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363-131 121-55A 14-.5
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Class Number: 110
Class Title: FURNACES
Subclass Subclass
Number Title
185 WITH CONTROL MEANS RESPONSIVE TO A SENSED CONDITION
186 .Feed control
187 ..Supplemental burner
188 ..Of noncombustible fluid; e.g., air, etc.
189 ...Pressure sensor
190 ...Temperature sensor
191 WITH PROGRAMMED OR CYCLIC CONTROL MEANS
192 .Timer
193 WITH SAFETY MEANS
194 CREMATORY
195 FORGE
196 STRAW BURNER AND FEEDER
197 .External structure detachable from firebox
198 LOCOMOTIVE
199 .Having noncombustible fluid feed means
200 ..And noncombustible fluid treatment means
201 ...Preheater
202 ..Undergrate feed
203 WITH EXHAUST GAS TREATMENT MEANS
204 .Recirculation means
205 ..Air supply means
206 ...Including pump
207 ....Eductor
208 .Furnace having multiple firebox
209 ..By undergrate means
210 .Afterburning means
211 ..Means directing main flame or combustion products for
afterburning
212 ..Liquid or gaseous fueled
213 ...Swirl inducing
214 ..Including means to add air
215 .Means contacting exhaust gas with liquid
216 .Means separating particles from exhaust gas
217 ..Outlet screen
218 WITH FUEL TREATMENT MEANS
219 .Preliminary refuse treatment means
220 ..Sorter
221 ...Dewatering
222 ..Comminutor
223 ..Compactor
224 ..Dryer
225 ...Furnace with multiple hearth
226 ...Rotary drum type
227 ...Having means to effect or facilitate refuse movement
228 ....Mechanical conveying means
229 .Means for liberating gas from solid fuel
230 ..Coking means
231 ...Undergrate
232 .Means for pulverizing solid fuel
233 COMBINED
234 .With boiler
235 REFUSE INCINERATORR
236 .Means for cleaning by combustion
237 .For explosive or radioactive material
238 .For liquid refuse
239 .For stump in situ
240 .Vehicle mounted
241 .Portable
242 .Closed vessel
243 .Refuse suspended in or supported by a fluid medium
244 ..Suspended in a gaseous medium
245 ...Fluidized bed of noncombustible particles
246 .Rotary drum
247 .Rotary grate movable about a vertical axis
248 .Refuse supported above grate
249 .Reverberatory type
250 .With electric heater
251 .Including air supply means extending vertically within refuse
252 ..With supplementary burner
253 .With means shielding burner for refuse
254 .With air preheater
255 .With means for advancing or handling refuse or residue
256 ..Means for feeding through chimney
257 ..Continuous advance
258 ..Refuse agitating
259 ..Residue handling; e.g., ash, etc.
260 INCLUDING FLUID FUEL BURNER
261 .Powdered solid fuel
262 ..Alternate fuel
263 UTILIZING POWDERED FUEL
264 .Having rotary flow means
265 .Having secondary air mixing means
266 .With residue handling means (e.g., ash, etc.)
267 INCLUDING MEANS TO FEED SOLID FUEL
268 .Movable grate
269 ..Endless chain
270 ...Including air supply means
271 ....And chain seal
272 .....Between runs
273 ...Inclined run
274 ...Mobile support
275 ..Rotary
276 ...About horizontal axis
277 ...Conical type
278 ..Oscillatory
279 ...Manual actuation means
280 ...Multiple retort
281 ..Reciprocatory
282 ...Including power feed
283 ....Underfeed
284 .....Power feed perpendicular to grate
285 ..Raking bar type
286 .Power driven
287 ..Having circular grate
288 ...And forced air supply
289 ..Pusher ram
290 ...Parallel to grate
291 ....Inclined step grate
292 .Separate feed
293 .Supply hopper; e.g., magazine, etc..
294 ..Cage grate
295 HAVING MULTIPLE FIREBOX
296 .Including fluid supply means
297 INCLUDING NONCOMBUSTIBLE FLUID SUPPLY MEANS
298 .Hollow grate
299 ..Having flow controller
300 ...For forced air supply
301 .Having treatment means
302 ..Preheater
303 ...And furnace gas mixer
304 ...Remote from combustion chamber
305 ...Bridgewall
306 ...Water or steam
307 ....Below grate
308 ...Internal to or attachable to wall
309 ..And flow modifying means
310 ...Deflector
311 ....Grate mounted
312 .....Below grate
313 ...Feed nozzle
314 .Supplying through hollow bridgewall
315 DOWNDRAFT
316 .Grateless
317 INCLUDING FIREBOX
318 .Having arch
319 ..And flame shaper
320 ..Adjustable dimension firebox
321 ..Door arch
322 BAFFLE OR HEAT RETAINER STRUCTURE
323 .Refractory type
324 ..Having concavity for engaging pipe exterior
325 ...And structure to bridge pipes
326 .Metallic type
327 SOLID FUEL FEED STRUCTURE
328 .Movable grate
329 ..Endless chain
330 ...Having sprocket drive
331 ARCH OR ROOF STRUCTURE
332 .Planar surface area
333 ..Inclined
334 ...And convex surface area
335 .Concave surface area
336 WALL STRUCTURE
337 .Bridgewall
338 BRICK ELEMENT
339 .Having hanger
340 ..And metal casing
341 PROCESS
342 .Treating fuel constituent or combustion product
343 ..To prevent corrosion of furnace
344 ..Combustion product
345 ...Exhaust gas; e.g., pollution control, etc.
346 .Incinerating refuse
347 .Burning pulverized fuel
348 .Supplying fluid
101 R FUEL FEEDERS
102 .Shavings and sawdust
103 .Boiler controlledd
104 R .Blower
105 ..Hopper
105.5 ..Locomotive stroker type
105.6 ...Underfeed to jet only
106 ..Pulverizer
104 A ..Locomotive distributor plates
104 B ..Burners, per se
107 .Bridgewall
108 .Hopper
..Pusher
109 ...Reciprocating
110 ...Screw
.Spreader
111 ..Carrier
112 ...Door
113 ..Oscillating
114 ..Reciprocating plunger
115 ..Rotary
.Chute
116 ..Door
117 ...Multiple charge
118 .Vertical drop
101 A .Shiftable stoker
101 C .Automatic control
101 CF .Fuel control
101 CA .Feeder responsive to fuel bed temperature
101 CB .Feeder responsive to fuel bed pressure
101 CC .Feeder responsive to fuel bed weight
101 CD .Feeder responsive to fuel bed height
119 SPARK ARRESTERS
120 .Furnace conductor
121 .Combined stack and smokebox
122 .Smokebox
123 ..Draft regulator
124 ..Divided
125 ..Hood
126 ..Vertical drum
127 ..Ejector
128 ..Water receptacle
129 ..Discharge valve
145 SPARK AND SMOKE CONDUCTORS
146 .Train
147 DRAFT REGULATORS
148 .Separation of gases
150 .Steam injector
157 ..Feeding air
158 ...Door operated
.Stack
159 ..Portable
160 ..Air jet
161 ...Steam injected
162 .Fan exhaust
163 .Damper
165 R ASH RECEIVING AND HANDLING DEVICES
166 .Ashpans
167 ..Dumping
168 ...Conjoined floor sections
169 ...Reciprocating discharge valvee
170 ...Scraper
171 ..Steam and water attachments
165 A .Fly ash disposers
172 FRONTS
173 R DOORS
174 .Feeding air and steam
175 R .Feeding air
175 A ..Automatic door dampers
176 .Operators
177 ..Motor
178 ..Pedal
179 .Fluid screens
173 A .Soaking pit covers
173 B .Explosion relief doors
173 C .Compound doors
* DOORS AND CASINGS
180 .Cooling
181 DOOR CASINGS AND ARCHES
182 .Feeding air
182.5 TUYERES
182.6 .Forge
184 SMOKESTACKS
349 MISCELLANEOUS