US Patent Class 431
COMBUSTION



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  COMBUSTION BURSTS OR FLARE-UPS IN PULSES OR SERIAL PATTERN
2  DF  PROCESS OF COMBUSTION OR BURNER OPERATION
3  DF  .~ Decarbonizing, cleaning or purging
4  DF  .~ Feeding flame modifying additive
5  DF  .~ Burning waste gas, e.g., furnace gas, etc.
6  DF  .~ Starting or shutdown procedure
7  DF  .~ In a porous body or bed, e.g., surface combustion, etc.
8  DF  .~ Flame shaping, or distributing components in combustion zone
9  DF  .~.~ Whirling, recycling material, or reversing flow in an enclosed flame zone
10  DF  .~.~ Oxidizer added to region of incomplete combustion
11  DF  .~ Heating feed
12  DF  .~ Controlling or proportioning feed
13  DF  WITH INDICATOR OR INSPECTION MEANS
14  DF  .~ Correlated with action of condition responsive burner control
15  DF  .~.~ Shutdown or aborted start attempt indicated
16  DF  .~.~.~ Responsive to gas leakage, overflow, abnormal pressure or electrical component malfunction
17  DF  .~ Burner component position indicator
18  DF  TIMER, PROGRAMMER, RETARDER OR CONDITION RESPONSIVE CONTROL
19  DF  .~ Responsive to combustion chamber pressure
20  DF  .~ Of or by exhaust damper or exhaust pump
21  DF  .~ By combustion destructible element, e.g., fusible plug, etc.
22  DF  .~ By sensing of gas leakage, flashback or escaped flame
23  DF  .~ Of means protecting burner component from combustion heat
24  DF  .~ With test circuit checking or analyzing flame sensing circuit for malfunction
25  DF  .~.~ Utilizing unidirectional electrical conducting effect of flame
26  DF  .~.~ Test circuit activated, then inactivated in starting
27  DF  .~ Providing repeated start attempts prior to shutdown upon failure to establish combustion
28  DF  .~ Actuation sequence of electric feed heater and feed flow controller or igniter
29  DF  .~ Control of purger, of scavenger or of combustion start-up delay period
30  DF  .~.~ Of scavenging or purging pump
31  DF  .~.~.~ Scavenging or purging period started by combustion demand
32  DF  .~ Of cleaning means
33  DF  .~ Of extinguishing means
34  DF  .~.~ Wick cover actuated in response to tilting of burner
35  DF  .~.~ By candle length or fuel quantity
36  DF  .~ Of or by burner feed supply heating structure
37  DF  .~.~ By controlling admittance of feed to structure
38  DF  .~.~.~ By pressure of feed in structure
39  DF  .~.~.~ By level of liquid feed in structure
40  DF  .~.~.~ By linear expansion of feed holder
41  DF  .~.~ Supply of heat to heating structure controlled
42  DF  .~ Sensor of first burner controls second burner, e.g., pilot and main, etc.
43  DF  .~.~ With electrical igniter
44  DF  .~.~.~ Igniter deenergized by fuel pressure variation in start effort
45  DF  .~.~.~ Igniter deenergized by timer, programmer or retarder
46  DF  .~.~.~ Igniter deenergization responsive to first burner ignition
47  DF  .~.~.~ With manual igniter actuation
48  DF  .~.~ Sensor of second burner controls third burner
49  DF  .~.~ And an igniting burner for first burner
50  DF  .~.~ Sensing of flame at both burners required for continued operation of second burner
51  DF  .~.~ Both burners cut off upon sensed extinguishment of first burner
52  DF  .~.~.~ First burner manual reset valve cut off
53  DF  .~.~.~.~ Single valve cuts off branched flow
54  DF  .~.~.~.~.~ Reset includes structure preventing feed to second burner prior to sensed combustion at first burner
55  DF  .~.~.~.~ Burners independently controlled by reset valves
56  DF  .~.~.~ Having cut-off valve by-pass or additional supply to first burner
57  DF  .~.~ Manual reset of second burner required upon first burner extinguishment
58  DF  .~.~ Sensor controls diaphragm motor of second burner valve
59  DF  .~.~ Electrical or magnetic sensor controls second burner
60  DF  .~ Of sequential operation of plural burners, e.g., pilot and main, etc.
61  DF  .~.~ By fuel feed pressure variation
62  DF  .~ Of diverse feed or feed rate in starting, e.g., enriching fuel mixture in starting, etc.
63  DF  .~.~ Combustion sensor establishes "run" feed
64  DF  .~ Level responsive means controls fuel level in wick pot or pot type burner
65  DF  .~ Fuel feed cut off by collected fuel over-flow
66  DF  .~ Sensor of electrical condition or temperature of electrical igniter controls fuel feed
67  DF  .~ Igniter heat up and fuel feed sequence controlled by timer or retarder
68  DF  .~ Sensing of hot combustion zone condition blocks restart attempt
69  DF  .~ Shutdown by sensed absence of flame in proving period
70  DF  .~.~ Recycle through proving period on sensing of failure of established flame
71  DF  .~.~ Igniter cut off when flame establishment proved
72  DF  .~ Of igniter and feed controlled sequence
73  DF  .~.~ By timer or retarder
74  DF  .~.~ Combustion zone sensor controls igniter
75  DF  .~ By combustion or combustion zone sensor
76  DF  .~.~ Combustion product composition sensor
77  DF  .~.~ Of shutdown by response to sensed combustion failure or overheat
78  DF  .~.~.~ By electrical control circuit
79  DF  .~.~.~.~ Photoelectric sensor
80  DF  .~.~.~.~ Thermoelectric generator sensor
81  DF  .~.~.~ Manual setting means for biased valve released upon sensed combustion
82  DF  .~.~.~ With fuel feed means downstream of shutdown valve
83  DF  .~.~.~ Sensor movement losses means holding shutdown valve open against bias
84  DF  .~.~.~.~ Held by latch, latch released by sensor
85  DF  .~.~.~.~.~ Expanding fluid sensor
86  DF  .~ By manually started timer or retarder, or by time of day device
87  DF  .~.~ Of combustion initiating means, e.g., match striker, etc.
88  DF  .~ By tilting, jarring, or mechanical damage
89  DF  .~ By condition of burner feed or feed means
90  DF  .~.~ Sensor of one feed controls another feed
91  DF  PROJECTOR AND IGNITER FOR LIQUID OR GELLED FUEL SLUG OR ROD, E.G., FLAME THROWER, ETC.
357  DF  ILLUMINATING FLASH DEVICE, E.G., PHOTOGRAPHIC BULB, ETC.
358  DF  .~ Fuel charge within sealed transparent casing, e.g., bulb
359  DF  .~.~ Plurality of bulbs associated for sequential ignition
360  DF  .~.~ Coated casing
361  DF  .~.~ Percussive ignition means ignites charge
362  DF  .~.~ Electrically ignited primer ignites charge
363  DF  .~ Having fuel charge feeding means
364  DF  .~ Having protective shield
365  DF  .~ Electrical means ignites charge
99  DF  MAGNESIUM STRIP
100  DF  INCANDESCENT MANTLE
101  DF  .~ Resiliently supported
102  DF  .~ Wick feeds vapor to mantle
103  DF  .~ Heated feed line section
104  DF  .~.~ Discrete flame holder heats section, e.g., auxiliary jet, etc.
105  DF  .~.~ Within mantle
106  DF  .~.~ Above upwardly fed mantle
107  DF  .~.~ Heated by downwardly fed mantle
108  DF  .~ Distinct means increases pressure at mantle
109  DF  .~ Depends below downwardly facing fuel discharger
110  DF  .~ Supported above upwardly facing fuel discharger
111  DF  .~ Supporting or protecting means external of mantle
112  DF  .~.~ Extending within mantle
113  DF  .~.~ On upwardly opening mantle
114  DF  WITH MEANS ATTENUATING SOUND OR PULSATION
115  DF  COMBUSTION PRODUCTS RETURN STRUCTURE
116  DF  .~ Recirculation about mixing or combustion chamber wall or baffle
117  DF  WITH EXTERNAL DRAIN FOR SURPLUS LIQUID FUEL DISCHARGED INTO VAPORIZATION OR COMBUSTION ZONE
118  DF  .~ Drained collecting basin spaced from zone
119  DF  WITH DRIP OR LEAKAGE COLLECTOR
120  DF  WITH WICK TRIMMING, TREATING, INSERTING, OR REMOVING MEANS
121  DF  WITH APPARATUS CLEANING, PURGING OR SCAVENGING MEANS
122  DF  .~ Scraping or clearing member
123  DF  .~.~ Feed orifice penetrating
124  DF  WITH RESERVE FLINT HOLDER
125  DF  WITH SIMULATION FEATURE
126  DF  WITH ORNAMENTATION OR FLAME COLORING ADDITIVE
127  DF  BURNER ASSEMBLY INCLUDES IGNITER ELEMENT AND REMOVABLE HAND MANIPULATABLE TORCH
128  DF  .~ Electrical igniter
129  DF  BURNER HEAD COVER OPERATIVELY INTERRELATED WITH IGNITER
130  DF  .~ Interconnected with valve in fuel feed passage
131  DF  .~.~ By movably mounted burner nozzle
132  DF  .~ Electrical igniter
133  DF  .~ Solid ignition charge dispenser and striker
134  DF  .~ Actuation of ignition member releases biased open cover
135  DF  .~ Cover, latched closed, biased open; igniter actuated on release
136  DF  .~.~ Abrasive wheel moves with cover about a common axis
137  DF  .~ Cover actuator cocks and releases abrasive member drive
138  DF  .~ Common axis for cover and abrasive wheel
139  DF  .~.~ Actuator (e.g., finger piece) engaged with cover for relative movement
140  DF  .~.~.~ Gear drive between cover and actuator
141  DF  .~ One way drive means between cover and abrasive wheel
142  DF  BURNER HEAD OR IGNITER REMOVABLY SECURED TO FUEL TANK BY ENCIRCLING FRAME OR CASING
143  DF  .~ Burner head on tank and igniter on frame or casing
144  DF  BURNER CAP, COVER OR EXTINGUISHER
145  DF  .~ Fluid
146  DF  .~ Movably or removably mounted cover for flame holder
147  DF  .~.~ Cover bars oxidizer from catalyst
148  DF  .~.~ Connected to lamp chimney or its support
149  DF  .~.~ And distinct snuffer within cover
150  DF  .~.~ Cover operatively interconnected with feed controller or feed pump
151  DF  .~.~ And windshield within covered zone
152  DF  .~.~ Pivotally mounted
153  DF  CORRELATION OF FUEL OR POWER SUPPLY WITH COMPONENT MOVEMENTS IN A DISABLING AND ENABLING SEQUENCE
154  DF  WITH REPAIR, ASSEMBLY OR DISASSEMBLY ADJUNCT
155  DF  .~ Slide or roller
156  DF  CONVERTIBLE
157  DF  MEANS AT CHAMBER OUTLET ESTABLISHING COMBUSTION PRESSURE DISTINCT FROM AMBIENT
158  DF  .~ Chamber outlet forms jet nozzle
159  DF  FUEL DISPERSER INSTALLED IN FURNACE
160  DF  .~ Disperser cooled by fluid additional to furnace feed
161  DF  .~ Furnace heated feed line section
162  DF  .~.~ Distinct sections feeding disparate fluids to furnace
163  DF  .~.~ Section feeds steam to disperser
164  DF  .~.~ Section feeds oxidizer through furnace wall opening spaced from that for disperser
165  DF  .~.~.~ Oxidizer fed at spaced points along combustion path
166  DF  .~.~ Section feeds oxidizer to disperser or through disperser furnace wall opening
167  DF  .~.~.~ Section is furnace wall cavity leading to disperser
168  DF  .~ Rotary disperser projects at surrounding flange surface
169  DF  .~.~ Mixing ring or group of deflectors overhangs flange surface
170  DF  .~ Disperser feeds into permeable mass, e.g., checkerwork, etc.
171  DF  .~ With discrete flame directing baffle
172  DF  .~.~ Baffle means forms flame ring around combustion chamber
173  DF  .~ Feed projected tangential to wall of circular combustion chamber
174  DF  .~ Spaced fuel dispersing orifices within furnace
175  DF  .~.~ Intersecting fuel streams
176  DF  .~.~.~ Opposed rows of streams of radially directed streams in a common plane
177  DF  .~.~ Annular arrangement with fuel directed on surrounding combustion chamber wall
178  DF  .~.~ Row with parallel discharge through combustion chamber wall
179  DF  .~.~.~ Longitudinally adjacent rows
180  DF  .~.~ Row across combustion chamber
181  DF  .~ Plural feed means extending to common wall opening of furnace
182  DF  .~.~ Duct with air whirling means surrounds disperser
183  DF  .~.~.~ Row of stationary blades coaxial with disperser whirls air
184  DF  .~.~.~.~ Pivotally adjustable blades
185  DF  .~.~ Feed whirling means at wall
186  DF  .~.~ Shiftably mounted disperser; or flame shaper
187  DF  .~.~ Feeds discharged coaxially
188  DF  .~.~.~ Air chamber with inlet control surrounds disperser at wall
189  DF  .~ Disperser adjustably mounted for movement relative to furnace wall opening
190  DF  .~ Water, air or steam feeder spaced from disperser
191  DF  BURNER IGNITED BY FLASH FLAME THROUGH CONDUIT
192  DF  .~ Conduit feed means spaced from ignited burner
193  DF  .~ Unique burner manifold orifice feeds conduit
194  DF  .~.~ Nipple forms orifice and anchors conduit
195  DF  FUEL DISTRIBUTOR UNDERLYING COMBUSTION ANNULUS HAVING AIR FEEDING PERFORATIONS
196  DF  .~ With pilot burner, primer, or electric combustion starter
197  DF  .~ Annulus movably mounted for access to distributor
198  DF  .~ Distributor annulus feeds combustion annulus through coaxial throat or row of orifices
199  DF  .~ Distributor receives heated fuel from annulus heated line section
200  DF  .~ Coaxial combustion chambers with intermediate air space
201  DF  .~ Structure surrounding annulus guides combustion air to perforations
202  DF  STRUCTURAL INSTALLATION
203  DF  FLAME HOLDER MOUNTED ON HEATED SINGLE CHARGE FUEL TANK
204  DF  .~ Fuel jet from heated tank traverses wick burner
205  DF  .~ Priming cup heats tank
206  DF  .~ Having heat conductor between spaced flame holder and tank
207  DF  HEATED LINE SECTION FEEDS FLAME HOLDER
208  DF  .~ Electrically heated section
209  DF  .~ Section and its heat source mounted for relative movement, e.g., to vary thermal effect, etc.
210  DF  .~ Heated section supplied by separate diverse feeds, e.g., water and fuel, etc.
211  DF  .~.~ One feed heated before being fed to section
212  DF  .~.~.~ Another feed heated before being fed to section
213  DF  .~ Air from section discharged downwardly toward fuel surface
214  DF  .~.~ Fuel surface is film descending from elevated structure
215  DF  .~ Distinct exhaust products line heats feed line
216  DF  .~ Lines for diverse feeds heated
217  DF  .~.~ With mixing upstream of combustion zone
218  DF  .~ Basin for burning liquid fuel heats feed line section
219  DF  .~.~ Heated line feeds steam to fuel basin area
220  DF  .~.~ Separate basin and flame holder fuel lines
221  DF  .~.~.~ Valved branch of flame holder feed line feeds basin
222  DF  .~.~ Basin receives fuel from terminus of heated fuel line
223  DF  .~.~.~ With selective deflector directing fuel to basin
224  DF  .~.~.~ Horizontally extending cavity of basin forms heated section
225  DF  .~.~.~ Basin mounted on valve housing
226  DF  .~.~.~ Heated fuel drum above basin
227  DF  .~.~.~ Basin encompasses vertical heated line section
228  DF  .~.~.~.~ Line passes through basin to surrounding, descending discharge structure
229  DF  .~.~.~.~ Elongated basin parallel to fuel line
230  DF  .~ Auxiliary burner heats wick within heated section
231  DF  .~ Fuel container having means feeding gas to a separate line heating burner and liquid to heated section
232  DF  .~ Section heated by distinct flame holders, one fed by heated section
233  DF  .~ Heated line supplies its heater and an external structure, e.g., flame holder
234  DF  .~.~ One of a group of similar burners heats section
235  DF  .~.~ Heated line supplies generated gas to main of distributing system
236  DF  .~ Section heated by auxiliary burner
237  DF  .~.~ Main fuel line branch feeds auxiliary burner
238  DF  .~ Unheated fuel supply to flame holder
239  DF  .~.~ Heated feed aspirates or atomizes fuel
240  DF  .~ Insert in heated fuel line, e.g., packing, etc.
241  DF  .~.~ Lifts fuel from tank to heated section by capillary action
242  DF  .~ Housing encloses heated section and flame area
243  DF  .~ Flame enclosure comprises, or conducts heat to heated section
244  DF  .~ Discrete jet section of flame holder heats its fuel line
245  DF  .~ Unheated oxidizer supply to line between heated section and feed discharger
246  DF  .~.~ Feed discharger wall cavity forms heated section
247  DF  .~ Fuel conduit within flame or combustion products zone
248  DF  .~.~ Distinct baffle directs flame at or around conduit
249  DF  WITH FEATURE FOR ACCESS TO OR EXPOSURE OF FLAME HOLDER
250  DF  .~ With match scratching surface within enclosure
251  DF  .~ Enclosure movably mounted for access
252  DF  WITH ADJUNCTIVE MEANS TO EXTEND OR DEFLECT FLAME BY AIR BLAST OR ASPIRATION
253  DF  COMBINED
254  DF  ELECTRICAL OR MECHANICAL IGNITER CORRELATED WITH BURNER FEED
255  DF  .~ Having electric current producer
256  DF  .~ Switch or electrode of igniter moved by valve element or operator
257  DF  .~.~ Make and break electrode moved
258  DF  BURNER HAVING ELECTRICAL HEATER OR IGNITER
259  DF  .~ Igniter and separate heater
260  DF  .~ Adjacent exposed liquid fuel surface on fuel support
261  DF  .~.~ Capillary fuel holder
262  DF  .~.~.~ Resistance type heater or igniter
263  DF  .~ Igniter in shelter chamber
264  DF  .~ Spark electrode in front of or adjacent fuel discharger
265  DF  .~.~ Gun type burner with electrode supported in air blast conduit
266  DF  .~.~ Spark circuit includes feed terminus
267  DF  FRICTIONAL, CHEMICAL OR PERCUSSIVE TYPE IGNITER
268  DF  .~ Catalytic
269  DF  .~ Cap, match or pellet igniting charge holding and firing means
270  DF  .~.~ Externally accessible operator fires charge within flame enclosure
271  DF  .~.~ Plural charge holder with presenting structure
272  DF  .~.~.~ Serially connected charges
273  DF  .~ Spark projecter, e.g., flint and abrasive striker, etc.
274  DF  .~.~ Mechanical movement operated abrasive member
275  DF  .~.~.~ Stored energy actuated; detent, latch or overcenter release
276  DF  .~.~ Advancing type flint holder
277  DF  .~.~ Mounted on fuel tank adjacent flame holder
278  DF  SEPARATELY SUPPLIED OR CONTROLLED, PHYSICALLY RELATED FLAME HOLDERS, E.G., DIVERSE FUELS, PILOT AND MAIN, ETC.
279  DF  .~ Relatively movable
280  DF  .~ By multiway valve
281  DF  .~ Correlated controls
282  DF  .~ Adjustable wick
283  DF  .~ Three mounted in cross igniting relationship
284  DF  .~ Coaxial
285  DF  .~ Having common flame chamber or shield means
286  DF  DISCRETE MEANS TRANSMITTING FLAME BETWEEN SEPARATE FLAME HOLDING SECTIONS
287  DF  HAVING COMBUSTION STARTING ASSISTANT
288  DF  CANDLE, E.G., TAPER, ETC.
289  DF  .~ Having structure additional to wax and wick
290  DF  .~.~ Height adjuster or maintained flame level
291  DF  .~.~ Fuel body totally within casing, e.g., vigil light, etc.
292  DF  .~.~ Melt handler or receiver
293  DF  .~.~.~ Follower cap
294  DF  .~.~.~ Drained or openwork candle grip mounted on melt receiver
295  DF  .~.~ Holder for plural candles
296  DF  .~.~ Hook, clamp or spike supported candle holder
297  DF  .~.~ Candle mounting attachment for socket type support
298  DF  FIBROUS WICK TYPE FLAME HOLDER
299  DF  .~ Having feeder or holder for disparate fluid
300  DF  .~ Means forcing air into flame area
301  DF  .~ Wick movement limiting structure
302  DF  .~ Tubular wick having central supporting and air supplying structure
303  DF  .~.~ Having lateral air inlet passage through wick
304  DF  .~.~ Having wick raiser
305  DF  .~.~.~ Screw thread on wick carrier
306  DF  .~.~.~ Rotatable threaded rod and follower
307  DF  .~.~.~ Rack and pinion
308  DF  .~.~.~ Reciprocated bar
309  DF  .~.~ Having air guide or distributor
310  DF  .~ Having air or flame director, air distributor, or windguard
311  DF  .~.~ Transparent director surrounding wick support or guide
312  DF  .~.~ Director passageways, each surrounding wick or flame zone
313  DF  .~.~ Director passageways leading to flame zone
314  DF  .~.~ Air annulus leads to flame zone
315  DF  .~ Having adjustable wick exposure, position, or porosity setting structure
316  DF  .~.~ Rotatable projection means engages wick
317  DF  .~.~.~ Transmission mechanism rotates means
318  DF  .~.~.~ Opposed rotatable wick engaging means
319  DF  .~ Having distinct fuel line between reservoir and wick guide or support means
320  DF  .~ Liquid fuel container carries wick guide or support
321  DF  .~.~ Having distinct container filling or venting structure
322  DF  .~.~ Means supporting displaced wick guide or support on fuel container
323  DF  .~.~ Having absorbing, baffling or additional wick supporting structure in container
324  DF  .~.~ Detachable closure securing guide to container
325  DF  .~ Coated, impregnated, layered, coupled or reinforced wick
326  DF  POROUS, CAPILLARY, PARTICULATE OR SIEVELIKE FLAME HOLDER, E.G., RADIANT SURFACE BURNER, ETC.
327  DF  .~ Capillary mass having handle
328  DF  .~ Means supplying fuel for passage through the flame holding structure, e.g., radiant surface burner
329  DF  .~.~ Woven screen holds flame
330  DF  DRIP, TRICKLER, OR SHELF-TO-SHELF TYPE BURNER
331  DF  POT TYPE BURNER
332  DF  .~ Having feeder or holder for disparate fluid
333  DF  .~ Having means for continuously feeding fuel
334  DF  .~.~ With pot or fuel reservoir elevating means
335  DF  .~.~ Air feed passage through bottom of pot
336  DF  .~.~ Ring structure at pot outlet forms central vertical discharge throat
337  DF  .~.~.~ Structure includes radial air feed passages discharging at throat
338  DF  .~.~ Having baffling means within pot confines
339  DF  .~.~.~ Forms separate zones of combustion at fuel surface
340  DF  .~.~.~ Horizontally extending partition having central passage
341  DF  .~ Including exhaust flue having air feed passages
342  DF  .~.~ And baffling means within pot
343  DF  WITH SUPPORTING BRACKET, LEG, HOOK, STRAP OR CLIP
344  DF  FLAME HOLDER AND FUEL TANK ASSEMBLY
345  DF  FLAME HOLDER HAVING ATTACHED HANDLE
346  DF  FLASH-BACK CONTROLLING OR PREVENTING STRUCTURE
347  DF  INCANDESCING OR REFLECTING COMPONENT, E.G., REIGNITING HOT SPOT, ETC.
348  DF  .~ Flame sweeps dished incandescing surface
349  DF  ADJUNCTIVE, RELATIVELY LOW VELOCITY, FLAME MAINTAINING FUEL PASSAGE
350  DF  FLAME HOLDER HAVING PROTECTIVE FLAME ENCLOSING OR FLAME STABILIZING STRUCTURE
351  DF  .~ Including means feeding air axially spaced points of the flame
352  DF  .~.~ Axial perforations along combustion tube
353  DF  .~ Tubular member delineates flame
354  DF  MIXER AND FLAME HOLDER
355  DF  .~ Bunsen burner type
356  DF  MISCELLANEOUS