KR920703973A - Hydraulic control device - Google Patents

Hydraulic control device

Info

Publication number
KR920703973A
KR920703973A KR1019920701663A KR920701663A KR920703973A KR 920703973 A KR920703973 A KR 920703973A KR 1019920701663 A KR1019920701663 A KR 1019920701663A KR 920701663 A KR920701663 A KR 920701663A KR 920703973 A KR920703973 A KR 920703973A
Authority
KR
South Korea
Prior art keywords
piston
hydraulic control
control device
pressure
hydraulic
Prior art date
Application number
KR1019920701663A
Other languages
Korean (ko)
Inventor
렘볼트 헬무트
뮐러 마르틴
Original Assignee
랄프 홀게르 베렌스, 디터 비트마이어
로베르트 보쉬 게엠베하
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.)
Filing date
Publication date
Application filed by 랄프 홀게르 베렌스, 디터 비트마이어, 로베르트 보쉬 게엠베하 filed Critical 랄프 홀게르 베렌스, 디터 비트마이어
Publication of KR920703973A publication Critical patent/KR920703973A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • 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
    • 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
    • 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
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2024—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means the throttling means being a multiple-way valve
    • 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
    • F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil

Abstract

내용 없음No content

Description

유압 조절 장치Hydraulic control device

[도면의 간단한 설명][Brief Description of Drawings]

제1도는 유압 조절 장치를 도시한 개략도.1 is a schematic view showing a hydraulic control device.

제2도는 제어 밸브의 종단면도.2 is a longitudinal sectional view of a control valve.

제3도는 유압 조절 장치의 동일한 회로 다이어그램.3 is the same circuit diagram of the hydraulic control device.

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

Claims (23)

차동 피스톤의 환형면은 압력 매체를 일정하게 받게되는 반면에, 대형 피스톤상의 압력 공간(18)에 있는 압력은 전자석적으로 작동가능한 제어 밸브(20,20A 내지 20G)에 의해 변화될 수 있고, 차동 피스톤의 밸브 본체(24,66,110,110E)는 중심 위치에서 네가티브 오버랩과 압력 매체의 부분 유출의 결과로써 압력 공간(13,18)에서 발생되는 부분 압력을 가지는 차동 피스톤(12)을 포함하는 유압 조절 장치에 있어서, 제어 밸브(22,22A 내지 22C)의 유동 단면은 압력 공간(l8,13)에 있는 부분 압력이 거의 일정하게 유지되는 방법으로 전자석(22,22A 내지 22G)의 적절한 활성화에 의해 특정 표준의 기능으로써 연속적으로 또는 블연속적으로 변화될 수 있는 것을 특징으로 하는 유압 조절 장치.While the annular surface of the differential piston receives a constant pressure medium, the pressure in the pressure space 18 on the large piston can be varied by means of electromagnetically actuated control valves 20, 20A to 20G, and differential The valve body 24, 66, 110, 110E of the piston is a hydraulic control device comprising a differential piston 12 having a partial pressure generated in the pressure space 13, 18 as a result of negative overlap and partial outflow of the pressure medium at the central position. In this case, the flow cross section of the control valves 22, 22A to 22C is determined by a specific standard by proper activation of the electromagnets 22, 22A to 22G in such a way that the partial pressure in the pressure spaces l8 and 13 is kept substantially constant. Hydraulic control device which can be changed continuously or continuously as a function of. 제1항에 있어서, 제어 밸브(20,20A 내지 20G)의 유동 단면은 소비 연결부(A)로부터 복귀 연결부(R)까지 펌프 속도로 확장되는 것을 특징으로 하는 유압 조절 장치.2. The hydraulic control device according to claim 1, wherein the flow cross section of the control valve (20, 20A to 20G) extends at the pump speed from the consuming connection (A) to the return connection (R). 제1항 및 제2항에 있어서, 전자석은 차동 피스톤 위치의 필요한 실제값의 편차의 경우에 활성화되는 전자석에 의해 작동되는 것을 특징으로 하는 유압 조절 장치.The hydraulic control device according to claim 1 or 2, characterized in that the electromagnet is operated by an electromagnet which is activated in case of deviation of the required actual value of the differential piston position. 제1항 내지 제3항에 있어서, 밸브 본체는 제어 슬라이드(24)인 것을 특징으로 하는 유압 조절 장치.4. The hydraulic control device according to claim 1, wherein the valve body is a control slide. 제1항 내지 제3항에 있어서, 밸브 본체는 시트 밸브 본체(66,110,110E)인 것을 특징으로 하는 유압 조절 장치.4. A hydraulic control device according to claim 1, wherein the valve body is a seat valve body (66, 110, 110E). 제1항 내지 제5항에 있어서, 펌프(16)는 내연기관 특히 차량에 의해 구동되고, 소비는 크랭크 샤프트에 관련된 캠 샤프트의 연속 조정을 위해 차동 피스톤에 의해 작동되는 장치인 것을 특징으로 하는 유압 조절 창치.Hydraulic power according to claim 1, characterized in that the pump (16) is driven by an internal combustion engine, in particular a vehicle, and the consumption is a device operated by a differential piston for the continuous adjustment of the cam shaft relative to the crankshaft. Adjustable inch. 제1항 내지 제6항에 있어서, 제어 밸브는 자석 하우징(37 내지 37G)과, 피스톤 가이드 디스크(38 내지 38G) 및 플랜지형 판(39 내지 39G)이 연속적으로 삽입되는 하우징(35)을 갖는 것을 특징으로 하는 유압 조절 장치.7. The control valve according to claim 1, wherein the control valve has a magnet housing 37 to 37G and a housing 35 into which the piston guide discs 38 to 38G and the flanged plates 39 to 39G are inserted continuously. Hydraulic control device, characterized in that. 제1항 내지 제7항에 있어서, 시트 밸브 본체는 피스톤 가이드 디스크내에 있는 보어(60,108,186)안으로 삽입되는 피스톤(66,110,110E)으로써 설계되어 있고, 상기 피스톤은 압력 매체 채널(70,71,73,113)을 갖는 것을 특징으로 하는 유압 조절 장치.8. The seat valve body as claimed in claim 1 is designed as a piston (66, 110, 110E) inserted into the bore (60, 108, 186) in the piston guide disc, said piston being the pressure medium channel (70, 71, 73, 113). Hydraulic control device characterized in that it has. 제1항 내지 제8항에 있어서, 피스톤(66,110,110E)은 두개의 밸브 시트와 상호 작동하는 것을 특징으로 하는 유압 조절 장치.9. The hydraulic control device according to claim 1, wherein the piston (66, 110, 110 E) cooperates with two valve seats. 제1항 내지 제9항에 있어서, 밸브 시트와 상호 작동하는 피스톤의 단부면은 환형 나이프 엣지(67,74,114,115)로써 설계된 것을 특징으로 하는 유압 조절 장치.10. The hydraulic control device according to claim 1, wherein the end face of the piston cooperating with the valve seat is designed as an annular knife edge (67, 74, 114, 115). 제1항 내지 제10항에 있어서, 피스톤상의 유동력은 보상 소자(117,1l8 129,129',192)에 의해 감소되는 것을 특징으로 하는 유압 조절 장치.The hydraulic control device according to claim 1, wherein the flow force on the piston is reduced by a compensating element (117, 11 8 129, 129 ′, 192). 제1항 내지 제11항에 있어서, 피스톤은 전자석의 아마츄어와 동시에 작동하고, 피스톤상의 압력은 보상되는 것을 특징으로 하는 유압 조절장치.12. The hydraulic regulator of claim 1, wherein the piston operates simultaneously with the armature of the electromagnet and the pressure on the piston is compensated. 제1항 내지 제11항에 있어서, 접시형 편평한 아마츄어(119,119F)는 피스톤에 고정된 것을 특징으로 하는 유압 조절 장치.12. The hydraulic control device according to claim 1, wherein the flat plate-shaped armature (119, 119F) is fixed to the piston. 제1항 내지 제11항에 있어서, 환형 아마츄어(190)는 피스톤에 고정된 것을 특징으로 하는 유압 조절 장치.12. The hydraulic control device according to claim 1, wherein the annular armature (190) is fixed to a piston. 제1항 내지 제14항에 있어서, 피스톤 가이드 디스크는 적어도 두개의 피스톤 가이드 링(180 내지 182)으로 구성된 것을 특징으로 하는 유압 조절 장치.15. The hydraulic control device according to claim 1, wherein the piston guide disk consists of at least two piston guide rings (180 to 182). 제1항 내지 제15항에 있어서, 서로 대향 배치된 환형홈(194 내지 196,194' 내지 196')은 아마츄어(190)의 외부 원주상에 그리고 피스톤 가이드 디스크내에 형성된 것을 특징으로 하는 유압 조절 장치.16. The hydraulic control device according to claim 1, wherein the annular grooves (194-196, 194 '-196') disposed opposite each other are formed on the outer circumference of the armature (190) and in the piston guide disk. 제1항 내지 제16항에 있어서, 예정 작동 운동이 초과된 후에 피스톤상에서 제1스프링(23A 내지 23G)에 부가하여 작동하는 제2압축 스프링(143)을 피스톤상에서 작동시키는 것을 특징으로 하는 유압 조절 장치.17. The hydraulic control according to claim 1, characterized in that the second compression spring (143) is operated on the piston, which acts in addition to the first springs (23A to 23G) on the piston after the predetermined operating movement is exceeded. Device. 제1항 내지 제17항에 있어서, 피스톤의 단부면은 다른 직경을 갖는 것을 특징으로 하는 유압 조절 장치.18. A hydraulic control apparatus according to claim 1, wherein the end faces of the pistons have different diameters. 제1항 내지 제18항에 있어서, 전자석은 비례 자석(22F,22G)인 것을 특징으로 하는 유압 조절 장치.19. The hydraulic control device according to claim 1, wherein the electromagnets are proportional magnets (22F, 22G). 제1항 내지 제19항에 있어서, 피스톤 행정상에서의 자력 증가는 피스톤 행정상에서 스프링력의 증가에 대응하는 것을 특징으로 하는 유압 조절 장치.20. An oil pressure regulating device according to claim 1, wherein an increase in magnetic force on the piston stroke corresponds to an increase in spring force on the piston stroke. 제1항 내지 제20항에 있어서, 전자석을 조절하는 전자는 조절 변수로써 차동 피스톤의 조정 속도와 최대 허용가능 조정 속도간의 차이를 포함하는 것을 특징으로 하는 유압 조절 창치.21. A hydraulic adjustment device according to claim 1, wherein the electron regulating electromagnet comprises a difference between the adjustment speed of the differential piston and the maximum allowable adjustment speed as an adjustment variable. 제1항 내지 제21항에 있어서, 전자석을 조절하는 전자는 특정의 형태를 취하는 조절 변수로써 수용되는 것을 특징으로 하는 유압 조절 장치.22. The hydraulic control apparatus according to claim 1 to 21, wherein the electrons for adjusting the electromagnets are received as adjustment parameters taking a particular form. 제1항 내지 제22항에 있어서, RC 소자는 전자석을 조절하는 전자인 전자석의 코일에 평행하게 삽입되는 것을 특징으로 하는 유압 조절 장치.23. The oil pressure regulating device according to claim 1, wherein the RC element is inserted in parallel to the coil of the electromagnet which is the electron for adjusting the electromagnet. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920701663A 1990-01-16 1991-01-09 Hydraulic control device KR920703973A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DEP4001046.5 1990-01-16
DE4001046 1990-01-16
DE4037824A DE4037824A1 (en) 1990-01-16 1990-11-28 HYDRAULIC ACTUATOR
DEP4037824.1 1990-11-28
PCT/DE1991/000011 WO1991010813A1 (en) 1990-01-16 1991-01-09 Hydraulic control device

Publications (1)

Publication Number Publication Date
KR920703973A true KR920703973A (en) 1992-12-18

Family

ID=25889091

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920701663A KR920703973A (en) 1990-01-16 1991-01-09 Hydraulic control device

Country Status (5)

Country Link
EP (1) EP0511231A1 (en)
JP (1) JPH05503562A (en)
KR (1) KR920703973A (en)
DE (1) DE4037824A1 (en)
WO (1) WO1991010813A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128656C2 (en) * 1991-08-29 1994-10-20 Bosch Gmbh Robert Hydraulic actuating device and its use
DE4133526A1 (en) * 1991-10-10 1993-04-15 Bosch Gmbh Robert HYDRAULIC ACTUATOR
DE4216791A1 (en) * 1992-05-21 1993-11-25 Teves Gmbh Alfred Variable camshaft adjustment with proportional position controller
DE4224653A1 (en) * 1992-07-25 1994-01-27 Bosch Gmbh Robert Electro-hydraulic control device
US5615648A (en) * 1992-07-25 1997-04-01 Robert Bosch Gmbh Electro-hydraulic adjusting device
DE4227001A1 (en) * 1992-08-14 1994-02-17 Rexroth Mannesmann Gmbh Hydraulic drive for cam setting in IC engine - has hydraulic pump driven by reversible DC motor and separated from pump by non return valves cross linked to other feed lines.
DE4330827A1 (en) * 1993-09-11 1995-03-16 Teves Gmbh Alfred Electro-hydraulic pressure control device
DE4344440A1 (en) * 1993-12-24 1995-06-29 Teves Gmbh Alfred Solenoid valve, in particular for slip-controlled motor vehicle brake systems
DE19505741A1 (en) * 1995-02-20 1996-08-22 Schaeffler Waelzlager Kg Arrangement to avoid starting noises with cam adjusters
NL1011852C2 (en) † 1999-04-21 2000-10-24 Applied Power Inc Hydraulic control device for a vehicle cover cap assembly.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516331A (en) * 1967-03-21 1970-06-23 Chandler Evans Inc Time modulated hydraulically actuated control mechanism
JPS57173513A (en) * 1981-04-17 1982-10-25 Nippon Soken Inc Variable valve engine
DE3247916A1 (en) * 1982-12-24 1984-06-28 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR CONTROLLING THE VALVES OF AN INTERNAL COMBUSTION ENGINE OVER A CAMSHAFT

Also Published As

Publication number Publication date
WO1991010813A1 (en) 1991-07-25
JPH05503562A (en) 1993-06-10
EP0511231A1 (en) 1992-11-04
DE4037824A1 (en) 1991-07-18

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