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US 7,726,331 B1 56 enter the channel 116, ?ow axially upwardly in the block bores 106 of the ?uid passage blocks 100 and also upwardly through the vane apertures 412 ofthe starwheels 400 therein, andthen?ow axiallyupwardlywithintheblockbores206of the ?uid intake/outlet blocks 200. Within the ?uid intake/ outlet blocks 200, the ?uid may ?ow through the disc ?uid passages 508 of the rotor discs 500, as well as radially out wardlybetweenthespacedrotordiscs500,toentertheducts 214 and ?uid passages 212 of the ?uid intake/outlet blocks 200. The ?uid may then exitthe ?uid passages 112 ofthe top ?uid passage block 100. The ?uid can either be driven along the foregoing paths ifthe shaft 312 and one or more ofthe star wheels 400 and rotor discs 500 are driven to rotate, or alter natively the ?uid can drive the shaft 312, star wheels 400, and/or rotor discs 500 if a suitable pressure difference is presentbetweenthepointsof?uidinputandoutput. Furtheradvantages,features,andobjectsoftheinvention will be apparent from the remainder of this document in conjunctionwiththeassociateddrawings. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 provides a perspective view of an exemplary ?uid handling device which illustrates concepts of the invention, whereintheaforementioned?uidpassageblocks100and ?uid intake/outlet blocks 200 are a?ixed together in a vertical stack via fasteners 302, and are also af?xed together in a vertical array via annular side fasteners 300. FIG.2providesanexplodedperspectiveviewoftheexem plary?uidhandlingdeviceofFIG.1,showingthe?uidpas sages 112/212 of the ?uid passage blocks 100 and ?uid intake/outlet blocks 200 (as well as the ducts 214 between the block bores 206 and the ?uid passages 212 of the ?uid intake/ outletblocks200),andalsoshowingthestackedstarwheels 400 and rotor discs 500 within the block bores 106/206. FIG. 3 provides a partially sectioned perspective view of the exemplary ?uid handling device of FIGS. 1 and 2, show ing the stacked star wheels 400 and rotor discs 500 (and spacers 314) on or adjacent to the shaft 312 and removed outwardlyfromtheblockbores106/206. DETAILED DESCRIPTION OF PREFERRED VERSIONS OF THE INVENTION 20 25 30 35 40 components described in this document may be modi?ed to includefeaturesnotedinthepriorpatent. Exemplary dimensions for the blocks 100/200 are 1 inch thickness between the block faces 102/202, block sides 104/ 204 which are each 1.5 inches wide, and a central bore 106/ 206havinganaveragediameterof1inch.Exemplarydimen sions for the ?uid passages 112/212 and channels 116 are 1/2 inch, 1/4 inch, and 1/s inch. However, different dimensions could be used, and it is also possible to use different blocks 100/200 having different dimensions in the same ?uid han dlingdevice;forexample,differentblocks100/200mightbe formed with 1 inch, 2 inch, and 4 inch thicknesses for use together in the same ?uid handling device, with the 2 inch block effectively taking the place of 2 vertically stacked 1-inchblocks,the4inchblockeffectivelytakingtheplaceof 4 vertically stacked 1-inch blocks (or 2 vertically-stacked 2-inchblocks),etc.Apartfromhavingvaryingdimensions, thenumberandplacementoffeaturesontheblocksmay be changed,e.g.,thenumberandplacementofthe?uidpassages 112/212,andthecon?gurationoffeaturesmaychangeas well, e.g., the block bores 106/206 need not be circular. As previously noted, the block faces 102/202 (and indeed theaxialcross-sectionsofeachblock100/200)arepreferably shapedastessellatingregularpolygons.A regularpolygonis apolygonwhereallsideshavethesamesiZe,andallofthe interior angles are the same; examples are equilateral tri angles, squares, pentagons, hexagons, etc. A tessellating regular polygon is a regular polygon wherein several poly gons of the same siZe and type can ?t snugly together in a side-by-sidearraywhichcompletelycoverstheareaacross which the polygons are arrayed; examples are triangles, squares,andhexagons.(Notethatpolygonsotherthanregular polygonsmaytessellate,e.g.,rectanglesandparallelograms.) Symmetric tessellating regular polygons are those where eachsidehasaparallelopposingside,e.g.,squaresandhexa gons.Theseareparticularlypreferredshapesforblocks100/ 200 since they allow block bores 106/206, ?uid passages 112/212, fastener openings 110/210, and ducts 214 to extend between,andbesymmetricallyspacedabout,opposingblock faces102/202insuchamannerthattheseaperturesreadily align when blocks 100/200 are stacked. In similar respects, channels 116 and other apertures extending from the block sides 104/204 (ifincluded) can be formed to readily align when blocks 100/200 are horizontally arrayed. The side fasteners 300 used to attach the blocks 100/200 togetherhorizontallyaredepictedashavingacircularclosed annular form similar to a washer, though they may instead assume an open annular form (e.g., as a splitring, or a washer with a portion of its arc removed) and/or a non-circular form (suchasanovalorsquare/rectangularform).Thesidefasten ers 300 may be formed of any suitable materials, and can be rigid or ?exible (as by forming them of elastomeric materi als). The side fasteners 300 may include cutouts indented fromtheirouterorinnercircumferencestoallowspaceforthe insertionofascrewdriverheadbetweenasidefastener300 and a block 100/200 to allow the side fastener 300 to be more easilyremovedfromthedepression108/208whereinitis?t (oralternatively,thesemi-circularlandsaboutwhichtheside fasteners 300 are ?t may include such cutouts). The face fastener openings 110/210 are all preferably threadedandcountersunktoaccommodatebolt-likefasteners 302,withthefacefasteneropeningsontheblockbottomfaces (not shown) being identical to those on the block top faces 202. The fasteners 302 need not assume the form ofbolts, and otherformsoffasteners,suchasthreadedrodsorsmoothtie rodswiththreadedends,couldbeusedtoverticallyaf?xtwo ormore blocks 100/200 together. ExpandingontheforegoingSummary,followingarefur 45 therdetailsregardingexemplaryandpreferredversionsofthe invention. Regardingthe?uidpassageblocks100andthe?uidintake/ outlet blocks 200, these are preferably formed of heat- and corrosion-resistantmaterialssuchasstainlesssteel,butother materials can be used. Block materials can be specially cho sen to achieve desired objectives; for example, a block 100/ 200 could be formed ofplastic or ceramic materials to reduce heat conduction, or of transparent plastic or glass to allow visualiZationofitscontents,etc.A usercouldthenchoosean assortmentofblocks100/200havingdesiredcharacteristics, andassemblethemtobetterful?lltheintendedpurposeofthe ?uid handling device. In this respect, it is emphasiZed that a ?uidhandlingdeviceneednotincludeonlythe?uidpassage blocks 100 and the ?uid intake/outlet blocks 200 discussed above,andthatothertypesofmodularblocksisuchasthose describedinUS. Pat.No.7,146,999toGieseetal.(whichis incorporated by reference herein)imay be used with the ?uid passage blocks 100 and/or the ?uid intake/outlet blocks 200.Itshouldfurtherbeunderstoodthattheblocksdescribed inthatpatentmay bemodi?edtoincludefeaturesdescribedin this document, and conversely the blocks 100/200 and other 50 55 60 65PDF Image | MODULAR FLUID HANDLING DEVICE II Giese
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