FR861924A - Perfectionnements aux hélices et à leurs paliers - Google Patents
Perfectionnements aux hélices et à leurs paliersInfo
- Publication number
- FR861924A FR861924A FR861924DA FR861924A FR 861924 A FR861924 A FR 861924A FR 861924D A FR861924D A FR 861924DA FR 861924 A FR861924 A FR 861924A
- Authority
- FR
- France
- Prior art keywords
- propellers
- bearings
- 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
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
- B64C11/42—Blade pitch-changing mechanisms fluid, e.g. hydraulic non-automatic
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Reciprocating Pumps (AREA)
- General Details Of Gearings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US278859A US2318929A (en) | 1939-06-13 | 1939-06-13 | Propeller transfer bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR861924A true FR861924A (fr) | 1941-02-21 |
Family
ID=23066679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR861924D Expired FR861924A (fr) | 1939-06-13 | 1939-11-28 | Perfectionnements aux hélices et à leurs paliers |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US2318929A (fr) |
| FR (1) | FR861924A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2426007A (en) * | 1942-11-14 | 1947-08-19 | Fairey Aviat Co Ltd | Variable pitch propeller arrangement |
| US2421514A (en) * | 1943-08-19 | 1947-06-03 | Gen Motors Corp | Dual rotation propeller |
| US2549108A (en) * | 1943-12-29 | 1951-04-17 | United Aircraft Corp | Propeller pitch control |
| US2625998A (en) * | 1946-06-08 | 1953-01-20 | Gen Motors Corp | Propeller mechanism |
-
1939
- 1939-06-13 US US278859A patent/US2318929A/en not_active Expired - Lifetime
- 1939-11-28 FR FR861924D patent/FR861924A/fr not_active Expired
-
1940
- 1940-12-10 US US369459A patent/US2324625A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2324625A (en) | 1943-07-20 |
| US2318929A (en) | 1943-05-11 |
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