GB619632A - Improvements in or relating to bearings for the blades of helicopters or rotary wingaircraft - Google Patents
Improvements in or relating to bearings for the blades of helicopters or rotary wingaircraftInfo
- Publication number
- GB619632A GB619632A GB37123/46A GB3712346A GB619632A GB 619632 A GB619632 A GB 619632A GB 37123/46 A GB37123/46 A GB 37123/46A GB 3712346 A GB3712346 A GB 3712346A GB 619632 A GB619632 A GB 619632A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pinion
- shaft
- race
- bearings
- rotation
- 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
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/37—Rotors having articulated joints
- B64C27/45—Rotors having articulated joints with a feathering hinge only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/43—Aeroplanes; Helicopters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
- Rolling Contact Bearings (AREA)
Abstract
619,632. Helicopters. FAIREY AVIATION CO., Ltd., and ELLIS, G. B. L. Dec. 17, 1946, No. 37123. [Class 4] [Also in Group XXXIV] In order to avoid local wear of the flapping and pitch change bearings of a lifting rotor, at least one of the races of each bearing is caused to rotate so long as the rotor head is in rotation. As illustrated, the rotor head 10 is mounted on a fixed shaft 11 and is driven by a bevel pinion (not shown) on the engine. transmis - sion shaft meshing with a pinion 13. Drag links 25 are mounted on doublerow needle bearings 27, 28 for flapping movement, and on ball bearings 32. 33 for pitch change movement. The fixed shaft 11 carries a bevel wheel 16 meshing with a pinion 19 mounted at the inboard end of a shaft 20, the outboard end of the latter carrying a second pinion 31 and the spacing race 34 of the double bearing 32, 33. The shaft 20 rotates continuously while the rotor head is in rotation, thus ensuring continuous movement of the race 34. The pinion 31 on the shaft 20 meshes with a pinion 30a on the spacing race 30 of the needle bearing, to give continuous rotation of the race. The drag links are rotated for pitch changing by links 36 connected to stub members 35 and to a swash-plate controlled by the pilot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB37123/46A GB619632A (en) | 1946-12-17 | 1946-12-17 | Improvements in or relating to bearings for the blades of helicopters or rotary wingaircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB37123/46A GB619632A (en) | 1946-12-17 | 1946-12-17 | Improvements in or relating to bearings for the blades of helicopters or rotary wingaircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB619632A true GB619632A (en) | 1949-03-11 |
Family
ID=10393912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB37123/46A Expired GB619632A (en) | 1946-12-17 | 1946-12-17 | Improvements in or relating to bearings for the blades of helicopters or rotary wingaircraft |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB619632A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113086194A (en) * | 2021-04-17 | 2021-07-09 | 合肥市方升信息科技有限公司 | Smart city data set system and method based on echo airborne laser scanning data |
-
1946
- 1946-12-17 GB GB37123/46A patent/GB619632A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113086194A (en) * | 2021-04-17 | 2021-07-09 | 合肥市方升信息科技有限公司 | Smart city data set system and method based on echo airborne laser scanning data |
| CN113086194B (en) * | 2021-04-17 | 2024-02-20 | 合肥市方升信息科技有限公司 | Echo-based airborne laser scanning data smart city data collection system and method |
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