Title:
Triblade
United States Patent D822602


Inventors:
Berthilsson, Rikard (Lund, SE)
Application Number:
29/562777
Publication Date:
07/10/2018
Filing Date:
04/28/2016
Assignee:
Winfoor AB (Lund, SE)
Primary Class:
International Classes:
(IPC1-7): 1301
Field of Search:
D13/115, D13/112, D13/114
View Patent Images:
US Patent References:
D782416Vertical wind power generatorMarch, 2017PaulinD13/115
9169830Rotor blade de-icingOctober, 2015Weitkamp
9103321On or off grid vertical axis wind turbine and self contained rapid deployment autonomous battlefield robot recharging and forward operating base horizontal axis wind turbineAugust, 2015Bardia
D722965Vertical axis helical wind turbineFebruary, 2015PerlessD13/115
D715736Electric power generating deviceOctober, 2014GongD13/112
D716228Wind turbineOctober, 2014McCamleyD13/115
20120027608Rotor Blade Section and Method for Assembling a Rotor Blade for a Wind TurbineFebruary, 2012Martinez
D511495Wind power generatorNovember, 2005OkuboD13/115
5161952Dual-plane blade construction for horizontal axis wind turbine rotorsNovember, 1992Eggers, Jr.
4295790Blade structure for use in a windmillOctober, 1981Eggert, Jr.
4081221Tripod bladed wind turbineMarch, 1978Andrews
1820529Wind motorAugust, 1931Darrieus



Foreign References:
DE102009040515March, 2011Rotor blade for three-wing wind turbine of wind power plant, has hollow profile reinforced so that bending-, shear- and torsion-resistant cell is formed between transverse grids, where cell causes local and global reinforcements of blade
EP0064742November, 1982ROTOR FOR A WIND POWER STATION
EP0274777July, 1988PROFILED WING WITH CONTROLLED DEFORMATION, AND ITS USE IN PARTICULAR IN FLAPPING-WING AIRCRAFT
EP2006537December, 2008Blade for a horizontal-axis wind generator
WO/2007/045244April, 2007BLADE FOR A WIND TURBINE ROTOR
WO/2011/053177May, 2011PROCEDURE AND CONSTRUCTIVE SOLUTION FOR TWIN BLADES USED IN LARGE DIAMETER WIND TURBINES
WO/2014/006542January, 2014TURBINE ARRANGEMENT
Other References:
International Search Report dated Jan. 22, 2016, issued in corresponding International Application No. PCT/SE2015/050992, filed Sep. 23, 2015, 5 pages.
Primary Examiner:
Bui, Daniel D.
Assistant Examiner:
Kerr, Andrew
Attorney, Agent or Firm:
Christensen O'Connor Johnson Kindness PLLC
Claims:
CLAIM

1. The ornamental design for a triblade, as shown and described.

Description:

FIG. 1 is a perspective view of a triblade showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The broken lines in FIGS. 1-7 depict unclaimed environmental subject matter and form no part of the claimed design.