CN110606183A - Semi-submerged type propeller system for yacht - Google Patents
Semi-submerged type propeller system for yacht Download PDFInfo
- Publication number
- CN110606183A CN110606183A CN201910937579.7A CN201910937579A CN110606183A CN 110606183 A CN110606183 A CN 110606183A CN 201910937579 A CN201910937579 A CN 201910937579A CN 110606183 A CN110606183 A CN 110606183A
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- CN
- China
- Prior art keywords
- semi
- shaft
- thrust bearing
- yacht
- driving 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
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Classifications
-
- 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
- B63H20/14—Transmission between propulsion power unit and propulsion element
- B63H20/22—Transmission between propulsion power unit and propulsion element allowing movement of the propulsion element about at least a horizontal axis without disconnection of the drive, e.g. using universal joints
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- 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
- B63H25/14—Steering gear power assisted; power driven, i.e. using steering engine
- B63H25/26—Steering engines
- B63H25/28—Steering engines of fluid type
- B63H25/30—Steering engines of fluid type hydraulic
-
- 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
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
- B63H2001/185—Surfacing propellers, i.e. propellers specially adapted for operation at the water surface, with blades incompletely submerged, or piercing the water surface from above in the course of each revolution
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- 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
- B63H2020/003—Arrangements of two, or more outboard propulsion units
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a semi-submerged propeller system for a yacht, which comprises a base (1), a left shaft inclination angle adjusting oil cylinder (2), a flange (3), a left thrust bearing (4), a left steering oil cylinder (5), a left driving shaft (6), a left propeller (7), a nut (8), a right propeller (9), a right driving shaft (10), a connecting rod (11), an annular sealing rubber ring (12), a right steering oil cylinder (13), a hydraulic hose (14), a right shaft inclination angle adjusting oil cylinder (15) and a right thrust bearing (16); wherein left thrust bearing (4) one end is connected with stern board (17) through flange (3), and flange (3) are fixed on stern board (17) through stainless steel bolt, and left thrust bearing (4) other end and annular seal rubber ring (12) one end flexible coupling, and annular seal rubber ring (12) other end is connected with left drive shaft (6) one end, and left drive shaft (6) other end is connected with left screw (7), and left thrust bearing (4) all set up on same main shaft line with left drive shaft (6). The invention has the advantages of compact structure, small volume, adjustable draft, high propelling efficiency, high propelling speed, flexible installation, convenient maintenance, long service life and the like. Is very suitable for being applied to high-speed yachts and shallow-draft ships.
Description
Technical Field
The invention relates to a semi-submerged propeller system, in particular to a semi-submerged propeller system for a yacht.
Background
Yacht is one kind of high-grade durable consumer product for water recreation. It integrates functions of navigation, sports, entertainment, leisure and the like, and meets the requirements of individuals and families for enjoying life. In developed countries, yachts are mostly owned by private persons like cars, while in developed countries, yachts are mostly consumed by people as management projects of parks and tourist attractions, and are also used as working means of port prisoners, public security and frontier defense in a small quantity.
The high speed of small and medium-sized boats is the current international development trend, and with the implementation of the strategy of strengthening the sea in south China, the demand of business boats for administrative law enforcement and the like is remarkably increased. At present, most yachts designed and produced at home and abroad adopt full-immersion propellers for propulsion, and propeller shafts extending out of the ship bottom rotate the propellers to generate thrust. The paddle shaft and shaft carrier are mounted under the boat and cause significant water drag when the yacht is moving at high speeds. In high-speed running, the water resistance can account for about half of the total resistance, and the increase of the navigational speed is seriously influenced. Furthermore, fully immersed propellers are prone to cavitation, which is a major source of propeller damage and mechanical vibration and performance degradation.
Disclosure of Invention
Based on the problems and deficiencies described in the background, the present invention is directed to a semi-submersible propeller system for a yacht, i.e., a propeller system in which some of the blades are exposed to the water surface for operation. The system has the advantages of compact structure, small volume, adjustable draft, high propelling efficiency, flexible installation and convenient maintenance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a semi-submerged propeller system for a yacht, which comprises: the device comprises a base (1), a left shaft inclination angle adjusting oil cylinder (2), a flange (3), a left thrust bearing (4), a left steering oil cylinder (5), a left driving shaft (6), a left screw propeller (7), a nut (8), a right screw propeller (9), a right driving shaft (10), a connecting rod (11), an annular sealing rubber ring (12), a right steering oil cylinder (13), a hydraulic hose (14), a right shaft inclination angle adjusting oil cylinder (15) and a right thrust bearing (16); wherein left thrust bearing (4) one end is passed through flange (3) and is connected with the stern board, and flange (3) are fixed on stern board (17) through stainless steel bolt, and left thrust bearing (4) other end and annular seal rubber ring (12) one end flexible coupling, and annular seal rubber ring (12) other end is connected with left drive shaft (6) one end, and left drive shaft (6) other end is connected with left screw (7), and left thrust bearing (4) all set up on same main shaft line with left drive shaft (6).
In the semi-submerged propeller system for the yacht, one end of a right thrust bearing (16) is connected with a stern plate (17) through a flange (3), the flange (3) is fixed on the stern plate (17) through a stainless steel bolt, the other end of the right thrust bearing (16) is in flexible connection with one end of an annular sealing rubber ring (12), the other end of the annular sealing rubber ring (12) is connected with one end of a right driving shaft (10), the other end of the right driving shaft (10) is connected with a right propeller (9), and the right thrust bearing (16) and the right driving shaft (10) are both arranged on the same main shaft line.
In the semi-submerged propeller system for the yacht, one end of a left shaft inclination angle adjusting oil cylinder (2) is connected with a base (1), a stainless steel bolt penetrates through the base (1) to be connected with a stern plate (17), and the longitudinal angle of a left driving shaft (6) is changed through the left shaft inclination angle adjusting oil cylinder (2), so that the longitudinal immersion angle of the left propeller is changed.
In the semi-submerged propeller system for the yacht, one end of the right shaft inclination angle adjusting oil cylinder (15) is connected with the base (1), the stainless steel bolt penetrates through the base (1) to be connected with the stern plate (17), and the longitudinal angle of the right driving shaft (10) is changed through the right shaft inclination angle adjusting oil cylinder (15), so that the longitudinal immersion angle of the right propeller is changed.
In the semi-submerged propeller system for the yacht, one end of a left steering oil cylinder (5) is connected with a base (1), a stainless steel bolt penetrates through the base (1) to be connected with a stern plate (17), one end of the left steering oil cylinder is connected with the side surface of a left driving shaft (6), and the left steering oil cylinder (5) can control the steering angle of the left driving shaft (6) through a hydraulic hose.
In the semi-submerged propeller system for the yacht, one end of a right steering oil cylinder (13) is connected with a base (1), a stainless steel bolt penetrates through the base (1) to be connected with a stern plate (17), the other end of the right steering oil cylinder is connected with the side surface of a right driving shaft (10), and the steering angle of the right driving shaft (10) can be controlled by the right steering oil cylinder (13) through a hydraulic hose.
In the semi-submerged propeller system for the yacht, one end of a connecting rod (11) is connected with a left driving shaft (6), the other end of the connecting rod is connected with a right driving shaft (10), and the left driving shaft (6) and the right driving shaft (10) can be linked and synchronously act through the connecting rod (11).
In the semi-submerged propeller system for the yacht, the blades of the left propeller (7) are provided with additional parts facing the blade surface, and the structure not only can increase the structural strength of the blades, but also can enable the blades to generate more lifting force along the edge.
In the semi-submerged propeller system for the yacht, when the high-speed sailing state is achieved, the blades are alternately submerged during operation, about one fourth of the blades are completely submerged in water during the rotation period of the blades, one fourth of the blades are exposed in the air, and the remaining two quarter periods are respectively the processes of water outlet and water inlet of the blades.
In the semi-submerged propeller system for the yacht, the semi-submerged propeller system is arranged behind a stern sealing plate of a ship body.
The invention has the beneficial effects that: the semi-immersed propeller system has the advantages of compact structure, small volume, adjustable draft, high propulsion efficiency, high propulsion speed, flexible installation, convenient maintenance, long service life and the like. Is very suitable for being applied to high-speed yachts and shallow-draft ships.
Drawings
Fig. 1 is a schematic structural diagram of a semi-submerged propeller system for a yacht according to the present invention.
FIG. 1 depicts the following: 1: a base; 2: a left shaft inclination angle adjusting oil cylinder; 3: a flange; 4: a left thrust bearing; 5: a left steering cylinder; 6: a left drive shaft; 7: a left propeller; 8, a nut; 9: a right propeller; 10: a right drive shaft; 11: a connecting rod; 12: an annular rubber ring; 13: a right steering cylinder; 14: a hydraulic hose; 15: a right shaft inclination angle adjusting oil cylinder; 16: and a right thrust bearing. .
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments, and can be modified and implemented as desired within a scope not departing from the gist of the present invention.
As shown in fig. 1, the semi-submerged propeller system for yacht includes: the device comprises a base 1, a left shaft inclination angle adjusting oil cylinder 2, a flange 3, a left thrust bearing 4, a left steering oil cylinder 5, a left driving shaft 6, a left screw 7, a nut 8, a right screw 9, a right driving shaft 10, a connecting rod 11, an annular rubber ring 12, a right steering oil cylinder 13, a hydraulic hose 14, a right shaft inclination angle adjusting oil cylinder 15 and a right thrust bearing 16; one end of the left thrust bearing is connected with the stern plate through a flange, and the flange is fixed on the stern plate through a stainless steel bolt; the other end of the left thrust bearing is flexibly connected with one end of the annular sealing rubber ring. The other end of the annular sealing rubber ring is connected with one end of the left driving shaft. The other end of the left driving shaft is connected with the left propeller. The left thrust bearing 4 and the left driving shaft 6 are both arranged on the same main axis, and the transmission efficiency is high.
One end of the right thrust bearing is connected with the stern plate through a flange, and the flange is fixed on the stern plate through a stainless steel bolt; the other end of the right thrust bearing is flexibly connected with one end of the annular sealing rubber ring. The other end of the annular sealing rubber ring is connected with one end of the right driving shaft. The other end of the right driving shaft is connected with a right screw propeller. The right thrust bearing 4 and the right driving shaft 6 are both arranged on the same main axis, and the transmission efficiency is high.
One end of the left shaft inclination angle adjusting oil cylinder 2 is connected with the base 1, and a stainless steel bolt penetrates through the base 1 to be connected with a stern plate. The semi-immersion propeller system can change the longitudinal angle of the left driving shaft 6 through the left shaft inclination angle adjusting oil cylinder 2, so that the longitudinal immersion angle of the left propeller is changed.
One end of the right shaft inclination angle adjusting oil cylinder 2 is connected with the base, and a stainless steel bolt penetrates through the base to be connected with the stern plate. The semi-submerged propeller system can change the longitudinal angle of the right driving shaft 10 through the right shaft inclination angle adjusting oil cylinder 15, so that the longitudinal immersion angle of the right propeller is changed.
One end of the left steering oil cylinder 5 is connected with the base, and a stainless steel bolt penetrates through the base to be connected with the stern plate. One end of the left steering oil cylinder 5 is connected with the side surface of the left driving shaft 5, and the steering angle of the left driving shaft 6 can be controlled by the left steering oil cylinder 5 through a hydraulic hose.
One end of the right steering oil cylinder 13 is connected with the base, and a stainless steel bolt penetrates through the base to be connected with the stern plate. The other end is connected with the side surface of the right driving shaft 10, and the right steering oil cylinder 13 can control the steering angle of the right driving shaft 10 through a hydraulic hose.
One end of the connecting rod 11 is connected with the left driving shaft 6, and the other end is connected with the right driving shaft 10. The left driving shaft 6 and the right driving shaft 10 can be interlocked and synchronously operated through a connecting rod 11.
The blades of the left propeller 7 are provided with additional parts facing the blade surfaces, and the structure not only can increase the structural strength of the blades, but also can enable the blades to generate more lifting force along the edge.
When the semi-submerged propeller system reaches a high-speed sailing state, the blades alternately enter water during operation, about one fourth of the blades are completely submerged in the water in the rotation period of the blades, one fourth of the blades are exposed in the air, and the rest two quarter periods are respectively the water outlet and water inlet processes of the blades. The semi-immersed propeller can greatly reduce cavitation corrosion on the surface of the propeller, and is beneficial to prolonging the service life of the propeller.
The base, the thrust bearing, the flange, the driving shaft, the propeller and the connecting rod are all made of 304 stainless steel, and the high corrosion resistance is achieved. Meanwhile, the semi-immersed propeller system adopts high-performance hydraulic oil to realize hydraulic operation.
The semi-immersed propeller system is arranged behind a stern sealing plate of the ship body, so that the limitation of the ship body on the diameter of the propeller is avoided, and the selection of the working point of the propeller can be optimized. Has the advantages of flexible installation, convenient maintenance and the like.
The present invention has been described in detail for the purpose of illustration and description, and it is not intended to limit the scope of the invention by the way that the present invention can be practiced, but rather, to cover all equivalent variations and modifications that are within the spirit and scope of the invention.
Claims (10)
1. A semi-submerged propeller system for a yacht, comprising: the device comprises a base (1), a left shaft inclination angle adjusting oil cylinder (2), a flange (3), a left thrust bearing (4), a left steering oil cylinder (5), a left driving shaft (6), a left screw propeller (7), a nut (8), a right screw propeller (9), a right driving shaft (10), a connecting rod (11), an annular sealing rubber ring (12), a right steering oil cylinder (13), a hydraulic hose (14), a right shaft inclination angle adjusting oil cylinder (15) and a right thrust bearing (16); wherein left thrust bearing (4) one end is connected with stern board (17) through flange (3), and flange (3) are fixed on stern board (17) through stainless steel bolt, and left thrust bearing (4) other end and annular seal rubber ring (12) one end flexible coupling, and annular seal rubber ring (12) other end is connected with left drive shaft (6) one end, and left drive shaft (6) other end is connected with left screw (7), and left thrust bearing (4) all set up on same main shaft line with left drive shaft (6).
2. The semi-submerged propeller system for yacht as claimed in claim 1, wherein one end of the right thrust bearing (16) is connected to the stern plate (17) via the flange (3), the flange (3) is fixed to the stern plate via stainless steel bolts, the other end of the right thrust bearing (16) is flexibly connected to one end of the annular sealing rubber ring (12), the other end of the annular sealing rubber ring (12) is connected to one end of the right driving shaft (10), the other end of the right driving shaft (10) is connected to the right propeller (9), and the right thrust bearing (16) and the right driving shaft (10) are both arranged on the same main axis.
3. The semi-submerged propeller system for yacht as claimed in claim 1, wherein the left shaft inclination angle regulating cylinder (2) has one end connected to the base (1), stainless steel bolts penetrating the base (1) are connected to the stern plate (17), and the longitudinal angle of the left driving shaft (6) is changed by the left shaft inclination angle regulating cylinder (2), thereby changing the longitudinal immersion angle of the left propeller.
4. The semi-submerged propeller system for yacht as claimed in claim 1, wherein the right shaft tilt angle regulating cylinder (15) has one end connected to the base (1), stainless steel bolts penetrating the base (1) are connected to the stern plate (17), and the longitudinal angle of the right driving shaft (10) is changed by the right shaft tilt angle regulating cylinder (15), thereby changing the longitudinal immersion angle of the right propeller.
5. The semi-submerged propeller system for yacht as claimed in claim 1, wherein the left steering cylinder (5) has one end connected to the base (1), stainless steel bolts penetrating the base (1) to connect to the stern plate (17), and one end connected to the side of the left driving shaft (6), and the left steering cylinder (5) can control the steering angle of the left driving shaft (6) through hydraulic hose.
6. The semi-submerged propeller system for yacht as claimed in claim 1, wherein the right steering cylinder (13) has one end connected to the base (1), stainless steel bolts penetrating the base (1) to connect to the stern plate (17), and the other end connected to the side of the right driving shaft (10), and the right steering cylinder (13) can control the steering angle of the right driving shaft (10) through hydraulic hose.
7. The semi-submerged propeller system for yacht as claimed in claim 1 wherein the connecting rod (11) has one end connected to the left drive shaft (6) and the other end connected to the right drive shaft (10), the left drive shaft (6) and the right drive shaft (10) may be linked and act synchronously via the connecting rod (11).
8. Semi-submerged propeller system for yacht as claimed in claim 1 wherein the left propeller (7) blades are provided with additional parts towards the blade surface, which not only increases the structural strength of the blades, but also allows the blades to generate more lift along the edge.
9. A semi-submersible rotor system for a yacht as claimed in any one of claims 1 to 8 wherein the semi-submersible rotor system is such that on reaching high speed sailing conditions the blades are alternately submerged in operation, approximately one quarter of the blades being fully submerged in the water during a period of rotation of the blades, one quarter of the blades being exposed to the air, the remaining two quarter periods being respectively the process of egress and ingress of the blades.
10. A semi-submerged propeller system for yacht as claimed in any one of claims 1 to 8 wherein the semi-submerged propeller system is arranged behind the stern plate of the hull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937579.7A CN110606183A (en) | 2019-09-30 | 2019-09-30 | Semi-submerged type propeller system for yacht |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937579.7A CN110606183A (en) | 2019-09-30 | 2019-09-30 | Semi-submerged type propeller system for yacht |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110606183A true CN110606183A (en) | 2019-12-24 |
Family
ID=68894108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910937579.7A Pending CN110606183A (en) | 2019-09-30 | 2019-09-30 | Semi-submerged type propeller system for yacht |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110606183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815832A (en) * | 2021-09-19 | 2021-12-21 | 苏州汉瑞船舶推进***有限公司 | Rim-driven semi-submerged propeller |
| CN116513426A (en) * | 2023-04-28 | 2023-08-01 | 中国船舶科学研究中心 | Double-connected semi-submerged propeller propulsion device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2878199Y (en) * | 2006-04-17 | 2007-03-14 | 大连松辽船厂 | High-speed boar pushing device |
| CN202244052U (en) * | 2011-08-12 | 2012-05-30 | 中国船舶重工集团公司第七○二研究所 | Light double-linkage transmission device for semi-submerged propeller |
| CN202609072U (en) * | 2012-04-23 | 2012-12-19 | 武汉劳雷绿湾船舶科技有限公司 | Surface oar propelling apparatus for ship |
| CN103068671A (en) * | 2010-04-26 | 2013-04-24 | 双环公司 | Electric marine surface drive |
| CN203946264U (en) * | 2014-06-25 | 2014-11-19 | 中国船舶重工集团公司第七○二研究所 | Altitude environment is partly soaked oar propulsive unit |
| CN204527595U (en) * | 2015-03-05 | 2015-08-05 | 珠海市和裕丰船舶设备有限公司 | The adjustable half latent oar propulsive unit of a kind of high speed vessel |
| CN204606180U (en) * | 2015-05-11 | 2015-09-02 | 武汉劳雷绿湾船舶科技有限公司 | Adjustablely partly soak oar propulsive unit |
| CN209096989U (en) * | 2018-11-08 | 2019-07-12 | 浙江国际海运职业技术学院 | Twinscrewvessel propeller |
-
2019
- 2019-09-30 CN CN201910937579.7A patent/CN110606183A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2878199Y (en) * | 2006-04-17 | 2007-03-14 | 大连松辽船厂 | High-speed boar pushing device |
| CN103068671A (en) * | 2010-04-26 | 2013-04-24 | 双环公司 | Electric marine surface drive |
| CN202244052U (en) * | 2011-08-12 | 2012-05-30 | 中国船舶重工集团公司第七○二研究所 | Light double-linkage transmission device for semi-submerged propeller |
| CN202609072U (en) * | 2012-04-23 | 2012-12-19 | 武汉劳雷绿湾船舶科技有限公司 | Surface oar propelling apparatus for ship |
| CN203946264U (en) * | 2014-06-25 | 2014-11-19 | 中国船舶重工集团公司第七○二研究所 | Altitude environment is partly soaked oar propulsive unit |
| CN204527595U (en) * | 2015-03-05 | 2015-08-05 | 珠海市和裕丰船舶设备有限公司 | The adjustable half latent oar propulsive unit of a kind of high speed vessel |
| CN204606180U (en) * | 2015-05-11 | 2015-09-02 | 武汉劳雷绿湾船舶科技有限公司 | Adjustablely partly soak oar propulsive unit |
| CN209096989U (en) * | 2018-11-08 | 2019-07-12 | 浙江国际海运职业技术学院 | Twinscrewvessel propeller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815832A (en) * | 2021-09-19 | 2021-12-21 | 苏州汉瑞船舶推进***有限公司 | Rim-driven semi-submerged propeller |
| CN116513426A (en) * | 2023-04-28 | 2023-08-01 | 中国船舶科学研究中心 | Double-connected semi-submerged propeller propulsion device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191224 |
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| RJ01 | Rejection of invention patent application after publication |