EP1074464B1 - Bootsantrieb mit einem Verstellpropeller - Google Patents
Bootsantrieb mit einem Verstellpropeller Download PDFInfo
- Publication number
- EP1074464B1 EP1074464B1 EP00114491A EP00114491A EP1074464B1 EP 1074464 B1 EP1074464 B1 EP 1074464B1 EP 00114491 A EP00114491 A EP 00114491A EP 00114491 A EP00114491 A EP 00114491A EP 1074464 B1 EP1074464 B1 EP 1074464B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- propeller
- housing
- boat drive
- drive according
- adjusting
- 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.)
- Expired - Lifetime
Links
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000012208 gear oil Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
- B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
- B63H3/081—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft
- B63H3/082—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft the control element being axially reciprocatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
- B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
- B63H3/081—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft
- B63H3/082—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft the control element being axially reciprocatable
- B63H2003/085—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft the control element being axially reciprocatable the control element having means for preventing rotation together with the propeller
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
Definitions
- the invention relates to a boat drive with an adjustable propeller
- the Hub can be attached to a hollow propeller shaft coupled to a drive is and its propeller blades adjustable with an adjustment mechanism to which is arranged in the propeller shaft and on both sides above it heard extending plunger, one end of the plunger via a thrust bearing to a double-acting lifting cylinder connected in a housing of an outboard motor, a sterndrive or a shaft block is arranged.
- Such a boat drive is known (DE 40 00 115 or US 5 073 134).
- the hollow propeller shaft is driven by a bevel gear and is supported on a thrust bearing that receives the propeller thrust.
- the adjusting plunger rotating with the hollow propeller shaft is through the thrust bearing passed through to a double-acting thrust bearing, on the on the other hand the non-rotating piston rod of the non-rotatable in the housing arranged lifting cylinder attacks.
- the lifting cylinder is detachable Attachment of the housing. But this results in a relative large length of the underwater part with lifting cylinder, axial bearing, Bevel gear, propeller hub and possibly other components.
- the object of the invention is to determine the overall length of the underwater part of the Reduce housing.
- the lifting cylinder to the adjustment plunger has open hollow piston in which the thrust bearing is housed is. This saves the overall length required for the thrust bearing become.
- the adjustment plunger can have a radial flange, which is supported on both sides by single-acting axial bearings.
- a hollow piston rod advantageously adjoins the hollow piston, through which the adjustment plunger extends.
- the piston rod should be axially displaceable and be rotatably mounted in the housing so that the piston rod and thus the hollow piston is not rotated by the rotating adjustment plunger become.
- the housing can have a detachable housing cover.
- the hollow piston can also have a detachable piston cover.
- the thrust bearing can be closed and self-lubricating exhibit. But there is also the possibility of using a propeller shaft extending between a gear lubrication and the adjusting plunger Provide bore through which the gear oil due to the pressure drop reaches the axial bearing between rotating and non-rotating parts and serves there for lubrication and cooling.
- a housing 1 of an outboard motor is indicated.
- the Housing 1 has a drive shaft 2 with a bevel gear 3.
- a bevel gear 4 is supported on a thrust bearing 5 and sits on a hollow propeller shaft 6, which is mounted in a housing insert 7.
- On the propeller shaft 6 is next to the housing insert 7, a hub 8 of an adjustable propeller attached.
- the hub 8 is rotatable on the circumference about radial axes arranged propeller blades 9, which by means of an adjusting mechanism 10 can be adjusted around their axes.
- the adjustment mechanism 10 is on known, e.g. from DE 40 00 115, and therefore needs in detail not to be described.
- Exhaust duct 11 runs parallel to drive shaft 2 in housing 1 Connect further channels in the hub 8 so that the exhaust gas Motor, not shown, can emerge on the free side of the hub 8.
- the path of the exhaust gas is indicated by arrows 12.
- the adjustment mechanism 10 includes an adjustment plunger 13 which is located within the hollow propeller shaft 6 is arranged and on both sides beyond it extends.
- the left end of the adjusting plunger 13 in the figure is with the adjusting mechanism 10 connected.
- the right end of the adjustment plunger in the figure 13 carries a radial flange 14 on both sides of single-acting Axial bearing 15 is supported.
- the axial bearings 15 are in a hollow piston 16 arranged, the associated cylinder 17 inserted into the housing 1 is. Hydraulic lines 18 lead to the cylinder 17 Execution, the hydraulic lines 18 end on both sides of a piston seal 19 and the one to the right of the piston seal 19 in the figure Section of the hollow piston 16 has a slightly smaller outer diameter on as the section in the area of the piston seal 19.
- a hollow piston rod is connected to the hollow piston 16 on the propeller shaft side 20 through which the adjustment plunger 13 extends.
- the piston rod 20 is in the region of an axial flange adjoining the cylinder 17 21 provided with an anti-rotation device 22, which in the illustrated Version consists of keyways with associated keys.
- the piston rod 20 and the associated hollow piston 16 are axial slidably but rotatably mounted in the cylinder 17 or in the housing 1.
- the cylinder 17 has a detachable housing cover 23, over which a streamlined cover 25 extends.
- the hollow piston 16 has a detachable piston cover 24.
- the thrust bearing 15 can either be closed and self-lubricating or be supplied with gear oil via a between a gear lubrication and the adjusting plunger 13 extending bore 26 in the Propeller shaft are supplied with lubricant.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- General Details Of Gearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Gear Transmission (AREA)
- Actuator (AREA)
- Transmission Devices (AREA)
- Rotary Pumps (AREA)
Description
Claims (7)
- Bootsantrieb mit einem Verstellpropeller, dessen Nabe (8) auf einer hohlen, an einen Antrieb gekuppelten Propellerwelle (6) befestigbar ist und dessen Propellerflügel (9) mit einem Verstellmechanismus (10) verstellbar sind, zu dem ein in der Propellerwelle angeordneter und sich beidseits darüber hinaus erstreckender Verstellstößel (13) gehört, wobei ein Ende des Verstellstößels (13) über ein Axiallager (15) an einen doppelt wirkenden Hubzylinder (16, 17) angeschlossen ist, der drehfest in einem Gehäuse (1) eines Außenbordmotors, eines Z-Antriebs oder eines Wellenbocks angeordnet ist, dadurch gekennzeichnet , daß der Hubzylinder (16, 17) einen zum Verstellstößel (13) hin offenen Hohlkolben (16) aufweist, in dem das Axiallager (15) untergebracht ist.
- Bootsantrieb nach Anspruch 1, dadurch gekennzeichnet, daß der Verstellstößel (13) einen Radialflansch (14) aufweist, der beidseits an einfach wirkenden Axiallagem (15) abgestützt ist.
- Bootsantrieb nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß an den Hohlkolben (16) eine hohle Kolbenstange (20) anschließt, durch die sich der Verstellstößel (13) erstreckt.
- Bootsantrieb nach Anspruch 3, dadurch gekennzeichnet, daß die Kolbenstange (20) axial verschieblich und drehfest im Gehäuse (1, 17) gelagert ist.
- Bootsantrieb nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Gehäuse (1, 17) einen lösbaren Gehäusedeckel (25) aufweist.
- Bootsantrieb nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Hohlkolben (16) einen lösbaren Kolbendeckel (23) aufweist.
- Bootsantrieb nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Propellerwelle (6) eine sich zwischen einer Getriebeschmierung und dem Verstellstößel (13) erstreckende Bohrung (26) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19936949 | 1999-08-05 | ||
DE19936949A DE19936949C1 (de) | 1999-08-05 | 1999-08-05 | Bootsantrieb mit einem Verstellpropeller |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1074464A2 EP1074464A2 (de) | 2001-02-07 |
EP1074464A3 EP1074464A3 (de) | 2002-12-18 |
EP1074464B1 true EP1074464B1 (de) | 2004-03-03 |
Family
ID=7917311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00114491A Expired - Lifetime EP1074464B1 (de) | 1999-08-05 | 2000-07-06 | Bootsantrieb mit einem Verstellpropeller |
Country Status (4)
Country | Link |
---|---|
US (1) | US6250979B1 (de) |
EP (1) | EP1074464B1 (de) |
JP (1) | JP2001080578A (de) |
DE (2) | DE19936949C1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1915288B1 (de) | 2005-08-05 | 2010-10-27 | Peter A. Müller | Wasserfahrzeugantrieb |
US8465257B1 (en) | 2008-10-31 | 2013-06-18 | Brp Us Inc. | Variable pitch propeller |
CN107696810B (zh) * | 2017-11-01 | 2024-06-04 | 南京政通建设工程有限公司 | 一种用于水陆两栖车的螺旋桨推进器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH668046A5 (de) * | 1983-09-22 | 1988-11-30 | Peter Mueller | Verstellpropeller und antrieb fuer wasserfahrzeuge. |
ES2025593T3 (es) * | 1987-07-03 | 1992-04-01 | Peter Muller | Helice de paso variable para embarcaciones. |
DE4000115A1 (de) * | 1990-01-04 | 1991-07-11 | Urs Morgenthaler | Bootsantrieb mit einem verstellpropeller |
DE4031932A1 (de) * | 1990-10-09 | 1992-04-16 | Peter Mueller | Verstellpropeller |
US5967753A (en) * | 1998-09-28 | 1999-10-19 | Muller; Peter | Controllable-pitch propeller, especially for sport boats and other watercraft |
-
1999
- 1999-08-05 DE DE19936949A patent/DE19936949C1/de not_active Expired - Fee Related
-
2000
- 2000-07-06 DE DE50005485T patent/DE50005485D1/de not_active Expired - Lifetime
- 2000-07-06 EP EP00114491A patent/EP1074464B1/de not_active Expired - Lifetime
- 2000-08-04 US US09/632,280 patent/US6250979B1/en not_active Expired - Lifetime
- 2000-08-07 JP JP2000238964A patent/JP2001080578A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2001080578A (ja) | 2001-03-27 |
US6250979B1 (en) | 2001-06-26 |
EP1074464A2 (de) | 2001-02-07 |
EP1074464A3 (de) | 2002-12-18 |
DE19936949C1 (de) | 2001-01-25 |
DE50005485D1 (de) | 2004-04-08 |
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