FR977444A - Improvement in ventilated boat propellers - Google Patents
Improvement in ventilated boat propellersInfo
- Publication number
- FR977444A FR977444A FR977444DA FR977444A FR 977444 A FR977444 A FR 977444A FR 977444D A FR977444D A FR 977444DA FR 977444 A FR977444 A FR 977444A
- Authority
- FR
- France
- Prior art keywords
- ventilated
- improvement
- boat propellers
- propellers
- boat
- 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.)
- Expired
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
- 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
-
- 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
- B63H1/20—Hubs; Blade connections
-
- 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
- B63H1/26—Blades
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR977444T | 1942-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR977444A true FR977444A (en) | 1951-04-02 |
Family
ID=9519702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR977444D Expired FR977444A (en) | 1942-06-06 | 1942-06-06 | Improvement in ventilated boat propellers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR977444A (en) |
-
1942
- 1942-06-06 FR FR977444D patent/FR977444A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR55474E (en) | Improvement in wind-powered propellers | |
FR900353A (en) | Propeller refinements | |
FR977444A (en) | Improvement in ventilated boat propellers | |
FR928687A (en) | Improvements to aircraft radiators | |
GB554005A (en) | Improvements in fans or propellers | |
FR1017974A (en) | Helicopter training | |
FR943005A (en) | Improvements to aircraft | |
FR883542A (en) | Marine ram | |
FR972387A (en) | Improvement in wind-powered propellers | |
FR977451A (en) | Improvements to the milling cylinders | |
FR979516A (en) | Tail Landers Improvements | |
FR977528A (en) | Improvement in radiators | |
FR949385A (en) | Aviation propeller improvements | |
FR899083A (en) | Aerial propeller ship | |
FR920127A (en) | Helicopter training | |
FR938652A (en) | Propeller | |
CH247912A (en) | Ship propulsion system. | |
FR919827A (en) | Improvements in shipbuilding | |
CA409097A (en) | Ship propeller reaching means | |
FR938830A (en) | Propeller refinements | |
CH257278A (en) | Propeller. | |
AU119908B2 (en) | Propeller fans | |
FR886595A (en) | Improvement in carburetor floats | |
FR915827A (en) | Advanced training in aircraft propellers | |
CA409391A (en) | Propeller stern bearing |