NL7200989A - - Google Patents
Info
- Publication number
- NL7200989A NL7200989A NL7200989A NL7200989A NL7200989A NL 7200989 A NL7200989 A NL 7200989A NL 7200989 A NL7200989 A NL 7200989A NL 7200989 A NL7200989 A NL 7200989A NL 7200989 A NL7200989 A NL 7200989A
- Authority
- NL
- Netherlands
Links
Classifications
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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
- B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
- B64C11/42—Blade pitch-changing mechanisms fluid, e.g. hydraulic non-automatic
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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
- B63H3/06—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
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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
- B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
- B64C11/40—Blade pitch-changing mechanisms fluid, e.g. hydraulic automatic
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7103506A FR2123842A5 (en:Method) | 1971-01-26 | 1971-01-26 | |
| FR7107038A FR2127255A6 (en:Method) | 1971-02-23 | 1971-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7200989A true NL7200989A (en:Method) | 1972-07-28 |
Family
ID=26216188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7200989A NL7200989A (en:Method) | 1971-01-26 | 1972-01-25 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2203583A1 (en:Method) |
| NL (1) | NL7200989A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018234328A1 (en) * | 2017-06-19 | 2018-12-27 | Rolls-Royce Marine As | ROTARY ACTUATOR, HUB WITH VARIABLE PITCH, PROPELLER BRACKET |
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1972
- 1972-01-25 NL NL7200989A patent/NL7200989A/xx not_active Application Discontinuation
- 1972-01-26 DE DE19722203583 patent/DE2203583A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2203583A1 (de) | 1972-08-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |