KR960023604A - Phase change detector of camshaft - Google Patents

Phase change detector of camshaft Download PDF

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Publication number
KR960023604A
KR960023604A KR1019940033304A KR19940033304A KR960023604A KR 960023604 A KR960023604 A KR 960023604A KR 1019940033304 A KR1019940033304 A KR 1019940033304A KR 19940033304 A KR19940033304 A KR 19940033304A KR 960023604 A KR960023604 A KR 960023604A
Authority
KR
South Korea
Prior art keywords
protrusions
cam shaft
camshaft
phase change
rotation operation
Prior art date
Application number
KR1019940033304A
Other languages
Korean (ko)
Other versions
KR100203878B1 (en
Inventor
성관경
Original Assignee
전성원
현대자동차 주식회사
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 전성원, 현대자동차 주식회사 filed Critical 전성원
Priority to KR1019940033304A priority Critical patent/KR100203878B1/en
Publication of KR960023604A publication Critical patent/KR960023604A/en
Application granted granted Critical
Publication of KR100203878B1 publication Critical patent/KR100203878B1/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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/11—Sensors for variable valve timing
    • F01L2013/111—Camshafts position or phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

캠 샤프트의 회전 변화를 감지하기 위한 감지 장치를 각 실린더의 상사점에 도달하는 시기를 감지할 수 있도록 다수개 장착하여 캠 샤프트의 회전상태를 판단하기 위한 판단주기를 단축시킬 수 있도록 하는 캠 샤프트의 위상 변화 감지장치를 제공하기 위하여, 엔진의 동작에 따라 크랭크 샤프트와 연동하여 회전하는 캠 샤프트(20)의 회전동작에 따른 회전 상태를 감지하기 위해, 가변밸브 타이밍 장치(10)의 하우징에 소정의 간격을 두고 장착되어 있는 다수개의 돌출부와; 상기 다수개의 돌출부(31∼34)와 대응되는 위치에 장착되어, 캠 샤프트(20)의 회전동작에 따라 위치가 가변되는 다수개의 돌출부의 이동에 해당하는 펄스 신호를 출력하는 위상 감지수단으로 이루어져 있다.A plurality of sensing devices for detecting a change in rotation of the cam shaft can be installed to detect when the top dead center of each cylinder is reached, thereby reducing the determination cycle for determining the rotation state of the cam shaft. In order to provide a phase change detection device, in order to detect a rotational state according to the rotation operation of the cam shaft 20 that rotates in association with the crankshaft in accordance with the operation of the engine, a predetermined valve in the housing of the variable valve timing device 10 A plurality of protrusions mounted at intervals; And a phase sensing means mounted at a position corresponding to the plurality of protrusions 31 to 34 and outputting a pulse signal corresponding to the movement of the plurality of protrusions whose position is changed according to the rotation operation of the cam shaft 20. .

Description

캠 샤프트의 위상 변화 감지장치Phase change detector of camshaft

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

제1도는 이 발명의 실시예에 따른 캠 샤프트의 위상 변화 감지장치의 장착도.1 is a mounting of the phase change detection device of the cam shaft according to an embodiment of the present invention.

Claims (4)

엔진의 동작에 따라 크랭크 샤프트와 연동하여 회전하는 캠 샤프트(20)의 회전동작에 따른 회전 상태를 감지하기 위해, 가변 밸브 타이밍 장치(10)의 하우징에 소정의 간격을 두고 장착되어 있는 다수개의 돌출부와; 상기 다수개의 돌출부와 대응되는 위치에 장착되어, 캠 샤프트(20)의 회전동작에 따라 위치가 가변되는 다수개의 돌출부의 이동에 따라 해당하는 펄스 신호를 출력하는 위상 감지수단으로 이루어져 있는 것을 특징으로 하는 캠 샤프트의 위상 변화 감지 장치.In order to detect the rotational state according to the rotation operation of the cam shaft 20 which rotates in association with the crankshaft according to the operation of the engine, a plurality of protrusions mounted at predetermined intervals in the housing of the variable valve timing device 10. Wow; It is mounted to a position corresponding to the plurality of protrusions, characterized in that it consists of a phase sensing means for outputting a corresponding pulse signal in accordance with the movement of the plurality of protrusions whose position is changed according to the rotation operation of the cam shaft 20 Phase change detection device of the camshaft. 제1항에 있어서, 상기 다수개의 돌출부는, 서로 감지되는 부분의 크기를 상이하게 설계하여, 발생하는 펄스 신호의 펄스폭에 따라 현재 엔진 실린더의 동작 상태를 판단할 수 있도록 하는 캠 샤프트의 위상 변화 감지 장치.The camshaft phase change of the camshaft of claim 1, wherein the plurality of protrusions have different sizes of the sensing parts, so that the current state of the engine cylinder can be determined according to the pulse width of the generated pulse signal. Sensing device. 제1항에 있어서, 상기 다수개의 돌출부는, 흡기 밸브의 개폐 동작을 실행하는 흡기 캠 샤프트에 소정의 간격을 두고 장착되어 있는 것을 특징으로 하는 캠 샤프트의 위치 변환 감지 장치.The cam shaft position shift sensing device according to claim 1, wherein the plurality of protrusions are mounted at predetermined intervals on the intake cam shaft for performing the opening and closing operation of the intake valve. 제1항에 있어서, 상기 위상 감지 수단은, 캠 샤프트(20)의 회전동작에 따라 장착되어 다수개의 돌출부가 통과할 때마다 해당하는 펄스신호를 출력하는 홀 센서(40)로 이루어져 있는 것을 특징으로 하는 캠 샤프트의 위상 변화 감지 장치.The method of claim 1, wherein the phase detection means is mounted according to the rotation operation of the cam shaft 20, characterized in that the hall sensor 40 for outputting a corresponding pulse signal each time a plurality of protrusions pass through Phase change detection device of the camshaft. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940033304A 1994-12-08 1994-12-08 Phase change measurement device of cam shaft KR100203878B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940033304A KR100203878B1 (en) 1994-12-08 1994-12-08 Phase change measurement device of cam shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940033304A KR100203878B1 (en) 1994-12-08 1994-12-08 Phase change measurement device of cam shaft

Publications (2)

Publication Number Publication Date
KR960023604A true KR960023604A (en) 1996-07-20
KR100203878B1 KR100203878B1 (en) 1999-06-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940033304A KR100203878B1 (en) 1994-12-08 1994-12-08 Phase change measurement device of cam shaft

Country Status (1)

Country Link
KR (1) KR100203878B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030089863A (en) * 2002-05-20 2003-11-28 현대자동차주식회사 Cam position target assembly
KR100841726B1 (en) * 2001-06-15 2008-06-27 니탄 밸브 가부시키가이샤 Electromagnetic brake cooling structure of phase variable device in car engine
KR101616648B1 (en) 2014-12-23 2016-04-28 주식회사 현대케피코 System and method for controlling a phase of cam axis in electronic continous variable valve timing type brushless motor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100411116B1 (en) * 2001-08-31 2003-12-18 현대자동차주식회사 Apparatus For Determination Of Valve Over Lap And Method Thereof
KR101866090B1 (en) * 2016-11-18 2018-06-08 현대자동차주식회사 Sensor piece integrated type cam shaft

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100841726B1 (en) * 2001-06-15 2008-06-27 니탄 밸브 가부시키가이샤 Electromagnetic brake cooling structure of phase variable device in car engine
KR20030089863A (en) * 2002-05-20 2003-11-28 현대자동차주식회사 Cam position target assembly
KR101616648B1 (en) 2014-12-23 2016-04-28 주식회사 현대케피코 System and method for controlling a phase of cam axis in electronic continous variable valve timing type brushless motor

Also Published As

Publication number Publication date
KR100203878B1 (en) 1999-06-15

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