Download - Prior Art Sea Sleeve 2018

PriorArt–01/08/2018

PriorArt-SeaPistonMaximumWaveEnergyEnabler2018Description:Thisinventionrelatestoadeviceforenablingmaximumenergygenerationfromapistonthatuseswaveenergyortidalrangetogenerateenergy.TheInnovation:TheInnovationisanadaptationthatextendsthedeviceabovethewater.Forexampleatidalrangeof10metreswouldbeaheightofapproximately//::

1. Internalsleeveat10metresforthetide2. Plusanamounttoaccountforvariablewaves,(letssay1metre,soaminimumof11

metres),HOWEVER,3. Thefloatoroutersleevewillneedtocovertheinnersleeveandnotfloataway,soadd

‘mooring’ofanother9metres,totalheightoftheinnersleevewillbe20metres.4. Theoutersleevewillneedtobeatleast21metres.Theoutersleevemustcoverthe

innersleevewhenthetideisout.5. Further,iftheenergyproducingmechanismisunderwatersurfacethennofurther

heightmaybeneeded.However,wheremechanismssuchaspumpsorgeneratorsareabovethewatersurfacethentheheightofsuchmechanismsmustbeaddedtothestructure.

6. So,calculationofheightofstructureplus3metregeneratorwillbeasfollows:7. Forthisexample:Tidalrange10m+Variablewaves1m+Mooring9m+Generator3m=

Totalheightof23metres.8. TheOuterSleeveorfloatmayalsobeattachedtotheInnerSleevesothatapumpaction

canbeachieved,thiswillmaketheconversionofOceanEnergyintoLinearEnergy.9. However,becauseofthemooringheightattachmentmaynotbenecessaryandsothe

adaptationallowsusbothtoattachtheinnerandoutersleevestogetherortohavethechoiceofnophysicalattachmentthatallowstheoutersleevetoactasafreefloating‘plunger’whiletheInnerSleevehousesapistonandeitherfixedtotheOceanFlooror(neutrallyfloatingatdeepsea).

10. Variousshapescanbeusedandthedevicecanbeusedinanydepthofwater,onthebeach(awaitingtide)onrocks,closetoshoreordeepsea.


FactsofWaveEnergyConvertersWhengeneratingenergythroughtidalrangeorwavesafloatissometimesusedtooperateapistontransferringeratic/variableenergyintolinearenergy.However,theuseof‘conventionalfloatsystems’leadtoanumberofdifficulties.Thecollectionoftheavailablewave/tidalenergycanbeineffectiveinanumberofways,asdesignsarenotrobustenouhforsaltwater,donotfloatforthefulltidalrangeorgenerate‘maximumefficiency’oraccountforarchimedesprinciplesinnovelunisonways.Thishasledtocrudefloatingmechanismstryingtocapturesurfacemovementeitheratsea(frompurposebuiltbarges)orfromtheshoreline(attachedtoland).Anothersystemusesafloatattachedtoasystemthatmovesupanddownwithwaveshowever,thisdoesn’ttakeadvantageofthefullavailableenergyas,therangeofmovementislimitedbythefloatbeingabovethepistonmeaningadvantagefortidalrangeapplicationisminimalorcompletelylostrevertingtoenergycollectedbythefloatbobbingupanddownonthewavesmuchlikea‘buoy”.Toovercometheseproblemsthepresentinventionproposesanattachmentthatenablesthefullmovementofapistonfromseabedtocrestofawaveby“fullyencompassingthepistoninaseriesofcylindricalpistonsortubes,sleevesorpipesthatworkinunisonwiththeriseandfallofthetide,thebobbingofthewavesandthemotionofthepiston”.Thedeviceattachmentisattachedtothepistonusingaseriesofcylindericalpistonsorfloats,vesselsthatarestrategicallyplacedtoaccountforlocalvariables.EG,attachingafloattothebottomormiddleoftheattachmentwillenablethefulltidalrangetobeutilisedorhalfthetidalrangetobeutilised.Thismeansthefulltidalrangecanbeutilisedifdesiredoronlythewaveenergyifpreferred.Asurfacepart,(float,vessel)willhouseattachmenttothepiston.Thiscanbeonadomesticscaleorindustrialscale,fromametrediametertoa1000lborsizedtosuitlocalconditionsorneeds.Thevesselmaybesufficienttohouseanyotherperipheralmachineryorsupportequipmentsuchasturbine,storage,orevenaccomodationetc.Thisthengenerateslinearmovementthatcanbetransferredascompressedairforcontinuousturbinepropulsionorotherenergyproduction.Theinventionworksbyallowingknowntidalrangeenergytobeutilisedaswellasthecollectionofthemorevariableintermittentwaveenergy.1.TheinventioncanbeutilisedeitherfixedtotheseabedforexamplenearertotheshorelineorindeepseausingArchimedesPrinciples.(ArchimedesPrincipleexample)wherethesystemofattachmentsintwopartsarebothnegativelyfloating(justaboutfloatingorsinking)andpositivelyfloating(thatis,willlalwaysfloat).Thenegative/positivewaterdisplacementwillallowforthesystemtooperate,muchlikeanoilrigmaintainsoceanstability.Theattachmentmeansanyseamovementwillbringaboutoperationofthepiston.Theattachmentwillalwaysmaximisetheavailableenergyunlessthepreferreddesigntakesaccountofthelocalconditions.Theattachmentwillmovefreelywiththewavesorthetidalrangetooperatethepiston.

• Theattachmentmeansthefulltidalrangecanbeutilised• Theattchmentmeansvariablewaveenergycanbecollected• Limitedenergystoragecanbecreatedonthevessel• Turbinecanbehousedonthevessel• Accomodationcanbecreatedonthevessel(dependingonscale)• Theattachmentcanbescaleddependingonrequirements,shorebased,deepsea,tidal

range,wavesizeetc.• Theattachmentmeansmaximumenergyproductionatalltimes

Theinventionwillnowbedescribedsolelybywayofexampleandwithreferencetotheaccompanyingdrawings:


NB:ThedrawingFig1to5showsthepistonpushingdownwardbutthiscouldbereversedandthepistonpushingupwards.Figure1:Showstheattachmentfittedtoabouyantvesselandinnercylinder/pistonatlowtide.Theparthighlightedinyellowmovesupanddownwiththetidalrangeandatfulltidewillmoveupanddownwiththewavemovement.Theupanddownmovementwilloperatethepistonandgeneratecompressedair.ThisisachievedbyattachingtheOuteryellowbouyantvesseltotheInnergreycylinder,thisisinturnattachedtothepiston.Theblackandbrownpartsarecontainingthemechanismprovidingprotection,securingandbouyancyifrequired.Figure2:Showsanexampleoftheattachmentattheshorelineathightide.Thisdemonstratesthepiston(red)beingdrawnupwardsbytheattachment(grey)andtheovereachingvessel(yellow).Whenathightidepartoftheattachmentmaybeabovethemaximumknowntidalrangetopreventwaterdamage,howeverthiswillalsobesealedasappropriate.Figure3:Showsadesignexampleofthepistoncompletelyonthesurface.Figure4:Showsanexmpleoftheattachmentatdeepsea.Theyellowvesselwillbecontinuallyfloatingwhereasthepartthatisblackandbrownwillbealmostsinkingandtherebyhavinganegativeeffectonthefloatingpartandcreatingverticalmovement.Figure5:LineDrawing.Thisdemonstratestheattachmentattachedtoatubetodrviethepiston.Aseriesoftubesalsoprotecttheinternalenvironment.Thisfigureisengineereddownandexcludesthehousingprotectionthatmaybeaffordedtointernalworkingsandaccomodationetc.Figure1LowTide


Figure2HighTide

Figure1&2–Thisisattachedtotheseabed.1showslowtide,2showsvesselathightide.Thiscreatesapumpingactionasshownbytheopeningandclosingofthevoidareabetweentheyellow–brownandblackcomponents.


Figure3–SurfacePiston

Figure4–DeepSea,UsingArchimedesPrinciples.Maybetetheredorcontainedwithinpurposebuiltunitsorblockstomeetlocalisedconditionsanddemand. Fig5


Key:

v Attachment,Vessel,Bouyant.v Outercylinder,tube,pipeorsleeve.v Midcylinder,tube,pipeorsleeve.v Innercylinder,tube,pipeorsleeve.(Fixed)v Pistonv Oceanv Otherexamples:Turbine,Airoutfrompiston,Ballonstorageforcompressedair,powercableoutput.

NarrativeFigure1&2Infigure1thevesselisshowninarestingpositionontheseabed(yellow).Thisvesselisshowninfigure2havingbeenelevatedbythetidalrange.Thevesselalwaysfloatsontheseasurface.Whereastheinnersleevesarefixedtotheseabed(brownpartasillustrated).Theblackpartcontainsthecompressedpiston(shownred)andprotectsthepistonfromsaltwater.Figure2showsthepistonextended.Thepistonmaybedesignedtobeunderwateroronthesurface(fig3)andtheheightofthestructurewillvaryaccordingtolocalisedconditionsandpurpose.Itmayconsideraminimumheightofthestructuretobetwicetheriseandfallofthetidepluswaveheight.Themaximumheightofthestructurewithallpartsabovethewaterwillbeapproximately3timestheheightoftheriseandfallofthetideplusthewaveheight.Therefore,whereariseandfallis10metresandthepiston(10m)isabovethesurfacethenallow10mforthepistonextensionandthistotalwillbe30m(3timesthetidalriseandfall).Wherewavesadd3mheightthenthismustbeaddedtothestructureheighttopreventoverstretchingthepistonandcausingirrepairableorcostlydamage.Thepistonwillgeneratecompressedairandthecompressedairwillturnaturbine(shownasXwithinO).Aspartofthisdesignthevesselcanhousetheturbineandanystorageofcompressedairisproposedtobecontainedwithinballoons(shownasblue/blackcircles)orbottlesthatwillincreaseairflowandturbineoutputcapacityattimesofhighdemand.Thepipes,sleevesortubesmaybeattachedatthetopwithfixedorrigiddesignsorwithballjointdesignsasrequiredbylocalisedconditions.(Egtheheaviertheseathenthemorerobustthedesign.Insummary,wehaveaseriesofexternalsliderpiston,afixedpistonandaninternalpiston/pump(thesearepipes,sleevesortubes)thatmoveindependentlywiththeseaactingasthedrivingforce,thisactionwilloperateapumptypepistonthatgeneratescompressedair(thatmaybestoredinballoons/bottles)andthisturnsaturbinetogenerateelectricity.Figure3–SurfacedpistonWithasurfacepistontheheightofthestructuremustbeincreasedorthediameterofthestructureincreased.Figure4Figure4showsafurthervariationofdesignindevelopingthepotentialfordeep-seaoperations.ThiswillinvolvethenormallyfixedpartoftheinnovationhavinganegativewaterdisplacementwithintheArchimedesprinciplewhereasthevesselcomponentwillhaveapositivewaterdisplaecmentwithintheArchimedesprinciple.Thus,brownpartwillalwaysbealmostsinking


whereastheyellowpartwillbealwaysfloatingandthiscreatesapistonactionthatcantakeadvantageof80footwavesforexample.Figure5Figure4isalinedrawingthatdemonstrates:

a) Tidalriseandfallofthesea.b) Fixtotheseabedc) Actionoftheoutersleeve,piston,pipe,vessel.d) Innerpistonmotione) Showsthepistonsuspendedatlowtide.

ConstructionMaterialsExample:Constructionmaterialswillvaryforlocalisedconditions,designanduse.Thiswillincludeconcreteforshorelineuse.Thematerialsforinnercomponentscanbesteel.Thevesselcanbesteelormixofinjectionmoulding(likeaboat)andplasticbouyantmaterialstobothprotectinnerworkingsandassistthebouyancytomaximiseenergyproduction.FurtherThisistheviewduringthetidalrange.Thefloatwillalsooperateinthewaves.Asthedrawingbelowfig6demonstratesthedevicecanberestinginshallowwateruntilthetidecomesin.Orthedevicecanbecontinuallyindeeperwaters.

ThisisthepatentapplicationfortheSeaSleeveWEC.


ThedrawingFig1to5showsthepistonpushingdownwardbutthiscouldbereversedandthepistonpushingupwards.Also,allofthemechanismcanbeabovethesurfaceofthewaterwithonlysupportunderwater,(asinfig5).Inshallowwaterssupportwillprobablybeasolidpillarwhereasindeeperwaterachainmaybemoresuitableandifthisisthecasethenthebottompartattachedthechainandseabedwouldneedtobebuoyant.Energywillbetransferredthroughthecentreofthedevice.Ageneratorcanbeonboardtogenerateenergydirect.Or,turbinescanbeonfloatingsupportorashoreifusingcompressedairorpumpedwater.Fig7&8demonstratethealternativewheretheOuterandInnerpartsarenotattached.Thedeveicewillgeneratepowerwhenthepistongoesbothupanddownbyusingcantilevertechnologyoperatedbytheplungerpushingdownthepiston,Fig7


Fig8

Fig9CrossSection(Cutacrossthecentre)


Fig10,11,12,13,14,15Demonstratethedeviceinuse,asfollows:


Fig10

Fig11


Fig12

Fig13


Fig14

Fig15


Claims

1. Thefloatextendedadaptationmeansworkingpartscanbeabovethewaterandthefulltidalrangecanbeutilised

2. Thefloatextendedadaptationmeansworkingpartscanbeabovethewatersurfaceandvariablewaveenergycanbecollectedasthedevicecanoperateasaconventionalwaveenergyconverterindeeperwater

3. Thefloatextendedadaptationmaybeattachedtotheinnersleeve4. Thefloatextendedadaptationmayfunctionasaplungertopistonwithoutbeing

physicallyattached.


ABSTRACTThisdeviceisawaveenergyconverterorpointabsorberwithahybridfeature.Thehybridfeatureallowsthedevicetofunctioninanydepthofwater.Thisisachievedthroughanadaptationthatextendsthedevicefarabovethewatersurface.Theadaptaioncanbephysicallyattachedtothedevicepistontocreatelinearmovementoralternativelytheadaptationandpistonmayoperateasseparateplungerandpiston(muchlikeapushbuttontoiletflush).Thewholedeviceisaseriesofpipes,ortubesorsleevesthatbothprotecttheinnerworkings,provideanouterfloatandprovideinnermovement.Theadaptationover-reachesfromtheouterfloattotheinnersleeve,akndof‘M’shapewiththecentreofthe‘M’extendingdownintotheinnersleeveandthiscreatesthelinearmovementthatoperatesthepiston.Thewholedeviceisprotectedbyanoutersleeve(thefloat)thatcanbefixedtotheoceanfloororthedevicecanbetetheredtothesea-bedindesiredsituationswhereitisdesignedtobe‘neutrallyfloating’.

Download - Prior Art Sea Sleeve 2018

Top Related