GB522064A - Screw propeller blade - Google Patents
Screw propeller bladeInfo
- Publication number
- GB522064A GB522064A GB141/39A GB14139A GB522064A GB 522064 A GB522064 A GB 522064A GB 141/39 A GB141/39 A GB 141/39A GB 14139 A GB14139 A GB 14139A GB 522064 A GB522064 A GB 522064A
- Authority
- GB
- United Kingdom
- Prior art keywords
- face
- blank
- blanks
- convex
- jan
- 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
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/78—Making other particular articles propeller blades; turbine blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
522,064. Screw propellers. UNITED AIRCRAFT CORPORATION. Jan. 3, 1939, No. 141. Convention date, Jan. 17, 1938. [Class 114] Hollow blades of screw propellers have one face made from one blank and the opposed face of a number of blanks with welded joints connecting them edge to edge and a reinforcing rib extending from said face to the unitary blank. A unitary blank is used to form the convex suction face 48 said blank being extended over the leading and trailing edges 42, 44, and two blanks 56, 58 constitute the working face 50, these parts being connected by welded joints 66, 62, 60. The element 58 is also formed as a unit with a ribbed member 52 which is bent in and welded to the convex face 48 at 64. At the root the section is circular for mounting in the hub, whereas the rest of the blade is of aerofoil section. In a modification the convex surface is made with two blanks and the other face is formed from the single blank. Specification 515,777 and U.S.A. Specifications 1,000,602, 1,685,881, 1,713,500, and 1,764,927 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US522064XA | 1938-01-17 | 1938-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB522064A true GB522064A (en) | 1940-06-07 |
Family
ID=21976102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB141/39A Expired GB522064A (en) | 1938-01-17 | 1939-01-03 | Screw propeller blade |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB522064A (en) |
-
1939
- 1939-01-03 GB GB141/39A patent/GB522064A/en not_active Expired
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