EP2493756A1 - Water craft - Google Patents
Water craftInfo
- Publication number
- EP2493756A1 EP2493756A1 EP10771032A EP10771032A EP2493756A1 EP 2493756 A1 EP2493756 A1 EP 2493756A1 EP 10771032 A EP10771032 A EP 10771032A EP 10771032 A EP10771032 A EP 10771032A EP 2493756 A1 EP2493756 A1 EP 2493756A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic
- steering
- pump
- unit
- drive
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 5
- 238000009966 trimming Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 description 6
- 241000380131 Ammophila arenaria Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
-
- 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
- B63H25/02—Initiating means for steering, for slowing down, otherwise than by use of propulsive elements, or for dynamic anchoring
-
- 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
- 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
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
Definitions
- the present invention relates to a watercraft with at least one hull and at least one drive motor, which has a drive train with a drive head comprising a drive means in one
- the drive head is mounted laterally pivotable relative to the hull relative to a steering axis and for lateral adjustment of the drive head relative to the hull at least one hydraulic steering cylinder is provided which can be acted upon by a hydraulic steering system comprising a hydraulic pump.
- Hydraulic steering systems are widely used.
- a watercraft of the type specified with a hydraulic steering system is known for example from US 5549493 A.
- a combined hydraulic steering and trim system is provided. This includes two hydraulic pumps connected in parallel to one another, which for lack of other indications can be assumed to be driven in a conventional manner by the propulsion engine of the watercraft, two hydraulic steering cylinders, two hydraulic trim cylinders and various control valves connecting the four hydraulic cylinders with the two hydraulic pumps having a line network.
- the paired double design of the hydraulic pump, steering cylinder and trim cylinder results in multiple redundancy within the hydraulic steering and trim system so that the vessel remains maneuverable even in the event of failure of a hydraulic pump, steering cylinder and / or trimming cylinder.
- Hydraulic steering systems such as those according to US 5549493 A are distinguished from mechanical steering systems (in particular cable steering) by a higher flexibility with regard to the basic design of the respective watercraft.
- motor boats and motor yachts can be equipped with several control stations without significant effort and without complications.
- purely hydraulic steering systems in which the steering wheel in each case with a hydraulic pump (so-called helm pump) is widely used, wherein the pumped by the helm pump hydraulic fluid - passed through corresponding hydraulic lines to the hydraulic steering cylinder - directly applied to the steering cylinder and this adjusted with appropriate rotation of the steering wheel.
- More recently steer-by-wire steering concepts have been used, especially in the upper price segment of motor yachts, in which control signals are generated in an electronic steering wheel.
- the control signals are further processed in downstream electronic and mechanical, electrical and / or hydraulic components of the steering system in the sense of an adjustment of the drive head. While in steer-by-wire steering concepts basically also purely electric steering systems come into consideration, the vast majority of steer-by-wire steering concept having motor boats and yachts equipped with electro-hydraulic steering systems, in which the adjustment of the drive head by means of a hydraulic steering cylinder is accomplished, which is acted upon by a hydraulic steering system, which in turn has a motor-driven hydraulic pump and adjustable
- Control valves includes.
- said hydraulic pump is directly connected to the engine by means of corresponding belts
- Watercraft driven s.o.
- the hydraulic pump of the hydraulic steering system is operated by a separate, designed in particular as an electric motor drive motor, so that said hydraulic pump is part of an independent hydraulic unit.
- the present invention has set itself the task of increasing the safety of watercraft of the generic type, in particular if they are equipped with a steer-by-wire steering concept, or, with other- In other words, to reduce the risk of an accident due to a failure of the steering system and / or to minimize the consequences of such a failure.
- a hydraulic system which comprises a separate hydraulic unit and serves the purpose of loading a hydraulic consumer not serving to steer the vessel, in the sense of acting on the steering cylinder can be coupled with the hydraulic steering system.
- an independent hydraulic system which normally has nothing to do with the steering in normal operation, can be actively hydraulically coupled to the hydraulic steering system by providing prepared connections which are blocked during normal operation of the watercraft. be opened with the result that the hydraulic steering cylinder in emergency mode - in case of failure of essential components of the hydraulic steering system - can be acted upon by the provided by the separate hydraulic unit hydraulic energy.
- the present invention deliberately and consciously turns away from the repeatedly proposed approach, a single hydraulic unit both for acting on the at least one steering cylinder and at least one further hydraulic consumer
- a first preferred development of the watercraft according to the invention is characterized in that the (separate) hydraulic system with the hydraulic steering system can be coupled via emergency valves, said by means of said emergency valves the already explained above, closed in normal operation connections between the two hydraulic systems.
- the emergency valves may in particular be manually, mechanically or else, for example, designed as solenoid valves, be electrically actuated. Particular preference is given to the control panel of or a helm as such
- the Consumer can be decoupled by the emergency valves of the (separate) hydraulic system when the associated hydraulic unit is coupled by actuation of the emergency valves with the hydraulic steering system.
- the relevant separate hydraulic unit is in this case in emergency only for the emergency steering available; a collision with the function that fulfills it in normal operation is thus excluded.
- the hydraulic system has switching valves, in particular manually operated switching valves, for influencing the admission of the associated hydraulic consumer. These can be switched in an emergency so that actuation of the hydraulic load is omitted by the separate hydraulic unit, whereby the latter is completely and exclusively for emergency operation of the steering cylinder available.
- the hydraulic pump of the hydraulic steering system is part of a steering hydraulic unit, ie an independent, solely the drive of the hydraulic pump of the hydraulic steering system serving drive motor comprehensive hydraulic unit, wherein the drive motor is designed in particular in the form of an electric motor.
- the steering hydraulic unit and the (separate) hydraulic unit which is approachable for emergency steering, form a (single) assembly.
- the hydraulic pump of the hydraulic steering system and the hydraulic pump of the hydraulic system comprising the separate hydraulic unit can be accommodated in or on a common pump block and / or the said assembly can comprise a common connection block.
- the hydraulic steering system comprises electrically actuated control valves, which act on the donors connected to a steering device, with the at least one control valve are connected via control lines, wherein the steering device may be designed in particular as an electronic steering wheel.
- the hydraulic steering system may be equipped with a hydraulic unit whose electric motor is reversible and controlled by a control unit acted upon by an electronic steering wheel.
- at least one of the electronic steering wheels of the vessel in question can form a combined electronic / hydraulic steering wheel with an additional conventional helm pump, which can be coupled to the hydraulic steering system is.
- there would be a multi-stage emergency steering system in the sense that in the event of failure of the steer-by-wire steering system, the conventional hydraulic steering system could be put into operation, and if this too failed, the emergency steering system according to the invention could be activated as the second stage.
- the drive head may comprise at least one screw rotatably mounted about an axis of rotation and / or the drive motor may be designed as an internal combustion engine, wherein in particular the design of the engine as an outboard engine as well as an inboard engine with downstream Z drive comes into consideration.
- FIG. 2 shows a hydraulic circuit diagram for that in FIG. 1
- FIG. 3 shows a side view of an assembly used in the sports motorboat according to FIG. 1, comprising two hydraulic pumps;
- Fig. 4 shows the assembly of FIG. 3 in plan view of the
- Fig. 5 is a hydraulic circuit diagram of a second embodiment of a watercraft according to the present invention.
- the watercraft with a Z drive shown in FIG. 1 comprises a hull 1 and a drive motor 2.
- the latter acts via a drive train 3 on a drive head 4, which comprises a propulsion means 5 in the form of a screw 6.
- the drive head 4 is mounted relative to the hull 1 with respect to a steering axis 7 sideways pivotally.
- a hydraulic steering cylinder 8 is provided, which acts on the drive head 4 via a steering linkage 9.
- the drive head 4 is further adjustable about a horizontal, transverse to the longitudinal axis X of the boat pivot axis 11 (transverse axis). Since the sports motorboat shown to this extent the well-known prior art
- a steering wheel 13 forming the steering device and a control panel 14 are arranged as operating elements. Both the steering wheel 13 and the control panel 14 are connected via control lines 15 to the control unit 16 in connection.
- the input signals generated by the (electronic) steering wheel 13 and the control panel 14 are converted into output signals via
- the hydraulic group 18 comprises a hydraulic steering system 19 serving to act on the hydraulic steering cylinder 8, which in turn comprises a hydraulic pump 20 driven by a (reversible) electric motor 21 and thus part of a steering hydraulic unit 22.
- the hydraulic steering system also includes (see Fig. 2), as such be kant, in particular a shuttle valve 23, two unlockable check valves 24 and two Pressure limiting valves 25.
- kant in particular a shuttle valve 23, two unlockable check valves 24 and two Pressure limiting valves 25.
- the hydraulic steering system 19 with the two working spaces 26 and 27 of the hydraulic steering cylinder 8 is connected.
- the powered by the battery 28 of the on-board electric motor 21 of the steering hydraulic unit 22 is controlled in normal operation of the motor sports boat by turning the steering wheel 13.
- the trimming cylinder 10 represents a hydraulic consumer 29 which does not serve the steering of the motor sports boat. This is acted upon by a further hydraulic system 30, which is different from the hydraulic steering system 19 and comprises a separate hydraulic unit 31.
- the separate hydraulic unit 31 in turn comprises a hydraulic pump 32, which is driven by a (reversible) electric motor 33.
- a change-over valve 34, two unlockable non-return valves 35 and two pressure-limiting valves 36 belong to the hydraulic system 30 intended to act on the hydraulic consumer 29. Via the ports H and S, this is
- Hydraulic system 30 connected to the two working spaces 37 and 38 of the hydraulic trimming cylinder 10.
- the further hydraulic system 30 in the sense of acting on the hydraulic steering cylinder 8 with the hydraulic steering system 19 can be coupled.
- a first emergency valve 41 and the port S of the hydraulic system 30, a second emergency valve 42 is assigned to the terminal H of the hydraulic system 30.
- Each of the two emergency valves 41 and 42 is thus designed as a 3/2 way valve that in
- two emergency steering buttons are provided on the control panel 14, namely a first Notlenkknopf 44 and a second Notlenkknopf 45.
- the operation of each of the two Notlenkknexcellent 44 and 45 switches both emergency valves 41 and 42 in the Notlenkgna, in the hydraulic system 30 is coupled to the hydraulic steering system 19 in the sense described above.
- the first emergency steering button 44 is actuated, the separate hydraulic unit 31 is activated so that hydraulic oil is pumped into the line NL coupled to the port L of the hydraulic steering system 19.
- the second emergency steering button 45 Upon actuation of the second emergency steering button 45, however, the separate hydraulic unit 31 is transferred with swept flow direction, so that hydraulic oil is pumped into the coupled to the port R of the hydraulic steering system 19 line NR. Since the two check valves 24 of the hydraulic steering system 19 are locked, is an actuation of the hydraulic
- the steering hydraulic unit 22 and the separate hydraulic unit 31 form an assembly 46 (see Figures 3 and 4).
- the pump block 47 of the hydraulic pump 20 of the hydraulic steering system 19 and the pump block 48 of the hydraulic pump 32 are further provided.
- Hydraulic system 30 disposed on a common terminal block 49, wherein the two pumps could alternatively be housed in a single, common to the terminal block 49 flanged pump block.
- the steering hydraulic unit 22 and the separate hydraulic unit 31 are supplied from a common hydraulic tank 50.
- FIG. 2 the optional arrangement of a second control station 51 with a further steering wheel 52 is indicated in FIG. 2.
- This is designed as a combined electronic / hydraulic steering wheel with an additional conventional helical pump 53, which with the
- hydraulic steering system 19 can be coupled.
- each of the hydraulic systems can be designed in other known as such type.
- the actuation of the hydraulic steering cylinder 8 and the hydraulic consumer 29 may be controlled by electrically operated adjustable control valves which are connected via control lines to the respectively assigned transmitter, i. in particular the steering wheel and the control panel are connected.
- the hydraulic system according to FIG. 5 differs from that according to FIG. 2 essentially only by one different type of hydraulic steering system 19 '. 5, no reversible steering hydraulic power unit is used, but rather a non-reversible steering hydraulic unit 22 'comprising a hydraulic pump 20 driven by an electric motor 21. Accordingly, an electrically actuable control valve 54 is provided as a 4/3 way valve The control valve 54 is connected to the control unit 16 in the sense of a steer-by-wire steering concept via control lines 57. It can be actuated by the control unit 16, ie energization of one of the associated electromagnets (shown in FIG.
- the hydraulic steering system 19 'furthermore comprises, as is known per se, a filter 55 arranged on the inflow side to the hydraulic pump 20', a pressure regulating valve 56 and a check valve 58.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Power Steering Mechanism (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009051410A DE102009051410A1 (en) | 2009-10-30 | 2009-10-30 | water craft |
PCT/EP2010/006521 WO2011050937A1 (en) | 2009-10-30 | 2010-10-26 | Water craft |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2493756A1 true EP2493756A1 (en) | 2012-09-05 |
EP2493756B1 EP2493756B1 (en) | 2013-07-31 |
Family
ID=43806885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10771032.9A Active EP2493756B1 (en) | 2009-10-30 | 2010-10-26 | Water craft |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120214369A1 (en) |
EP (1) | EP2493756B1 (en) |
DE (1) | DE102009051410A1 (en) |
WO (1) | WO2011050937A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3515812B1 (en) * | 2016-09-22 | 2021-12-15 | CMP Group Ltd. | Hydraulic helm pump with integrated electric pump |
DE102021204032B4 (en) | 2021-04-22 | 2024-05-08 | Hawe Hydraulik Se | Hydraulic control unit for a boat drive and boat drive with such a control unit |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3146755A (en) * | 1960-04-22 | 1964-09-01 | Earl P Morse | Marine outboard transmission and drive unit for inboard power plants |
US3654889A (en) * | 1970-09-28 | 1972-04-11 | Volvo Penta Ab | Hydraulic system for a boat drive |
US3916767A (en) * | 1973-06-14 | 1975-11-04 | Case Co J I | Hydraulic control circuit for vehicles |
US3915111A (en) * | 1974-10-04 | 1975-10-28 | Curt Buddrus | Hydraulic marine propulsion and guidance system |
JPS6036997B2 (en) * | 1979-06-16 | 1985-08-23 | 三菱重工業株式会社 | Marine steering system equipped with emergency steering means |
JPH0631078B2 (en) * | 1985-05-17 | 1994-04-27 | 三信工業株式会社 | Steering device for ship propulsion |
US4698035A (en) * | 1985-07-03 | 1987-10-06 | Outboard Marine Corporation | Marine propulsion device hydraulic system |
FR2627737B1 (en) * | 1987-11-09 | 1992-01-17 | Rexroth Mannesmann Gmbh | HYDROSTATIC POWER STEERING FOR VEHICLES |
JP2518879B2 (en) * | 1987-12-24 | 1996-07-31 | 日産自動車株式会社 | Outboard motor support device |
US4836810A (en) | 1988-04-04 | 1989-06-06 | Brunswick Corporation | Combined power trim and steering system |
DE4001096A1 (en) * | 1990-01-17 | 1991-07-18 | Ulf Ulken | Hydraulic motor for steering ship - is supplied with hydraulic fluid from pump and hydraulic accumulator to turn rudder |
US5146745A (en) * | 1990-09-17 | 1992-09-15 | Jastram Engineering, Ltd. | Steering signal conversion manifold |
FR2705943B1 (en) * | 1993-06-04 | 1995-08-25 | Bezzi Paul Georges | Propeller and rudder device of the surface propeller type. |
JP4056029B2 (en) * | 1999-02-18 | 2008-03-05 | 創輝H・S株式会社 | Power tilt device for ship propulsion equipment |
US6416370B1 (en) | 2000-12-06 | 2002-07-09 | Bombardier Motor Corporation Of America | Watercraft hydraulic apparatus |
JP4750305B2 (en) * | 2001-04-09 | 2011-08-17 | ヤマハモーターハイドロリックシステム株式会社 | Outboard motor tilt device |
CA2353053C (en) * | 2001-07-13 | 2004-07-06 | Jastram Engineering Ltd. | Marine steering system having dual hydraulic and electronic output |
JP3904480B2 (en) | 2002-05-31 | 2007-04-11 | 本田技研工業株式会社 | Outboard motor steering system |
ITSV20040023A1 (en) * | 2004-05-17 | 2004-08-17 | Ultraflex Spa | SYSTEM AND METHOD FOR DIRECTIONAL CONTROL OF VESSELS, SUCH AS BOATS OR SIMILAR |
US7497183B2 (en) * | 2004-06-15 | 2009-03-03 | Teleflex Canada Inc. | Power assist steering apparatus and method responsive to volume flow of fluid |
US7413490B2 (en) * | 2004-06-16 | 2008-08-19 | Honda Motor Co., Ltd. | Outboard motor steering system |
EP1923307B1 (en) * | 2006-11-17 | 2013-02-20 | Yamaha Hatsudoki Kabushiki Kaisha | Steering system for a watercraft |
-
2009
- 2009-10-30 DE DE102009051410A patent/DE102009051410A1/en not_active Withdrawn
-
2010
- 2010-10-26 WO PCT/EP2010/006521 patent/WO2011050937A1/en active Application Filing
- 2010-10-26 EP EP10771032.9A patent/EP2493756B1/en active Active
-
2012
- 2012-04-26 US US13/457,351 patent/US20120214369A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2011050937A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102009051410A1 (en) | 2011-05-05 |
US20120214369A1 (en) | 2012-08-23 |
WO2011050937A1 (en) | 2011-05-05 |
EP2493756B1 (en) | 2013-07-31 |
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