US Patent Class 96
GAS SEPARATION: APPARATUS



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  MAGNETIC SEPARATING MEANS
2  DD  .~ Electromagnet
3  DD  .~ And electric field separation apparatus
4  DD  APPARATUS FOR SELECTIVE DIFFUSION OF GASES (E.G., SEMIPERMEABLE MEMBRANE, ETC.)
5  DF  .~ Immobilized liquid membrane
6  DF  .~ Membrane to degasify liquid
7  DF  .~ Plural separate barriers
8  DF  .~.~ Parallel hollow fibers or cylinders (e.g., bundled, etc.)
9  DF  .~.~ Barriers connected in series
10  DF  .~ Hollow fiber or cylinder
11  DF  .~ Plural layers (e.g., laminated barrier, etc.)
12  DF  .~.~ Organic compound containing layer
13  DF  .~.~.~ Ring containing organic compound
14  DF  .~ Membrane having ring containing organic compound
15  DF  ELECTRIC FIELD SEPARATION APPARATUS (E.G., ELECTRICAL PRECIPITATOR, ELECTROSTATIC TYPE, ETC.)
16  DF  .~ And radioactive or ultraviolet light ionizer
17  DF  .~ Electric charge produced by friction (e.g., by gas flow, etc.)
18  DF  .~ With control means responsive to sensed condition
19  DF  .~.~ Concentration or temperature sensing means
20  DF  .~.~ Arc, spark, or flashover sensing means
21  DF  .~.~.~ Current sensing means
22  DF  .~.~ Current sensing means
23  DF  .~.~.~ And voltage sensing means
24  DF  .~.~ Voltage sensing means
25  DF  .~ With programmed, cyclic, or time responsive control means
26  DF  .~ With indicating, signal, or alarm means
27  DF  .~ With means to add charged solid or liquid particles to gaseous fluid mixture
28  DF  .~ Electrode cleaner, apparatus part flusher, discharger, or wet collector (e.g., wet film electrode, etc.)
29  DF  .~.~ Electrode or part thereof moved on or against another
30  DF  .~.~ With shutdown or voltage adjustment means interrelated with cleaning (e.g., cutting off flow of gaseous fluid mixture or electrical current, etc.)
31  DF  .~.~.~ Sequential operation
32  DF  .~.~ Vibrating, jarring, or rapping means
33  DF  .~.~.~ Mounted on rotatable shaft (e.g., swinging arm or hammer, etc.)
34  DF  .~.~.~.~ Having reciprocating rod or piston type activating or rapping means
35  DF  .~.~.~.~ Activated by second swinging or rotatable means
36  DF  .~.~.~ Magnet or solenoid activating means
37  DF  .~.~.~ Reciprocating rod or piston type activating or rapping means
38  DF  .~.~.~ Horizontal striking means
39  DF  .~.~ Movably mounted electrode
40  DF  .~.~.~ Nonliquid contact cleaning means
41  DF  .~.~.~ Liquid bath for immersion of electrode
42  DF  .~.~.~.~ Endless belt carried or belt type electrode
43  DF  .~.~ Fluid contacting means (e.g., suction means, etc.)
44  DF  .~.~.~ Liquid applying means for electrode (e.g., projection type, etc.)
45  DF  .~.~.~.~ Weir or overflow wet film type
46  DF  .~.~.~.~ Having movable spraying means for liquid
47  DF  .~.~.~.~ Including means to recirculate liquid
48  DF  .~.~.~.~ Including baffle for directing gas flow
49  DF  .~.~.~.~ Cylindrical electrode
50  DF  .~.~.~ Apparatus purging or flushing means using gas or liquid
51  DF  .~.~ Electrode scraping, brushing, or wiping means
52  DF  .~ With means for vapor or liquid contact (e.g., for gas separation, cooling, conditioning, etc.)
53  DF  .~.~ Liquid spray means
54  DF  .~ Having alternating electrostatic field
55  DF  .~ And serially arranged nonelectrical separator
56  DF  .~.~ Bypass or modification of flow of gaseous fluid mixture to second stage
57  DF  .~.~ Precedent nonelectrical separator
58  DF  .~.~.~ Separator is single porous filter
59  DF  .~.~ Total flow of gaseous fluid mixture through porous collector electrode
60  DF  .~ Including gas flow distribution means
61  DF  .~.~ Spiralling inflow, centrifugal, or whirl generating surface means
62  DF  .~.~ For contact with ionizing electrode or uniform flow in treating zone
63  DF  .~.~.~ Having means for driving gas flow (e.g., fan, blower, etc.)
64  DF  .~.~.~ Perforated baffle or gas diffuser
65  DF  .~.~ Collecting electrode modifies gas flow
66  DF  .~.~.~ Total flow of gaseous fluid mixture through interstitial or porous collector
67  DF  .~.~.~.~ Zigzag running length
68  DF  .~.~.~.~ Particle type collector
69  DF  .~.~.~ Layered, laminated, or coated
70  DF  .~.~.~ Plural separate electrode members aligned in direction of gas flow
71  DF  .~.~.~ Segmented electrode
72  DF  .~.~.~ Continuous electrode with integral or attached projections
73  DF  .~.~ Flow distribution means for parallel sections
74  DF  .~ With nonelectrical gas treating or conditioning means
75  DF  .~ Plural diverse electric fields
76  DF  .~.~ One or more electrodes common to plural fields
77  DF  .~.~ Serially arranged ionizing and collecting or agglomerating fields
78  DF  .~.~.~ Adjacent parallel collector electrodes are differently charged
79  DF  .~.~.~.~ Collecting electrodes are flat plates
80  DF  .~ With details of voltage supply means or circuitry
81  DF  .~.~ Closure interlock or removable section
82  DF  .~.~ Circuit portions
83  DF  .~ Electrode retaining or supporting means
84  DF  .~.~ Plural electrode unit assembly type (e.g., unitized, etc.)
85  DF  .~.~.~ Disposable (e.g., collapsible or foldable cardboard, etc.)
86  DF  .~.~.~ Parallel disk or plate collector unit
87  DF  .~.~ Parallel disk or plate collector
88  DF  .~.~ With insulation feature
89  DF  .~.~ Tensioning means
90  DF  .~.~.~ Spring or expansible bellows
91  DF  .~.~.~ Hanging weight
92  DF  .~.~ Suspensory means
93  DF  .~.~.~ Nonrigid support (e.g., hanging electrode, etc.)
94  DF  .~.~ Movably supported during use or for orientation
95  DF  .~ Ionizing electrode details (e.g., coil, mat, corona suppression, etc.)
96  DF  .~.~ Filamentary or filar form
97  DF  .~.~ Sharpened point, serrated, or tip discharge
98  DF  .~ Collecting electrode details (e.g., sheet type, running length web, etc.)
99  DF  .~.~ Dielectric material containing or covering
100  DF  .~.~ Multiple similar elements or sections (e.g., built up, etc.)
101  DF  CHROMATOGRAPHY TYPE APPARATUS
102  DF  .~ With control means responsive to sensed condition
103  DF  .~ With programmed, cyclic, or time responsive control means
104  DF  .~ Plural separate and distinct stages
105  DF  .~ Including injection system or inlet fluid distributor
106  DF  .~ Having system connector or coupling
107  DF  .~ Having imbedded baffle or flow distributor
108  DF  SOLID SORBENT APPARATUS
109  DF  .~ With control means responsive to sensed condition
110  DF  .~.~ Fluid flow sensing means
111  DF  .~.~ Concentration sensing means
112  DF  .~.~ Temperature sensing means
113  DF  .~.~ Pressure sensing means
114  DF  .~.~.~ And programmed, cyclic, or time responsive control means
115  DF  .~ With programmed, cyclic, or time responsive control means
116  DF  .~.~ Regulating or metering means
117  DF  .~.~ Indicating, signal, or alarm means
117.5  DF  .~ With indicating means (e.g., color change indicator, etc.)
118  DF  .~ Soluble or deliquescent type (e.g., calcium chloride, etc.)
119  DF  .~.~ Supported by holder with drip openings
120  DF  .~.~.~ Including liquid contacting means
121  DF  .~ Plural solid sorbent beds
122  DF  .~.~ With recovery or separation means for desorbing fluid
123  DF  .~.~.~ Movable solid sorbent bed (e.g., fluidized bed, etc.)
124  DF  .~.~ With rotating gas distributor
125  DF  .~.~ Rotating solid sorbent bed
126  DF  .~.~ With heat exchange means
127  DF  .~.~.~ And means for driving gas flow (e.g., pump, blower, compressor, etc.)
128  DF  .~.~.~.~ Compressor
129  DF  .~.~ Zigzag arrangement of flat solid sorbent beds for parallel flow
130  DF  .~.~ With means for regenerating solid sorbent
131  DF  .~.~ Serial
132  DF  .~.~.~ Diverse type
133  DF  .~.~ Plural canisters
134  DF  .~ Plural diverse separating means
135  DF  .~.~ At least one a dispersed or impregnated solid sorbent bed
136  DF  .~.~ Plural housings or casings for separating components
137  DF  .~.~ With means to compress or compact solid sorbent bed
138  DF  .~.~ Including means to access or replace solid sorbent
139  DF  .~.~ Including baffle for modifying gas flow (e.g., flow vanes, diffuser, etc.)
140  DF  .~.~.~ And means for driving gas flow
141  DF  .~.~.~ And means regenerating solid sorbent
142  DF  .~.~ With means for driving gas flow
143  DF  .~ With means regenerating solid sorbent
144  DF  .~.~ Gas contacting means
145  DF  .~.~.~ Means applies steam to solid sorbent
146  DF  .~.~ Heat exchanger to regenerate
147  DF  .~ Having mountable casing
148  DF  .~.~ Storage or food receptacle
149  DF  .~ With means to compress or compact solid sorbent bed
150  DF  .~ Movable solid sorbent bed (e.g., fluidized bed, etc.)
151  DF  .~ Including means to access or replace solid sorbent
152  DF  .~ Including baffle for modifying gas flow (e.g., imbedded in solid sorbent, etc.)
153  DF  .~ Dispersed or impregnated solid sorbent bed
154  DF  .~ Layered or laminated (e.g., solid sorbent on support material, etc.)
155  DF  DEGASIFYING MEANS FOR LIQUID
156  DF  .~ With control means responsive to sensed condition
157  DF  .~.~ With liquid level sensing means
158  DF  .~.~.~ Separator inlet or outlet valve responsive to float level
159  DF  .~.~.~.~ Plural floats
160  DF  .~.~.~.~.~ And temperature sensing means
161  DF  .~.~.~.~.~ And pressure sensing means
162  DF  .~.~.~.~ Plural float-controlled valves
163  DF  .~.~.~.~.~ At least one is gas outlet valve
164  DF  .~.~.~.~.~.~ And pressure sensing means
165  DF  .~.~.~.~ Gas outlet valve responsive to float level
166  DF  .~.~.~.~.~ And pressure sensing means
167  DF  .~.~.~.~.~ Centrifugal separating means
168  DF  .~.~.~.~ Liquid outlet valve responsive to float level
169  DF  .~.~.~.~.~ And pressure sensing means
170  DF  .~.~.~.~.~ And recycle means (e.g., for degasified liquid, etc.)
171  DF  .~.~.~.~.~ And tangential flow or centrifugal separating means
172  DF  .~.~.~.~ With pressure sensing means
173  DF  .~.~ With temperature sensing means
174  DF  .~.~ With pressure sensing means
175  DF  .~ Sonic means (i.e., using sound waves)
176  DF  .~ Defoaming means
177  DF  .~.~ Centrifugal or rotating separator
178  DF  .~.~.~ Having flow-through foam restrictor or eliminator (e.g., screen, etc.)
179  DF  .~.~ Having flow-through foam restrictor or eliminator (e.g., screen, etc.)
180  DF  .~.~ Having recycle means (e.g., for foam or separated liquid, etc.)
181  DF  .~ And liquid contact means
182  DF  .~ With separator for multiple liquids
183  DF  .~.~ Reservoir with three or more outlets, each for different fluid
184  DF  .~.~.~ Horizontal reservoir
185  DF  .~.~.~ With heat exchange means
186  DF  .~.~.~.~ And internal filter or screen (e.g., coalescer, etc.)
187  DF  .~ Tank or tank part movably mounted on support (e.g., for deaerating aircraft lubricating oil, etc.)
188  DF  .~ Including means to remove mist entrained in gas
189  DF  .~.~ Baffle, filter, or screen
190  DF  .~.~.~ Plural, serially arranged
191  DF  .~.~.~.~ Concentric tubular members
192  DF  .~.~.~.~ Alternate central and peripheral gas paths
193  DF  .~ Pressure reducing means
194  DF  .~.~ And liquid flow modifier
195  DF  .~.~.~ Centrifugal type
196  DF  .~.~.~.~ Rotating means
197  DF  .~.~.~ Baffle
198  DF  .~.~.~.~ Plural baffles in series
199  DF  .~.~.~.~.~ With heat exchange means
200  DF  .~.~.~ Spray nozzle
201  DF  .~.~ With heat exchange means
202  DF  .~ With gas contacting means
203  DF  .~.~ Spray nozzle
204  DF  .~ Liquid flow slinger, spreader, deflector, disperser, or rotation modifier
205  DF  .~.~ And preliminary heat exchange means
206  DF  .~.~ At inlet to separator
207  DF  .~.~.~ Plural, serially arranged
208  DF  .~.~.~ Centrifugal type
209  DF  .~.~.~.~ Tangential inlet
210  DF  .~.~.~.~.~ Including tangential outlet
211  DF  .~.~.~.~.~ Split or plural inlets
212  DF  .~.~.~.~.~ Including inner and outer casings or plural compartments
213  DF  .~.~.~.~ Tangential outlet
214  DF  .~.~.~.~ Rotating means
215  DF  .~.~ Plural, serially arranged
216  DF  .~.~ Centrifugal type
217  DF  .~.~.~ Impeller or screw on rotating shaft
218  DF  .~ Heat exchanger to degasify
219  DF  .~ And fluid filter
220  DF  .~ Including baffle
221  DF  COLD WALL-HOT WALL THERMAL DIFFUSION-TYPE SEPARATOR
222  DF  WITH MEANS TO ADD FRAGRANCE OR SCENT
223  DF  WITH STERILIZING MEANS
224  DF  .~ Germicidal lamp (e.g., ultraviolet light, etc.)
225  DF  .~ Heater (e.g., electrical, steam, etc.)
226  DF  .~ Means uses chemical antimicrobial agent
227  DF  .~.~ Liquid agent
228  DF  WITH MEANS USING LIQUID TO CLEAN SEPARATING APPARATUS
229  DF  .~ Movably mounted cleaning liquid distributor
230  DF  .~ Movable separating media
231  DF  .~.~ Immersion cleaning
232  DF  .~ Parallel vanes or baffles
233  DF  .~ Filter
234  DF  GAS AND LIQUID CONTACT APPARATUS FOR GAS SEPARATION INCLUDING MEANS TO REGENERATE, PURIFY, OR SEPARATE CONTACT LIQUID
235  DF  .~ Means to add conditioning agent to contact liquid
236  DF  .~ Gravitational separator for contact liquid
237  DF  .~.~ With heavier component mechanical mover, trap, chamber, or recess in gravitational separator
238  DF  .~.~ With lighter component removal means in gravitational separator
239  DF  .~.~ With baffle, plate, or weir within gravitational separator to aid contact liquid regeneration, purification, or separation
240  DF  .~ Filter for contact liquid
241  DF  .~.~ Including filter adjusting or removal means
242  DF  .~ Heating or cooling means
243  DF  WITH GAS AND LIQUID CONTACT APPARATUS
244  DF  .~ With control means responsive to sensed condition
245  DF  .~.~ Contact liquid level sensing means
246  DF  .~.~.~ By pressure sensing means
247  DF  .~.~.~ Valve responsive to float level
248  DF  .~.~.~.~ Plural floats
249  DF  .~.~.~.~ Contact liquid inlet valve responsive to float level
250  DF  .~.~.~.~ Contact liquid outlet valve responsive to float level
251  DF  .~.~ Temperature sensing means
252  DF  .~.~ Gas flow rate sensing means
253  DF  .~.~ Pressure sensing means
254  DF  .~.~.~ Pressure sensitive diaphragm
255  DF  .~ With programmed, cyclic, or time responsive control means
256  DF  .~ Contact liquid movement by flowing gas force
257  DF  .~ Including means varying gas flow to control saturation or dispersion
258  DF  .~.~ Pivotal means
259  DF  .~.~.~ About an end
260  DF  .~.~ Axially movable means
261  DF  .~.~.~ Conically or frustoconically shaped
262  DF  .~ Having contact liquid level maintaining means (e.g., weir, wall openings, tubes, gates, etc.)
263  DF  .~ For portion of total gas flow
264  DF  .~.~ Utilizing a valve
265  DF  .~ Including means to control contact liquid return flow to supply or sump
266  DF  .~.~ With heat exchange means
267  DF  .~ Diverse means for adding liquid for gas and liquid contact
268  DF  .~.~ Moving apparatus part for liquid contact
269  DF  .~.~.~ And liquid bath or reservoir for contact
270  DF  .~.~.~ And contact liquid sprayer
271  DF  .~.~ Means forming free-falling contact liquid curtain
272  DF  .~.~ Means forming flowing contact liquid film on apparatus surface
273  DF  .~.~.~ And contact liquid sprayer
274  DF  .~.~ Means to apply contact liquid to solid or porous sheet or tube
275  DF  .~.~.~ Venturi passage
276  DF  .~.~.~ And liquid bath or reservoir for contact
277  DF  .~.~.~ And contact liquid sprayer
278  DF  .~.~ Liquid bath or reservoir for contact
279  DF  .~.~.~ Submerged inlet for subsurface contact
280  DF  .~.~.~ And contact liquid sprayer
281  DF  .~ Movably mounted contact liquid distributor
282  DF  .~.~ Rotatable solid disc or surface
283  DF  .~.~.~ Partially immersed within contact liquid
284  DF  .~.~.~ Rotation causes contact liquid to be drawn from liquid reservoir (e.g., suction, etc.)
285  DF  .~.~.~ Rotation caused by flowing contact liquid or gas
286  DF  .~.~ Rotatable porous disc or surface
287  DF  .~.~.~ Partially immersed within contact liquid
288  DF  .~.~.~.~ Belt type
289  DF  .~.~.~.~ Drum type
290  DF  .~ Particulate media, shaped packing elements (e.g., Raschig rings, Berl saddles, etc.), or porous media for gas and liquid contact
291  DF  .~.~ Moving
292  DF  .~.~ In engine air inlet
293  DF  .~.~ In fuel dispersal means (e.g., in carburetor, etc.)
294  DF  .~.~ Humidifier or evaporative cooler
295  DF  .~.~ Gas dehydrator (e.g., glycol type, etc.)
296  DF  .~.~ Mesh or fabric screen, fibrous or filamentary pad, or perforated plate
297  DF  .~.~.~ By sprayer
298  DF  .~.~ Foam
299  DF  .~.~ Parallel plate, sheet, or member
300  DF  .~.~ Downstream gas separation means (e.g., mist eliminator, etc.)
301  DF  .~ Fixed gas whirler or rotator for gas separation
302  DF  .~.~ Having conical baffle with apex facing upstream
303  DF  .~.~ Contact liquid applied in central gaseous flow path of concentric gaseous flow paths
304  DF  .~.~.~ Baffle, vane, or plate in outer gaseous flow path
305  DF  .~.~.~ Baffle, vane, or plate in central gaseous flow path
306  DF  .~.~ Liquid contact preceding whirler or rotator
307  DF  .~.~.~ Means forming free-falling contact liquid curtain
308  DF  .~.~.~ Means forming flowing contact liquid film on apparatus surface
309  DF  .~.~.~ Liquid bath or reservoir for contact
310  DF  .~.~.~.~ And downstream filter
311  DF  .~.~.~ Contact liquid spray
312  DF  .~.~.~.~ Within a venturi passage
313  DF  .~.~.~.~ Tangential gas inlet into whirler or rotator
314  DF  .~.~ Liquid contact within whirler or rotator
315  DF  .~.~.~ Means forming free-falling contact liquid curtain
316  DF  .~.~.~ Means forming flowing contact liquid film on apparatus surface
317  DF  .~.~.~ Liquid bath or reservoir for contact
318  DF  .~.~.~.~ And downstream filter
319  DF  .~.~.~ Contact liquid spray
320  DF  .~.~.~.~ Baffle means for producing or aiding contact liquid spray formation
321  DF  .~.~ Having tangential gaseous fluid mixture inlet
322  DF  .~ Means forming flowing contact liquid film on apparatus surface or free- falling contact liquid curtain for gas and liquid contact
323  DF  .~.~ Venturi type
324  DF  .~.~ Curved impingement surface
325  DF  .~.~ Impingement baffle or pan
326  DF  .~.~ Liquid flow surface perforated for gas flow therethrough
327  DF  .~.~ Imperforate film supporting surface
328  DF  .~.~.~ Inclined
329  DF  .~ Liquid bath or reservoir for contact
330  DF  .~.~ Having back pressure relief or liquid blow back trap or separator
331  DF  .~.~ Having antisplash means or means for retaining contact liquid during upset or tilt
332  DF  .~.~ With movable agitator in bath or reservoir for commingling gas and liquid
333  DF  .~.~ Nonliquid gas separator positioned above liquid bath or reservoir
334  DF  .~.~.~ Having means for forming contact liquid into spray or heap
335  DF  .~.~.~.~ Central downward gas inlet
336  DF  .~.~.~.~ Gas flows tangentially to liquid surface
337  DF  .~.~.~ Superposed filter
338  DF  .~.~.~.~ Having flow guide preventing entire filter face contact by gas flow
339  DF  .~.~.~.~ Surrounding gas flow path
340  DF  .~.~.~.~.~ Submerged inlet for subsurface contact
341  DF  .~.~.~.~.~.~ And separable liquid sump
342  DF  .~.~.~.~ Submerged inlet for subsurface contact
343  DF  .~.~.~.~.~ Multiple outlet orifices in submerged inlet
344  DF  .~.~.~.~.~.~ Perforated pipe
345  DF  .~.~.~.~.~.~ Perforated plate
346  DF  .~.~.~.~.~ Submerged baffle
347  DF  .~.~.~.~ Gas flows tangentially to liquid surface
348  DF  .~.~.~ Superposed stationary deflector
349  DF  .~.~.~.~ Flow reversal
350  DF  .~.~.~.~ Tortuous path
351  DF  .~.~ Submerged inlet for subsurface contact
352  DF  .~.~.~ Multiple outlet orifices in submerged inlet
353  DF  .~.~.~.~ Perforated pipe
354  DF  .~.~.~.~ Perforated plate
355  DF  .~ Nonliquid gas separating means downstream of liquid contact means
356  DF  .~.~ Parallel vanes or baffles
357  DF  .~.~.~ And diverse separating means
358  DF  .~.~ Overlapping vanes or baffles
359  DF  .~.~ Moving centrifugal separator
360  DF  .~.~ Impact vane, baffle, or wall
361  DF  .~.~ Filter
362  DF  .~.~.~ Perforated plate
363  DF  .~.~.~ Mesh or fabric screen
364  DF  .~.~.~ Fibrous or filamentary pad
365  DF  .~.~ And preliminary separating means
366  DF  .~ Deflector upstream of liquid contact means
367  DF  .~.~ Imperforate, impermeable baffle
368  DF  .~.~.~ Conical
369  DF  .~.~.~ Ribbed or corrugated
370  DF  .~.~.~ Angled or inclined
371  DF  .~ Filter upstream of liquid contact means
372  DF  INCLUDING INLET MEANS FOR DIVERSE GAS OR SOLID FOR GAS TREATMENT
373  DF  .~ Solid or vaporized solid
374  DF  .~ Steam is diverse gas
375  DF  .~.~ Added into combustion products
376  DF  .~.~ To effect particle removal (e.g., dust removal, etc.)
377  DF  .~ And outlet for condensed vapors
378  DF  .~ Downstream of separator
379  DF  .~ And gas regulation for each inflowing gas
380  DF  WITH SOUND DAMPING MEANS (I.E., NOISE ATTENUATION)
381  DF  .~ Sound absorbing material
382  DF  .~.~ For vacuum cleaner
383  DF  .~.~ For internal combustion engine
384  DF  .~ Sound attenuating gas flow path
385  DF  .~.~ Baffle in flow path
386  DF  .~.~.~ For internal combustion engine
387  DF  .~.~ Perforated surface
388  DF  .~.~ Expansion chamber
389  DF  SONIC MEANS (I.E., USING SOUND WAVES)
390  DF  SHELF OR EDGE TYPE
391  DF  .~ Helical or spiral wound strip
392  DF  .~ Parallel plates or discs
393  DF  .~.~ Grooved or slotted
394  DF  .~.~ Having fibrous filter material or porous structure
395  DF  .~ Nap-like or pile-like material
396  DF  WITH DRIP OR ESCAPING MATERIAL, OTHER THAN SEPARATED CONSTITUENT, COLLECTOR
397  DF  WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION FOR CONTROL OF GAS FLOW OR NONGASEOUS CONSTITUENT DISCHARGE
398  DF  .~ Ejection of residue container or separating unit (e.g., filter or bag, etc.)
399  DF  .~ Gas cutoff or diversion
400  DF  .~.~ Gas pressure responsive means
401  DF  .~.~.~ And temperature responsive means
402  DF  .~.~.~ Plural gas pressure responsive means
403  DF  .~.~.~ For vacuum producing means (e.g., vacuum cleaner, etc.)
404  DF  .~.~ Collecting bag presence responsive means
405  DF  .~.~ By response to accumulated separated liquids or solids
406  DF  .~.~.~ By float
407  DF  .~.~ Temperature or humidity responsive
408  DF  .~ Regulation of separated constituent discharge
409  DF  .~.~ By liquid accumulation responsive float
410  DF  .~.~.~ Side discharge from reservoir
411  DF  .~.~.~.~ Control valve in line external to reservoir
412  DF  .~.~.~ Control valve in external bottom discharge line from reservoir
413  DF  WITH SAMPLING MEANS
414  DF  WITH INSPECTION MEANS
415  DF  .~ Translucent
416  DF  .~ Transparent
417  DF  WITH SIGNALS, INDICATORS, MEASURING, OR TESTING MEANS
418  DF  .~ Light signal
419  DF  .~ Sound signal
420  DF  .~ Temperature measuring means
421  DF  .~ Pressure measuring means
422  DF  .~ Gas flow rate measuring means
423  DF  .~ Position measuring means
424  DF  WITH TIMING OR CHANGEABLE PROGRAMMING MEANS
425  DF  .~ Of cleaning mechanism for separating media
426  DF  .~.~ Sequential cleaning of plural separating media
427  DF  .~.~.~ Multiple bag-type filters in chamber
428  DF  .~.~ For control of pneumatic reverse flushing
429  DF  .~ For advancing filter media
*********************************
FOREIGN ART COLLECTIONS
*********************************
FOR 100  DD  COLD WALL-HOT WALL THERMAL DIFFUSION TYPE SEPARATOR (55/209)
FOR 101  DF  WITH AUTOMATIC CONTROL MEANS FOR GAS OR NONGASEOUS CONSTITUENT DISCHARGE (55/210)
FOR 102  DF  .~ Ejection of residue container or separating unit (e.g., filter or bag) (55/211)
FOR 103  DF  .~ Gas cutoff or diversion (55/212)
FOR 104  DF  .~.~ Gas pressure responsive separate reactor surface means (552/13)
FOR 105  DF  .~.~ Bag presence responsive means (55/214)
FOR 106  DF  .~.~ By response to accumulated separated liquids (55/215)
FOR 107  DF  .~.~.~ By float (55/216)
FOR 108  DF  .~.~ Temperature or humidity responsive (55/217)
FOR 109  DF  .~ Regulation of separated constituent discharge (55/218)
FOR 110  DF  .~.~ By liquid accumulation responsive float (55/219)
FOR 111  DF  WITH LIQUID CONTACTING MEANS (E.G., GAS OR MEDIA CLEANING) (55/220)
FOR 112  DF  .~ With indirect heat exchange means for gas (55/222)
FOR 113  DF  .~ Diverse means for contacting or applying liquid (55/223)
FOR 114  DF  .~ For portion of total gas flow (55/224)
FOR 115  DF  .~ Liquid control responsive to flowing gas force (55/225)
FOR 116  DF  .~ With means varying gas flow to control saturation or dispersion (55/226)
FOR 117  DF  .~ With treating liquid automatic control or level maintaining means (55/227)
FOR 118  DF  .~ With treating liquid conditioning or separating means (55/225)
FOR 119  DF  .~ With means to control liquid return flow to supply or sump (55/229)
FOR 120  DF  .~ Movably mounted liquid distributor (e.g., moving nozzle) (55/230)
FOR 121  DF  .~.~ Distributor is gas contacting means (e.g., wet pad) (55/231)
FOR 122  DF  .~.~.~ With distributor immersing means (55/232)
FOR 123  DF  .~ Liquid applied to particulate or porous media for gas contact (55/233)
FOR 124  DF  .~.~ Media extends into bath (55/234)
FOR 125  DF  .~ With fixed gas whirler or rotator means for gas separation (55/235)
FOR 126  DF  .~.~ Liquid applied in central of concentric flow paths (55/236)
FOR 127  DF  .~.~ Liquid contact preceding or within whirler or rotator means (55/237)
FOR 128  DF  .~.~.~ Spray or film contact (55/238)
FOR 129  DF  .~.~ Reversal of gas flow by surface of body of liquid (55/239)
FOR 130  DF  .~ With means forming flowing liquid film or sheet for gas contact (55/240)
FOR 131  DF  .~.~ On impervious backing (e.g., corrugated plates) (55/241)
FOR 132  DF  .~ With liquid cleaning or flushing means for media (55/242)
FOR 133  DF  .~.~ Immersion cleaning (55/243)
FOR 134  DF  .~ Gas flow contacts liquid bath (55/244)
FOR 135  DF  .~.~ With back pressure relief or auxiliary liquid trap or baffle (55/245)
FOR 136  DF  .~.~ With antisplash means or means for retaining liquid during upset or tilt (55/246)
FOR 137  DF  .~.~ With movable means in bath for commingling gas and liquid (55/247)
FOR 138  DF  .~.~ Separator positioned above liquid bath (55/245)
FOR 139  DF  .~.~.~ With means for forming liquid into a spray or heap (55/249)
FOR 140  DF  .~.~.~ Superposed filter (55/250)
FOR 141  DF  .~.~.~.~ With flow guide preventing entire leading surface contact (55/251)
FOR 142  DF  .~.~.~.~ Surrounding gas flow path (55/252)
FOR 143  DF  .~.~.~.~.~ With separable liquid sump (55/253)
FOR 144  DF  .~.~.~.~.~ With anticreep means (55/254)
FOR 145  DF  .~.~.~.~ Submerged inlet for subsurface contact of liquid (55/255)
FOR 146  DF  .~.~ Submerged inlet for subsurface contact (55/256)
FOR 147  DF  .~ Gas separating means downstream of contacting means (55/257.1)
FOR 148  DF  .~.~ Parallel vanes (55/257.2)
FOR 149  DF  .~.~ Overlapping vanes (55/257.3)
FOR 150  DF  .~.~ Centrifugal (55/257.4)
FOR 151  DF  .~.~ Impact plate (55/257.5)
FOR 152  DF  .~.~ Perforated plate (55/257.6)
FOR 153  DF  .~.~ Heat exchange (55/257.7)
FOR 154  DF  .~.~ With preliminary separating means (55/258)
FOR 155  DF  .~.~ Filter type separating means (55/259)
FOR 156  DF  .~ With deflecting means preliminary to liquid contact (55/260)
FOR 157  DF  WITH INLET MEANS FOR DIVERSE FLUID OR SOLID FOR GAS TREATMENT (55/261)
FOR 158  DF  .~ Solid or vaporized solid (55/262)
FOR 159  DF  .~ Steam (55/263)
FOR 160  DF  .~ With outlet for condensed vapors (55/264)
FOR 161  DF  .~ Downstream of separator (55/265)
FOR 162  DF  .~ With flow control for each inflow gas (55/266)
FOR 163  DF  WITH HEATING OR COOLING MEANS FOR GAS, OR WITH INSULATION (55/267)
FOR 164  DF  .~ Two confined fluids in indirect contact (55/268)
FOR 165  DF  .~.~ Heat exchanger is part of separator or is contiguous therewith (55/269)
FOR 166  DF  WITH SAMPLING, WEIGHTING, TESTING, OR METERING MEANS (55/270)
FOR 167  DF  WITH TIMING OR CHANGEABLE PROGRAMMING MEANS (55/271)
FOR 168  DF  .~ Of cleaning mechanism for media (55/272)
FOR 169  DF  .~.~ Sequential cleaning of plural units (55/273)
FOR 170  DF  WITH SIGNALS AND INDICATORS (E.G., INSPECTION MEANS) (55/274)
FOR 171  DF  .~ Moisture sensitive (55/275)
FOR 172  DF  WITH SOUND DAMPING OR ACOUSTICAL MEANS (I.E., NOISE ATTENUATION) (55/276)
FOR 173  DF  SONIC TYPE (55/277)
FOR 174  DF  SHELF OR EDGE TYPE (55/278)
FOR 175  DF  WITH STERILIZING MEANS (55/279)
FOR 176  DF  WITH DRIP OR ESCAPING MATERIAL COLLECTOR (NOT OF SEPARATED CONSTITUENT AS SUCH) (55/280)