JOHN C. WIRT
General Contractor in Saint Paul, MN
License number
New Mexico 25209901
Category
Contractor
Address
Address
PO Box 64670, Saint Paul, MN 55164
Phone
(612) 454-6750
Professional information
Wind Turbine Blade And Method For Manufacturing Thereof
US Patent:
2010013, Jun 3, 2010
Filed:
Oct 22, 2009
Appl. No.:
12/603667
Inventors:
John C. Wirt - Mendota Heights MN, US
Gregory T. Telesz - New Castle PA, US
Gregory T. Telesz - New Castle PA, US
International Classification:
F03D 1/06, B29C 70/70
US Classification:
416226, 156156, 156242
Abstract:
A wind turbine blade includes an upper shell with a first portion molded to a second portion by a seamless connection extending along at least a majority of the width of the upper shell. The wind turbine blade also includes a lower shell with a third portion molded to a fourth portion by a seamless connection extending along at least a majority of the width of the lower shell. The first, second, third and fourth portions are made of a fiber reinforced resin construction. A first insert is enveloped within the upper shell between the first portion and the second portion, the enveloped first insert defining a first spar portion. A second insert is enveloped within the lower shell between the third portion and the fourth portion, the enveloped second insert defining a second spar portion. The inserts defining a density lower than the density of the fiber reinforced resin material. The upper shell is bonded to the lower shell adjacent the right and left sides thereof. The first spar portion is also bonded to the second spar portion to form a reinforcement structure of the wind turbine blade.
Method And Apparatus For Molding Composite Articles
US Patent:
2008018, Aug 7, 2008
Filed:
Jan 18, 2008
Appl. No.:
12/009636
Inventors:
John Wirt - Mendota Heights MN, US
Jay Hood - Commerce OK, US
Jay Hood - Commerce OK, US
International Classification:
B29C 45/17
US Classification:
264241
Abstract:
A method of molding a composite article includes providing a first floating mold that has a fluid backing, wherein the fluid defining the fluid backing is stored in a fluid chamber positioned beneath the first floating mold, providing a second non-floating mold that does not include a fluid backing, and sealing the first floating mold to the second non-floating mold to define a molding chamber thereinbetween.
Method And Apparatus For Molding Composite Articles
US Patent:
2010032, Dec 30, 2010
Filed:
Aug 31, 2010
Appl. No.:
12/872918
Inventors:
John Wirt - Mendota Heights MN, US
Jay Hood - Commerce OK, US
Jay Hood - Commerce OK, US
Assignee:
VEC Industries, L.L.C. - Minneapolis MN
International Classification:
B29C 43/10
US Classification:
264570
Abstract:
A method of molding a composite article includes providing a first floating mold that has a fluid backing, wherein the fluid defining the fluid backing is stored in a fluid chamber positioned beneath the first floating mold, providing a second non-floating mold that does not include a fluid backing, and sealing the first floating mold to the second non-floating mold to define a molding chamber thereinbetween.