Patents for B63H 3 - Propeller-blade pitch changing (787)
07/2011
07/20/2011CN101376429B Bidirectional locking arrangement of controllable pitch propeller
07/05/2011CA2530502C Marine propulsion system
06/2011
06/16/2011US20110142630 Wind turbine pitch-angle control device and method thereof
06/15/2011EP2331398A1 An adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement.
05/2011
05/25/2011EP2323902A1 Propeller
05/25/2011CN201842251U Pitch-adjustable lateral propeller
05/24/2011US7946818 Shock absorber for adjustable pitch propeller with feathering blades, particularly for sailers
05/17/2011US7945350 Wind turbine acoustic emission control system and method
05/17/2011US7944070 Yaw system for a nacelle of a wind turbine and wind turbine
05/11/2011CN102050219A Controllable pitch propeller for ship
04/2011
04/19/2011US7927160 Variable pitch propeller
04/14/2011US20110085906 Fan retention shaft
03/2011
03/17/2011WO2011029550A1 Mechanically driven, hubless, high-efficiency ship propulsor
03/17/2011US20110061579 Dynamic fin comprising coupled fin sections
02/2011
02/16/2011CN101978170A Device for changing a pitch of a blade of an impeller/propeller and a fan comprising the device
02/09/2011CN201737150U Push-pull rod type adjustable propeller
02/08/2011US7883317 Method for optimizing the operation of a wind turbine
02/01/2011CA2509047C Variable marine jet propulsion
01/2011
01/19/2011EP2275343A1 Variable-pitch propeller
01/13/2011US20110006527 Method and apparatus for controlling noise levels of a turbine with minimal loss in energy yield
12/2010
12/15/2010EP1485288B1 Actuation system for a controllable pitch propeller
11/2010
11/24/2010CN201647113U Propeller pitch manual operator
11/03/2010EP2245313A1 Device for changing a pitch of a blade of an impeller/propeller and a fan comprising the device
10/2010
10/28/2010WO2010123636A2 Method and system for controlling propulsion systems
10/28/2010WO2010121373A1 Improved ballistic composites having large denier per filament high performance yarns
10/28/2010CA2722136A1 Improved ballistic composites having large denier per filament high performance yarns
10/20/2010EP1603798B1 Adaptive compliant wing and rotor system
10/13/2010EP2239192A1 Nautical variable - pitch propeller
09/2010
09/08/2010CN101318547B Variable-pitch propelling plant of underwater moving body
09/02/2010WO2010097440A1 Device with counter-rotating propellers having a means for changing the pitch of the propellers
09/02/2010CA2753045A1 Device with counter-rotating propellers having a means for changing the pitch of the propellers
08/2010
08/18/2010EP2217486A1 Boat propeller having adjustable surface cutting propeller blades
07/2010
07/20/2010US7758310 Translational thrust system for a rotary wing aircraft
07/07/2010EP1501723B1 Arrangement in connection with a propeller with angularly adjustable blades
06/2010
06/30/2010CN201516918U Anti-silt type adjustable pitch propeller
06/22/2010US7740448 Pitch control battery backup methods and system
06/17/2010US20100150720 Marine propulsion and constructional details thereof
06/10/2010WO2010064483A1 Method and device for controlling blade angle of variable pitch propeller
06/09/2010CN101723073A Hydro-cylinder post-positioned pitch-adjustable propeller
06/02/2010CN201494619U Oil cylinder rear-mounted type controllable screw pitch propeller
05/2010
05/19/2010CN201472659U Controllable pitch propeller with wind deflector
05/19/2010CN201472658U Bidirectional emergency device of single-oil-pipe type screw propeller with adjustable pitch
05/19/2010CN201472657U Two-way locking device and oil distributor of variable-pitch oil-cylinder piston of adjusting-pitch paddle
05/05/2010CN1829628B Marine propulsion system
04/2010
04/29/2010DE102006045078B4 Schiff mit einem Antrieb, der einen Verstellpropeller aufweist Ship with a drive that has a variable pitch propeller
04/22/2010WO2010044734A1 Method and arrangement for propeller pitch control
04/22/2010WO2010044733A1 Method and arrangement for propeller pitch control
04/10/2010CA2681900A1 Adaptive adjustment of the blade pitch angle of a wind turbine
03/2010
03/25/2010WO2010033060A1 An adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement.
03/25/2010WO2010031736A1 Propeller
03/25/2010US20100075552 Marine propulsion and constructional details thereof
03/25/2010CA2737366A1 Propeller
03/11/2010US20100058966 Diversion of sailing vessel by tethering method and apparatus therefor with harpoon means
03/04/2010US20100054941 Wind tracking system of a wind turbine
02/2010
02/25/2010US20100048069 Marine propulsion and constructional details thereof
02/18/2010DE102006007915B4 Antriebssystem mit einem Verstellpropeller Drive system with a variable pitch propeller
02/11/2010US20100034655 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
01/2010
01/27/2010CN201390385Y Efficient novel marine fix-pitch propeller
01/27/2010CN201390384Y Novel marine propeller capable of avoiding generation of cavitation
01/21/2010US20100014976 Propeller blade pitch control system
01/14/2010US20100008780 Marine propeller pitch adjustment means
12/2009
12/30/2009CN201371936Y Speed change fixed-pitch propeller lateral propelling equipment
11/2009
11/25/2009EP2121429A2 Variable-pitch propeller
10/2009
10/06/2009US7597598 Propeller for a marine propulsion system
09/2009
09/09/2009CN201305128Y Plug-and-jack type blade pitch adjusting device used for adjustable propellers of model
09/02/2009CN201300987Y Gear transmission type blade pitch regulation device for model adjustable propeller
07/2009
07/30/2009WO2009093937A1 Device for changing a pitch of a blade of an impeller/propeller and a fan comprising the device
07/23/2009WO2009091782A1 Check valve turbine
07/15/2009CN100513254C Method and system for controlling screw propeller of controllable pitch ship
07/08/2009CN100509554C Marine vessel propulsion arrangement and method for operating the same
06/2009
06/18/2009WO2003100250A3 Changing pitch of a propeller blade by bending
06/17/2009EP2069194A1 Propulsion unit comprising two coaxial contra-rotating propellers
06/17/2009EP2069193A2 Marine propulsion and constructional details thereof
06/10/2009EP2066559A1 Marine propulsion and constructional details thereof
06/10/2009EP2066558A2 Marine propulsion and constructional details thereof
06/10/2009DE102007059195A1 Special boat driving condition regulation and control system for e.g. flyboat, has control system performing optimized application in accordance with determined driving condition of boat, and called up automatically for each condition
06/04/2009WO2008032120A3 Marine propulsion and constructional details thereof
06/03/2009CN101445152A Control method and control system for a controllable pitch marine propeller
04/2009
04/29/2009EP2052965A2 Hydraulic adjustable propeller
04/29/2009CN101417701A Jack type blade pitch regulating mechanism and blade pitch regulating method
04/29/2009CN101417700A Gear drive type blade pitch regulating mechanism and blade pitch regulating method
04/22/2009EP2050670A2 Electrohydraulic propeller controller
04/01/2009CN101397052A Controllable pitch propeller unidirectional locking arrangement
03/2009
03/31/2009US7510377 Rotor aircraft tilting hub with reduced drag rotor head and mast
03/19/2009DE102008034752A1 Lösbare Kraft- und formschlüssige Verbindung von einem Grundkörper mit einem drehbar gelagerten Bauteil Releasable frictional and interlocking connection of a basic body with a rotatably mounted component
03/18/2009EP2036816A2 Detachable force-fit and form-fit connection of a grounding body with a rotatable component
03/04/2009CN101376429A Bidirectional locking arrangement of controllable pitch propeller
02/2009
02/25/2009EP2028099A1 Propulsion system with a controllable pitch propeller
02/25/2009CN201198369Y Adjustable propeller with novel oil pressure structure
02/04/2009CN100457547C Ship and use method thereof
01/2009
01/06/2009US7473076 Control method and control system for a controllable pitch marine propeller
01/06/2009US7472436 Animal-shaped sleeping area for children
12/2008
12/31/2008WO2009002265A1 Boat propeller having adjustable surface cutting propeller blades
12/31/2008CN101332869A Control method and control system for a controllable pitch marine propeller
12/17/2008CN101326098A Hybrid propulsion system for a watercraft
12/10/2008CN101318547A Variable-pitch propelling plant of underwater moving body
11/2008
11/27/2008US20080292462 Device for the adjustment of the pitch of a motor blade of a wind turbine
11/13/2008WO2008079553B1 Oscillating windmill
11/12/2008CN201148208Y Bidirectional locking arrangement of controllable pitch propeller
11/05/2008CN100430293C Shock absorber for pitch-adjustable propeller with feathering blades, particularly for sailers
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