CH248141A - Servo motor for adjusting propeller blades. - Google Patents
Servo motor for adjusting propeller blades.Info
- Publication number
- CH248141A CH248141A CH248141DA CH248141A CH 248141 A CH248141 A CH 248141A CH 248141D A CH248141D A CH 248141DA CH 248141 A CH248141 A CH 248141A
- Authority
- CH
- Switzerland
- Prior art keywords
- servo motor
- propeller blades
- adjusting propeller
- adjusting
- blades
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
- B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
- B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
- B63H3/081—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft
- B63H3/082—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft the control element being axially reciprocatable
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
- B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
- B63H2003/088—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid characterised by supply of fluid actuating medium to control element, e.g. of hydraulic fluid to actuator co-rotating with the propeller
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH248141T | 1944-12-02 | ||
CH250261T | 1944-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH248141A true CH248141A (en) | 1947-04-15 |
Family
ID=41228725
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH248141D CH248141A (en) | 1944-12-02 | 1944-12-02 | Servo motor for adjusting propeller blades. |
CH250261D CH250261A (en) | 1944-12-02 | 1944-12-02 | Device for adjusting the blades of propellers during operation. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH250261D CH250261A (en) | 1944-12-02 | 1944-12-02 | Device for adjusting the blades of propellers during operation. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2513546A (en) |
CH (2) | CH248141A (en) |
FR (1) | FR916934A (en) |
GB (1) | GB603115A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH279159A (en) * | 1946-10-07 | 1951-11-15 | Johannes Liaaen Nils | Propeller adjustment device with servo motor for ships, pumps or turbines. |
US2798564A (en) * | 1952-06-30 | 1957-07-09 | John H Strandell | Mechanical controllable pitch propeller |
US2754923A (en) * | 1952-06-30 | 1956-07-17 | John H Strandell | Single crank controllable pitch propeller |
US2693243A (en) * | 1952-07-23 | 1954-11-02 | John H Strandell | Double crank controllable pitch propeller |
US2753847A (en) * | 1952-08-14 | 1956-07-10 | Reynolds Metals Co | Apparatus for hydraulic production of metallic extrusions and forgings |
US2739571A (en) * | 1952-12-29 | 1956-03-27 | Northrop Aircraft Inc | Cylinder assembly for hydraulic actuator |
FR1110184A (en) * | 1953-10-26 | 1956-02-07 | Karlstad Mekaniska Ab | Hub for propellers, pumps or hydraulic turbines with variable-pitch blades |
US2954830A (en) * | 1954-05-27 | 1960-10-04 | Cooper Bessemer Corp | Propeller pitch control mechanism |
US2944520A (en) * | 1954-09-13 | 1960-07-12 | Swanson Bernard August | Fluid motor with rotary and/or rectilinear movable piston |
US2992688A (en) * | 1957-02-18 | 1961-07-18 | Hartzell Propeller Inc | Adjustable pitch propeller |
GB828942A (en) * | 1957-04-18 | 1960-02-24 | Ernest Charles Hatcher | Improvements relating to propellers or the like having variable-pitch blades |
CH410822A (en) * | 1963-04-29 | 1966-03-31 | Karlstad Mekaniska Ab | Adjustment device on turbines, pumps or propellers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1945071A (en) * | 1927-08-31 | 1934-01-30 | Harry E Popp | Hydraulic turbine |
US2028448A (en) * | 1935-04-03 | 1936-01-21 | Leroy F Harza | Hydraulic turbine |
US2244770A (en) * | 1937-01-15 | 1941-06-10 | Englesson John Elov | Operating device for propellers, turbine wheels, and pump wheels having rotatable blades |
US2210009A (en) * | 1938-08-10 | 1940-08-06 | Robert J Ruths | Hydraulic operated variable pitch propeller |
GB553929A (en) * | 1941-03-08 | 1943-06-10 | Escher Wyss Maschf Ag | Improvements in or relating to variable-pitch propellers |
US2456361A (en) * | 1943-08-14 | 1948-12-14 | Sulzer Ag | Device for adjusting the blades of ships' propellers |
-
1944
- 1944-12-02 CH CH248141D patent/CH248141A/en unknown
- 1944-12-02 CH CH250261D patent/CH250261A/en unknown
-
1945
- 1945-09-12 US US615718A patent/US2513546A/en not_active Expired - Lifetime
- 1945-10-02 GB GB25567/45A patent/GB603115A/en not_active Expired
- 1945-11-05 FR FR916934D patent/FR916934A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH250261A (en) | 1948-06-01 |
US2513546A (en) | 1950-07-04 |
FR916934A (en) | 1946-12-19 |
GB603115A (en) | 1948-06-09 |
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