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The
© 2012; 2013 – P.M.Schmidt Last revised August 22, 2013
Schmidt Air Tower TM - PMS
THIS NEW TELESCOPING TOWER HAS A NUMBER OF ADVANTAGES OVER CONVENTIONAL TYPES, IN BOTH ONSHORE AND OFFSHORE APPLICATIONS …
Invented by: Phillip M. Schmidt, P.E.
Geneva, Ohio
Learn More About Them From This Presentation!!
Air Tower and Schmidt Air Tower are Trade Marks of P.M. Schmidt Phillip M Schmidt , PE © PMS-2011
Phone: (440) 466-6414 Cell: (440) 361-0728
[email protected] Image of turbine from Microsoft
Patents Pending – Patent Applications filed in United States and Canada. Patents Pending in United States and Canada
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The Schmidt Air Tower is a Fluid-Actuated Telescoping Wind Turbine Support Tower Pushed up by compressed air or water – no giant crane needed Can be utilized for both onshore and offshore turbines Sections bolt together -- but quicker options available (45 PSI INSIDE A 14-FT DIA TOWER LIFTS 445 US TONS!)
Ready to extend
First stage extended
Fully extended
Land or water
Phillip M Schmidt , PE © PMS-2011
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(7) Advantages, onshore and offshore
1. Large turbines can be erected without the use of a giant crane The nacelle, hub and blades are installed before the tower is extended, so they are lifted only one third as high as when installed on conventional towers. AND WHEN THESE COMPONENTS DON’T HAVE TO BE LIFTED SO HIGH, A SMALLER CRANE CAN BE USED! THIS CAN SAVE MORE THAN $200,000 PER TURBINE!! (Estimate is for Onshore Turbines) Phillip M Schmidt , PE © PMS-2011
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(7) Advantages, onshore and offshore (Cont)
2. Large turbines can be elevated to greater heights than possible when a giant crane is used to erect them When a giant crane is used to erect a large turbine, the height to which the turbine can be lifted is limited by the capacity of the crane. A FLUID-ACTUATED TELESCOPING TOWER CAN BE DESIGNED AND BUILT WITH LONGER, OR ADDITIONAL, TELESCOPING SECTIONS SO IT CAN PUSH THE TURBINE TO WHATEVER HEIGHT THE TOWER IS DESIGNED FOR! Phillip M Schmidt , PE © PMS-2011
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(7) Advantages, onshore and offshore (Cont)
3. Allows offshore turbines to operate at higher elevations where winds are stronger, and lowered for hurricanes As the height and diameter of an offshore tower increases, the tipping force applied to the tower by the wind also increases, even if the blades are feathered. If a tower is too tall the wind from a strong hurricane could destroy it, BUT... A TELESCOPING TOWER CAN BE LOWERED DOWN TO REDUCE THE TIPPING FORCE OF A HURRICANE AND THEN ELEVATED BACK TO ITS NORMAL HEIGHT AFTER THE STORM! Phillip M Schmidt , PE © PMS-2011
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(7) Advantages, onshore and offshore (Cont)
4. The cost of making major turbine repairs is greatly reduced If a turbine mounted on a conventional tower has to be brought back down to the ground or sea level for repair or replacement, it can only be done by bringing back the giant crane.
A TELESCOPING TOWER CAN BE LOWERED DOWN SO THE TURBINE CAN BE REMOVED WITH A MUCH SMALLER CRANE! Phillip M Schmidt , PE © PMS-2011
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(7) Advantages, onshore and offshore (Cont)
5. Telescoping towers are compatible with hybrid towers, various types of foundations and floating platforms. A telescoping tower’s ability to elevate large turbines to greater heights than a crane might be able to reach makes it ideal for use in hybrid towers – which are often used when operation at higher elevations is desired.
EXCEPT FOR THE FEATURES WHICH GIVE IT THE ABILITY TO TELESCOPE AND HOLD AIR PRESSURE, A TELESCOPING TOWER IS QUITE SIMILAR TO A CONVENTIONAL TOWER, AND IT CAN TYPICALLY BE USED INSTEAD. Phillip M Schmidt , PE © PMS-2011
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(7) Advantages, onshore and offshore (Cont)
6. The lifting capacity of a fluid-actuated telescoping tower increases as tower diameters increase. As offshore turbines grow larger and heavier, larger tower diameters are utilized to increase the tower’s strength without significantly increasing the wall thickness. FOR ANY SPECIFIC INTERNAL PRESSURE, THE LIFTING FORCE OF A FLUID-ACTUATED TELESCOPING TOWER INCREASES IN PROPORTION TO THE SQUARE OF THE DIAMETER ! Phillip M Schmidt , PE © PMS-2011
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(7) Advantages, onshore and offshore (Cont)
7. A small number of turbines can be erected more economically, especially on land in rough terrain situations It is an expensive undertaking to bring a giant crane to where turbines are to be erected, even when the turbines are offshore and floating or jack-up type cranes are used. IF ONLY A FEW TURBINES ARE TO BE ERECTED ON ROUGH TERRAIN AND A GIANT CRANE HAS TO BE USED, THE COSTS ASSOCIATED WITH THE CRANE CAN BE SO GREAT THAT THE PROJECT IS NEVER UNDERTAKEN. Phillip M Schmidt , PE © PMS-2011
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Offshore Applications: (No giant barge crane required) Fig 4 – Offshore Applications 1. Float, or barge, pre-stacked (or individual) sections to installation site 2. Tip up and lower into place by partially flooding interior of tower 3. Secure to previously constructed foundation 4. Pour concrete around lower section of tower, if needed 5. Pump out, install electrical cabinets, nacelle, hub and blades 6. Pump compressed air in to extend, then secure an (water can be used instead – install electricals after) Can also improve floating platforms typically used or proposed for deep water offshore wind farms. Ice Breaking Cone
Phillip M Schmidt , PE © PMS-2011
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Simplified cross-sectional view showing tower walls, connecting flanges and bolts
Fig 2 Phillip M Schmidt , PE © PMS-2011
(Note: Inside and outside surfaces of tower sections are not fully machined, and compressed air is typically injected through an opening in floor or foundation) . Patents Pending in United States and Canada
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Drawing Showing Key Features of New Tower (Note: This view shows a tower segment with an extended section and second flange for greater tipping stability; also a flap seal) Phillip M Schmidt , PE © PMS-2011
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A new “Giant” crane that is similar in construction to a telescoping fluid-actuated wind tower :
Grove Company’s GTK1100 Telescoping Tower Crane (Not air-actuated) NOTE: This crane is very similar in how its main mast is a ROUND TELESCOPING STRUCTURE, and when it extends upward there are no external wires, etc. giving it lateral stability. All crane photos in this slide series from: http://www.roadtransport.com/blogs/big-lorry-blog Phillip M Schmidt , PE © PMS-2011
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CRANE PARTIALLY EXTENDED NOTE:
The “guy-bars” are rigid bars, not cables, and rigid bars cannot be carefully unwound and kept fairly tight as the crane is telescoped and extended upward. The guy-bars as shown in this picture are loose and therefore not providing any sideways stability to the crane as it is extended upward.
Phillip M Schmidt , PE © PMS-2011
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CRANE FULLY EXTENDED AND IN USE NOTE: The crane is at its full height
230 ft tower
and the guy-bars are now tight. The “guy bars” are only to stabilize the crane while it performs the heavy lifting operations! This telescoping crane therefore kept itself going straight up until it reached its full height without any external support being required.
(70 m) Nacelle: Appx 80 tons
Appx 270 ft and 14 ft dia
Blades add appx 60 tons
3 Sections 50 to 70 tons (each)
A FLUID -ACTUATED TELESCOPING WIND TOWER WOULD BE ABLE TO DO THE SAME! Phillip M Schmidt , PE © PMS-2011
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General note regarding tower internals:
The components typically installed in a wind tower can all be designed with relatively minimal changes so they will fit and function within a fluid-actuated tower. Instead of being attached to the tower walls the cabinets, air conditioning elements and walkways can be attached to a centrally located frame with the walkways folding down into place; ladders can telescope; and work platforms can either be eliminated due to unique nut and bolt configuration, or designed to hang (along with the power cables) inside the upper tower section and then lowered and secured after tower is extended. Phillip M Schmidt , PE © PMS-2011
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Example – arrangement of tower internals:
Phillip M Schmidt , PE © PMS-2011
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Inventor’s Background and Qualifications •Graduate P.E. (OSU-BSWE) with 40 yrs relevant experience in engineering and business management •Has twice demonstrated ability to conceive, design and develop industry changing ideas: B&W (NASA Space Shuttle) and GD EB Div (Hull Fabrication)
•Has worked in five of the largest corporations in the USA; owned and operated steel fabricating business for over 20 years; welding engineering consultant. •Hard worker, deeply committed and involved in Ashtabula County and NE OH area Phillip M Schmidt , PE © PMS-2011
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Inventor’s Qualifications – Experience with Similar Products
Lead Tooling Engineer ASRM Rocket Motor Cases
14-ft dia x 126 ft long
98,000 lbs
Phillip M Schmidt , PE © PMS-2011
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Inventor’s Qualifications – Engineering Ability ASRM Rocket Motor - Lead Tooling Engineer
•Designed & Built $6M Tools •Done on time, per budget
15,000 Lb. Round-Out Tool For Use In Manufacturing Booster Rocket Motor Cases For NASA’s Space Shuttle – Conceived and developed under direction of P. M. Schmidt, P.E. while employed by the Babcock & Wilcox Company. Phillip M Schmidt , PE © PMS-2011
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Inventor’s Qualifications – Engineering Ability • Met all performance expectations Tooling rounded parts out in 6 work-hrs vs previous 6 work days
Phillip M Schmidt , PE © PMS-2011
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Inventor’s Qualifications – Engineering Ability Nuclear Submarine Pressure Hulls • Conducted study of hull fabrication methods and tooling; recommended new approach that was basis for $25 million shipyard modernization.
Bigger than wind towers Over 40 ft Dia x over 400 ft long Roundness and quality critical
This work is in the public domain in the United States because it is a work of the United States Federal Government Phillip M Schmidt , PE © PMS-2011
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To help ensure the growth and greater utilization of wind energy and to help the NE Ohio Area PLEASE SUPPORT THE DEVELOPMENT OF THIS NEW TYPE OF WIND TOWER!
Thank you!! See following slide for inventor contact information Phillip M Schmidt , PE © PMS-2011
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Inventor Contact Information: Phillip M. Schmidt, P.E. 6297 N. Ridge Rd, West Geneva, Ohio 44041 Phone: (440) 466-6414 Cell: (440) 361-0728 e-mail:
[email protected] U.S. and Canadian Patents Pending: Filed By: Tucker Ellis and West, LLP
Phillip M Schmidt , PE © PMS-2011
Patents Pending in United States and Canada
