timing control system for internal combustion engines Download PDF

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Publication number
KR940002484A
KR940002484A KR1019930014512A KR930014512A KR940002484A KR 940002484 A KR940002484 A KR 940002484A KR 1019930014512 A KR1019930014512 A KR 1019930014512A KR 930014512 A KR930014512 A KR 930014512A KR 940002484 A KR940002484 A KR 940002484A
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KR
South Korea
Prior art keywords
sleeve
groove
control system
exhaust valve
timing control
Prior art date
Application number
KR1019930014512A
Other languages
Korean (ko)
Inventor
마사하루 사이또
세이지 수가
Original Assignee
안쇼 도시오
가부시끼가이샤 우니시아 젝스
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 안쇼 도시오, 가부시끼가이샤 우니시아 젝스 filed Critical 안쇼 도시오
Publication of KR940002484A publication Critical patent/KR940002484A/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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/348—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by means acting on timing belts or chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203—Variable control of intake and exhaust valves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

내연 기관용 흡배기 밸브 타이밍 제어 시스템은 내부 치형부(9)를 갖는 타이밍 벨트 풀리(1)과, 캠 축(2)의 선단(2a)상에 동축으로 부착된 슬리브(4)와 상기 풀리(1)과 슬리브(4) 사이에 이들간의 상대 위상 각도를 조절하기 위해 배치된 링기어(6)과, 일부분(16a)이 위치결정 핀 구멍(15)의 외부로 돌출하도록 캠 축 내에 천공된 위치 결정 핀 구멍(15)에 축방향으로 끼워진 위치 결정 핀(16)을 포함한다. 슬리브는 핀의 돌출부(16a)를 수용하도록 캠 축과 슬리브의 결합점에 축방향 연장 홈(19)을 갖는다. 홈(19)는 단부를 갖는 홈이며, 홈(19)의 전체 길이는 핀(16)의 돌출부(16a)의 길이와 실제로 같다.The intake / exhaust valve timing control system for an internal combustion engine includes a timing belt pulley 1 having an internal tooth 9, a sleeve 4 coaxially attached on the tip 2a of the cam shaft 2, and the pulley 1. A ring gear 6 disposed between the sleeve and the sleeve 4 to adjust the relative phase angle therebetween, and a positioning pin drilled in the cam shaft such that the portion 16a protrudes out of the positioning pin hole 15. And positioning pins 16 axially fitted in the holes 15. The sleeve has an axially extending groove 19 at the point of engagement of the sleeve with the camshaft to receive the protrusion 16a of the pin. The groove 19 is a groove having an end, and the overall length of the groove 19 is actually equal to the length of the protrusion 16a of the pin 16.

Description

내연 기관용 흡배기 밸브 타이밍 제어 시스템Intake and exhaust valve timing control system for internal combustion engines

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

제2도는 본 발명에 따른 가변 밸브 타이밍 제어 시스템의 적합한 실시예를 도시하는 종단면도.2 is a longitudinal sectional view showing a suitable embodiment of the variable valve timing control system according to the present invention.

Claims (5)

엔진의 크랭크 축과 종동 결합하고 그 내주부 상에 내부 치형부(9)를 갖는 원통형 회전 부재(1)과, 캠 축(2)의 한부(2a)에 결합 되고 그 캠 축과 동축으로 배열되며 외주면에는 외부 치형부(10)을 갖는 슬리브(4)와, 원통형 회전 부재(1)과 슬리브(4) 사이에 그 상대적 위상 각도를 조절하도록 배치되고 슬리브(4)의 외부치형부(10)과 원통형 회전부재(1)의 내부치형부(9)에 각각 맞물리는 내부 및 외부 치형부(11 및 12)를 가지며 치형부의 두 결합쌍중 적어도 하나는 상기 슬리브(4)에 대해 상기 링 기어(6)의 축방향 이동을 일으키도록 헬리컬식으로 되어 있는 링 기어(6)와, 캠축의 한 단부(2a)에 천공된 위치 결정 핀 구멍(15)에 돌출부(16a)가 위치 결정 핀 구멍(15)의 외부로 돌출하는 형태로 축 방향으로 끼워진 위치 결정 핀(16)을 포함하며, 상기 슬리브에는 핀(16)의 회향 돌출부(16a)가 삽입될 수 있게 캠 축과 슬리브의 결합점에 축방향 연장 홈(19)가 형성된 내연 기관용 흡배기 밸브 타이밍 제어 시스템에 있어서, 상기 홈(19)까 단부를 가진 홈으로 이루어지며, 홈(19)의 전체 길이는 핀(16)의 돌출부(16a)의 길이와 같게 되어 있는 것을 특징으로 하는 내연 기관용 흡배기 밸브 티이밍 제어 시스템.A cylindrical rotating member 1 driven in engagement with the crankshaft of the engine and having an inner tooth 9 on its inner circumference, and a portion 2a of the camshaft 2 arranged coaxially with the camshaft; On the outer circumferential surface there is a sleeve 4 having an outer tooth 10, arranged between the cylindrical rotating member 1 and the sleeve 4 to adjust its relative phase angle and the outer tooth 10 of the sleeve 4. The inner and outer teeth 11 and 12 meshing with the inner teeth 9 of the cylindrical rotating member 1, respectively, wherein at least one of the two coupling pairs of teeth is said ring gear 6 relative to the sleeve 4; The positioning pin hole 15 is provided with a projection 16a in the ring gear 6 which is helical so as to cause an axial movement of c) and the positioning pin hole 15 which is drilled in one end 2a of the camshaft. A positioning pin 16 fitted in the axial direction so as to protrude outwardly of the sleeve, the sleeve comprising In the intake / exhaust valve timing control system for an internal combustion engine, in which an axially extending groove 19 is formed at a coupling point of a cam shaft and a sleeve so that the protrusion 16a can be inserted, the groove is formed of a groove having an end to the groove 19, The intake and exhaust valve timing control system for an internal combustion engine, characterized in that the total length of the grooves (19) is equal to the length of the protrusion (16a) of the pin (16). 제1항에 있어서, 상기 홈(19)의 전체 길이는 슬리브를 캠 축 상에 조립할 때 홈(19)가 내부의 돌출부(16a)를 완전히 수용할 수 있는 최소치로 제한되는 것을 특징으로 하는 내연기관용 흡배기 밸브 타이밍 제어시스템.2. The internal combustion engine according to claim 1, wherein the overall length of the grooves 19 is limited to a minimum at which the grooves 19 can fully receive the projections 16a therein when assembling the sleeve on the cam shaft. Intake and exhaust valve timing control system. 제2항에 있어서, 홈(19)는 밀링에 의해 슬리브(4) 냅주면 상에 기계 가공된 것을 특징으로 하는 내연 기관용 흡배기 밸브 타이밍 제어 시스템.3. Intake and exhaust valve timing control system according to claim 2, characterized in that the groove (19) is machined on the sleeve (4) nap peripheral surface by milling. 제2항에 있어서, 홈(19)의 전체 홈 폭은 상기 핀의 돌출부(16a)의 외경보다 약간 큰 것을 특징으로 하는 내연기관용 흡배기 밸브 타이밍 제어 시스템.3. The intake and exhaust valve timing control system for an internal combustion engine according to claim 2, wherein the overall groove width of the groove (19) is slightly larger than the outer diameter of the protrusion (16a) of the pin. 제4항에 있어서, 홈(19)의 홈 깊이는 상기 핀의 돌출부(16a)의 외경보다 약간 큰 것을 특징으로 하는 내연 기관용 홉배기 밸브 타이밍 제어 시스템.5. The hop exhaust valve timing control system according to claim 4, characterized in that the groove depth of the groove (19) is slightly larger than the outer diameter of the projection (16a) of the pin. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930014512A 1992-07-30 1993-07-29 Intake and exhaust valve timing control system for internal combustion engines KR940002484A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH92-53530 1992-07-30
CH02407/92 1992-07-30
CH5353092 1992-07-30

Publications (1)

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KR940002484A true KR940002484A (en) 1994-02-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8619336B2 (en) 2009-11-16 2013-12-31 Canon Kabushiki Kaisha Image processing apparatus and method and non-transitory computer-readable storage medium storing a computer-executable program for causing a computer to perform the method, for outputting or generating a pulse-width modulated signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8619336B2 (en) 2009-11-16 2013-12-31 Canon Kabushiki Kaisha Image processing apparatus and method and non-transitory computer-readable storage medium storing a computer-executable program for causing a computer to perform the method, for outputting or generating a pulse-width modulated signal

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