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 Class   494IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS
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  1           WITH CONDITION RESPONSIVE MEANS
  2           . (1 indent ) For controlling outlet valve
  3           .. (2 indent ) In response to location of inner boundary of heavy component
  4           .. (2 indent ) In response to centrifugal force
  5           . (1 indent ) For controlling inlet valve
  6           .. (2 indent ) In response to level of liquid-type material in bowl or in reservoir for supplying bowl
  7           . (1 indent ) For controlling drive of (a) bowl or (b) driven means within bowl
  8           .. (2 indent ) In response to load imposed upon driven means
  9           .. (2 indent ) In response to speed of bowl or rotarily-driven means therewithin
  10           WITH MEANS FOR INDICATING, INSPECTING, MEASURING, SIGNALING OR TESTING
  11           WITH CYCLIC OR TIME CONTROL MEANS
  12           INCLUDING MEANS OR STRUCTURE FOR PROMOTING SAFETY
  13           WITH MEANS FOR EXCHANGING HEAT
  14           . (1 indent ) Comprising or including means for cooling
  15           WITH MEANS FOR LUBRICATING
  16           INCLUDING PLURALITY OF MINIATURE BOWLS (E.G., TEST TUBES) DISTRUBUTED ABOUT ROTATABLE CARRIER AND READILY REMOVABLE THEREFROM
  17           . (1 indent ) And means for introducing either material or auxiliary fluid into bowls
  18           .. (2 indent ) Including conduit of flexible umbilical cable type
  19           . (1 indent ) And means for rotating each bowl about own axis
  20           . (1 indent ) Having bowls, or holders therefor, pivotaby attached to carrier for tilting during rotation of carrier
  21           . (1 indent ) Comprising flexible bowls embraced by pockets provided therefor in carrier
  22           INCLUDING INTRODUCTION OF DIFFERING-WEIGHT FLUIDS (E.G., LIQUIDS) FOR COUNTERCURRENT FLOW
  23           WITH MEANS FOR FURNISHING AUXILIARY FLUID TO MATERIAL OR APPARATUS
  24           . (1 indent ) Energy of fluid utilized for driving bowl
  25           . (1 indent ) Gas other than air
  26           . (1 indent ) Air at atmospheric, or greater, pressure
  27           . (1 indent ) Liquid
  28           .. (2 indent ) Moving radially inwardly toward axis of rotation of bowl
  29           .. (2 indent ) Furnished at plural locations
  30           .. (2 indent ) Including one or more valves in incoming path
  31           INCLUDING PLURALITY OF SEPARATE AND DISTINCT BOWLS
  32           . (1 indent ) And means external of bowls for conducting material therebetween
  33           . (1 indent ) Having bowls equally spaced from a central axis of rotation for orbiting thereabout
  34           . (1 indent ) Having bowls spaced along common axis of rotation
  35           BOWL AND MEANS EXTERNAL THEREOF FOR RECIRCULATING MATERIAL
  36           WITH MEANS FOR FILTERING
  37           PROCESS
  38           INCLUDING SEALING MEANS
  39           . (1 indent ) For protecting evacuated, bowl-enclosing housing against gaseous infiltration
  40           . (1 indent ) Comprising seal, or element cooperating therewith, movable axially for controlling outlet on periphery of bowl
  41           . (1 indent ) For sealing between stationary and moving elements
  42           INCLUDING DRIVEN MEANS AT LEAST PARTIALLY EXTERNAL OF BOWL FOR MOVING MATERIAL THERETO OR THEREFROM
  43           ROTATABLE BOWL
  44           . (1 indent ) Comprising plurality of bowls partly or wholly within one another
  45           . (1 indent ) Including flexible, removable lining therein
  46           . (1 indent ) Including bearing means adapted to enable bowl to establish dynamic axis of rotation
  47           . (1 indent ) Including means for imparting other movement to bowl in whole or in part before, during or after its axial rotation
  48           .. (2 indent ) Axial movement of one portion of bowl wall relative to another (e.g., for discharging)
  49           . (1 indent ) Driven by energy of material supplied
  50           . (1 indent ) Including driven material-moving means therein
  51           .. (2 indent ) Plural driven means
  52           .. (2 indent ) Rotatably driven coaxially with bowl, but differing as to direction or speed
  53           ... (3 indent ) Including element having helical blade
  54           .... (4 indent ) Modified blade
  55           ... (3 indent ) Including plurality of discrete pushing or scraping elements moving proximate to material collecting surface of bowl
  56           . (1 indent ) Including discharge-related structure in nature of (a) outlet having device for controlling quantity of flow, (b) element associated with pickup of material and adjustable for varying quality of flow, or (c) static scraper or the like for engaging material in moving bowl
  57           .. (2 indent ) Element associated with pickup of material and adjustable for varying quality of flow
  58           .. (2 indent ) Static scraper or the like for engaging material in moving bowl
  59           ... (3 indent ) And structure to receive or guide material loosened
  60           . (1 indent ) Including housing for bowl
  61           .. (2 indent ) And means for reducing, and maintaining, pressure in housing below that of environment
  62           .. (2 indent ) Serving to support bowl from above
  63           .. (2 indent ) For vertically-oriented bowl, and having plural receivers at top for separated components
  64           . (1 indent ) Having structural provision for facilitating cleaning (e.g., quick take apart)
  65           . (1 indent ) Vertically-oriented, and including structural provision for bottom entry of material
  66           . (1 indent ) Including structure located within bowl and defining axially-extending, helical flow path
  67           . (1 indent ) Including structure located within vertically-oriented bowl and extending outwardly from central region (e.g., axis) thereof
  68           .. (2 indent ) Comprising plurality of elements, each concentrically encircling axis of bowl and spaced therealong
  69           ... (3 indent ) Each extending generally normally to region, and having surface displaying three-dimensional configuration
  70           ... (3 indent ) Each extending away from region with significant downward, as well as significant outward, component (e.g., nested cones)
  71           .... (4 indent ) And the plurality divided vertically into two or more, physically separate or functionally distinct groups
  72           .... (4 indent ) And extending therebeyond generally downwardly
  73           .... (4 indent ) And one or more elements having surface displaying three-dimensional configuration
  74           .. (2 indent ) Comprising plurality of axially-extending, plate-like elements, each having its inner edge lying along central region
  75           ... (3 indent ) And each extending outwardly in curve of changing or constant radius
  76           . (1 indent ) Including plurality of axially-extending, tubular elements located within vertically-oriented bowl
  77           .. (2 indent ) Each element concentric with axis of bowl
  78           ... (3 indent ) And at least one element having other-than-circular periphery
  79           . (1 indent ) Including plurality of axially-extending, plate-like elements located within vertically-oriented bowl
  80           . (1 indent ) Including plurality of shelf-like elements located within vertically oriented bowl and extending generally horizontally inwardly from wall thereof
  81           . (1 indent ) Material of bowl wall
  82           INCLUDING VIBRATION DAMPING MEANS
  83           INCLUDING BEARING STRUCTURE
  84           INCLUDING SPECIFIC DEVICE OR STRUCTURE FOR DRIVING OR CONTROLLING BOWL
  85           MISCELLANEOUS
 
 CROSS-REFERENCE ART COLLECTIONS
 
  900           INVOLVING MIXTURE CONTAINING ONE OR MORE GASES
  901           INVOLVING MIXTURE CONTAINING OIL
  902           INVOLVING THE USE OF MERCURY
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS


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This data is current as of June/2006