T ec hnol ogy: P a t e nt e d, L i qui dCool e dSPARCS* E x i s t i ngWa nk e l r ot a r ye ngi ne sa v a i l a bl eont hema r k e tt y pi c a l l yus ee i t he rc l os e dl oop, oi l c ool e dorf or c e da i r c ool e d s y s t e ms .AI E ’ si nnov a t i v eS P ARCS *c ool i ngs y s t e mc ombi ne ss i mpl i c i t yof de s i gnwi t ht hei nhe r e nthi ghpowe r t owe i ght a dv a nt a geof r ot a r ye ngi ne s , whi l epr a c t i c a l l ye l i mi na t i ngt hedr a wba c k st he s es y s t e msha di nt hepa s t . Adv a nc edI nnov a t i v eE ngi neer i ng www. a i e uk . c om T heS P ARCS *c ool i ngs y s t e mf orWa nk e lRot a r yE ngi ne sut i l i s e st he s e l f pr e s s ur i s i ngbl owbyga s e sf r omt hec ombus t i onpr oc e s s( whi c h ha v ee s c a pe di nt ot hei nt e r i or of t hee ngi ne ’ sc or ev i at her ot or ’ ss i de s e a l s )a sac ool i ng me di um.T hi spr e s s ur i s e da i r ga smi x t ur ei s r e c i r c ul a t e di nac ompl e t e l yc l os e dl oopc i r c ui tbya ni nt e r na lf a n whi c hi sdr i v e nbyt hema i ns ha f t .Asi tr e c i r c ul a t e s ,t hea i r ga s x t ur epa s s e st hr ought hee ngi ne ’ sr ot orwhe r ei tpi c k suphe a t mi be f or et he nbe i ngduc t e dt hr ougha ne x t e r na lhe a te x c ha nge rt o r e j e c tt hehe a t . T hek e yt ot hes y s t e mi st ha tt hehi ghde ns i t yof t he pr e s s ur i s e da i r ga smi x t ur ee na bl e shi ghe rl e v e l sofhe a tr e mov a l f r om t hee ngi ne ’ sr ot ort ha nt hr oughs t a nda r da i rc ool i ngme t hods . Ast he S P ARCS *s y s t e m i sc ompl e t e l ys e a l e d,t he oi ll os st o a t mos phe r et y pi c a lofa i rc ool e dr ot a r ye ngi ne si sc ompl e t e l y e l i mi na t e d.Oi ls uppl i e dt ot he e ngi ne c or ei sc ont i nua l l y r e c i r c ul a t e di nt he c ool i ng ga smi x t ur el ubr i c a t i ng a l lmov i ng s ur f a c e s ,unt i le v e nt ua l l ymi gr a t i ngpa s tt hes e a lpa c k( pr ov i di ng l ubr i c a t i on)be f or ebe i ngbur nti nt hec ombus t i onpr oc e s s .Ast he l ubr i c a t i onoi l i nt hee ngi nec or ei sr e c i r c ul a t e dma nyt i me s , ov e r a l l oi l c ons umpt i oni ss i gni fi c a nt l yr e duc e d. * S e l f Pr e s s ur i s i ngAi rRot orCool i ngS y s t e m Advanced I nnovat i ve Engi neer i ng