GB557906A - Variable pitch propeller - Google Patents
Variable pitch propellerInfo
- Publication number
- GB557906A GB557906A GB1607141A GB1607141A GB557906A GB 557906 A GB557906 A GB 557906A GB 1607141 A GB1607141 A GB 1607141A GB 1607141 A GB1607141 A GB 1607141A GB 557906 A GB557906 A GB 557906A
- Authority
- GB
- United Kingdom
- Prior art keywords
- speed
- valve
- engine
- spring
- hub
- 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
- 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)
- Hydraulic Motors (AREA)
- Control Of Turbines (AREA)
- Braking Arrangements (AREA)
Abstract
557,906. Variable-speed propellers. HOOVER, W. S. Dec. 12, 1941, No. 16071. [Class 114] The operation of the pitch changing mechanism is controlled by an engine driven governor and also by the speed of the aircraft. Gears 26 on the blade roots mesh with a master gear 25 fixed to the rotary element 21 of a hydraulic vane motor the flow of pressure fluid e.g. from the engine lubricating system, to which is controlled by a valve 10. The valve is actuated above a certain speed, as determined by a spring 16, by centrifugal governor weights 11 so as to keep the engine speed constant. The valve 10 is also under the control of a wind pressure plate 42 acting upon the spindle 44 of the spring 16 through a plate spring 43. The oil supply may be wholly in the hub, plunger booster pumps being carried by the hub and actuated by engagement with a fixed cam on the engine housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1607141A GB557906A (en) | 1941-12-12 | 1941-12-12 | Variable pitch propeller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1607141A GB557906A (en) | 1941-12-12 | 1941-12-12 | Variable pitch propeller |
Publications (1)
Publication Number | Publication Date |
---|---|
GB557906A true GB557906A (en) | 1943-12-10 |
Family
ID=10070622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1607141A Expired GB557906A (en) | 1941-12-12 | 1941-12-12 | Variable pitch propeller |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB557906A (en) |
-
1941
- 1941-12-12 GB GB1607141A patent/GB557906A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2347104A (en) | Combined speed and velocity responsive variable pitch propeller mechanism | |
GB557906A (en) | Variable pitch propeller | |
GB497999A (en) | Device for the hydraulic control of the blades of screw propellers, blowers and the like | |
US2390133A (en) | Turbine construction | |
GB560107A (en) | Improved pitch control mechanism for screw propellers | |
GB615757A (en) | Improvements relating to variable pitch propellers | |
GB756134A (en) | An improved variable-pitch propeller for airplanes or other flying machines | |
GB590457A (en) | Improvements in or relating to pitch changing mechanisms for propellers | |
GB577946A (en) | Variable diameter propeller unit | |
GB537140A (en) | Improvements in or relating to variable pitch propellor mechanisms | |
GB586641A (en) | Improvements in or relating to hydraulic control devices | |
GB537031A (en) | Improvements in fuel feeding devices for internal combustion engines | |
GB557316A (en) | Improvements in or relating to hydraulic control devices | |
GB563009A (en) | Variable-pitch propellers | |
GB816870A (en) | Improvements in variable pitch propeller control systems | |
GB470284A (en) | Automatic governor control for controllable pitch propeller | |
DE1092850B (en) | Power control device for wind turbines | |
GB593736A (en) | Accumulator pressure propeller blade actuating mechanism | |
GB416255A (en) | Improvements in or relating to screw propellers and pitch control mechanism therefor | |
GB665894A (en) | Improvements in or relating to fluid pressure systems, more particularly for the control of variable pitch propellers | |
GB538162A (en) | Two-pitch airscrew | |
GB585001A (en) | Improvements in and relating to variable-pitch propellers | |
GB1036758A (en) | A continuously variable change speed gear | |
GB526100A (en) | Improvements in or relating to screw propellers and control mechanism therefor | |
GB560629A (en) | Constant speed propeller mechanism |