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WO2007013998A2 - Appareil et procede de production d'electricite pour plate-forme hydraulique - Google Patents

Appareil et procede de production d'electricite pour plate-forme hydraulique Download PDF

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Publication number
WO2007013998A2
WO2007013998A2 PCT/US2006/028295 US2006028295W WO2007013998A2 WO 2007013998 A2 WO2007013998 A2 WO 2007013998A2 US 2006028295 W US2006028295 W US 2006028295W WO 2007013998 A2 WO2007013998 A2 WO 2007013998A2
Authority
WO
WIPO (PCT)
Prior art keywords
generator
roadbed
cylinder
collector
piston
Prior art date
Application number
PCT/US2006/028295
Other languages
English (en)
Other versions
WO2007013998A3 (fr
Inventor
Sarah Adair
Original Assignee
Sarah Adair
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sarah Adair filed Critical Sarah Adair
Publication of WO2007013998A2 publication Critical patent/WO2007013998A2/fr
Publication of WO2007013998A3 publication Critical patent/WO2007013998A3/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F11/00—Road engineering aspects of Embedding pads or other sensitive devices in paving or other road surfaces, e.g. traffic detectors, vehicle-operated pressure-sensitive actuators, devices for monitoring atmospheric or road conditions

Definitions

  • This invention relates generally to apparatus and methods for generating electricity and, more specifically, to apparatus and methods for generating electricity using hydraulic generators.
  • auxiliary systems associated with the roadways require electrical energy to operate.
  • many lighting systems are involved, such as street lights, semaphores, warning lights, construction lights, and the like.
  • Other auxiliary systems are services that are " such as emergency telephones, rest areas, weigh stations, and customs inspection stations at State and international borders.
  • the present invention comprises a roadbed generator for generating electricity from the kinetic energy of vehicles on a roadway.
  • a roadbed generator provides a roadbed collector positioned within a roadbed.
  • the roadbed collector typically mechanically collects kinetic energy from passing vehicles and transfers the kinetic energy to a generator.
  • the generator converts the kinetic energy to electrical energy, which is then collected and passed to a load, such as a lighting system, emergency radio, or a power grid.
  • the roadbed collector is a piston positioned below a hinged surface plate that directly engages passing vehicles.
  • the surface plate typically forms part of the surface of the roadbed and the hinged edge is typically maintained flush with the surface of the roadbed.
  • a cylinder receives a portion of the piston, such that as passing vehicles drive the plate and piston down, hydraulic fluid is driven from the cylinder and through ⁇ TiydrMlic ⁇ gdridrafiStf ⁇ hereby creating electricity. The electricity is then collected and passed to a load.
  • a return spring coupled to the surface plate forces the surface plate upward after a vehicle has passed on in preparation for engaging another vehicle.
  • an expansion tank having a spring-loaded diaphragm collects hydraulic fluid and forces the fluid back into the cylinder after a vehicle passes. Thus, the piston 60 is forced upwardly to a position suitable for engaging another vehicle.
  • both an expansion tank and a return spring are used to recover the surface plate and piston.
  • FIGURE 1 is a top schematic view of a highway having roadbed collectors, in accordance with the present invention.
  • FIGURE 2 is a side schematic view of a roadbed collector, in accordance with the present invention.
  • FIGURE 3 is a top schematic view of a roadbed collector and associated electrical elements, in accordance with the present invention.
  • FIGURE 4 is a schematic view of a hydraulic generator and associated fluid handling structures, in accordance with the present invention.
  • FIGURE 5 is side view of an alternative embodiment of roadbed collector, in accordance with the present invention.
  • FIGURE 6 is a process flow diagram of a general method for using a roadbed collector, in accordance with the present invention.
  • FIGURE 7 is a process flow diagram of a particular method for using a roadbed collector, in accordance with the present invention.
  • lf US ; ⁇ Sf 0 FKS-ME-Ms ⁇ a side schematic of the roadbed collector of FIGURE 1 in a sloped environment;
  • FIGURE 9 is a process flow diagram or a method for using a roadbed collector in a sloped environment.
  • a surface plate 40 mounts to the roadbed 20 by means of a hinge 50 and typically forms part of the surface over which the vehicles 10 drive.
  • the surface plate 40 and hinge 50 are typically formed of steel and have sufficient strength to withstand the impact of vehicles at high speeds.
  • the hinge 50 is typically positioned such that a vehicle will first encounter the hinged edge of the surface plate 40 and then the free end.
  • the hinge 50 and hinged edge of the surface plate 40 are typically flush with the surface of the roadbed 20.
  • a piston 60 is positioned below the surface plate 40 and is depressed by the surface plate 40 as vehicles are driven thereover.
  • a cylinder 70 receiving the piston 60 contains hydraulic fluid, or like fluid.
  • hydraulic fluid may be driven from the cylinder 70 through hydraulic lines 80 to a generator 90.
  • the generator 90 may derive electrical energy from the forced movement of the hydraulic fluid.
  • Hydraulic lines 80 may then carry the hydraulic fluid back to the cylinder 70 for another iteration of the process.
  • a ri. of the surface plate 40 to a position elevated above the roadbed 20 ready to be depressed by another passing vehicle.
  • the spring 100 may secure to the piston 60, forcing the piston 60 upward, which will in turn force the surface plate 40 upward to its original
  • the generators 90 may receive pressurized hydraulic fluid from multiple roadbed collectors 30 each with a corresponding piston 60 and cylinder 70. Check valves connecting each cylinder 70 to the generator 90 may ensure that backflow from one cylinder 70 to another does not occur.
  • Electrical cables 110 may couple multiple generators 90 to a collector 120.
  • the collector 120 may modulate the voltage from the various generators 90 to provide a substantially constant voltage output on an output line 130.
  • a load 140 may connect to the output line 130 and make use of the electrical energy.
  • the load 140 may be the electrical power grid of a city, traffic or street lights, an emergency satellite telephone, an emergency radio, or the like.
  • hydraulic fluid driven from the cylinder 70 by the piston 60 may pass through a check valve 200 permitting fluid flow only in direction 210 out of the cylinder 70.
  • the fluid may then pass by an expansion tank 220 before passing through the hydraulic generator 90.
  • a check valve 250 permitting fluid flow only in direction 210 may be interposed between the hydraulic generator 90 and cylinder 70 to ensure hydraulic fluid only flows in one direction through the hydraulic generator 90.
  • a vehicle may quickly drive over the surface plate 40 whereas the viscosity of the hydraulic fluid makes forcing the fluid through the generator 90 a much slower process. Accordingly, positioning the expansion tank 220 between the cylinder 70 and generator 90 enables the fluid to quickly flow into the expansion tank 220 from the cylinder 70 in response to a passing vehicle.
  • the diaphragm 230 and spring 240 may then fo ri rd l e"thfe
  • the spring 240 and diaphragm forcing fluid into the cylinder 70 may also serve to recover the piston 60 and surface plate 40, such that a return spring 100 is not needed.
  • a reservoir 400 may be interposed between the check valve 250 and the hydraulic generator 90.
  • the piston 60 may draw fluid from the reservoir 260 whereas the hydraulic generator 90 expels fluid into the reservoir 400.
  • the Piston 60 is typically in fluid communication with the lower portion of the reservoir 400 such that hydraulic fluid, rather than air will be drawn into the cylinder 70.
  • the surface plate 40 may be dome shaped to extract energy from traffic flowing in two different directions.
  • the surface plate 40, piston 60, cylinder 70 and return spring 100 may likewise be mounted in a ramp 300 to provide a self contained unit that may be positioned wherever needed, such as at a construction project on a remote section of highway.
  • the slope 310 of the ramps is only an example. Shallower slopes 310 may be used in applications where traffic is likely to be traveling at high speeds.
  • a method 350 may be used in conjunction with a roadbed collector 30.
  • the method 350 may include driving 360 a vehicle over a mechanical collector, such as the roadbed collector 30 described hereinabove.
  • Driving 360 the vehicle over the mechanical collector may be an inadvertent act of the driver who happens to drive over the mechanical collector.
  • driving 360 the vehicle over the mechanical collector may be intentional in order to generate electricity to operate an apparatus such as an emergency satellite telephone powered by the roadbed collector 30.
  • the method 350 may also include converting 370 mechanical to electrical energy.
  • Various conversion means are contemplated by the invention.
  • the surface plate 40 may be mechanically coupled to permanent magnets such that depression of t ⁇ ie"st ⁇ rfiE [ be"
  • the method 350 may include collecting 380 electrical energy.
  • the energy may be collected in a battery, high capacity capacitor, or the like.
  • collecting 380 electrical energy involves collecting energy from multiple roadbed collectors 30, which are not all simultaneously active. Accordingly, collecting 380 electrical energy may include blending the output of the various roadbed collectors 30 to provide a substantially constant voltage output.
  • the method 350 may include passing 390 electricity to a load, such as lighting systems or an electrical power grid. Passing 390 may take place substantially simultaneously with generation of the electricity or may be deferred.
  • the collecting step 380 may include storing the energy to be retrieved when it is needed.
  • a roadbed collector 30 may be coupled to an emergency radio or phone that is only occasionally used.
  • the method 350 may be embodied more specifically as a method 400.
  • the method 400 may include depressing 410 a surface plate 40 and piston 60, as by a vehicle driving thereover. Depressing 410 the pistion 60 leads to forcing 420 hydraulic fluid flow.
  • the method 400 may then include generating 430 electricity from the fluid flow, such as by a hydraulic generator 90. The electrical energy may then be collected 380 and passed 390 to a load as in the method 350 of FIGURE 6.
  • the method 400 may also include recovering 440 the piston 60 and surface plate 40. Recovering 440 typically includes forcing hydraulic fluid back into the cylinder 70 causing the piston 60 and surface plate 40 to move to their original position prior to passage of a vehicle thereover.
  • recovering 440 the piston may include moving the piston 60 and surface plate 40 upwardly by a return spring 100 that is compressed when the vehicle depresses the piston 60. As the then draw hydraulic fluid back into the cylinder 70 in preparation for another iteration of the method 400.
  • a roadbed collector 30 may be used to convert potential gravitational energy into electrical energy. As vehicles descend hills, gravity typically powers movement of the vehicle as opposed to the vehicle's engine. Accordingly, a roadbed collector 30 may be used to harvest a portion of the kinetic energy so generated as a clean source of energy.
  • the roadbed collector 30 may be mounted in a roadbed 20 having a downward slope 500.
  • the surface plate 40 may mount to the surface having its hinge 50 mounted uphill from the free end.
  • a lip 501 may be formed on or secured to the free end of the surface plate 40.
  • the lip 501 may serve to prevent tire damage to those driving over the free end of the surface plate 40 first, rather than the fixed end.
  • the lip 501 may be planar or arcuate having a radius of curvature approximating the distance between the fixed end of the surface plate 40 and the free end.
  • a process 510 may occur.
  • the process 510 may include converting 520 the potential gravitational energy of the vehicle to kinetic energy as the car moves down the slope under the influence of gravity.
  • the process 510 may then include converting 530 a portion of the kinetic energy to electrical energy by depressing the surface plate 40 and piston 60 and causing forced hydraulic fluid flow through the hydraulic generator 90 as illustrated in the process 400.
  • the electrical energy from the hydraulic generator may then be collected 380 and passed 390 to a load is in the methods 350 and 400 of FIGURES 6 and 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Control Of Eletrric Generators (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

Un générateur pour plate-forme comprend un collecteur pour plate-forme positionné dans une plate-forme. Le collecteur de plate-forme vient en contact de véhicules se croisant et collecte l'énergie cinétique desdits véhicules, laquelle est convertie en énergie électrique collectée et transmise à une charge pour être utilisée. Dans un mode de réalisation, un collecteur pour plate-forme est un piston positionné au-dessous d'une plaque superficielle articulée intégrée à la plate-forme. Le croisement des véhicules entraîne le déplacement de la plaque et du piston vers le bas dans un cylindre contenant un fluide hydraulique, ce qui permet de transporter le fluide hydraulique du cylindre jusqu'à un générateur hydraulique. Un ressort de rappel couplé à la plaque superficielle opère en relevant la plaque après le passage d'un véhicule. Dans certains modes de réalisation, un réservoir d'expansion placé entre le cylindre et le générateur sert à réacheminer le fluide dans le cylindre en provoquant le déplacement vertical du piston en prévision du passage d'un autre véhicule.
PCT/US2006/028295 2005-07-21 2006-07-21 Appareil et procede de production d'electricite pour plate-forme hydraulique WO2007013998A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/186,297 2005-07-21
US11/186,297 US20070020047A1 (en) 2005-07-21 2005-07-21 Hydraulic roadbed electricity generating apparatus and method

Publications (2)

Publication Number Publication Date
WO2007013998A2 true WO2007013998A2 (fr) 2007-02-01
WO2007013998A3 WO2007013998A3 (fr) 2009-04-23

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PCT/US2006/028295 WO2007013998A2 (fr) 2005-07-21 2006-07-21 Appareil et procede de production d'electricite pour plate-forme hydraulique

Country Status (2)

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US (1) US20070020047A1 (fr)
WO (1) WO2007013998A2 (fr)

Cited By (1)

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US10836245B1 (en) 2019-12-18 2020-11-17 John L. Adkins Hydraulic energy collection system

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CA2782019A1 (fr) * 2008-11-26 2010-06-03 Kinetic Energy Corporation Captage adaptatif de l'energie d'un vehicule
CA2786578A1 (fr) * 2009-01-09 2010-07-15 Kinetic Energy Corporation Chaussee routiere recuperant l'energie des vehicules
CA2788183A1 (fr) * 2009-01-27 2010-08-05 Kinetic Energy Corporation Detecteur de vitesse de vehicule pour systeme de production d'energie
WO2012009492A2 (fr) 2010-07-15 2012-01-19 Blue Wheel Technologies, Inc. Systèmes et procédés pour l'alimentation électrique d'un véhicule, et la génération et la distribution d'énergie sur une chaussée
WO2012158184A1 (fr) 2011-05-19 2012-11-22 Blue Wheel Technologies, Inc. Systèmes et procédés pour entraîner un véhicule
IN2013CH02505A (fr) * 2013-06-07 2015-10-02 C Kaarthik
WO2015112947A1 (fr) * 2014-01-27 2015-07-30 Alvino Frank J Système de production d'énergie électrique pour utilisation sur chaussée
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US11795925B2 (en) * 2021-10-08 2023-10-24 Stephen Michael Lamanna Roadway energy generation system

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Also Published As

Publication number Publication date
US20070020047A1 (en) 2007-01-25
WO2007013998A3 (fr) 2009-04-23

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