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Class Information
Number: 416/146A
Name: Fluid reaction surfaces (i.e., impellers) > Combined or convertible > Hub lubrication or seal
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8480362 Method for dynamically lubricating a wind turbine pitch blade bearing Jul. 9, 2013
8215912 Wind turbine generator Jul. 10, 2012
7745951 Wind turbine generator Jun. 29, 2010
7699584 Actuator for adjusting a rotor blade pitch angle Apr. 20, 2010
6280142 Pressure relief device for a propeller hub Aug. 28, 2001
6139272 Hydraulic machine Oct. 31, 2000
6123448 Agitator for fixing and/or conveying aggressive liquids and/or liquids containing solids or fibers Sep. 26, 2000
6065933 Folding rotor blade/propeller drive and pitch control actuator May. 23, 2000
6042337 Sealing system for a hydraulic machine Mar. 28, 2000
6015264 Preloaded retention assembly for aircraft propeller blade retention Jan. 18, 2000
5967753 Controllable-pitch propeller, especially for sport boats and other watercraft Oct. 19, 1999
5588798 Rotating machine part, in particular a rotor of a cycloid ship's propeller Dec. 31, 1996
4984968 Variable pitch propellers Jan. 15, 1991
4946410 Marine propulsion device with improved oil seal protection device Aug. 7, 1990
4886420 Protected flow meter rotor bearing Dec. 12, 1989
4824327 Gas turbine engine oil drain slot Apr. 25, 1989
4810166 Controllable pitch marine propeller Mar. 7, 1989
4743162 Fluid transfer seal for transferring fluid across a rotating boundary May. 10, 1988
4693672 Two level oil dam Sep. 15, 1987
4676758 Combined cutter and bypass for propeller Jun. 30, 1987
4668168 Lubricating and cooling rotary bearings of axial blowers May. 26, 1987
4619583 Wind turbine Oct. 28, 1986
4578040 Fish line entering prevention device for marine propeller Mar. 25, 1986
4545734 Axial flow machine, particularly a blower, with adjustable rotor blades Oct. 8, 1985
4510143 Antiallergic pyrimido[1,2-a]quinoxalin-2-carboxylic acid derivatives Apr. 9, 1985
4264277 Redundant rotor blade retention system Apr. 28, 1981
4219310 Construction of adjustable blade shaft bearing in axial-flow fan with adjustable blades Aug. 26, 1980
4218188 Axial fan Aug. 19, 1980
4215973 Axial fan Aug. 5, 1980
4131391 Rotor hub and oil seal Dec. 26, 1978
4088420 Wind electric plant May. 9, 1978
4050848 Hydro seal retainer Sep. 27, 1977
4046486 Lubrication of fan blade bearings Sep. 6, 1977
4021143 Marine propeller arrangement May. 3, 1977
3937300 Replaceable lubricating cartridge for spline connections Feb. 10, 1976
3937103 Flywheel arrangement for an electrical machine Feb. 10, 1976
3935704 Fan propulsor oil escapement means Feb. 3, 1976











 
 
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