GB352833A - Improvements in or relating to screw propellers - Google Patents
Improvements in or relating to screw propellersInfo
- Publication number
- GB352833A GB352833A GB29751/30A GB2975130A GB352833A GB 352833 A GB352833 A GB 352833A GB 29751/30 A GB29751/30 A GB 29751/30A GB 2975130 A GB2975130 A GB 2975130A GB 352833 A GB352833 A GB 352833A
- Authority
- GB
- United Kingdom
- Prior art keywords
- face
- edge
- leading edge
- screw propeller
- screw
- 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
- B63H1/26—Blades
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Tires In General (AREA)
Abstract
352,833. Screw propellers. CALLAHAN, J. J., Holy Ghost Cottage, Cornwells Heights, Pennsylvania, U.S.A. Oct. 4, 1930, No. 29751. [Class 114.] In a screw propeller of the type in which the rear portion of the active face of the blades forms an abrupt angle with the rest the rear face is given an increasing pitch angle from root to tip such increase being at a greater rate than that at the driving face. The active side of the blade 12 comprises a screw propeller face 14 and a compresser face 15, the free edge 16 constituting the leading edge. A line joining the leading edge 16 with the following edge 17 is approximately 45‹ to the plane of rotation. The rear face 18 is substantially straight but curves in at 19 toward the following edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB29751/30A GB352833A (en) | 1930-10-04 | 1930-10-04 | Improvements in or relating to screw propellers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB29751/30A GB352833A (en) | 1930-10-04 | 1930-10-04 | Improvements in or relating to screw propellers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB352833A true GB352833A (en) | 1931-07-16 |
Family
ID=10296577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29751/30A Expired GB352833A (en) | 1930-10-04 | 1930-10-04 | Improvements in or relating to screw propellers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB352833A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5187389U (en) * | 1975-01-08 | 1976-07-13 | ||
| FR2475158A1 (en) * | 1980-02-06 | 1981-08-07 | Cofimco Sas | AXIAL FAN WITH VANE WHEEL HAVING INCREASED PULLING POWER AND INCLUDING NON-TWISTED VANES |
| WO1999057007A1 (en) * | 1998-05-06 | 1999-11-11 | Elms Australia Pty. Ltd. | Improved hydrofoil device |
| AU778453B2 (en) * | 1998-05-06 | 2004-12-09 | Veem Engineering Group Pty Ltd | Improved hydrofoil device |
-
1930
- 1930-10-04 GB GB29751/30A patent/GB352833A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5187389U (en) * | 1975-01-08 | 1976-07-13 | ||
| FR2475158A1 (en) * | 1980-02-06 | 1981-08-07 | Cofimco Sas | AXIAL FAN WITH VANE WHEEL HAVING INCREASED PULLING POWER AND INCLUDING NON-TWISTED VANES |
| WO1999057007A1 (en) * | 1998-05-06 | 1999-11-11 | Elms Australia Pty. Ltd. | Improved hydrofoil device |
| US6467422B1 (en) * | 1998-05-06 | 2002-10-22 | Elms Austrialia Pty Ltd. | Hydrofoil device |
| AU778453B2 (en) * | 1998-05-06 | 2004-12-09 | Veem Engineering Group Pty Ltd | Improved hydrofoil device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB352833A (en) | Improvements in or relating to screw propellers | |
| GB496700A (en) | Improvements relating to screw and like propellers | |
| GB372378A (en) | Improvements in and connected with screw propellers | |
| GB312482A (en) | Improvements in screw propellers | |
| GB511932A (en) | Improvements in and relating to ventilating fans | |
| GB379647A (en) | Improvements in and relating to propelling screws | |
| GB299387A (en) | Improvements in air propellers | |
| GB513863A (en) | Improvements in and relating to axial-flow fans | |
| GB311203A (en) | Improvements in or relating to screw propellers | |
| GB485041A (en) | Improvements in and relating to screw fans | |
| GB388827A (en) | Improvements in and relating to screw propellers and the like | |
| GB450960A (en) | Improvements in or relating to screw propellers, turbine rotors and like devices | |
| GB338803A (en) | Improvements in and connected with shears and the like | |
| GB189158A (en) | An improved construction of screw propeller | |
| GB669745A (en) | Improvements in and relating to marine propellers | |
| GB459096A (en) | Improvements in or relating to screw propellers | |
| GB365940A (en) | High speed metal aeronautical propellers | |
| GB388991A (en) | Improvements in or relating to screw fan blades | |
| GB432931A (en) | Aircraft propellor | |
| GB291313A (en) | Improvements in screw propellers having flexible blades | |
| GB424658A (en) | Improvements in or relating to screw propellers | |
| GB372766A (en) | Improvements in and relating to screw propellers and the like | |
| GB262860A (en) | Improvements in and relating to propellors | |
| GB457599A (en) | Metal airscrew for aircraft and like purposes | |
| GB263440A (en) | Improvements in screw propellers |