NL42172C - - Google Patents
Info
- Publication number
- NL42172C NL42172C NL42172DA NL42172C NL 42172 C NL42172 C NL 42172C NL 42172D A NL42172D A NL 42172DA NL 42172 C NL42172 C NL 42172C
- Authority
- NL
- Netherlands
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/008—Propeller-blade pitch changing characterised by self-adjusting pitch, e.g. by means of springs, centrifugal forces, hydrodynamic forces
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- 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
- B64C11/32—Blade pitch-changing mechanisms mechanical
- B64C11/34—Blade pitch-changing mechanisms mechanical automatic
- B64C11/343—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Acoustics & Sound (AREA)
Publications (1)
Publication Number | Publication Date |
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NL42172C true NL42172C (sv) | 1937-07-15 |
Family
ID=1803144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL42172D NL42172C (sv) |
Country Status (1)
Country | Link |
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NL (1) | NL42172C (sv) |
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0
- NL NL42172D patent/NL42172C/xx active