Patents for B63H 3 - Propeller-blade pitch changing (787)
02/2015
02/05/2015US20150037152 Mechanically-Adjustable Pitch Propeller
02/04/2015EP2832633A1 Mechanically-adjustable pitch propeller
01/2015
01/07/2015EP2821344A1 Rotor drive system
12/2014
12/24/2014CN104245501A 可变螺距螺旋桨的驱动装置、螺距角控制方法以及包括该驱动装置的船舶 Variable pitch propeller drive, pitch angle control method and include ship the drive unit
12/24/2014CN104229110A 船舶推进系统 Ship propulsion system
12/18/2014US20140370764 Control apparatus for boat
10/2014
10/09/2014US20140301843 Feathering propeller with adjustable abutment
10/02/2014US20140291079 Device for preventing a shaft rotation
09/2014
09/24/2014EP2781449A1 Mechanically driven hubless ship propeller
09/18/2014WO2014141902A1 Ship
09/18/2014US20140271189 Marine Drive System and Method
09/16/2014US8834119 Device with counter-rotating propellers having a propeller pitch altering means
09/16/2014US8834118 Link pin exchanging device for wind turbine generator and link pin exchanging method
07/2014
07/30/2014CN103953593A 用于船舶可调螺距侧推液压控制装置 Controllable pitch thrusters for ship hydraulic control device
07/23/2014CN203730461U 调距桨油缸双向锁止机构 CPP cylinder two-way locking mechanism
07/16/2014CN103921920A 主机带发电机组的螺旋桨螺距二次匹配计算方法 Host with the secondary turbine propeller pitch matching calculation method
07/15/2014US8777575 Method and arrangement for propeller pitch control
07/08/2014US8774949 Hybrid intelligent control method and system for power generating apparatuses
07/03/2014WO2014102559A1 Propeller and relative method for fine adjusting the fluid dynamic pitch of the propeller blades
06/2014
06/25/2014CN102224069B 可调螺距螺旋桨装置以及分配流体到这种可调螺距螺旋桨装置和/或从这种可调螺距螺旋桨装置分配流体的方法 Adjustable propeller device and dispensing fluid to this adjustable propeller apparatus and / or methods from this adjustable propeller fluid distribution apparatus
05/2014
05/28/2014EP2734438A1 Feathering propeller with adjustable abutment
05/27/2014US8734109 Foldable electric fan
05/14/2014CN103786855A 装有可调距螺旋桨的喷水推进器装置 With adjustable pitch propeller jet propulsion device of
04/2014
04/24/2014WO2014060994A1 Propulsion system for vessels
04/23/2014EP2722272A1 Hydrogen device for sailing boats
04/23/2014CN203558197U Pitch-adjustable full-revolving propeller used for ship
04/23/2014CN102501956B Integral propeller hub body of marine propeller
04/17/2014WO2012047753A3 Auxiliary marine vessel propulsion system
04/16/2014EP2718178A1 Drives for propulsion of marine vessels
04/09/2014EP2714508A1 Boat propeller with means for keeping an assembled position thereof
04/01/2014US8684693 Device for adjusting the angle of attack of a rotor blade of a wind power plant
03/2014
03/19/2014CN102248996B Adjustable pitch propeller oil distributor with linear feedbacks
03/05/2014CN203461075U Marine adjustable-pitch all-direction blade pitch feedback mechanism
03/05/2014CN103612735A Propeller device with adjustable pitch
02/2014
02/25/2014CA2518080C Adaptive compliant wing and rotor system
02/12/2014CN102556312B Screw pitch feedback rod device for adjustable-pitch full-rotation propeller
02/12/2014CN102530214B Hydraulic device for adjustable-pitch propeller with shaft-type oil distributor
02/12/2014CN102180251B Adjustable propeller hub for ship thruster
02/11/2014US8649911 System and method for operating a wind farm under high wind speed conditions
01/2014
01/29/2014CN203410618U Controllable pitch propeller for ship
01/29/2014CN102333694B Device with counter-rotating propellers having a means for changing the pitch of the propellers
01/01/2014CN103482047A Four-blade propeller with separated blades and pitch capable of being adjusted finely
12/2013
12/17/2013US8608440 Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine
12/05/2013DE102012208958A1 Schiffspropeller Ship propeller
12/04/2013EP2669182A2 Marine propeller with blades with individually controllable pitch
12/04/2013CN103419919A Longitudinally-inclined propeller distance-adjusting device
12/03/2013US8596975 Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine
11/2013
11/27/2013CN103407564A Marine adjustable-pitch all-direction blade pitch feedback mechanism
11/27/2013CN103407563A Marine adjustable-pitch all-direction propeller
10/2013
10/29/2013US8568098 Pitch drive apparatus of wind generator and wind generator
10/17/2013US20130272881 Flexible propeller and uses for small vessels
10/16/2013CN102417024B Compact guide frame for ship propeller
09/2013
09/25/2013CN103318395A Lateral thrust unit of ship
09/19/2013WO2013135417A1 Propeller for a turbomachine or for a ship
09/17/2013US8535007 Hydraulic actuator locking device
09/11/2013CN203186569U Rudder propeller device with adjustable pitch
09/11/2013CN103287561A Controllable-pitch propeller controlled by digital signal
09/03/2013US8527247 Nonlinear power flow feedback control for improved stability and performance of airfoil sections
08/2013
08/27/2013US8517683 Marine propeller pitch adjustment means
08/14/2013EP2625094A1 Three wing, six tilt-propulsion unit, vtol aircraft
08/14/2013CN103241355A Load protection method and device for controllable-pitch propeller driving diesel
07/2013
07/31/2013CN203094424U Rim type differential motion end face tooth distance regulating propelling device
07/31/2013CN103228532A Feathering propeller with blade dampening at forward and backward motion and blades pitch control during backward motion
07/10/2013CN103192976A Adjustable pitch type rudder propeller device
07/09/2013US8480367 Yawing system for a wind turbine
07/03/2013CN103185141A Sealing device for hub of pitch-controllable propeller
07/03/2013CN103183124A Controllable-pitch propeller with positioning mechanism
07/03/2013CN103183123A Sealing device for blade of controllable-pitch propeller
06/2013
06/26/2013EP2605958A1 Variable-pitch propeller or repeller
06/18/2013US8465257 Variable pitch propeller
05/2013
05/28/2013US8450872 Vertical wind power generator with automatically unstretchable blades
05/28/2013US8449256 Variable-pitch propeller
05/22/2013EP2593359A1 Feathering propeller with blade dampening at forward and backward motion and blades pitch control during backward motion
05/14/2013US8439640 Propeller blade pitch control system
05/01/2013CN101479151B Adjusting apparatus and method for adjusting the pitch angle of propeller blades, and control apparatus of the adjusting apparatus
04/2013
04/17/2013CN103043199A Flange differential motion end face gear distance adjusting propelling device
04/10/2013CN103038130A Variable-pitch propeller or repeller
03/2013
03/27/2013CN202828062U Split type shafting oil distributor
03/27/2013CN202828061U Feathering propeller hub structure applied to ship propulsion
03/27/2013CN202828060U Mechanical type distance adjusting mechanism
03/27/2013CN202828059U Feedback device applied to feathering structure
03/19/2013US8398373 Wind turbine blade pitch-control system, and wind turbine rotor and wind turbine generator provided with the same
03/14/2013WO2013034972A1 Nautical propeller with automatic adjustment of blades pitch in relation to its rotation speed
03/14/2013WO2013034946A1 Propeller with automatic adjustment of blades pitch in relation to its rotation speed
03/12/2013US8393924 Watercraft control system
03/06/2013CN202765274U Feedback mechanism of side thruster
02/2013
02/13/2013CN102923287A Full circle swinging propeller hydraulic distance-adjusting mechanism
02/12/2013US8371813 Blade pitch controlling apparatus and application thereof
01/2013
01/24/2013WO2013011338A1 Feathering propeller with adjustable abutment
01/16/2013CN202670082U Ship side pushing device
01/15/2013US8353667 Method and apparatus for adjusting a yaw angle of a wind turbine
01/09/2013CN102862669A Mechanical distance-regulating mechanism
01/08/2013US8348617 Method for the emergency braking of a wind power plant and a wind power plant with a rotor blade pitch control for emergency braking
01/01/2013US8342808 Cooling fan
12/2012
12/26/2012CN102837814A Propeller variable pitch dial
12/13/2012WO2012168767A1 Drives for propulsion of marine vessels
12/11/2012US8328514 System and methods for determining a monitor set point limit for a wind turbine
12/04/2012US8323063 Watercraft drive
11/2012
11/29/2012WO2012160404A1 Boat propeller with means for keeping an assembled position thereof
11/21/2012CN202541816U Controllable-pitch propeller controlled by adopting digital signals
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