CN105202008A - Drive shafts - Google Patents
Drive shafts Download PDFInfo
- Publication number
- CN105202008A CN105202008A CN201510354288.7A CN201510354288A CN105202008A CN 105202008 A CN105202008 A CN 105202008A CN 201510354288 A CN201510354288 A CN 201510354288A CN 105202008 A CN105202008 A CN 105202008A
- Authority
- CN
- China
- Prior art keywords
- outer shaft
- axle
- interior axle
- live axle
- shaft
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
- B63H2023/342—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts comprising couplings, e.g. resilient couplings; Couplings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
- B63H2023/346—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts comprising hollow shaft members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/30—Transmitting power from propulsion power plant to propulsive elements characterised by use of clutches
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19014—Plural prime movers selectively coupled to common output
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
An improved drive shaft (2) is described. The drive shaft (2) includes an inner shaft (4) having a first end (4a) that is adapted to be connectable to a first connecting shaft (14) that is rotated by torque applied by an external electrical machine, and a second end (4b) that is adapted to be connectable to a second connecting shaft (22). A hollow outer shaft (6), coaxial with the inner shaft (4), defines at least part of a rotor assembly (40) of an associated electrical machine (38). The outer shaft (6) is adapted to be releasably connected to the inner shaft (4) so that the drive shaft (2) is selectively configurable in a first arrangement for normal operating conditions where the outer shaft (6) is connected to the inner shaft (4) for rotation therewith, and a second arrangement where the outer shaft (6) is not connected to the inner shaft (4).
Description
Technical field
The present invention relates to live axle, and relate more specifically to for wherein two motors (such as, motor) for driving the live axle of the application of single live axle.
Live axle can use in boats and ships or ship propulsion assembly.
Background technique
It is not rare for arranging that two motors (such as, motor) apply moment of torsion to single live axle.Motor is generally arranged with duplex configuration or arranged in series.Fault in one in motor generally will mean that live axle can not use, until remove described fault.
Summary of the invention
The object of this invention is to provide the live axle with two drive motor, wherein motor (being generally from the nearest motor of load) can easily disconnect when breaking down, and live axle can be resumed operation and driven by remaining motor.
Particularly, the invention provides live axle, described live axle comprises:
A. interior axle, described interior axle has:
B. be adapted to the first end that can be connected to the first coupling shaft, the moment of torsion that described first coupling shaft is applied by external motor (such as, motor) rotates;
C. the second end that can be connected to the second coupling shaft is adapted to; And
D. coaxial with interior axle hollow outer shaft, described outer axis limit associated electrical machine (such as, motor for a part for driven unit) rotor assembly at least partially or may be operably coupled to described rotor assembly, and be adapted to and be connected to interior axle releasedly, make live axle optionally be configured to the first layout and second be in for normal operating conditions to arrange, first arrange in outer shaft be connected to interior axle for its rotate, second arrange in outer shaft be not attached to interior axle.
Will readily appreciate that, the first coupling shaft and the second coupling shaft do not form a part for live axle itself, but the end of live axle is in use connected to the first coupling shaft and the second coupling shaft.Second coupling shaft directly or indirectly can be connected to any suitable load, such as advancing means, when Ship Propeling assembly as propeller cavitation, impeller, water jetting apparatus etc.Similarly, the relevant parts of external motor and associated electrical machine does not form (such as, the active part of stator module, rotor assembly grades) part for live axle itself, but in use can apply moment of torsion to live axle.Motor can have any suitable structure, and can duplex configuration or arranged in series arrange.The outer shaft of live axle can carry the active part of the rotor assembly of associated electrical machine, or directly or indirectly can be connected to rotor assembly.Briefly, external motor is carried out inside axle apply moment of torsion by being operated to pass through the first coupling shaft that it can directly or indirectly be connected to.Associated electrical machine will be operated to apply moment of torsion to outer shaft.
Interior axle can by specified one-tenth export with associated electrical machine moment of torsion higher compared with the moment of torsion sent.
The first end of interior axle can comprise adpting flange, and described adpting flange can be connected to the corresponding adpting flange of the first coupling shaft.Similarly, the second end of interior axle can comprise adpting flange, and described adpting flange can be connected to the corresponding adpting flange of the second coupling shaft.First coupling shaft and the second coupling shaft are therefore in use connected to the first end of interior axle and the second end rotates for it.The adpting flange at interior axle the second end place can be connected to interior axle releasedly.This allows adpting flange to be engaged to axle after interior axle is positioned at outer shaft rightly.Corresponding adpting flange can use mechanical fixed part such as bolt, pin, fixture etc. to link together.
Interior axle can comprise the first spacer flanger, described first spacer flanger uses such as mechanical fixed part such as bolt, pin, fixture etc. to be connected to the flange being arranged on outer shaft first end place releasedly, and mechanical fixed part can be removed to make interior axle and outer shaft disconnect at first end place and be configured to by live axle be in the second layout.In one arrangement, mechanical fixed part is hydraulic buckling bolt.Live axle can comprise the pad between the first spacer flanger and the first end flange of outer shaft further.Any suitable pad can be used.In one arrangement, pad can be the segmented annular pad being divided into two or more sections, and each section receives at least one mechanical fixed part as bolt.When interior axle remains on appropriate location, this type of pad can be removed in radial directions.
For providing other protection for high-G, interior axle can be connected at the two ends place of outer shaft releasedly with outer shaft.Particularly, interior axle can comprise the second spacer flanger further, described second spacer flanger uses such as mechanical fixed part such as bolt, pin, fixture etc. to be connected to the flange being arranged on outer shaft the second end place releasedly, and mechanical fixed part can be removed to make interior axle and outer shaft disconnect at the second end place and be configured to by live axle be in the second layout.Live axle can comprise the pad between the second spacer flanger and the second end flange of outer shaft further.Similarly, any suitable pad can be used, such as segmented annular pad.When interior axle and outer shaft disconnect, removable each pad between spacer flanger and contiguous outer shaft end flange, to allow to form obvious gap between respective flange.
Briefly, will readily appreciate that, any suitable device can be used to connect interior axle and outer shaft releasedly, be optionally configured to be in the first layout or second to allow live axle and arrange.Such device can be arranged on the one or both ends place of outer shaft.Described device can be the connector of any suitable type (such as, flange, viscosity, magnetic, elasticity etc.), or the clutch pack of any suitable type (such as, claw type, friction, magnetic etc.).Will readily appreciate that, such device does not necessarily use the companion flange on interior axle and outer shaft.Can otherwise in adaptive physically or structure axle and outer shaft to promote their releasable connection.
During normal operating conditions, the moment of torsion from external motor transmits between the first coupling shaft and the second coupling shaft by interior axle.Moment of torsion from associated electrical machine also transmits between outer shaft and interior axle by spacer flanger.When the fault condition stoping outer shaft to rotate, interior axle and outer shaft can be made to disconnect (such as, by removing bolt, pin, fixture or other mechanical fixed part, or by operated clutch assembly), moment of torsion is still transmitted between the first coupling shaft and the second coupling shaft by interior axle.Even if this means to exist and require the fault that outer shaft keeps static, live axle still can use.
The adpting flange of interior axle and spacer flanger are preferably located in the axially outside of outer shaft.
Outer shaft can comprise one or more collars further to prevent live axle transverse shifting.This type of collars is not intended to bear thrust load usually.
The present invention further provides driven unit, described driven unit comprises:
A. the live axle as described in this specification; And
B. have the associated electrical machine of rotor assembly, described rotor assembly is at least in part by outer axis limit or may be operably coupled to outer shaft.
Driven unit can comprise the one or more bearings for supporting driving shaft further.
Driven unit can comprise the locking device for optionally preventing outer shaft from rotating when live axle is in the second layout further.
Live axle (or driven unit) can be a part for Ship Propeling assembly, and wherein the second coupling shaft can be used for driving advancing means, such as propeller cavitation, impeller, water jetting apparatus etc.Ship Propeling assembly also can comprise the parts as one or more pillow block (plummerblocks), thrust bearing (thrustblock) etc.
The present invention further provides the method for operation live axle, described live axle comprises:
A. interior axle, described interior axle has:
B. be adapted to the first end that can be connected to the first coupling shaft, the moment of torsion that described first coupling shaft is applied by external motor rotates;
C. the second end that can be connected to the second coupling shaft is adapted to; And
D. coaxial with interior axle hollow outer shaft, the rotor assembly of described outer axis limit associated electrical machine at least partially or may be operably coupled to described rotor assembly, and be adapted to and be connected to interior axle releasedly;
E. said method comprising the steps of:
F. during normal operating conditions, outer shaft is connected to interior axle; And
G. in response to fault condition, outer shaft and interior axle are disconnected.
Use mechanical fixed part such as bolt, pin, fixture etc. to be connected to the first spacer flanger of the flange being arranged on outer shaft first end place releasedly if interior axle comprises, so described method can comprise and removes in response to fault condition the step that mechanical fixed part disconnects to make outer shaft and interior axle.If live axle comprises clutch pack, so described method can comprise the step disconnected to make outer shaft and interior axle in response to fault condition operated clutch assembly.
Described method can be included in the step preventing outer shaft from rotating when outer shaft and interior axle disconnect further.
Accompanying drawing explanation
Fig. 1 illustrates the driven unit merged according to the first live axle of the present invention;
Fig. 2 illustrates the driven unit merged according to the second live axle of the present invention;
Fig. 3 merges the schematic diagram according to the Ship Propeling assembly of live axle of the present invention; And
Fig. 4 is the schematic diagram of the Ship Propeling assembly of Fig. 3, and wherein associated electrical motivation is out of service.
Embodiment
With reference to figure 1, the driven unit 1 for Ship Propeling assembly comprises according to the first live axle 2 of the present invention.Will readily appreciate that, driven unit 1 is not limited to marine vessel applications and can be used for other objects.
Live axle 2 comprises interior axle 4 and hollow outer shaft 6, and described hollow outer shaft 6 is relative to interior axle coaxial positioning and spaced apart axial clearance 8.
Interior axle 4 has first end 4a and the second end 4b.First end 4a comprises adpting flange 10, and described adpting flange 10 is connected to the adpting flange 12 of the first coupling shaft 14 by a series of circumferentially spaced bolt 16.The second end 4b comprises adpting flange 18, and described adpting flange 18 is connected to the adpting flange 20 of the second coupling shaft 22 by a series of circumferentially spaced bolt 24.Adpting flange 18 can be engaged to the second end 4b after interior axle 4 has been inserted through outer shaft 6.
Outer shaft 6 comprises first end 6a and the second end 6b.
Interior axle 4 comprises spacer flanger 26, and described spacer flanger 26 is connected to the end flange 28 at the first end 6a place of outer shaft 6 releasedly by a series of circumferentially spaced bolts 30 such as hydraulic buckling bolt.Although not shown, will readily appreciate that, interior axle 4 and outer shaft 6 are by the mechanical fixed part of other types or linked together releasedly by clutch pack.
Segmented annular pad 32 is between spacer flanger 26 and end flange 28.As described above, pad 32 is divided into two or more sections, and each section to receive in bolt 32 one or more, to make in bolt 32 one or more remains on appropriate location between flange 26,28.
Outer shaft 6 comprises the collars 34 of a pair axially spaced-apart preventing transverse shifting.The bearing 36 of the contiguous supporting driving shaft 2 of each collars 34 is located.
Associated electrical motivation 38 (or " rear motor ") comprises the rotor assembly 40 be arranged on outer shaft 6.
In the normal operation period, spacer flanger 26 is connected by bolt 30 with end flange 28.
Moment of torsion is provided to the first coupling shaft 14 by exterior motor (not shown) and transfers to the second coupling shaft 22 by interior axle 4.The moment of torsion that associated electrical motivation 38 provides transfers to the second coupling shaft 22 by outer shaft 6 and interior axle 4 by spacer flanger 26 and end flange 28.
When occur outer shaft 6 not revolvable fault, manually can remove bolt 30 and disconnect to make spacer flanger 26 and end flange 28, and therefore make static interior axle 4 and outer shaft 6 disconnect.Also remove segmented annular pad 32 to provide obvious gap between spacer flanger 26 and end flange 28.Outer shaft 6 can optionally be locked by locking device (not shown) with anti-rotational.
Interior axle 4 still can by torque transfer to the second coupling shaft 22 from exterior motor (not shown).During fault condition, interior axle 4 does not apply moment of torsion to outer shaft 6.
When removing fault condition, interior axle can be kept static, again segmented annular pad 32 being positioned between spacer flanger 26 and end flange 28 simultaneously, and manually again bolt 30 being inserted again to connect spacer flanger 26 and end flange 28.
Fig. 2 illustrates the driven unit 1 ' comprised according to the second live axle 2 ' of the present invention.Second live axle 2 ' is similar to the first live axle shown in Fig. 1, and gives like by same reference numbers.
When associated electrical motivation 38 stands high-G, the second live axle 2 ' provides other protection.Interior axle 4 ' comprises the first spacer flanger 26a, and described first spacer flanger 26a is connected to the end flange 28a at the first end 6a place of outer shaft 6 ' releasedly by a series of circumferentially spaced bolt 30a.Interior axle 4 ' also comprises the second spacer flanger 26b, and described second spacer flanger 26b is connected to the end flange 28b at the second end 6b place of outer shaft 6 ' releasedly by a series of circumferentially spaced bolt 30b.Second spacer flanger 26b can be inserted through outer shaft 6 ' at interior axle 4 ' and be engaged to interior axle 4 ' afterwards.Segmented annular pad 32a is between spacer flanger 26a and end flange 28a.Similarly, segmented annular pad 32b is between spacer flanger 26b and end flange 28b.Shown in figure 2 in configuration, namely in the normal operation period, the second live axle 2 ' can bear high-G.
When occur outer shaft 6 ' not revolvable fault, removable bolt 30a disconnects to make spacer flanger 26a and end flange 28a, and removable bolt 30b disconnects to make spacer flanger 26b and end flange 28b.Also remove segmented annular pad 32a, 32b to provide obvious gap between corresponding spacer flanger and end flange.
When removing fault condition, interior axle can be kept static, simultaneously again segmented annular pad 32a, 32b being positioned at corresponding spacer flanger 26a, 26b and between end flange 28a, 28b.Manually bolt 30a is inserted again to connect spacer flanger 26a and end flange 28a subsequently, and manually bolt 30b is inserted again to connect spacer flanger 26b and end flange 28b.
With reference to figure 3 and 4, Ship Propeling assembly 100 comprises the driven unit 1 as above reference drawing 1 describes.
First coupling shaft 14 passes the bulkhead Sealing 102 in watertight bulkhead 104 and is connected to motor 106 (or " front motor ").
Second coupling shaft 22 is connected to propeller cavitation 108 by the first pillow block 110, thrust bearing 112 and the second pillow block 114.Stern seal 116 is arranged in the hull 118 of boats and ships.
Driven unit during Fig. 3 illustrates normal operating conditions.
Fig. 4 illustrates the driven unit during the fault condition that motor 38 is out of service.Particularly, bolt 30 and segmented annular pad 32 are removed, and outer shaft 6 and interior axle 4 are disconnected.
Torque transfer to the second coupling shaft 22 from motor 106 still can rotate to make propeller cavitation 108 by interior axle 4.
The axle supporting the rotor assembly of motor 106 is connected to the first coupling shaft 14.First coupling shaft 14 can be formed as two jack shaft sections 14a, 14b, and two jack shaft sections 14a, 14b can be similar to mode discussed above and disconnect each other.If there is the fault condition that motor 106 is out of service, motor 106 and driven unit 1 so can be made to disconnect.Particularly, back shaft and the first axle section 14a (also optionally can remove the first axle section 14a completely) can be made to disconnect, and the first end 4a of the second axle section 14b and interior axle can be made to disconnect.Second axle section 14b passes bulkhead Sealing 102 and can be supported on interim bracket.
Motor 38 still can operate, and moment of torsion transfers to the second coupling shaft 22 by outer shaft 6 and interior axle 4 rotates to make propeller cavitation 108.
Claims (15)
1. a live axle, described live axle comprises:
Interior axle, described interior axle has:
Be adapted to the first end that can be connected to the first coupling shaft, the moment of torsion that described first coupling shaft is applied by external motor rotates;
Be adapted to the second end that can be connected to the second coupling shaft; And
The hollow outer shaft coaxial with described interior axle, the rotor assembly of described outer axis limit associated electrical machine at least partially or may be operably coupled to described rotor assembly, and be adapted to and be connected to described interior axle releasedly, make described live axle optionally be configured to the first layout and second be in for normal operating conditions to arrange, outer shaft described in arranging described first is connected to described interior axle and rotates for it, and described in arranging described second, outer shaft is not attached to described interior axle.
2. live axle according to claim 1, (comprise the first spacer flanger, described first spacer flanger is connected to the flange at the first end place being arranged on described outer shaft to wherein said interior axle releasedly.
3. live axle according to claim 2, described live axle comprises the pad between described first spacer flanger and the described first end flange of described outer shaft further.
4. the live axle according to above any one claim, wherein said interior axle comprises the second spacer flanger, and described second spacer flanger is connected to the flange at the second end place being arranged on described outer shaft releasedly.
5. live axle according to claim 4, described live axle comprises the pad between described second spacer flanger and the described the second end flange of described outer shaft further.
6. the live axle according to above any one claim, wherein said interior axle and described outer shaft use mechanical fixed part to be connected releasedly, and described mechanical fixed part can be removed to be arranged described live axle to be configured to be in described second.
7. live axle according to any one of claim 1 to 5, wherein said interior axle and described outer shaft use clutch pack to be connected releasedly.
8. the live axle according to above any one claim, wherein said outer shaft comprises one or more collars further to prevent described live axle transverse shifting.
9. a driven unit, described driven unit comprises:
Live axle according to above any one claim; And
Have the associated electrical machine of rotor assembly, described rotor assembly is at least in part by described outer axis limit or may be operably coupled to described outer shaft.
10. driven unit according to claim 9, described driven unit comprises the one or more bearings for supporting described live axle further.
11. according to claim 9 or driven unit according to claim 10, and described driven unit comprises the locking device for optionally preventing described outer shaft from rotating when described live axle is in described second layout further.
12. 1 kinds of Ship Propeling assemblies, described Ship Propeling assembly) comprise live axle according to any one of claim 1 to 8 or the driven unit according to any one of claim 9 to 11, wherein said second coupling shaft is for driving advancing means.
13. 1 kinds of methods operating live axle, described live axle comprises:
Interior axle, described interior axle has:
Be adapted to the first end that can be connected to the first coupling shaft, the moment of torsion that described first coupling shaft is applied by external motor rotates;
Be adapted to the second end that can be connected to the second coupling shaft; And
The hollow outer shaft coaxial with described interior axle, the rotor assembly of described outer axis limit associated electrical machine at least partially or may be operably coupled to described rotor assembly, and be adapted to and be connected to described interior axle releasedly;
Said method comprising the steps of:
During normal operating conditions, described outer shaft is connected to described interior axle; And
In response to fault condition, described outer shaft and described interior axle are disconnected.
14. methods according to claim 13, wherein said interior axle is connected by mechanical fixed part or clutch pack releasedly with described outer shaft, and wherein
Described method comprises and removes described mechanical fixed part in response to fault condition or operate the step that described clutch pack disconnects to make described outer shaft and described interior axle.
15. according to claim 13 or method according to claim 14, and described method is included in the step preventing described outer shaft from rotating when described outer shaft and described interior axle disconnect further.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14173593.6A EP2960148B1 (en) | 2014-06-24 | 2014-06-24 | Concentric drive shafts |
| EP14173593.6 | 2014-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105202008A true CN105202008A (en) | 2015-12-30 |
Family
ID=50980191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510354288.7A Pending CN105202008A (en) | 2014-06-24 | 2015-06-24 | Drive shafts |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150367927A1 (en) |
| EP (1) | EP2960148B1 (en) |
| KR (1) | KR20160000420A (en) |
| CN (1) | CN105202008A (en) |
| CA (1) | CA2894136A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733152A (en) * | 2017-09-15 | 2018-02-23 | 北京精密机电控制设备研究所 | A kind of arrangement of clutch for bi-motor |
| CN107755260A (en) * | 2017-11-13 | 2018-03-06 | 盐城吉达环保设备有限公司 | A kind of twin shaft birotor is classified powder concentrator |
| CN108397473A (en) * | 2018-05-07 | 2018-08-14 | 珠海市凯菱机械科技有限公司 | A kind of main rotor shaft and its processing technology of single rotor unmanned plane |
| CN113364199A (en) * | 2021-06-30 | 2021-09-07 | 广州极飞科技股份有限公司 | Motor, coaxial motor and unmanned equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202000002695A1 (en) | 2020-02-11 | 2021-08-11 | Ge Avio Srl | GEAR TRANSMISSION UNIT FITTED WITH AN ELECTRIC MOTOR |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127080A (en) * | 1977-03-08 | 1978-11-28 | Lakiza Rostislav I | Tubular shaft of a marine line shafting |
| WO2009016313A2 (en) * | 2007-07-26 | 2009-02-05 | Dcns | Power unit for a ship |
| US20090186537A1 (en) * | 2008-01-21 | 2009-07-23 | Renk Aktiengesellschaft | Torque transmission device for a ship |
| CN101713328A (en) * | 2005-10-05 | 2010-05-26 | 曼狄赛尔公司 | Vessel propulsion system |
| CN102310757A (en) * | 2010-06-30 | 2012-01-11 | 现代自动车株式会社 | The input shaft that is used for hybrid transmissions |
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|---|---|---|---|---|
| DE19630835C2 (en) * | 1996-07-31 | 1998-09-10 | Man B & W Diesel Gmbh | Drive device |
| NO20012041L (en) * | 2001-04-26 | 2002-10-28 | Ann Helen Hystad | Device for pipe flange mounting |
| JP5266543B2 (en) * | 2008-01-09 | 2013-08-21 | ジャパンマリンユナイテッド株式会社 | Counter-rotating propeller marine propulsion device |
| DE102009010656A1 (en) * | 2009-02-26 | 2010-09-02 | Renk Aktiengesellschaft | Ship propulsion system and ship equipped therewith |
| GB2468888B (en) * | 2009-03-26 | 2013-11-06 | Magnomatics Ltd | Marine propulsion device with an electrical machine having integral magnetic gearing |
| EP2927111B1 (en) * | 2012-12-03 | 2018-07-11 | Samsung Heavy Ind. Co., Ltd. | Propeller for ship, and assembling method and disassembling method therefor |
| US9452815B2 (en) * | 2013-03-15 | 2016-09-27 | Michigan Marine Propulsion Systems, LLC | Contra-rotating propulsor for marine propulsion |
-
2014
- 2014-06-24 EP EP14173593.6A patent/EP2960148B1/en active Active
-
2015
- 2015-06-11 CA CA2894136A patent/CA2894136A1/en not_active Abandoned
- 2015-06-18 KR KR1020150086441A patent/KR20160000420A/en not_active Application Discontinuation
- 2015-06-24 CN CN201510354288.7A patent/CN105202008A/en active Pending
- 2015-06-24 US US14/748,360 patent/US20150367927A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127080A (en) * | 1977-03-08 | 1978-11-28 | Lakiza Rostislav I | Tubular shaft of a marine line shafting |
| CN101713328A (en) * | 2005-10-05 | 2010-05-26 | 曼狄赛尔公司 | Vessel propulsion system |
| WO2009016313A2 (en) * | 2007-07-26 | 2009-02-05 | Dcns | Power unit for a ship |
| US20090186537A1 (en) * | 2008-01-21 | 2009-07-23 | Renk Aktiengesellschaft | Torque transmission device for a ship |
| CN102310757A (en) * | 2010-06-30 | 2012-01-11 | 现代自动车株式会社 | The input shaft that is used for hybrid transmissions |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733152A (en) * | 2017-09-15 | 2018-02-23 | 北京精密机电控制设备研究所 | A kind of arrangement of clutch for bi-motor |
| CN107733152B (en) * | 2017-09-15 | 2019-07-12 | 北京精密机电控制设备研究所 | A kind of arrangement of clutch for bi-motor |
| CN107755260A (en) * | 2017-11-13 | 2018-03-06 | 盐城吉达环保设备有限公司 | A kind of twin shaft birotor is classified powder concentrator |
| CN108397473A (en) * | 2018-05-07 | 2018-08-14 | 珠海市凯菱机械科技有限公司 | A kind of main rotor shaft and its processing technology of single rotor unmanned plane |
| CN108397473B (en) * | 2018-05-07 | 2024-03-19 | 珠海市凯菱机械科技有限公司 | Main rotor shaft of single-rotor unmanned aerial vehicle and processing technology thereof |
| CN113364199A (en) * | 2021-06-30 | 2021-09-07 | 广州极飞科技股份有限公司 | Motor, coaxial motor and unmanned equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2960148A1 (en) | 2015-12-30 |
| KR20160000420A (en) | 2016-01-04 |
| CA2894136A1 (en) | 2015-12-24 |
| US20150367927A1 (en) | 2015-12-24 |
| EP2960148B1 (en) | 2016-08-17 |
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Application publication date: 20151230 |