Патент USA US2406278код для вставки
Aug. 20, 1946. ‘ T. .WORTH ‘2,406,278 CLEANER Filed July 12, 1943 - ' Inf/672150?“ ~ Tkomms C’. %rz% Patented Aug’. 20,‘ 1943 2,406,278 ‘ ‘UNITED STATE 3 PATENT 5F FICE: ‘r 2,406,278 ~ ' I " CLEANER,‘ ‘I ‘ : Thomas C. Worth, Market \Harborough, England Application July 12, 1943,,‘ Serial'No. 494,295 ‘ ‘ 2 Claims. (Cl. 1834-8) 1 desired,_ may be removably . 2 secured to the ihouse This invention relates to an air or gas cleaner, and it has for one object to provide means for separating dust, dirt or other solid matter from ing. ‘ ' ~ ~ 7 . An intermediate housing section -I2 is; in effect, cuplike. It comprises a generally cylindrical por a moving stream or column of air or gas. It has for another object to provide a means CR tion which ?ts, as at I3, about‘,_ the lower portion I4 of the housing section I.‘ The housing-section for carrying out in a single apparatus two stages I may be provided with an outwardly extending of separation, in one of which the heavier or ' bead or?ange I‘5, against which the upper edge larger particles are removed. and in the other of which the smaller or lighter particles are re moved. I6 o1’v the housingsection I2 abuts when‘the parts IO are assembled together. > Another object is to provide in a‘single, com pact apparatus, means (for accomplishing dry separation and ?uid separation in a single, con tinuous process. - ' I . ()ne convenient means ,for securing‘ the two housing sections together comprises w'bayonet locks which are formed by slots I"! in the section _I2 which embrace pins I8 in the section I. Other ‘attaching means‘ could, Another object is to provide an apparatus of the type indicated formed of a plurality of read ily separable parts to permit effective and con ofrcoursa?be substituted forthese. , ~ - ' ' Thef'housing section‘ I2>is provided with a ‘bot tom portion I9which'is preierablydntegral‘with grammatically in the accompanying ‘drawing, the side portion I2 ,andwhich is‘ also preferably integral with a central tubular inlet member 20. Preferably the cup‘ portion formed by the mem bers I2, I9 and‘ 20 is 'rounded,;as__at 2|; and 22. The upwardly extending‘ inlet member 20 may wherein: be provided with a ?ange or bead 23. Positioned venient cleaning. > Other objects will appear from time totime throughout the speci?cation and claims. This invention is illustrated more or less dia Figure 1 is-avertical section through one form of the device; ' I > ‘ Figure 2 is a transverse section *taken'at-line . 2-—2 of Figure 1; and . Figure 3 is an' elevational detail showing one form of a separable attaching means. within the portion I2 ;and‘gengaging the inner face of the member 20 is a ba?le “which is ‘an nul‘ar in- plant and is preferably'curved or concave‘ ' and upwardly facing. Its inner edge lies'against and is preferably secured tojthe upper and of the member 20, as at 25, and it maybe provided with Like parts are indicated by- like characters 30 openingsZB adjacent whichyare'p‘ositioned out-' wardly extending members 21.‘ It may also be throughout the speci?cation and the drawing. provided-with openings 28 adjacent which are po In the particular form here shown, the device sitioned inwardly extending ‘members 29.‘ This comprises a housing which is, in e?ect, formed baffle may conveniently be Welded or otherwise by three main and preferably separable parts. There is thus an upper housing section I, which 35 permanently secured to the member 20., Posi may be cylindrical in cross'section, which is ' closed by a member 2 which may be permanently secured‘ in place or, if desired, may be removable. The member I is provided with a'perforation or opening 3 in which an outlet connection member 40 4is positioned. '7 , 1 tioned ‘above and overlying the upper end of the member 20 is an inwardly directed baffle 30.‘ It may be secured to the upper, end of the member 20 by arms 3| which are secured to that memé ber and to the ba?le, As shown, the, outer‘edge‘ ' 32 of the baffle 30 projects into the area ‘bounded by the‘ baffle 24, and the lower edge 32 of the ba?ie 30 is belowthe upper edges of the baffle 24 and'below the upper’ edge of the member 120. Within the housing I a massof ?lter material 5 is positioned. It is convenient to hold this ma- ' terial in place by an upper member'which may comprise an annular portion 6 and a plurality 45 Thecup member ordinarily contains a quantity 7 of oil‘ or other liquid and preferably that liquid of branches ‘I which may meet at the center, as stands at a level somewhat above the lower edge at 8. In general, the member formed by these 32 of, the ba?le 36, although considerable varia parts is shaped to provide many openings, but is tion‘in'the oil level may occur without destroying~ ’ p of such size and shape, and the openingsare of : , . such size and shape, as to prevent the ?lter ma 50 the effectiveness of thedevice; A third housing section is positioned removably terial from being carried away in the moving belowthe section I2 and may be held in place stream of air or gas. by a spring bail 33 which is preferably provided The ?lter mass is vsupported‘and positioned with a roller or other anti-friction device 34,.the‘ from below by a member which may comprise an ' annular member '9 and arms or branches I0 55 bail being pivoted in ears '35 which are integral which maybe joined centrally, as at I I. The ar rangement‘ and purpose of the lower ?lter sup porting means is gener‘ally'the same as the upper member just described above. The annular por with a band‘ 36, whichis itself, positioned about and secured to the housing section _I 2. The lower section includes a shell or. housingi‘portion 31 which at its‘upper edge abuts-against a portion tions 6 and '9 may be welded to the housing or, if v60 ‘of the member I2,‘preferably the bottom portion 2,406,278 ‘ 4 ings 38 which are formed by outwardly projecting with cleaning liquid, and the solid matter is fur ther entrapped in this liquid and removed from tongues 39. The effect of this constructionis to give enteringifair a whirling motionr One or more the column of gas. The liquid itself tends to flow downwardly again into the cup and carry slots or openings 40 are formed ‘in the shell 31 5 with it this solid matter. i9, and it is provided with a plurality of open _ ' V V The cleaned air ?nally emerges from the ?lter and adjacent each of these there is preferably formed an outwardly projecting lip or vane 4i. = mass and passes outwardly throughthe connec which tends to scoop on solid matter which comes 7 ' ” tion 4 to the point of use. into contact with the inner surface of the mem; ' ' -'I claim: . "‘ . ber 31 or approaches that'surface. This solid-1c, . 1. Inan' air, cleaner built up from vertically aligned‘ nested cups, a bottom cup adapted to re matter is directed to the openings 150' and passes through them into a space which‘ is de?ned partly‘ ‘ ceive'dust, va dry cleaner cup closing the top of the bottom cup and including a bottom por~ tionextending into the bottom cup and having with a ?ange or collar 44 which is secured to the 15 dust discharge apertures associated with dust di recting vanes therein and a side portion extend shell 31, as at 45, and the space, enclosed be ing above the bottom cup and having .airinlet tween the members 37. and 42 thus forms a re apertures, a liquid containing cup closing the ' . ceptacle into which solid matter deposited from top of the dry cleaner cup andhaving an axial the air as it whirls about Within the shell 3‘! .by' the member 31 and partly by a shell 42. This , V shell at its upper edge 43 is in sealing contact is collected and retained. ' I _ ' . 0 air discharge duct extending upwardly'above the ' ' ' Although I have shown an operative form of level of the liquid in ‘said cup and adapted'to my invention, it will be recognized that many changes in the form, shape, and arrangement of, parts can be made withoutdeparting from the spirit of the invention, and my showing .is, there- 25 fore, to be taken as,'in a sense, diagrammatid. In particular, the structural details may be widely varied.v The means for holding the .parts sep arably together might ‘be of almost any type. The relative proportions of the baffles within the 30 oil bath portion l2 might be Widely varied. ‘The serve as an air discharge outlet for the air en~ tering the dry cleaner cup, an arcuate mushroom ba?le overlying the upper end of, said axial duct, adapted to direct air downwardly toward the liquid in said liquid containing cup, an upwardly convex; circumferential baffle provided, at its bot tom, with baffled openings and aligned-with the path of flow of air from said mushroom bai?e, extending below the liquid level in said liquid containing cup and having an outer discharge number of openings inithe baffle .24 and their ' edge spaced radially outwardly from the outer particular shape'and disposition might be widely edge of the mushroom baille, and a container po sitioned above and closing the top of ' the liquid varied. Similarly, the number of openings in the member 37 and- their positioning in that member 35 ' containing, c'up,;having a cleanedv air dischargev duct extending therefrom and havingan air per-' , ~ vious?lter mass therein in the line of delivery The use ‘and ‘operation of‘this invention are might be widely varied. of air from said liquid containing cup, asfollows: ~ ; ' ' ' Y ' I ._ l ‘ 2., In an airy cleaner, a centrifugal separator ' with ‘an internal combustion‘ engine as a means 40 container having a generally cylindrical upper‘ V. #The invention will ordinarily be associated for cleaning theiair which passes- to the engine, although ‘it. maybe used in many'other Jassoci~ ations in which it 'is' necessary/or ‘desirable to remove 's’olidjmatter from ‘a moving column of ,air or gas, If it, be assumed that the cleaner is 45 .to be used in connection with an engine, the member 4' will be connected with the carburetor or will otherwise be connected to carry clean air to the point oftu'se. As the engine commences to operate; ‘suction. occurs and air " is 'drawn through the cleanenentering ‘the openings 38 andbeing given ‘a whirling action. The air thus 50 portion and amp-shaped lower portion,_said;up per. portion having outwardly extending inlet’ scoops spaced circumferentially thereaboutjand adapted to impart to .» the inflowing air a path: conformingv generally tothe inner face of said upper portion, said lower portion having inward-f ly extending dust scoops, extending into the path 1 of flow of the air to be cleaned, a dust receiving housing surrounding the. lower portion of the separator . _ container _and_ de?ning _ ._a dust-receiv ' 'ing space in communication with said dust scoops, and a discharge outlet duct extending upwardly from said upper portionv of the separator con tainer, a liquid container‘positione'd above and chamber 3i,‘ and the heavier: matter tends to move outwardly and hence approach. or come 55 partly, closing the top of said centrifugal‘ sep: arator container and having a central air dis in contact with the inner surface of ‘the meme charge duct extendingto a level above thelevel' ' ber 31. Such heavier matter passes through the ‘opening or openings 40 and may be‘ assisted in of liquidin said container, an inverted‘arcuate _ circulates or -whirls. about the space withinthe mushroom shaped baille adapted to direct the air this" movementv by the scooping action of the members El if they are present. Once solid mat‘- 6f). which ?ows upwardly through said discharge duct ter has passed through the wall of the shell. 31,;it is entrapped and remains within the space de downwardly toward and against the, liquid in said container, an additional cleaning housing closing I‘?ned‘by that member and the memberJlZ. The relatively cleaner air now moves upwardly the top of said liquid container, an air pervious ?lter mass positionedtherein, and an additional ' through the membergiu and is directed 'down- 65 upwardly convex ba?le positionedv in; said liquid container and surrounding said air discharge wardly by the member 39 toward the oil or other duct, said additional ba?’iehaving, in its bottom,‘ liquid which is present. The air then moves up ba?iedopenings' and being of substantially greater diameter than the diametervof said inverted baft-j- ' baffle ‘36' to and through thefllter mass 5. .The liquidwithin th‘ecup portion i2 is to a‘greater 70 fle, whereby it is adapted to direct airupwardly or‘less' degree carried upwardly by the passage toward the bottom ‘ of said air : pervious. ?lter 1 ' wardly again beyond the'lower' edgez32. of the ' of the air or gas, and'toa greater or less degree saturates the ?lter mass, so that the relatively small passages through which theair or gas must mass, and means for removably securing said con tainers in nested relationship. move'in passing through the ?lter mass are lined 175 I‘. ' ' THOMAS c. WORTH; I ‘ '