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363-131 121-55A 14-.5
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classes of the form Dxx.yy) are not retreivable.
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