EP1167701A1 - Ventilhalterung für ein Hubventil einer Brennkraftmaschine - Google Patents
Ventilhalterung für ein Hubventil einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP1167701A1 EP1167701A1 EP01111610A EP01111610A EP1167701A1 EP 1167701 A1 EP1167701 A1 EP 1167701A1 EP 01111610 A EP01111610 A EP 01111610A EP 01111610 A EP01111610 A EP 01111610A EP 1167701 A1 EP1167701 A1 EP 1167701A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- pressure plate
- plate
- spring
- valve stem
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
Images
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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/10—Connecting springs to valve members
-
- 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
- F01L1/20—Adjusting or compensating clearance
Definitions
- the invention relates to a valve holder for a lift valve of an internal combustion engine according to the type mentioned in the preamble of claim 1.
- the invention is based on the German patent application 20 14 575.
- a valve control assembly for internal combustion engines with an overhead Camshaft shown.
- the cam of a rotating camshaft is actuated by this arrangement a rocker arm, which in turn on the cylinder head side in a ball joint is stored.
- the end of the rocker arm facing away from the ball joint side transmits the lifting movement to a side plate via a pressure plate Lift valve.
- the valve stem of the globe valve is opposed by valve cone elements Spring force held by valve springs that press against the spring plate.
- the spring plate surrounds the pressure element between the rocker arm and valve stem is arranged radially. Part of the cheeks of the pressure plate are in Closing direction of the globe valve from the hole in the spring plate in which it is arranged is out.
- a disadvantage of this arrangement is the high design of the valve plate and the Pressure plate and therefore the large moving mass of the valve train.
- the object of the invention is a flatter design of the valve plate and pressure plate Realize to minimize the moving mass of the valve train, tilting the pressure plate during assembly of the valve train parts and during service work is safely prevented.
- This object is achieved by the characterizing part of the patent claim 1 solved.
- This arrangement shortens the overall length of the valve plate in the closing direction of the lift valve optimally, whereby space is gained and the moving Masses in the valve train are reduced. Furthermore, the printing plate falls out prevented by tilting in the hole. Valve train or engine damage that occurs fallen pressure plates can be attributed to the engine interior reliably prevented.
- the use of the pressure plate as a valve clearance compensation element according to claim 3 provides a cost-effective, easy-to-manufacture and robust balancing solution of the valve clearance.
- Figure 1 shows a sectional view of a valve holder 1.
- a pressure plate 6 At the end of the valve stem 2 there is a pressure plate 6.
- she is in a cylindrical bore 9 arranged coaxially with the conical bore 8, whose inner diameter is larger than the largest inner diameter of the conical Bore 8 is held radially.
- valve cone elements 3, 3 ' With this engagement results in a positive connection between the valve stem 2 and the valve cone elements 3, 3 'guaranteed.
- the valve cone elements 3, 3 ' have a conical outer shape. The large outside diameter is on the side of the valve stem end. The valve cone elements 3, 3 'protrude almost up to the height of the valve stem end, but do not touch the pressure plate 6. So is in the assembled valve holder 1 always an annular gap 7 between the Pressure plate 6 and the valve cone elements 3, 3 'available.
- valve stem 2 When assembling the arrangement, valve stem 2 is inserted into conical bore 8 introduced from the side facing away from the pressure plate 6. Then will the valve disk 4 with a special tool against the spring force of the valve spring 5 pressed so that the valve stem 2 at least by its guide length in the spring plate 4 extends beyond the edge of the bore 9.
- the two valve cone elements 3, 3 ' inserted into the ring grooves 10, 10' on the valve stem 2. Then the contact pressure of the special tool against the spring force is reduced, so that the valve stem 2 with the two valve cone elements 3, 3 'with their slide the conical outer circumference into the conical bore 8. Due to the The spring force of the valve spring 5 now wedges the valve cone elements 3, 3 'in the conical bore 8.
- valve cone elements 3, 3 'and the pressure plate 6 reliably prevents this from tipping.
- the number of annular grooves 10 on the valve stem 2, in which the valve cone elements 3, 3 'engage vary. You can also more than two valve cone elements 3, 3 'can be installed. For simpler and better Assembly of the pressure plate 6 can be a slip chamfer on the cylindrical bore 9 are attached.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
- Fig. 1:
- Schnittdarstellung in der Hubventilachse einer Ventilhalterung
- 1
- Ventilhalterung
- 2
- Ventilschaft
- 3, 3'
- Ventilkegelelement
- 4
- Federteller
- 5
- Ventilfeder
- 6
- Druckplatte
- 7
- Ringspalt
- 8
- Konische Bohrung
- 9
- Zylindrische Bohrung
- 10, 10'
- Ringnut
- 11
- Hubventilachse
Claims (4)
- Ventilhalterung für einen Ventilschaft eines Hubventils einer Brennkraftmaschine, der von zumindest zwei Ventilkegelelementen, die koaxial zwischen dem Ventilschaft und einem Federteller angeordnet sind, diesen in axialer Richtung gegen die Federkraft von zumindest einer Ventilfeder, deren Federkraft axial auf den Federteller wirkt und koaxial um das Hubventil angeordnet ist, in dem Federteller gehaltert ist und einer Druckplatte die auf dem Ventilschaft in axialer Richtung aufliegt und radial von dem Federteller umschlossen ist,
dadurch gekennzeichnet, dass das Ventilkegelelement (3) bis auf die Höhe des Ventilschaftendes verlängert ist. - Ventilhalterung nach Anspruch 1,
dadurch gekennzeichnet, dass der maximale Abstand der Druckplatte (6) vom oberen Ende des Ventilkegelelements (3) 0,5 mm ist. - Ventilhalterung nach Anspruch 1,
dadurch gekennzeichnet, dass die Druckplatte (6) ein Ventilspielausgleichselement ist. - Ventilhalterung nach zumindest einem der zuvor genannten Ansprüche,
dadurch gekennzeichnet, dass die Druckplatte (6) in axialer Richtung über den Federteller (4) ragt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10031973 | 2000-06-30 | ||
| DE10031973A DE10031973C2 (de) | 2000-06-30 | 2000-06-30 | Ventilhalterung für ein Hubventil einer Brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1167701A1 true EP1167701A1 (de) | 2002-01-02 |
| EP1167701B1 EP1167701B1 (de) | 2005-03-16 |
Family
ID=7647399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01111610A Expired - Lifetime EP1167701B1 (de) | 2000-06-30 | 2001-05-12 | Ventilhalterung für ein Hubventil einer Brennkraftmaschine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1167701B1 (de) |
| DE (2) | DE10031973C2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010002996A1 (en) * | 2008-07-02 | 2010-01-07 | Charter Manufacturing Co., Inc. | Valve spring retainer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR931101A (fr) * | 1945-07-23 | 1948-02-13 | Eaton Mfg Co | Perfectionnements apportés à une soupape pour moteur à combustion interne |
| US2827891A (en) * | 1954-12-16 | 1958-03-25 | Herbert H Engemann | Valve tip construction |
| US2851022A (en) * | 1954-11-09 | 1958-09-09 | Gen Motors Corp | Poppet valve operating mechanism |
| DE2014575A1 (de) | 1970-03-26 | 1971-10-14 | Daimler Benz AG, 7000 Stuttgart Unterturkheim | Ventilsteuerungsanordnung |
| GB2186057A (en) * | 1986-01-31 | 1987-08-05 | Robert Anthony Furnivall | Internal combustion engine valve assemblies |
| DE19548290A1 (de) * | 1995-12-22 | 1997-07-03 | Audi Ag | Vorrichtung zur Drehung eines Ventils einer Brennkraftmaschine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3614258A1 (de) * | 1986-04-26 | 1987-10-29 | Motomak | Hydraulische ventilspielausgleichsvorrichtung fuer verbrennungsmotoren |
-
2000
- 2000-06-30 DE DE10031973A patent/DE10031973C2/de not_active Expired - Fee Related
-
2001
- 2001-05-12 DE DE50105590T patent/DE50105590D1/de not_active Expired - Lifetime
- 2001-05-12 EP EP01111610A patent/EP1167701B1/de not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR931101A (fr) * | 1945-07-23 | 1948-02-13 | Eaton Mfg Co | Perfectionnements apportés à une soupape pour moteur à combustion interne |
| US2851022A (en) * | 1954-11-09 | 1958-09-09 | Gen Motors Corp | Poppet valve operating mechanism |
| US2827891A (en) * | 1954-12-16 | 1958-03-25 | Herbert H Engemann | Valve tip construction |
| DE2014575A1 (de) | 1970-03-26 | 1971-10-14 | Daimler Benz AG, 7000 Stuttgart Unterturkheim | Ventilsteuerungsanordnung |
| GB2186057A (en) * | 1986-01-31 | 1987-08-05 | Robert Anthony Furnivall | Internal combustion engine valve assemblies |
| DE19548290A1 (de) * | 1995-12-22 | 1997-07-03 | Audi Ag | Vorrichtung zur Drehung eines Ventils einer Brennkraftmaschine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010002996A1 (en) * | 2008-07-02 | 2010-01-07 | Charter Manufacturing Co., Inc. | Valve spring retainer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10031973A1 (de) | 2002-02-28 |
| DE10031973C2 (de) | 2002-11-21 |
| DE50105590D1 (de) | 2005-04-21 |
| EP1167701B1 (de) | 2005-03-16 |
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