ATE499510T1 - VALVE ROTATION DEVICE FOR EXHAUST VALVES OF INCOMMODATION ENGINES - Google Patents
VALVE ROTATION DEVICE FOR EXHAUST VALVES OF INCOMMODATION ENGINESInfo
- Publication number
- ATE499510T1 ATE499510T1 AT09730235T AT09730235T ATE499510T1 AT E499510 T1 ATE499510 T1 AT E499510T1 AT 09730235 T AT09730235 T AT 09730235T AT 09730235 T AT09730235 T AT 09730235T AT E499510 T1 ATE499510 T1 AT E499510T1
- Authority
- AT
- Austria
- Prior art keywords
- valve
- helical toothing
- engines
- exhaust valves
- opening
- Prior art date
Links
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
- F01L1/32—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for rotating lift valves, e.g. to diminish wear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Mechanically-Actuated Valves (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a valve rotating device for exhaust valves of internal combustion engines, in particular marine diesel engines. According to the invention, said device is arranged on a valve housing for the valve spindle (1), in the vicinity of a first drive element for opening the valve and a second drive element for closing the valve. Said device comprises a neutral device that rotates the valve spindle (1) during the closing movement or the opening movement thereof and releases the rotation in the counter direction. In order to transmit the rotational movement, the valve spindle (1) comprises an outer helical toothing (16) on the valve stem (3) and the associated inner helical toothing (14) on an inner ring (13) is supported by means of the neutral device. The outer helical toothing (16) corresponds, in the axial direction, at least to the length of the opening lift of the valve spindle (1) and the minimum engagement length of the helical toothing. The inner ring (13) is mounted on the axial ball-bearing (62) in a recess of a housing cover (4) of the valve housing (2) and comprises, on the outer periphery thereof, a ratchet toothing that interacts with the ratchet elements of the neutral device.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008018612A DE102008018612A1 (en) | 2008-04-11 | 2008-04-11 | Valve rotating device for exhaust valves of internal combustion engines |
PCT/EP2009/002560 WO2009124718A1 (en) | 2008-04-11 | 2009-04-07 | Valve rotating device for exhaust valves of internal combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE499510T1 true ATE499510T1 (en) | 2011-03-15 |
Family
ID=40863705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT09730235T ATE499510T1 (en) | 2008-04-11 | 2009-04-07 | VALVE ROTATION DEVICE FOR EXHAUST VALVES OF INCOMMODATION ENGINES |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2212525B1 (en) |
AT (1) | ATE499510T1 (en) |
DE (2) | DE102008018612A1 (en) |
DK (1) | DK2212525T3 (en) |
WO (1) | WO2009124718A1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1347488A (en) * | 1918-08-15 | 1920-07-27 | Stanley B Arnold | Valve |
DE3225725A1 (en) * | 1982-07-06 | 1984-01-12 | Gebrüder Sulzer AG, 8401 Winterthur | Device for the intermittent rotation of valves leading into the cylinder space of an internal combustion engine |
DE9003894U1 (en) * | 1990-04-04 | 1990-07-19 | Krupp Mak Maschinenbau Gmbh, 2300 Kiel | Torsion device for a valve of an internal combustion engine |
DE29522196U1 (en) * | 1995-01-07 | 2000-09-14 | Wissenschaftlich-Technisches Zentrum für Motoren- und Maschinenforschung Roßlau gGmbH, 06862 Roßlau | Valve turning device for gas exchange valves |
FI101164B (en) * | 1995-10-10 | 1998-04-30 | Waertsilae Nsd Oy Ab | Improved valve rotation device |
DK0892154T3 (en) * | 1997-07-16 | 2003-04-22 | Waertsilae Nsd Schweiz Ag | Device for turning a valve |
DE102004020754B4 (en) | 2004-04-27 | 2006-03-30 | Märkisches Werk GmbH | Valve rotating device for exhaust valves of ships' diesel engines has rotary cylinder and stationary support cylinder inter-engaging via helical gearing, with rotary cylinder connected to valve spindle via overrunning device |
-
2008
- 2008-04-11 DE DE102008018612A patent/DE102008018612A1/en not_active Withdrawn
-
2009
- 2009-04-07 EP EP09730235A patent/EP2212525B1/en not_active Not-in-force
- 2009-04-07 AT AT09730235T patent/ATE499510T1/en active
- 2009-04-07 DK DK09730235.0T patent/DK2212525T3/en active
- 2009-04-07 DE DE502009000398T patent/DE502009000398D1/en active Active
- 2009-04-07 WO PCT/EP2009/002560 patent/WO2009124718A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
DK2212525T3 (en) | 2011-06-20 |
DE102008018612A1 (en) | 2009-10-29 |
EP2212525B1 (en) | 2011-02-23 |
EP2212525A1 (en) | 2010-08-04 |
WO2009124718A1 (en) | 2009-10-15 |
DE502009000398D1 (en) | 2011-04-07 |
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