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363-131 121-55A 14-.5
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Class Number: 55 Class Title: GAS SEPARATION Subclass Subclass Number Title 209 COLD WALL-HOT WALL THERMAL DIFFUSION TYPE SEPARATOR 210 WITH AUTOMATIC CONTROL MEANS FOR GAS OR NONGASEOUS CONSTITUENT DISCHARGE 211 .Ejection of residue container or separating unit (e.g., filter or bag) 212 .Gas cutoff or diversion 213 ..Gas pressure responsive separate reactor surface means 214 ..Bag presence responsive means 215 ..By response to accumulated separated liquids or solids 216 ...By float 217 ..Temperature or humidity responsive 218 .Regulation of separated constituent discharge 219 ..By liquid accumulation responsive float 220 WITH LIQUID CONTACTING MEANS (E.G., GAS OR MEDIA CLEANING) 222 .With indirect heat exchange means for gas 223 .Diverse means for contacting or applying liquid 224 .For portion of total gas flow 225 .Liquid control responsive to flowing gas force 226 .With means varying gas flow to control saturation or dispersion 227 .With treating liquid automatic control or level maintaining means 228 .With treating liquid conditioning or separating means 229 .With means to control liquid return flow to supply or sump 230 .Movably mounted liquid distributor (e.g., moving nozzle) 231 ..Distributor is gas contacting means (e.g., wet pad) 232 ...With distributor immersing means 233 .Liquid applied to particulate or porous media for gas contact 234 ..Media extends into bath 235 .With fixed gas whirler or rotator means for gas separation 236 ..Liquid applied in central of concentric flow paths 237 ..Liquid contact preceding or within whirler or rotator means 238 ...Spray or film contact 239 ..Reversal of gas flow by surface of body of liquid 240 .With means forming flowing liquid film or sheet for gas contact 241 ..On impervious backing (e.g., corrugated plates) 242 .With liquid cleaning or flushing means for media 243 ..Immersion cleaning 244 .Gas flow contacts liquid bath 245 ..With back pressure relief or auxiliary liquid trap or baffle 246 ..With antisplash means or means for retaining liquid during upset or tilt 247 ..With movable means in bath for commingling gas and liquid 248 ..Separator positioned above liquid bath 249 ...With means for forming liquid into a spray or heap 250 ...Superposed filter 251 ....With flow guide preventing entire leading filter surface contact 252 ....Surrounding gas flow path 253 .....With separable liquid sump 254 .....With anticreep meanss 255 ....Submerged inlet for subsurface contact of liquid 256 ..Submerged inlet for subsurface contact 257.1 .Gas separating means downstream of contacting means 257.2 ..Parallel vanes 257.3 ..Overlapping vanes 257.4 ..Centrifugal 257.5 ..Impact plate 257.6 ..Perforated plate 257.7 ..Heat exchange 258 ..With preliminary separating means 259 ..Filter type separating means 260 .With deflecting means preliminary to liquid contact 261 WITH INLET MEANS FOR DIVERSE FLUID OR SOLID FOR GAS TREATMENT 262 .Solid or vaporized solid 263 .Steam 264 .With outlet for condensed vapors 265 .Downstream of separator 266 .With flow control for each inflow gas 267 WITH HEATING OR COOLING MEANS FOR GAS, OR WITH INSULATION 268 .Two confined fluids in indirect contact 269 ..Heat exchanger is part of separator or is contiguous therewith 270 WITH SAMPLING, WEIGHING, TESTING, OR METERING MEANS 271 WITH TIMING OR CHANGEABLE PROGRAMMING MEANS 272 .Of cleaning mechanism for media 273 ..Sequential cleaning of plural units 274 WITH SIGNALS AND INDICATORS (E.G., INSPECTION MEANS) 275 .Moisture sensitive 276 WITH SOUND DAMPING OR ACOUSTICAL MEANS (I.E., NOISE ATTENUATION) 277 SONIC TYPE 278 SHELF OR EDGE TYPE 279 WITH STERILIZING MEANS 280 WITH DRIP OR ESCAPING MATERIAL COLLECTOR (NOT OF SEPARATED CONSTITUENT AS SUCH) 282 WITH NONLIQUID CLEANING MEANS FOR SEPARATING MEDIA 283 .With automatic control of cleaning means 284 .With sequential cleaning of plural units 285 ..Ferris wheel type filter unit arrangement 286 ..With gas flow arresting means 287 ...Interconnected with cleaning means 288 .Interdependent or interoperated gas flow cutoff or apparatus shutdown and media cleaning 289 .Interdigitated comb and separating media 290 .For moving indefinite or continuous length separating media 291 .Plural diverse cleaning means 292 .Sonic type 293 .With separating media pneumatically vibrated or flexed 294 .Relatively movable pneumatic nozzle (e.g., scanning nozzle) 295 .Solid agent cleaning member movingly contacts apparatus 296 ..Agent has defined traversing motion relative to separating media 297 ...With motion effecting means interrelated with separating operation 298 ....Gas flow actuates member 299 ...With resulting flexing or distortion of resilient or collapsible separating media 300 ..Vibrating, jarring, or rapping meanss 301 .Cohesive filter media cleaning 302 ..Pneumatic reverse flushing 303 ...Draft diverted from one side of filter to other 304 ..Filter manipulation, shaking or flexing for precluding or removing encrustation 305 ...Attendant actuated manipulating means 306 AIRCRAFT ANTI-INGESTION MEANS (E.G., AIRCRAFT DEBRIS GUARD) 307 FILTER OR APERTURED DEFLECTOR UNIT DISCONTINUOUS ACROSS GAS FLOW WITHIN FLOW CONDUIT 308 .Multiple members serially spaced in flow conduit 309 WITH SEPARATING MEDIA BYPASS OR SYSTEM GAS PRESSURE RELIEF (E.G., RUPTURABLE OR DEFORMABLE) 310 .Pressure relief means to or from atmosphere 311 ..Relief means is downstream of media (e.g., ambient air bypasses filter) 312 .Valved bypass means 313 ..Gas force responsive 314 ..Shunt means for total flow 315 PLURAL SERIAL BASICALLY DIVERSE SEPARATING MEDIA 317 .At least one mounted for continuous motion 318 .Plural stages in unitary casing 319 ..Including expansion chamber 320 ..Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type 321 ...Multiple of one type in series of parallel in flow path 322 ....Serially spaced with at least one of other type intermediately positioned 323 ....Filters 324 .....In parallel 325 ....Serially spaced deflectors 326 .....With connected trough or channel 327 ...Filter is most upstream 328 ...Movable or movable mounted for adjustment or nonuse 329 ...Filamentary brush type or fibrous mass 330 ....Tubular or annular for radial gas flow 331 ...Conical deflector with curved or parabolic radially extending wide downstream end 332 ...Cohesive sheet-like filter 333 ....Multiple contiguous layers or coils with radial gas flow 334 ....Bag type 335 .....Including imperforate upstream bag end deflector 336 ....Conical 337 ....Cyclone or centrifugal whirl type deflector 338 WITH RECYCLE MEANS 339 .For concentrate entrained in effluent gas outlet means 340 ..Return conduit is external of apparatus 341.1 MULTIPLE BAG TYPE FILTERS IN CHAMBER 341.2 .Gas flow from inside to outside of filter 341.3 ..Modular compartments 341.4 ..Horizontally mounted filters 341.5 .Modular compartments 341.6 .Partitioned bag filter chamber 341.7 .Horizontally mounted filters 342 MULTIPLE SEPARATORS, EACH WITH DISCRETE AND LONGITUDINALLY CONFINED GAS INLET OR OUTLET FLOW PATH 343 .Combined serial and parallel arrangement 344 .With flow equalizing, controlling, or distributing means 345 .Centrifugall 346 ..Parallel 347 ...Gas inlet and outlet at linearly opposite ends of separating zone 348 ...Plural gas inflow openings, slots, or whirl vanes in each separator 349 ...Tangential inlet to each separator 350.1 .Filters 351 WITH MEANS FOR ADVANCING CLEAN PORTIONS OF CONTINUOUS OR INDEFINITE LENGTH SEPARATING MEDIA INTO GAS STREAM 352 .Advancing means initiated by flow, pressure, or pressure differential of gas 353 .Multiple distinct units 354 .Indefinite or running length 355 WITH LIQUID TRAP SEAL OR VALVE 356 WITH MEANS FACILITATING TRANSPORTABILITY OR HANDLING OF APPARATUS 357 .Handle feature for apparatus or part thereof 358 WITH GROUND SUPPORT MEANS (NONFLOW CONDUCTING) 359 WITH PORTION OF COVER REMOVABLE 360 WITH ELECTRICAL GROUNDING MEANS 361 FLEXIBLE OR COLLAPSIBLE BAG TYPE 362 .With bag ejecting means 363 .Toroidal or annular bag 364 .Impervious bag with pervious portion 365 .Bag carried strain relief means between bag supports 366 .With separable nonfiltering residue container 367 .Valved, self-closing, or apparatus contained bag closing means 368 .Spaced interior inflow path or with means modifying gas flow in bag 369 .Closure means other than coupler to flow line for filter or cover bag 370 ..Use position residue removal means 371 ...Inner filter bag removal 372 .With additional nonbag type filter 373 .Housing closure secures bag 374 .With flow line coupling means 375 ..Flexible conduit joins line to bag 376 ..Coupling part inseparable from bag 377 ...Resilient or expansible 378 .With securing or supporting means 379 ..Bag internally supported 380 .Nested bags or folded wall with spaced or unsecured faces 381 .Seaming, reinforcing or bag structure 382 ..Multi-ply, strata, or laminated 383 WITH REMOTE FAN OR PUMP AND UNCONFINED FLOW TO SEPARATOR 385.1 COMBINED OR CONVERTIBLE 385.2 .In environmental air enclosure 385.3 .In motor vehicle 385.4 .In vented container 385.5 .Involving mining or metallurgical apparatus 385.6 .Involving communication receiving or transmitting apparatus 385.7 .Involving shielding apparatus 385.8 .Involving ash tray 391 RESTRICTED ANNULAR MIXTURE INLET TO COLLECTOR ZONE AROUND GAS OUTLET CONDUIT ATTACHED BAFFLE 392 WITH GUIDE MEANS EFFECTING REMOVAL OF CONSTITUENT LAYER OUT OF GAS STREAMM 393 .Movably mounted for adjustment 394 .At escape means for heavier constituent 395 ..And separable residue receptacle 396 ..Annular outlet around gas outflow path 397 ..Spaced, overlapped walls 398 ..Plural, angularly spaced 399 .Spiral guide 400 MOUNTED OR SUPPORTED FOR CONTINUOUS MOTION 401 .Plural distinct separating media or stages 402 ..Overlapping moving separators 403 ..Plural moving separators serially arranged 404 .Moved by system fluid in confined flow path 405 ..Fluid flow normal to axis of moving member 406 .Differentially deflected system fluid constituents 407 ..Concentrate flow groove, guide, or channel on moving member 408 ..Separated gas conducted axially through rotating member 409 ...Hollow shaft 410 WITH SEPARATED GAS OUTFLOW CONTROL (E.G., APERTURED CONDUIT) 411 .Movable gas outlet conduit 412 ..Longitudinal 413 .Baffle or flow guide 414 ..Within or downstream of gas outlet conduit 415 ...Movable baffle of flow guide 416 ...Flow straightener 417 .Valve 418 WITH INFLOW GAS CONTROL OR DISTRIBUTION 419 .Multiple inlets 420 .Check valve 421 WITH MEANS FOR LIQUID SEPARATION 422 SEPARATING MEDIA ADJUSTABLE TO VARIOUS POSITIONS OF USE OR TO NONUSE 423 MEANS WITHIN GAS STREAM FOR CONDUCTING CONCENTRATE TO COLLECTOR 424 WITH CONCENTRATE BACKFLOW OR RE-ENTRAINMENT PREVENTING MEANS 425 .Closure between separating and collecting zones 426 .Baffle intermediate concentrate collector zone and gas outlet conduit 427 ..Adjustably mounted 428 RESIDUE ACCESS, HANDLING OR REMOVING MEANS 429 .Separable collection container 430 .With means effecting or assisting discharge of residue (e.g., endless belt) 431 ..Gaseous or liquid 432 .With movable or manipulable means controlling escape of residue 433 ..Manually actuated 434 DEFLECTOR 435 .Wear liners or surface characteristics (e.g., anti-erosion) 436 .Removably supported deflector surface 437 .With gas pump or fan 438 ..Within separator 439 ..Downstream of separator 440 .Parallel and continuous nonplanar members (e.g., crimped, corrugated, curved) 441 .Concentric, nested conduits with closed and open ends for flow reversal 442 .Plural deflectors overlapped and spaced serially in gas flow 443 ..Plural deflectors in row across gas flow 444 ...Deflectors in alternate rows aligned (i.e., staggered)) 445 ..Deflectors apertured or closely spaced from flow path wall 446 ...Space or aperture opposed by solid deflector surface 447 .Fixed gas whirler or rotator means 448 ..With outlet gas conduit wall common to surrounding gas inlet or concentrate outlet or collector 449 ...Gas inlet and outlet have common wall 450 ...With outlet from collector 451 ....Tangential outlet pipe 452 ..With plural concentrate outlets in arcuate, axially extending whirl chamber wall 453 ..With concentrate outlet means in one of parallel plates mounting spaced whirler vanes 454 ..With tangential concentrate outlet pipe 455 ..Plural nonradial gas passages in peripheral wall (e.g., tuyere) 456 ..Helical vane or baffle within flow conduit 457 ...Between gas flow path wall and central core 458 ..Inflow pipe projects within casing 459.1 ..Tangential gas inlet opening in casing 459.2 ...Inclined inflow 459.3 ...Scroll 459.4 ...Inflow nozzle or vane 459.5 ...Varying inlet area 460 ...With tangential gas outlet 461 ..Continuous confined flow path 462 .Impingement baffle 463 ..Conical with apex facing upstream 464 ..Corrugated, ribbed, crimped, or with projections 465 ..Planar 466 WITH SEPARATED NONGASEOUS MATERIAL CONDUCTING OR TREATING MEANS 467 WITH GAS FLOW EFFECTING MEANS 468 .Injector or jet pump type 469 .Manual, weight, or traction operated gas pump 470 .Plurality of impellers arranged in parallel or performing diverse functions 471 .Impeller within or proximate to space encompassed by separating media 472 .Upright or multichambered casing 473 .Impeller upstream of separating media 474 WITH PARTICULATE SOLIDS MOVEMENT DURING USE OR AGITATING MEANS THEREFOR 475 WITH MEANS ADJUSTABLE TO CONTROL COMPACTNESS OF SEPARATING MEDIA 476 WITH MEANS INTRODUCING GAS INTO MIDST OF SEPARATING MEDIA 477 STRANDS OR BRISTLES WITH UNSUPPORTED OR FREE EXTREMITIES (E.G., BRUSH TYPE) 478 WITH SEPARATE FLOW LINE ACCESS MEANS OR FILTER MEDIA PASSAGE MEANS OFFSET TO FLOW PATH 479 .For discrete filter particles 480 .Access means is clamping or coupling means for unit filter media 481 .Unit transversely slidable through flow path 482 TWO OR MORE SEPARATORS (E.G., SPACED FILTERS IN FLOW LINE OR CASING) 483 .With framework for edge to edge relation 484 .Spaced for parallel flow of gas 485 .Three or more serially spaced 486 .Plies or layers of different characteristics or orientationn 487 ..Differing mesh sizes 488 ..Variation in shape or size 489 ..Orientation of elements 490 WITH MEANS SECURING OR RETAINING SEPARATING MEDIA 491 .Fastening means pierces or penetrates media 492 .Internal frame or support means 493 .Hinged or pivoted retainer or clamp on backing frame or in flow line 494 .Grid or tray type for bottom support only 495 .Unit or cohesive sheet-like media in flow line or frame 496 ..With adjustable connector or size adjusting means 497 ..Edge supporting or securing means for nonplanar sheet form filter (e.g., zigzag) 498 ...Spiral or cylindrical 499 ...With additional transversely arranged members 500 ..Flexible sheet type maintained in nonplanar configuration 501 ..With additional support means not positively engaged or joined to media (e.g., across face of filter) 502 ..Gasket or sealing means 503 ..Media within joinable or separable flow line sections 504 ..Aligned stop, media and removable retainer 505 ..Flow line end coupling (e.g., pipe end) 506 ...Flange or track on flow line for slidably retaining media 507 ...Resilient attaching means 508 ..Suspended or supported by bracket or from top of frame 509 ..Distorted media in flow line or resilient retaining means 510 ..Annular unit held between dished or plate-like end members for top and bottom support 511 ..Edge supported or secured only 512 .Discrete fibrous or particulate solids 513 ..Resilient securing means 514 ..Fused or bonded to a supporting or backing member 515 ..Foraminous container 516 ..Held between openwork 517 ...Between telescoped or nonplanar retainers 518 ...Between perforated plates 519 ...Between reticulated end closures 520 SPIRAL FILTER MEDIA 521 ZIGZAG, CORRUGATED, OR CONICAL 522 SPECIFIC MEDIA MATERIAL 523 .Ceramic or sintered 524 .With coating, impregnant, or bonding agent 525 .Metal mesh or expanded material 526 ..Wadded or compressed 527 .Fibrous or strand form 528 ..Organic (e.g., vegetable) 529 MISCELLANEOUS (E.G., SHAPES) * ****************************** * DIGESTS * ****************************** DIG 1 Graduated electrostatic field DIG 2 Vacuum cleaner bags DIG 3 Vacuum cleaner DIG 5 Methods of making filter DIG 6 Magnetic couplings DIG 7 Black liquor treatment DIG 8 Built-in vacuum cleaners DIG 9 Radioactive filterss DIG 10 Residue burned DIG 12 Pocket type filter DIG 13 Polyurethane filters DIG 14 Inertia separator DIG 15 Cold traps DIG 17 Compressed air water removal DIG 18 Work bench DIG 19 Crankcase ventilation DIG 20 Spark arrester DIG 21 Silencer cleaner DIG 23 Steam separators DIG 24 Viscous coated filter DIG 25 Agglomerators DIG 26 Bag coupling DIG 27 Cleaners, liquid DIG 28 Carburetor attached DIG 29 Air curtains DIG 30 Exhaust treatment DIG 31 Filter frame DIG 32 Gaseous fluid conveying DIG 33 Gas mask canister DIG 34 Indicator and controllers DIG 35 Respirators and register filters DIG 36 Kitchen hoods DIG 37 Louvers DIG 38 Tubular collector electrode DIG 39 Electrets separator DIG 42 Foam filter materials DIG 43 Knitted filter mediums DIG 44 Pile and pile-type filter mediums DIG 45 Woven filter mediums DIG 46 Spray booths