NL6814500A - - Google Patents
Info
- Publication number
- NL6814500A NL6814500A NL6814500A NL6814500A NL6814500A NL 6814500 A NL6814500 A NL 6814500A NL 6814500 A NL6814500 A NL 6814500A NL 6814500 A NL6814500 A NL 6814500A NL 6814500 A NL6814500 A NL 6814500A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- B63H1/28—Other means for improving propeller efficiency
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6555167 | 1967-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6814500A true NL6814500A (en) | 1969-04-15 |
Family
ID=13290244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6814500A NL6814500A (en) | 1967-10-12 | 1968-10-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3549271A (en) |
| DE (1) | DE1801813A1 (en) |
| FR (1) | FR1589036A (en) |
| GB (1) | GB1250197A (en) |
| NL (1) | NL6814500A (en) |
| SE (1) | SE341147B (en) |
| SU (1) | SU386498A3 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381901A (en) * | 1979-08-17 | 1983-05-03 | Labudde Russell G | Anti-cavitation marine propeller |
| DE3202862C2 (en) * | 1982-01-29 | 1984-04-12 | Metronic Electronic GmbH, 7210 Rottweil | Air bubble massager |
| US4571192A (en) * | 1983-11-09 | 1986-02-18 | Allied Corporation | Self propelled spherical vehicle |
| DE3469874D1 (en) * | 1984-01-14 | 1988-04-21 | Ostermann Metallwerke Gmbh & C | Arrangement of ship screw and guide wheel |
| SE456075B (en) * | 1984-11-29 | 1988-09-05 | Volvo Penta Ab | ROTOR SYSTEM, PREFERRED BAT PROPELLER SYSTEM |
| DE3931489C2 (en) * | 1989-09-21 | 1994-09-01 | Metrax Gmbh | Bubble mat for an air bubble massager |
| WO2011144239A1 (en) | 2010-05-19 | 2011-11-24 | Wärtsilä Finland Oy | Rotational energy recovery appendage |
| DE102011055515A1 (en) * | 2011-11-18 | 2013-05-23 | Becker Marine Systems Gmbh & Co. Kg | Propeller arrangement, in particular for watercraft |
| CN107867382B (en) * | 2017-10-16 | 2023-04-21 | 重庆交通大学 | Propeller device |
| US11713101B2 (en) | 2020-12-04 | 2023-08-01 | Jeffrey L. HATHAWAY | Propeller hubcap |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH91268A (en) * | 1919-03-04 | 1921-10-17 | Etienne Oehmichen | Method for improving the efficiency of a propeller and apparatus for carrying out the method. |
| GB332124A (en) * | 1928-10-01 | 1930-07-17 | Percival Edwin Mcneil | Improvements in screw propulsion |
| US2126221A (en) * | 1936-11-25 | 1938-08-09 | John W Sessums | Aircraft propeller unit |
-
1968
- 1968-10-02 US US764575A patent/US3549271A/en not_active Expired - Lifetime
- 1968-10-08 DE DE19681801813 patent/DE1801813A1/en active Pending
- 1968-10-08 SE SE13569/68A patent/SE341147B/xx unknown
- 1968-10-10 NL NL6814500A patent/NL6814500A/xx unknown
- 1968-10-11 FR FR1589036D patent/FR1589036A/fr not_active Expired
- 1968-10-11 SU SU1277103A patent/SU386498A3/ru active
- 1968-10-11 GB GB1250197D patent/GB1250197A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1589036A (en) | 1970-03-16 |
| SU386498A3 (en) | 1973-06-14 |
| SE341147B (en) | 1971-12-13 |
| GB1250197A (en) | 1971-10-20 |
| US3549271A (en) | 1970-12-22 |
| DE1801813A1 (en) | 1969-04-30 |