GB534984A - Improvements in or relating to shock absorber struts or oleo legs for aircraft - Google Patents
Improvements in or relating to shock absorber struts or oleo legs for aircraftInfo
- Publication number
- GB534984A GB534984A GB26472/39A GB2647239A GB534984A GB 534984 A GB534984 A GB 534984A GB 26472/39 A GB26472/39 A GB 26472/39A GB 2647239 A GB2647239 A GB 2647239A GB 534984 A GB534984 A GB 534984A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- aircraft
- apertures
- piston
- valve
- 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
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/50—Steerable undercarriages; Shimmy-damping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
534,984. Aircraft alighting gear; vibration dampers. COWEY, L. E. Sept. 22, 1939, No. 26472. [Class 4] [Also in Group XXXII] A shock-absorber strut or oleo leg for aircraft comprises a cylinder 5 to which is attached a bracket 33 carrying a pivot for a wheel fork 30 which is connected by a piston rod 12 to a piston 7 movable in the cylinder 5. The cylinder is divided by a stationary piston-like member 21 having apertures 29, Fig. 5, between its upper and lower surfaces, and a spring-pressed valve 25 normally closing the passage between apertures 26, 28. For small movements of the piston, fluid passes from one side to the other through the apertures 29, but for larger movements, the valve 25 is lifted, and the fluid, passes through the apertures 26, 28. Compressed air and oil are passed into the cylinder through a valve closure member 48 in a passage leading to a dipping tube 50. The cylinder 5 is rotatably mounted in a casing 1 and its closure member 22 carries rollers urged towards cam surfaces by a coil spring 46 and tending to hold the wheel fork in a central position when the aircraft is in flight. During taxiing, the force between the rollers and the cam surfaces due to the weight of the aircraft tends to return the wheel to its central position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26472/39A GB534984A (en) | 1939-09-22 | 1939-09-22 | Improvements in or relating to shock absorber struts or oleo legs for aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26472/39A GB534984A (en) | 1939-09-22 | 1939-09-22 | Improvements in or relating to shock absorber struts or oleo legs for aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB534984A true GB534984A (en) | 1941-03-25 |
Family
ID=10244170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26472/39A Expired GB534984A (en) | 1939-09-22 | 1939-09-22 | Improvements in or relating to shock absorber struts or oleo legs for aircraft |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB534984A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353356A (en) * | 2018-10-27 | 2019-02-19 | 上海国液压气动有限公司 | Hydraulic pressure support pulley |
-
1939
- 1939-09-22 GB GB26472/39A patent/GB534984A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353356A (en) * | 2018-10-27 | 2019-02-19 | 上海国液压气动有限公司 | Hydraulic pressure support pulley |
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