《航空工程技术英语》课件——Chapter 4 Ice and Rain Protection教学课件：The Potable water System.pptx

ThePotablewaterSystem航空工程技术英语

目录CONTENTSB737waterSystem01A320WaterandWasteSysem02

B737waterSystemPART01

B737waterSystemThepotablewatersystemsuppliespotablewatertothegalleysandlavatories.Thewastesystemisforstoringandremovingwastefromthetoilets.Thewaterandwastesystemiscomposedofindependentbutrelatedsystems.potablewater饮用水galley厨房

B737waterSystemThepotablewatersystemconsistsofawatertank,quantityindication,pressurizationcomponents,anddistributiontubing.Thewatertankandpressurizationcomponentsarelocatedaftoftheaftcargocompartment.Thequantityindicationisintheaftsectionofthepassengercabin.watertank水箱quantityindicator水量指示器

B737waterSystemThewatertankstorespotablewaterforusebythepassengersandcrew.thetankisconstructedoffiberglassandattachedbystrutsandmountingbracketstotheairplanestructure.The30U.S.gallontankiscylindrical.Itisprotectedfromfreezingbya3-piecesfiberglassblanket.Ontheuppersectionofthetankareconnectionsfortheairpressureline,fillline,overflowline,supplyline,andaquantitytransmitter,thefillandoverflowvalveisusedtofillthetanktothecapacitydeterminedbyastandpipe,thisvalveisoperatedbyahandle.Adrainvalveislocatedonthebottomofthetank.quantitytransmitter水量传感器overflow溢出，外流drainvalve排放阀门

B737waterSystemThequantityindicationshowstheamountofwaterinthetank.Thequantitytransmitterconsistsof10reedswitchesand3diodesinsideatube.Afloatwith3magnetssurroundsthetube.Inaddition,theindicatorconsistsof5lightslabeledE,?,?,?andF,andapushbutton.浮子

B737waterSystemTheamountofwaterinthetankdeterminesthepositionofthefloat.Themagnetsonthefloatclosetheassociatedreedswitches.Usingthepushbuttononthequantityindicator,allowsthecorrespondingquantitylightstoilluminate.Ifthetankisemptiness,the