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WO2006003067A1 - Commande de dispositif hydraulique pour moteurs marins - Google Patents

Commande de dispositif hydraulique pour moteurs marins Download PDF

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Publication number
WO2006003067A1
WO2006003067A1 PCT/EP2005/052587 EP2005052587W WO2006003067A1 WO 2006003067 A1 WO2006003067 A1 WO 2006003067A1 EP 2005052587 W EP2005052587 W EP 2005052587W WO 2006003067 A1 WO2006003067 A1 WO 2006003067A1
Authority
WO
WIPO (PCT)
Prior art keywords
steering
axis
cylinder
coupling
motor
Prior art date
Application number
PCT/EP2005/052587
Other languages
English (en)
Inventor
Giorgio Gai
Alessandro Staiolo
Original Assignee
Ultraflex S.P.A.
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 Ultraflex S.P.A. filed Critical Ultraflex S.P.A.
Priority to EP05752614A priority Critical patent/EP1761429A1/fr
Priority to US11/571,297 priority patent/US20080026655A1/en
Publication of WO2006003067A1 publication Critical patent/WO2006003067A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H25/08—Steering gear
    • B63H25/12—Steering gear with fluid transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B63H20/12—Means enabling steering

Definitions

  • the present invention relates to a steering hydraulic device for marine motors, particularly for a main outboard motor and at least a parallel secondary outboard motor, comprising a double-acting hydraulic cylinder for steering the main motor, which cylinder can slide along a rod whose axis is parallel to the axis of a tube tilting the main motor and it is substantially tangent or parallel to a tangential to the circle described by an arm steering the main motor, which steering arm is connected to said steering cylinder, particularly to a first end of said steering cylinder, by means of an articulated linkage for compensating the distance changes of the steering cylinder from the pivotable end of said arm steering the main motor during steering steps, and which steering cylinder can rotate at least about an axis, preferably about several axes parallel one with respect to the other and parallel to the axis of the tube tilting the main motor, such to allow tilting-up and tilting-down of the main motor, and which cylinder steering the main motor is connected to an arm steering the secondary motor by means of linkage articulated at
  • Steering hydraulic devices for marine vessels provided with outboard motors are well known and widely used. Generally they have a steering wheel placed at a certain distance from motors. Said steering wheel drives an hydraulic pump hydraulically connected by means of hydraulic hoses to the cylinder steering the main motor.
  • the secondary motor is generally a passive one, that: is its steering is controlled by the cylinder steering the main motor. This is due to the fact that by providing each motor with an active steering cylinder, it would be very difficult to synchronize the sliding and to guarantee the same steering angle of two motors, as weel as to the fact that the device would be very expensive.
  • connection between the cylinder steering the main motor and the steering arm for the secondary motor is generally provided by an articulated linkage that generally is quite complex, as regards construction, since they have to be made in such a way to allow the independent tilting of the two motors.
  • Known steering devices generally need a lot of space, above all with one or both motors being tilted, and they can interfere with other components of the marine vessel.
  • a single motor is tilted, it is inclined to converge towards the other one, and this transmits potentially damaged stresses upon variuos mechanisms.
  • the present invention aims to overcome the above drawbacks, and by means of simple and inexpensive means to allow the manufacturing of a device of the type described hereinbefore allowing to have a steering thrust force uniformly distributed on all motors, guaranteeing the maintenance of the same steering angle among various motors, not interfering with other components of the steering system and/or with motor hoods, having the possibility to tilt independently each motor and having the possibility to manoeuvre even if one or more motors are tilted, being extremely adaptable to different situations, above all referring to distance change between the two motors as regards different marine vessels.
  • the invention attains the above aims by means of a device of the type disclosed hereinbefore comprising a slide guide stationary associated to the secondary motor and it is parallel to the axis of the tube tilting the secondary motor, and a steering axial slider that can slide on said guide and it is connected to the pivotable end of the arm steering the secondary motor by means of articulated linkage working at least according to an axis perpendicular to the axis of the slide guide.
  • Said steering slider can be slidable driven at least by means of a bar articulately connected at least according to an axis with one end to said steering slider and with the other end connected to the second end of the cylinder steering the main motor.
  • Said steering slider can be further rotatable about its own sliding axis, such to allow independent tilting-up and tilting-down of the secondary motor.
  • the slide guide of the steering slider for the secondary motor may be retained by means of a nut and fastened on the threaded end of the tube. Arms with opposite ends thereof can be pivotably mounted about the axis of the tube tilting he secondary motor or about an axis parallel to said axis of said tube.
  • the steering slider, the slide guide, means fastening said guide and means connecting said steering slider to the arm steering the secondary motor may be substantially a not active copy and having the same degreees of movement freedom of the cylinder steering the main motor, of the rod upon which said cylinder slides, of means fastening said rod and of means connecting said cylinder to the arm steering the main motor.
  • articulated linkages for connecting the cylinder steering the main motor to the steering slider for the secondary motor may be made in such a way to allow the independent tilting of the two motors.
  • the bar connecting the steering slider for the secondary motor to the cylinder steering the main motor may have, at each opposite ends, a ball joint coupling to the slider steering the secondary motor and to the cylinder steering the main motor respectively.
  • the axis of the slide guide of the slider steering the secondary motor may coincides with the axis of the tube tilting the secondary motor.
  • Said slide guide of the slider steering the secondary motor may be an axial extension of the spindle about which the tube tilting the secondary motor rotates.
  • the axis of the slide guide of the slider steering the secondary motor may be an intermediate extension of axes of the tube tilting the main motor and of the tube tilting the secondary motor, approximately co-axial or co-axial one with respect to the other.
  • the steering slider for the secondary motor may be composed of two separate members, which two members are slidably integral one with respect to the other along the slide guide, a first member being rotatable independently from a second member about the axis of the slide guide.
  • the first member may be composed of an arm radially extending outwards with respect to the slide guide and to the free end thereof a bar for coupling the cylinder steering the main motor is connected.
  • Said bar for coupling the cylinder steering the main motor to the first radial arm may be lenghtwise adjustable within predetermined stops, such that the device can be adapted to different distances between the two motors.
  • Said coupling bar may have two end portions for coupling to the cylinder steering the main motor and the first radial arm respectively.
  • Said two end portions of the coupling bar may be coupled to the cylinder steering the main motor and to the first radial arm in such a way that at least one or both said two end portions are slidable, within predetermined stops, along axes parallel to the arm steering the main motor, the latter being in a not steering condition.
  • the end portion coupling the coupling bar to the end of the first radial arm may be coupled thereto by a coupling pin oriented according to a coupling axis perpendicular to the steering axis of the main motor and perpendicular to the axis of the slide guide and/or of the coupling bar.
  • Said end portion may be slidable for a predetermined range along said coupling axis, and it may be eventually rotatable about said coupling axis.
  • the end portion of the coupling bar may freely slidable engage on the pin coupling to the first radial arm.
  • Said pin may have, at the free end thereof, an enlargement for stopping the sliding.
  • Said enlargement may be composed of a pin head engaging by screwing with a threaded end inside a threaded bore of the first radial arm and between said threaded end and said head having an intermediate portion that is smooth and/or with a low coefficient of friction.
  • said intermediate portion may be housed in a bush made of a material having a low coefficient of friction, particularly made of teflon or the like.
  • the end portion coupling the coupling bar to the cylinder steering the main motor may be freely slidable engaged on a coupling pin with a low coefficient of friction and having enlargements at the two opposite ends thereof for stopping the sliding.
  • Said coupling pin may be supported at the ends of two branches of a forked connection plate, which plate is integral with the cylinder steering the main motor.
  • Sliding stops for the coupling end portion of the coupling bar may be composed of said two branches of the fork.
  • the second end of the coupling lever associated to the second radial arm of the steering slider may be advantageously adjustable with respect to the distance of said end and/or said lever from the slide guide, such to compensate transverse offsets between the slide guide and said coupling lever.
  • Said coupling lever may have an L-shaped end coupling to the second radial arm, while the end angled branch of said second end may have a thread cooperating with a threaded bush housed inside a corresponding bore provided at the free end of the second radial arm.
  • Said bore may be oriented perpendicularly to the axis of said second radial arm, while said threaded bush may be axially locked inside said bore but can freely rotate such to be screwed and unscrewed on said threaded angled end so to adjust the distance between the coupling lever and the slide guide.
  • the steering sliding slider may further comprise a tubular slide provided with an end annular flange, a first cylindrical portion having an axial length that substantially corresponds to the thickness of a complementary bore of the second radial arm the same engaging by rotation thereto on said first smooth portion of the slide, and a second threaded portion upon which by screwing the first radial arm is engaged with a threaded bore.
  • said first radial arm locks the second radial arm in the axial direction of the slide and so of the slide guide, while the second radial arm is free to rotate about the tubular slide. Due to this arrangement, it is possible to separately tilt the two motors.
  • the overall dimensions is reduced inside the marine vessel, above all when one or both motors are tilted, and the convergency angle of a tilted motor with respect to the other motor is reduced.
  • the device may be applied also to motors arranged at different heights one with respect to the other.
  • the device may be made also as a kit for simple connecting motors, one of them already provided with its own steering cylinder, and even for motors provided each with its own active steering cylinder, such to synchronize the operation. All that by means of very simple and inexpensive arrangements. Further features and improvements are object of subclaims.
  • - Fig.l is a perspective view of a general marine vessel provided with a pair of outboard motors in combination with a first embodiment of the steering device according to the present invention.
  • - Fig. 2 is a perspective view only of the steering device of fig. 1 with motors in the not steered and not tilted condition.
  • Fig. 3 is a perspective view only of the steering device of fig. 1 steered to the right, referring to the moving direction of the marine vessel, and not tilted condition of motors.
  • Fig. 4 is a perspective view only of the steering device of fig. 1 with motors in the not steered condition and with the main motor being tilted.
  • - Fig. 5 is a perspective view only of the steering device of fig. 1 with motors in the not steered condition and with the secondary motor being tilted.
  • Fig. 7 is a detail of fig. 2, regarding the sliding slider steering the secondary motor.
  • Fig. 8 is an exploded view of the sliding slider steering the secondary motor, the second radial arm being omitted.
  • Fig. 9 is an exploded view of the first radial arm of the slider steering the secondary motor.
  • FIG. 10 is a perspective view of a second embodiment of the steering device according to the present invention with motors in not steered and not tilted condition.
  • the boat 1 comprises a stem 101 and a stern 201.
  • a steering wheel 2 is provided connected to an hydraulic pump 3.
  • the pump 3 is hydraulically connected to the steering hydraulic device by means of two hydraulic hoses 4, 5.
  • the steering device comprises a cylinder 6 steering the the main motor 7 of the double-acting type sliding on a rod 10.
  • the hydraulic hose 4 is connected to an end of the steering cylinder 6 while the other hydraulic hose 5 is connected to the opposite end, so as to alternatively generate a pressure inside one of the two chambers of the cylinder 6.
  • a second outboard motor 8 (secondary motor) is mounted on the stern 201 near the main motor 7.
  • the main motor 7 has an tilt tube 9 that generally is coupled to the top of the sterndrive of the motor 7 and a spindle passing through the tilt tube 9 and allowing the main motor 7 to be tilted about the axis of the tilt tube 9 from the propelling position shown in fig. 1 to a position tilted inside the marine vessel 1.
  • a pair of supporting arms 11 are mounted at the opposite ends of the spindle passing through the tilt tube 9.
  • Each arm 11 is made substantially with a zed shape and has an opening intended to receive a spindle end.
  • Each arm 11 further has a second opening intended to receive an end of the rod 10 of the cylinder 6 steering the main motor 7.
  • the rod 10 is mounted inside the cylinder 6 so that it can slide to and fro along the rod 10.
  • the rod 10 is axially stationary with respect to the marine vessel 1 while the cylinder 6 moves trasversally with respect to the main axis of the marine vessel 1.
  • Supporting arms 11 allow a curved movement of the rod 10 and cylinder 6 about the axis of the tilt tube 9, keeping the axis of rod 10 and of cylinder 6 parallel to the axis of the tilt tube 9.
  • the steering cylinder 6 at one end is connected to a steering arm 13 by means of an articulated lever 12 that is fastened to the main motor 7. Articulated linkage formed of the lever 12 and the arm 13 allows to compensate the distance changes of the steering cylinder 6 from the pivotable end of the steering arm 13 during steering steps.
  • the device further comprises a slide guide 14 stationary associated to the secondary motor 8, as an axial extension in the main motor direction of the spindle about which the tube 15 tilting the secondary motor 8 rotates. It is further provided an axial slider 16 steering the secondary motor 8 slidable driven on the guide 14 by the cylinder 6 steering the main motor, and it is connected to the steering arm 17 for the secondary motor 8.
  • the steering slider 16 comprises a tubular slide 18 with an annular flange 118 provided at the end of the slide 18 faced towards the secondary motor 8.
  • the tubular slide 18 comprises a first cylindrical smooth portion 218 having an axial length substantially corresponding to the thickness of a complementary bore 119 of a radial arm 19 with which it engages by rotation on said first smooth portion 218 of the tubular slide 18, and which will be disclosed in more detail hereinafter.
  • the tubular slide 6 comprises a further threaded portion 318 ending at the end of the slide 6 faced towards the main motor 7 upon which a further radial arm 20 is engaged by screwing, which will be disclosed in more detail hereinafter, by means of a threaded bore 120.
  • the radial arm 20, to which reference has been made hereinbefore, is composed of a member radially extending outwards with respect to the tubular slide 18 and to the free end thereof a bar 24 for coupling to the cylinder 6 steering the main motor 7 is connected.
  • Said coupling bar 24 may be made such to be lenghtwise adjustable within predetermined stops, so that the steering device can be adapted to different situations, particularly to different distances between the two motors 7, 8. Alternatively, it is possible to replace it with one of different length.
  • Said coupling bar 24 has two end portions 124, 124' for coupling to the device 6 steering the main motor 7 and to the radial arm 20 respectively.
  • the end portion 124 has a bore oriented parallely to the arm 13 steering the main motor 7, in a not steering condition thereof, freely slidably engaging on a pin 25 with a low coefficient of friction supported at the two ends of two branches of a forked connection plate 26.
  • Said plate 26 is integral with an end of the cylinder 6 steering the main motor 7.
  • the other end portion 124' of the coupling bar 24 has also an bore oriented parallely to the arm 13 steering the main motor 7, in a not steering condition thereof, intended to receive a coupling pin 27 oriented according to a coupling axis perpendicular to the steering axis of the main motor 7 and perpendicular to the axis of the slide guide 14 and to the axis of the coulping bar 24.
  • Said pin 27 has an enlarged head 127, an intermediate smooth portion with a low coefficient of friction and a threaded end in order to screw it inside a bore 220 provided at the end of the radial arm 20.
  • the axial extension of the intermediate smooth portion is greater than the thickness of the end portion 124' , so that said end portion 124' may slide on the pin 27 within two opposite sliding stops on one side formed of the end of the radial arm 20 and on the other side formed of the enlarged head 127 of the pin 27.
  • a tubular bush 28 made of teflon or the like aiming at reducing the sliding friction of the end portion 124' .
  • the degrees of freeedom given in this manner to the coulping bar 24 allow to compensate the transverse offset of the axis of the cylinder 6 steering the main motor 7 with rispect to the axis of the slide guide 14 associated to the secondary motor 8.
  • the slide guide 14 has a length at least equal to the extension of the range made by the steering cylinder 6 between the two opposite stop positions.
  • the other radial arm 19 is in turn composed of a member radially extending outwards with respect to the tubular slide 18 and the slide guide 14 and to the free end thereof there is connected a lever 29 for coupling to the arm 17 steering the secondary motor 8.
  • Said coupling lever 29 has a first threaded end 129 that can be axially screwed/unscrewed inside a corresponding threaded bore of an end portion 30 fastening to the arm 17 steering the secondary motor 8, so that said coupling lever 29 may be lenghtwise adjustable so that the device can be adapted to particular geometries of individual situations.
  • said coupling lever 29 has a L-shape bent end coupling to the radial arm 19.
  • the angled end branch of said second end has a thread 229 cooperating with a threaded bush 31 housed inside a corresponding bore 219 provided at the free end of the radial arm 19.
  • Said bore 219 is oriented perpendicularly to the axis of the radial arm 19.
  • the threaded bush 31 is axially locked inside the bore 219 by means of an elastic ring 32 elastically snap engaging inside an annular groove 131 provided at the end of the threaded bush 31 projecting from the bore 219.
  • the threaded bush 31 has an enlarged head 231 having a not round shape and such to be driven by rotation, for example by means of a monkey spanner, so that it can be screwed and unscrewed on the thread 229 of the angled end of the coupling lever 29 in order to adjust the distance between the coupling lever 29 and the slide guide 14 and to compensate the heightwise offset between the arm 17 steering the secondary motor 8 and said slide guide 14.
  • the present invention may be advantageously applied also in combination with more than two motors.
  • a main motor provided with its own steering cylinder interposed between two secondary motors, each one may be driven by a system as the one above disclosed.
  • Each system may be connected to one of the two opposite ends of the cylinder steering the main motor.
  • FIG. 10 there is shown an alternative embodiment of the present invention, wherein mechanisms for controlling the steering of the secondary motor 8 are susbstantially a not active copy and having the same degress of movement freedom of the cylinder 6 steering the main motor 7, of the rod 10 upon which said cylinder 6 slides, of means 11 for fastening said rod 10 and means 12 connecting said cylinder 6 to the arm 13 steering the main motor 7.
  • the slide guide 14' is substantially a copy of the rod 10, and like it, it is hold by means of a pair of arms 11, an end of each one of them is connected to one of the opposite ends of the guide 14' .
  • Said arms 11 with their opposite ends are pivotable mounted about the axis of the tube 15 tilting the secondary motor 8.
  • the steering slider 16' On the guide 14' there is axially slidable mounted and rotatable about thereof the steering slider 16' that at least partially is a not active copy of the cylinder 6 stering the main motor 7.
  • the cylinder 6 steering the main motor 7 and the steering slider 16' for the secondary motor 8 are connected one with respect to the other by means of a driving lever 35 that can be of the lenghtwise adjustable type such that the system may be adapted to different situations, referring to the distance between the two motors 7, 8.
  • the driving lever 35 At each opposite end, the driving lever 35 has a ball joint 135, 135' for connecting the slider 16 and the cylinder respectively. Due to ball joints 135, 135' it is possible to independently tilt the two motors 7, 8.
  • the slider 16' is connected to the arm 17 steering the secondary motor 8 by means of an articulated lever 36 allowing to compensate the distance changes of the slider 16' from the pivotable end of the steering arm 17 during steering steps.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Steering Controls (AREA)

Abstract

L'invention concerne un dispositif hydraulique pour la commande synchronisée d'au moins deux moteurs marins hors-bord (7,8), ce dispositif comportant un cylindre hydraulique (6) commandant un moteur principal (7) 6 et glissant sur une tige (10) parallèle à l'axe d'un tube (9) permettant l'inclinaison du moteur (7). Le dispositif est relié à un bras (13) commandant le moteur (7) au moyen d'une articulation (12), il pivote autour d'au moins un axe et il est relié par articulation (24, 29, 35) à un bras (17) commandant un moteur secondaire (8). Selon l'invention, le dispositif comporte un élément de guidage coulissant (14, 14') stationnaire, associé au moteur secondaire (8), parallèle à l'axe du tube (15) permettant son inclinaison. Ledit dispositif comprend un coulisseau de commande axial (16, 16') glissant sur l'élément de guidage (14, 14') et une articulation (29,36) le reliant à l'extrémité pivotante du bras (17) commandant le moteur secondaire (8). Le dispositif de l'invention est entraîné au moyen d'au moins une barre (24,35) dont une extrémité est reliée par articulation au coulisseau de commande (16, 16') et l'autre extrémité est reliée au cylindre (6) commandant le moteur principal (7).
PCT/EP2005/052587 2004-06-29 2005-06-06 Commande de dispositif hydraulique pour moteurs marins WO2006003067A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05752614A EP1761429A1 (fr) 2004-06-29 2005-06-06 Commande de dispositif hydraulique pour moteurs marins
US11/571,297 US20080026655A1 (en) 2004-06-29 2005-06-06 Steering Hydraulic Deivce for Marine Motors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000029A ITSV20040029A1 (it) 2004-06-29 2004-06-29 Dispositivo idraulico di sterzatura per motori marini
ITSV2004A000029 2004-06-29

Publications (1)

Publication Number Publication Date
WO2006003067A1 true WO2006003067A1 (fr) 2006-01-12

Family

ID=34969946

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/052587 WO2006003067A1 (fr) 2004-06-29 2005-06-06 Commande de dispositif hydraulique pour moteurs marins

Country Status (4)

Country Link
US (1) US20080026655A1 (fr)
EP (1) EP1761429A1 (fr)
IT (1) ITSV20040029A1 (fr)
WO (1) WO2006003067A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010101655A (ja) * 2008-10-21 2010-05-06 Mitsutoyo Corp 測定器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012040521A1 (fr) * 2010-09-22 2012-03-29 Morvillo Robert A Système permettant de commander une embarcation dotée de deux propulseurs dirigeables
US10683074B2 (en) 2011-03-25 2020-06-16 Marine Canada Acquisition Inc. Steering assembly for a marine vessel with vertically offset propulsion units
US8430702B2 (en) * 2011-03-25 2013-04-30 Noam Davidson Steering assembly for a marine vessel with vertically offset propulsion
US10435817B2 (en) * 2014-05-07 2019-10-08 President And Fellows Of Harvard College Controlled growth of nanoscale wires
WO2016040702A1 (fr) 2014-09-10 2016-03-17 Morvillo Robert A Système de commande d'engin marin doté de mécanismes d'entraînement orientables

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6406340B1 (en) * 1998-01-23 2002-06-18 Teleflex (Canada) Limited Twin outboard motor hydraulic steering system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7128626B2 (en) * 2005-01-12 2006-10-31 Teleflex Canada Incorporated Marine steering assembly with connecting member

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6406340B1 (en) * 1998-01-23 2002-06-18 Teleflex (Canada) Limited Twin outboard motor hydraulic steering system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010101655A (ja) * 2008-10-21 2010-05-06 Mitsutoyo Corp 測定器

Also Published As

Publication number Publication date
ITSV20040029A1 (it) 2004-09-29
US20080026655A1 (en) 2008-01-31
EP1761429A1 (fr) 2007-03-14

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