US3234357A - Electrically heated smoke producing device - Google Patents

Electrically heated smoke producing device Download PDF

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US3234357A
US3234357A US23353162A US3234357A US 3234357 A US3234357 A US 3234357A US 23353162 A US23353162 A US 23353162A US 3234357 A US3234357 A US 3234357A
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pipe
liquid
heating
tube
capillary
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Seuthe Eberhard
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Seuthe Eberhard
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS
    • A63H33/00Other toys
    • A63H33/28Soap-bubble toys; Smoke toys
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B3/00Ohmic-resistance heating

Description

Feb- 8, 1966 E. sEuTHE 3,234,357-

ELECTRICALLY HEATED SMOKE PRODUCING DEVICE Filed OGL. 29, 1962 2 Sheets-Sheet l Feb. s, 1966 E. sEUTHE 3,234,357

ELECTR I CALLY HEATED SMOKE PRODUC ING DEVICE Filed Oct. 29, 1962 2 Sheets-Sheet 2 u a a a G :g

Jn venfar:

[diffu/a 55u THE United States Patent O 9 claims. (cl. 219-273) This invention relates in general to smoke, fume or vapor producing devices, and in particular to a new and useful device for producing smoke by the evaporation of `oil or similar liquid, especially for use with toy locomotives, buildings and the like.

The present inventionis particularly concerned with a device for producing a visible fume, vapor or smoke, and such devices are hereinafter referred to collectively as smoke-producing devices. With known devices of this type, it is usual to provide a heating Wire or similar heatingrelement which is arranged adjacentI to, or wound around, anevaporation medium such as an oil in a tube or container. Withconstructions of this type it is necessary to provide sealing means for the heating wire, including special jackets or covers of heat or electrically insulating material. One diiiculty -with apparatus of this type is that it is very complicated and expensive to manufacture and, in. addition, occupies a large space. A further disadvantage of devices of this character is that auxiliary devices such as a movable piston and the like are required for effecting the pumping of the exiting smoke in order -to simulate, for example, the exhaust Vof a locomotive.

i In accordance with the present invention, there is provided an improved construction which includes a tubular element or riser tube having a capillary size bore which lis arranged in a reservoir for the evaporating liquid. A feature of the construction is that the heating 4means for theevaporating liquid may advantageously comprise a single heating element which is arranged to extend through the riser tube or it may comprise the riser tube itself in order to provide suiiicent heating within the tube, so that smoke is generated from the top end thereof, exiting in a putting fashion. In one embodiment, the tube having the capillary bore may advantageously be a riser pipe surrounded by an insulating cover, each made of flexible, inexpensive material and arranged to communicate with a reservoir or supply line for the evaporating liquid. With such -a construction, a flexible or pliable riser is provided Y which may be bent and adapted to various space requirements, so that it may be easily incorporated into the many types of prefabricated toys such as locomotives, houses, etc. A particularly simple construction is obtained when the riser pipe is made as a spiral tube which extends upwardly through the liquid to be evaporated and which is inade of an electrically conductive material which is electrically connected at opposite ends within the reservoir for the evaporating liquid.

In accordance with another feature of the invention, the pipe having the capillary bore is advantageously made of a material which provides an electrical heating resistance for the evaporating agent or, alternatively, the tube may contain an electrical resistance within the capillary bore.`

Accordingly, itis an object of this invention to provide 'asmokefproducing device. A further object of the invention is to provide a compact smoke producing device which includes a tubular element advantageously having a capillary bore through which an electrical heating element extends which is suspended in a liquid which will Vaporize or from smoke when heated.

A further object of the invention is to provide a smoke 3,234,357 Patented Feb. 8, 1966,

ICC

producing device which includes a reservoir of a material such as an oil which will readily evaporate into smoke, in which reservoir is arranged a riser tube having a capillary bore therein which is connected electrically to produce a heating resistance for the heating of the material `and generation of smoke.

A further object of the invention is to provide a smoke producing device which may be adapted for incorporation in toys-of various configurations and which is of a construction which may be simply varied or bent in order to provide a universal use therefor.

A further object of the invention is to provide a device which is simple in design, rugged in construction and economical to manufacture.

The various features of novelty which characterize the invention are pointed out with particularity in the claims annexed to and forming a part of this specification. For a better understanding of the invention, its operating advantages and speciiic objects attained by its use, reference should be had to the accompanying drawings and descriptive matter in which there are illustrated and described preferred embodiments of the invention.

In` the drawings:

FIG. 1 is a transverse section, on an enlarged scale, of a smoke generator constructed in accordance with the invention;

FIGS. 2 and 3 are sections similar to FIG. l, of another embodiment of the invention;

FIG. 3a is a section taken on the line Srl-3a of FIG. 3;

FIGS. 4, 5 and 6 are transverse sections similar to FIG. 1, of other embodiments of the invention; and

FIG. 7 is a fragmentary section of a portion of a locomotive having a smoke generator installed thereon which is constructed in accordance with the invention.

Referring to the drawings in particular, the invention as embodied therein in FIG. 1 includes a smoke generating device comprising a tubular container for a reservoir generally designated 1 which is made of a material such as met-a1 and which is llled with vaporizable liquid 12 which is introduced through an open top 1d. i l In accordance with the invention, a riser pipe or tubular element is supported within Ithe container 1 at a location spaced upwardly from the bottom Wall 1a thereof and is provided with a bore 2a of capillary size. The pipe 2 consists of an electrically conductive material, for example, metal. The pipe 2 is advantageously made of a thin walled construction in order to obtain a heating resistance of a rather low ohmic value, for example, of about 5 ohms.

Electrica-l current supply lines 5 and 6 extend from terminals or poles 3 and 4 through openings 1b and 1c deined in the bottom wall 1a of the container l1. The supply line 5 is connected to the upper part of the pipe v2, while the supply line 6 is connected to the lower part of the pipe 2. Insulation 7 is .arranged `around the supply line 6 at the exterior of the container 1, and an insulating sleeve 7a is provided laround the supply line 6 at the location of its entrance to the inner container i1. The bottom wall 1a is sealed against the exit of liquid from the interior of the container 1 by means of an insulating cement 8.

The riser pipe 2, in the embodiment of FIG. 1, is surrounded by tube 9 of an insulating material which is advantageously porcelain `or -a synthetic material known in the trade as Steoiit and insulates both `against eletcric current and heat. Instead of providing separate pipes, a coating of the same or similar thickness as the pipe 9 may be `applied around the pipe 2. 'Such a coating may be applied by means of dipping, painting or spr-aying, for examp e.

. The entiredevice is then advantageously supported in an opening formed by a Wall 10 of a chimney which may 12 Iby capillary action.

incorporate the sta-ck of a toy locomotive, ttor example. Such an arrangement is indicated on a smaller scale in FIG. 7. During operation of the smoke producer, when the electriccurrent is switched on, the liquid rises in the capillary bore 2a of the pipe 2, as it is heated by the current which is directed through the riser tube l2. The l-iquid 1'2 is evaporated and is such that smoke or vapor is formed and ejected `from the locomotive, either continuously or intermittently, as desired. In doing so, a putiing noise takes place, whereby faithful reproduction of the real phenomenon of the operation of a toy locomotive is produced.

In the embodiment of FIG. 2, there is provided `a container 1 which is iilled with a :liquid 12 of a low boiling point which, when evaporated, produ-ces a smoke 11 as in the other embodiment. The `container 1 in this embodiment is provided with a removable bottom 21 upon which is mounted a riser pipe `or tube element 22 having fa capillary size bore extending completely therethrough. The lower end 22 is exposed above the surface of the plate y21, so lthat it will be at a location to draw in liquid The tubular element 22 advantageously is made of a thin metal material and has a heating resistance slight-ly higher in ohmic value than in the embodiment of FIG. l and may be, for example, in the neighborhood of 50 ohms. An electric line 6' is passed through a suitable opening made in the plate 21 without any insulation and is connected to the pipe 22 adjacent the lower end thereof. An electrical line 5' is arranged within an insulating sleeve 27 .which is mounted in a vertical manner in a suitable opening in the plate 21 to extend to the upper end of the pipe 22 and connects to the pipe 22 -at this location.

A `feature of the construction of this embodiment is that the riser pipe 22 and the associated electrical lines 5 and 6 with the insulation 27 may be mounted on the plate I21 and the whole assembly inserted through the bottom end of the tube 1 and cemented in place by material 8 'to -form a water tight connect-ion. When the current is applied to the lines 5 and l6', liquid in the riser pipe 22 is vaporized and smoke is generated which exits as indicated at 11.

In the embodiment indicated in FIGS. 3 and 3a, a tubular element or reservoir 1" is provided in which is located a riser pipe assembly or tubular element generally designated 33. The riser pipe assembly 33 advantageously includes a plurality of bores 3'2 defined therein extending from one end to the other, and the lower end 33 is advantageously angled in respect to a bottom 1a', so that each of the bores is exposed to the liquid 12 within the reservoir 1. In this embodiment, a continuous heating wire or element -34 is directed successively up one bore 32 and down another in a continuous manner, and one end is connected to an electrical conduit 6" yand -an opposite end is connected to an electrical conduit '5" at :locations adjacent the bottom edge 33 but on opposite sides of the riser pipe 33. `In this embodiment, the line 6" is conducted through the bottom y1a and is surrounded at such location by an insulating sleeve 7. The bottom is made water tight by the use of a cement material 8".

In this construction, the liquid 12 rises in each of the bore 32 and is vaporized by the heating element 34 when the current is applied thereto, to cause a simultaneous formation of several smoke columns which issue as a plurality of puis of smoke 1'1'. Putting through the tops of each of the bores will take place at spaced intervals in accordance with the generation of the vapor in the individual bores. The riser pipe 33 in this embodiment may advantageously consist of porcelain or synthetic material, as indicated in FIG. 3a.

In FIG. 4, two spaced riser pipes or tubular elements 42 and 43 are arranged 4within the interior of a container or evaporating liquid reservoir 4'1. IEvaporating liquid 12 is positioned within the container 41 as in the other embodiment, and a single electric heating wire 44 is ad- 4 vantageously wound around guiding elements 44 and passed through capillary size bores defined in each of the riser pipes `42 4and 43 in a continuous manner up one p1pe and down the other. The ends of the wire are advantageously connected to electrical conduits 5"' and 6' which are connected to a suitable source of electrical current. The guide elements 414 are advantageously made of a material which is easily wetted by the evaporating liquid |12. The electrical lines 5 and 6 are advantageously covered with insulation sleeve 47 and 46, respectively, and they are passed lthrough the bottom wall 41a of the container 41 in a iiuid tight manner which is assured by providing ycement 8". A portion of each of the 'lines "5" Iand 6" is exposed without any insulation at the interior of the container at locations within spaced1 insulation tubes or elements 49a or 49b. The riser pipes 42 and 43 are surrounded by an insulation sleeve or tubu* lar element 142 which is also cemented in position above the insulating tubular elements 49a and 491;.

Sealing cement 48 is applied between the insulating sleeve `142 and the insulating sleeves 46 and 47 to stabilize the entire structure and also to provide adequate heat and current insulation. The bubble formation which is produced when the liquid 12 is evaporated -by heat from the current supplied :to the heating element 44 is particularly enhanced since the heating element 44 also extends directly above the top openings of these ltubes and a particularly strong heat generation takes place in this vicinity. The container 41 in this embodiment may advantageously be made as a continuous pipe with the removable bottom 41a, and it may be made of a material such as metal, hard paper, cardboard or synthetic material.

In FIG, 5, the smoke producing unit is inserted into a chimney 10 of a toy locomotive and is advantageously made flexible throughout its length so that it may be accommodated to the particular configuration of the cavity deiined within the toy. In this embodiment, a riser tube or capillary pipe 51 is provided which consists of a heat resistant, flexible insulating hose through which heating wire 52 is passed. The heating wire 52 is advantageously coiled only in the upper portion of the capillary pipe 51 and the two ends of the heating wire 52 are connected with current supply lines 5a and 6a by means of soldering at locations 52a and 52h. The line 6a is surrounded by an insulating sleeve 7 which forms part of a hose 55. The hose 55 is connected by means of cementing material 56 at one end of a plug member or collar 57. The plug member 57 may advantageously comprise a small size hollow rivet which widens outwardly toward its iianged ends which are in fluidtight communication with a reservoir for the smoke producing liquid 12. The evaporating liquid is advantageously introduced into the opposite end of the hollow rivet 57 and it rises in the capillary tube 51 and is heated by the heating wire 52. This smoke producing unit permits a particularly universal use due to its flexible construction and it can be adapted to any possible number of devices, such as, for example, factory chimneys, locomotives and other toy structures. In addition, it can be produced very simply and inexpensively.

In FIG. 6 there is indicated a somewhat modified arrangement of the embodiment indicated in FIG. 4 which comprises a container 61 which may, for example, consist of an insulating hard paper pipe. The bottom 61a of the container 61 is advantageously made separate and may be of the same material. Insulating cement 68 is applied over the whole surface of the bottom 61. Current supply lines 5b and 6b are `encased in insulation sleeves 65 and 66, respetcively, and are passed through the bottom 61a in a fluid tight manner. The lines 5a and 6b are connected at their inner ends at points 67 and 69 with the heating wire 71 which is directed through the interior of a capillary pipe 62. The wire 71 is advantageously coiled around a wick or mandrel 63 which is easily wetted. In order to obtain a stronger heating effect, the

Wire in the upper region is wound in a tighter coiled manner than the lower portion. An insulating pipe 162 surrounds the capillary pipe 62 and the upper end of the heating Wire 71. The lower region of the capillary tube 62 is surrounded by an insulating sleeve 163 which is spaced downwardly from the insulating sleeve 162 and offset slightly therefrom. In some instances, it is desirable to provide insulating cement between the insulating sleeves 162 and 163, and 65 and 66.

While specic embodiments of the invention have been shown and described in detail to illustrate the application of the inventive principles, it will be understood that the invention may be embodied otherwise without departing from such principles.

What is claimed is:

1. A device for vaperizing a liquid such as a liquid which produces smoke, comprising a riser pipe having an open ended bore defined therethrough of a capillary size, an electrical heating wire extending through said bore in said riser pipe, the diameter of said wire being smaller than the diameter of said bore, said riser pipe having one end portion extending substantially vertically and having an opposite end portion disposed and operatively supported in said device for communication of said bore with the vaporizaable liquid, and an electric power source operatively connected to said heating Wire.

2. Adevice according to claim 1, wherein said riser pipe is made of flexible material.

3. A device according to claim 1, wherein said riser pipe is made of flexible material, and including an outer tubular member of flexible insulation material substantially coextensive with at least said vertically extending end portion and surrounding said riser pipe, a plug member extending around said opposite end portion of said riser pipe and exposed at one end to the vaporizable liquid and connected at its opposite end to said outer tubular member and said riser pipe, said plug member having a passage therethrough which is in communication with said bore of said riser pipe.

4. A device according to claim 3, wherein said plug member is a hollow rivet having an open end exposed for communication with the vaporizable liquid, the connection between said rivet and said outer tubular `member and said riser' pipe including cement material.

5. In a toy, a device for producing smoke and the like by vaporizing a liquid, comprising storage means for said liquid in said device, tube means operatively supported by said storage means so as to extend at least partially into said liquid, said tube means including a capillary tube section having at least one capillary bore extending therethrough, said bore being adapted to receive part of said liquid and cause it to vertically rise by capillary action in said bore, an electric power source, and an electrical heating wire substantially extending into said bore of said capillary tube section, the diameter of said electric heating wire being smaller than the diameter of said capillary bore, said electrical heating wire being operatively connected to said electric power source.

6. In a device according to claim 5, wherein said -tube means comprises a capillary tube section which has a plurality of bores defined therethrough of capillary size, and wherein said electrical heating wire comprises a single heating wire passed continuously through said plurality of bores.

7. A device according to claim 5, wherein said heating wire is coiled, with the coils being tighter near the upper end of said capillary tube section than at the lower end thereof.

8. The device according to claim 5, wherein said electrical heating wire extends through the entire tube means and is connected at opposite ends thereof to said electric power source.

9. In a toy, a device for producing smoke and the like by vaporizing a liquid, comprising storage means for said liquid in the toy, ilexible plastic tube means operatively supported in the toy so as to extend at least partially into said liquid in said storage means, said tube means including a flexible tube having a bore ytherethrough of capillary cross-section in communication with said liquid, an electric power source, and a llexible electric heating wire disposed in said bore of said ilexible tube, the diameter of said electric heating wire being smaller than the diameter of said bore said iiexible electric heating wire being operatively connected to said electric power source.

References Cited by the Examiner UNITED STATES PATENTS 912,994 2/1909 Conrad 219-300 1,739,817 12/1929 Beals 261-142 1,977,232 10/1934 Gnder 219-274 2,461,664 2/1949 Smith 219-274 X 2,696,548 12/1954 Bencetti 219--275 3,085,145 4/ 1963 Wray 219-272 FOREIGN PATENTS 327,614 3/ 1958 Switzerland.

RICHARD M. WOOD, Primary Examiner. ANTHONY BARTIS, Examiner.

Claims (1)

  1. 5. IN A TOY, A DEVICE FOR PRODUCING SMOKE AND THE LIKE BY VAPORIZING A LIQUID, COMPRISING STORAGE MEANS FOR SAID LIQUID IN SAID DEVICE, TUBE MEANS OPERATIVELY SUPPORTED BY SAID STORAGE MEANS SO AS TO EXTEND AT LEAST PARTIALLY INTO SAID LIQUID, SAID TUBE MEANS INCLUDING A CAPILLARY TUBE SECTION HAVING AT LEAST ONE CAPILLARY BORE EXTENDING THERETHROUGH, SAID BORE BEING ADAPTED TO RECEIVE PART OF SAID LIQUID AND CAUSE IT TO VERTICALLY RISE BY CAPILLARY ACTION IN SAID BORE, AN ELECTRIC POWER SOURCE, AND AN ELECTRICAL HEATING WIRE SUBSTANTIALLY EXTENDING INTO SAID BORE OF SAID CAPILLARY TUBE SECTION, THE DIAMETER OF SAID ELECTRIC HEATING WIRE BEING SMALLER THAN THE DIAMETER OF SAID CAPILLARY BORE, SAID ELECTRICAL HEATING WIRE BEING OPERATIVELY CONNECTED TO SAID ELECTRIC POWER SOURCE.
US3234357A 1959-01-27 1962-10-29 Electrically heated smoke producing device Expired - Lifetime US3234357A (en)

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DE1961S0076518 DE1187529B (en) 1959-01-27 1961-11-02 Device for generating clouds of smoke through evaporation of oils od. The like., In particular for toy locomotive

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316384A (en) * 1964-11-19 1967-04-25 James M Daniels Soldering iron tip with vented solder capillary passage means
US3795487A (en) * 1970-06-12 1974-03-05 Heurtey Sa Apparatus for improving heat transfers between fluidized particles and granular materials
US3835293A (en) * 1973-09-17 1974-09-10 Alister D Mc Electrical heating apparatus for generating superheated vapors
US3879599A (en) * 1974-05-17 1975-04-22 Nobuhisa Kodaira Heat-treatment apparatus for synthetic fiber yarns
US3891826A (en) * 1972-08-05 1975-06-24 Eberhard Seuthe Electrically heated smoke or steam generator
US3902046A (en) * 1973-05-16 1975-08-26 Shigeo Oi Heat treatment apparatus for synthetic yarn
US3990987A (en) * 1975-10-01 1976-11-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Smoke generator
US4419302A (en) * 1979-09-29 1983-12-06 Matsushita Electric Industrial Company, Limited Steam generator
US4532088A (en) * 1983-05-19 1985-07-30 Inspiron Corporation Heated respiratory therapy humidifier
US4547656A (en) * 1984-04-09 1985-10-15 The United States Of America As Represented By The Secretary Of The Navy Portable smoke generator
US4753758A (en) * 1983-05-19 1988-06-28 Intertech Resources Inc. Respiratory humidifier
US4764660A (en) * 1985-10-22 1988-08-16 The United States Of America As Represented By The Secretary Of The Navy Electric smoke generator
US5559923A (en) * 1994-11-28 1996-09-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Vapor generator wand
US5706389A (en) * 1995-03-17 1998-01-06 Dragerwerk Aktiengesellschaft Electrically heated heat exchanger
US6421502B1 (en) * 2000-12-07 2002-07-16 Quikpoint, Inc. Smoke generator and toy smoke-ring gun using same
US20040005836A1 (en) * 2002-07-05 2004-01-08 Pierson Martin D. Smart smoke unit
US20090023356A1 (en) * 2007-07-18 2009-01-22 Creran John K Smoke Effects Generator For A Musical Instrument
US20090042677A1 (en) * 2007-08-08 2009-02-12 Siegel Michael L Sport novelty missile
US20090078692A1 (en) * 2005-08-06 2009-03-26 Eichenauer Heizelente Gnbh & Co. Kg Heating System
US20090273464A1 (en) * 2004-12-13 2009-11-05 Stewart Pepper Synthetic smoke generator and smoke detector tester using such a generator
US20100323578A1 (en) * 2009-06-19 2010-12-23 Lionel L.L.C. System and method for redirecting smoke effects in a model vehicle
WO2012037156A1 (en) * 2010-09-13 2012-03-22 Gene Stauffer High pressure smoke machine
US8997753B2 (en) 2012-01-31 2015-04-07 Altria Client Services Inc. Electronic smoking article
US20160025329A1 (en) * 2013-04-17 2016-01-28 Venkata Sundereswar Rao VEMPATI Energy efficient pressure less steam generator
US20160135507A1 (en) * 2008-04-30 2016-05-19 Michel THORENS Electrically heated smoking system having a liquid storage portion
US9752951B2 (en) 2012-09-27 2017-09-05 Redline Detection, Llc Balloon catheter apparatus for high pressure leak detection
US9933326B2 (en) 2015-07-22 2018-04-03 Redline Detection, Llc System and method for detecting microscopic leaks

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US912994A (en) * 1907-06-08 1909-02-23 Westinghouse Electric & Mfg Co Electric heating apparatus.
US1739817A (en) * 1926-04-10 1929-12-17 Erl V Beals Carburetor
US1977232A (en) * 1932-07-28 1934-10-16 John S Westney Electric vaporizer
US2461664A (en) * 1941-08-30 1949-02-15 Gilbert Co A C Vapor generation and puffing with audible effects in toys
US2696548A (en) * 1949-08-13 1954-12-07 Bruckbauer & Gotz Fa Electric bulb apparatus for distributing substances suitable for ameliorating and/or disinfecting the air and/or insectides
US3085145A (en) * 1960-03-09 1963-04-09 Gen Electric Vaporizer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US912994A (en) * 1907-06-08 1909-02-23 Westinghouse Electric & Mfg Co Electric heating apparatus.
US1739817A (en) * 1926-04-10 1929-12-17 Erl V Beals Carburetor
US1977232A (en) * 1932-07-28 1934-10-16 John S Westney Electric vaporizer
US2461664A (en) * 1941-08-30 1949-02-15 Gilbert Co A C Vapor generation and puffing with audible effects in toys
US2696548A (en) * 1949-08-13 1954-12-07 Bruckbauer & Gotz Fa Electric bulb apparatus for distributing substances suitable for ameliorating and/or disinfecting the air and/or insectides
US3085145A (en) * 1960-03-09 1963-04-09 Gen Electric Vaporizer

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316384A (en) * 1964-11-19 1967-04-25 James M Daniels Soldering iron tip with vented solder capillary passage means
US3795487A (en) * 1970-06-12 1974-03-05 Heurtey Sa Apparatus for improving heat transfers between fluidized particles and granular materials
US3891826A (en) * 1972-08-05 1975-06-24 Eberhard Seuthe Electrically heated smoke or steam generator
US3902046A (en) * 1973-05-16 1975-08-26 Shigeo Oi Heat treatment apparatus for synthetic yarn
US3835293A (en) * 1973-09-17 1974-09-10 Alister D Mc Electrical heating apparatus for generating superheated vapors
US3879599A (en) * 1974-05-17 1975-04-22 Nobuhisa Kodaira Heat-treatment apparatus for synthetic fiber yarns
US3990987A (en) * 1975-10-01 1976-11-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Smoke generator
US4419302A (en) * 1979-09-29 1983-12-06 Matsushita Electric Industrial Company, Limited Steam generator
US4753758A (en) * 1983-05-19 1988-06-28 Intertech Resources Inc. Respiratory humidifier
US4532088A (en) * 1983-05-19 1985-07-30 Inspiron Corporation Heated respiratory therapy humidifier
US4547656A (en) * 1984-04-09 1985-10-15 The United States Of America As Represented By The Secretary Of The Navy Portable smoke generator
US4764660A (en) * 1985-10-22 1988-08-16 The United States Of America As Represented By The Secretary Of The Navy Electric smoke generator
US5559923A (en) * 1994-11-28 1996-09-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Vapor generator wand
US5706389A (en) * 1995-03-17 1998-01-06 Dragerwerk Aktiengesellschaft Electrically heated heat exchanger
US6421502B1 (en) * 2000-12-07 2002-07-16 Quikpoint, Inc. Smoke generator and toy smoke-ring gun using same
US6826355B2 (en) 2000-12-07 2004-11-30 Quikpoint, Inc. Smoke generator with combined spacer and wetting wire and toy smoke-ring gun using same
US20040005836A1 (en) * 2002-07-05 2004-01-08 Pierson Martin D. Smart smoke unit
US7297045B2 (en) * 2002-07-05 2007-11-20 Lionel L.L.C. Smart smoke unit
US7852227B2 (en) * 2004-12-13 2010-12-14 Sata Limited Synthetic smoke generator and smoke detector tester using such a generator
US20090273464A1 (en) * 2004-12-13 2009-11-05 Stewart Pepper Synthetic smoke generator and smoke detector tester using such a generator
US8680437B2 (en) * 2005-08-06 2014-03-25 Eichenauer Heizelemente Gmbh & Co. Kg Heating system
US20090078692A1 (en) * 2005-08-06 2009-03-26 Eichenauer Heizelente Gnbh & Co. Kg Heating System
US20090023356A1 (en) * 2007-07-18 2009-01-22 Creran John K Smoke Effects Generator For A Musical Instrument
US7727097B2 (en) * 2007-08-08 2010-06-01 Siegel Michael L Sport novelty missile
US20090042677A1 (en) * 2007-08-08 2009-02-12 Siegel Michael L Sport novelty missile
US20160135507A1 (en) * 2008-04-30 2016-05-19 Michel THORENS Electrically heated smoking system having a liquid storage portion
US20100323578A1 (en) * 2009-06-19 2010-12-23 Lionel L.L.C. System and method for redirecting smoke effects in a model vehicle
US8393931B2 (en) * 2009-06-19 2013-03-12 Lionel L.L.C. System and method for redirecting smoke effects in a model vehicle
WO2012037156A1 (en) * 2010-09-13 2012-03-22 Gene Stauffer High pressure smoke machine
US8737826B2 (en) 2010-09-13 2014-05-27 Redline Detection, Llc High pressure smoke machine
EP2616183A4 (en) * 2010-09-13 2016-08-31 Gene Stauffer High pressure smoke machine
US8997753B2 (en) 2012-01-31 2015-04-07 Altria Client Services Inc. Electronic smoking article
US9752951B2 (en) 2012-09-27 2017-09-05 Redline Detection, Llc Balloon catheter apparatus for high pressure leak detection
US20160025329A1 (en) * 2013-04-17 2016-01-28 Venkata Sundereswar Rao VEMPATI Energy efficient pressure less steam generator
US9664378B2 (en) * 2013-04-17 2017-05-30 Venkata Sundereswar Rao VEMPATI Energy efficient pressure less steam generator
US9933326B2 (en) 2015-07-22 2018-04-03 Redline Detection, Llc System and method for detecting microscopic leaks

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Publication number Publication date Type
GB1020004A (en) 1966-02-16 application
BE624187A (en) 1963-04-29 grant

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