US3891826A - Electrically heated smoke or steam generator - Google Patents

Electrically heated smoke or steam generator Download PDF

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Publication number
US3891826A
US3891826A US383829A US38382973A US3891826A US 3891826 A US3891826 A US 3891826A US 383829 A US383829 A US 383829A US 38382973 A US38382973 A US 38382973A US 3891826 A US3891826 A US 3891826A
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US
United States
Prior art keywords
tube
container
tubes
bottom end
heating resistance
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Expired - Lifetime
Application number
US383829A
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English (en)
Inventor
Eberhard Seuthe
Executrix By Ellen Seuthe
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Individual
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Individual
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Publication of US3891826A publication Critical patent/US3891826A/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/28—Soap-bubble toys; Smoke toys

Definitions

  • ABSTRACT A device for generating smoke or steam. particularly for toys such as toy locomotives, includes a container for holding the chemical medium to be evaporated.
  • a first imperforate tube of electrically insulating material constructed as a capillary is vertically mounted in the bottom of the container and extends longitudinally thereof.
  • An electric heating resistance is mounted in the bore of the first tube.
  • a second imperforate tube of electrically insulating material closed at its top surrounds the first tube in spaced relation thereto to form a space through which an electrical connection to the upper end of the resistance extends.
  • a third tube open at its top surrounds the second tube in spaced relation thereto. Bores are provided at the lower end of the third tube for admitting the medium to be evaporated into the space between the second and third tubes whereby the heat of the resistance evaporates the medium to provide smoke or steam which is emitted from the open top of the third tube.
  • the electrical connections to the resistance extend through the bottom of the container.
  • This invention relates to a device for producing smoke or steam, particularly for toys, by evaporation of a chemical evaporating medium by means of an electri' cal heating resistance which is guided coaxially with respect to and within a first tube which is constructed as a capillary, the end of the first tube being disposed on the bottom of the vessel containing the evaporating medium, while one end of the heating resistance is guided out of its other free end.
  • German Pat. No. l 187 165 discloses a steam producing device in which the capillary rising tube contains the electric heating resistance.
  • the electric heating resistance which in its upper portion, located at the exit end, consists of a wire filament, which is carried by a wire of heavier cross-section, is completely guided inside the riser tube.
  • This construction has the advantage that the heat radiating out from the heating wire is almost exclusively utilised for heating the liquid which is to be vaporised, since the heating wire extends within the liquid rising by capillary action up the riser tube so that the heat can, without notable losses, be concentrated inside the capillary.
  • the invention is based on the problem of avoiding these disadvantages and of providing a steam generating device which operates residue-free even after prolonged use and can be perfectly operated under difierent voltages such as occur in the operation of model railways.
  • steam generating devices should also be suitable for use in small toy locomotives such as are currently popular when HO track is in use.
  • this problem is resolved in that: coaxially with the first tube there is a second insulating tube, the end of the heating resistance being passed between the walls of the first and of the second tubes through the electrical connecting lead provided on the bottom of the container, while both tubes are enclosed by an outer third tube, the riser tube, carrying the evaporation medium.
  • the second tube coaxially with the first tube there is a second insulating tube, the end of the heating resistance being passed between the walls of the first and of the second tubes through the electrical connecting lead provided on the bottom of the container, while both tubes are enclosed by an outer third tube, the riser tube, carrying the evaporation medium.
  • the steam generating device according to the invention is inserted into a chimney 2 of a toy, for example a toy locomotive, which is not shown in greater detail.
  • a container 4 is a liquid 6 which is evaporated by a heating device generally designated 10 and disposed centrally in the container, readily visible clouds of steam forming.
  • a heating resistance is provided which consists of a heating filament 8 which is mounted on a carrier wire 9 of thicker cross-section by soldering or by adhesion using an electrically conductive adhesive.
  • This carrier wire 9 is connected to an electric connecting lead ll leading to the bottom of the container.
  • the heating filament is wound preferably on fibrous carrier material 12, e.g., glass silk.
  • the heating resistance 8, 9 is enclosed by a first insulating tube 14.
  • This serves as a guide tube for the resistance and is at the same time provided for electrical insulation. It consists for example of temperature-resistant toughened glass.
  • the free end of the heating filament 8 is extended out of the upper free opening of the first tube 14 and extends along the outer peripheral shell of the tube 14 to the second power supply lead I5 provided in the bottom of the container.
  • a second tube 16 Guided coaxially around the first tube is a second tube 16, which, in the example of embodiment illustrated, consists like the first tube 14 of a toughened glass which is resistant up to approximately 900C. lt serves to screen and insulate the end 80 of the heating filament which is passed through between the tube walls 14 and 16. It has the effect of avoiding access by the evaporating agent 6 to the heating wire end 8, so that the aforesaid disadvantages of combustion residues and transition resistances forming cannot occur.
  • the tube 16 which likewise has capillary dimensions of approximately 0.9 mm inside diameter, is drawn under marked heating at melting temperatures and is fused at one end, at 160. its fused end is slipped over the bentover part of the heating filament 80 so that the heating resistance is completely screened on the outside.
  • a third, outer tube 18 is disposed around the first and second insulating tubes 14 and I6, coaxially enclosing the two inner tubes.
  • This tube must be regarded as a riser tube in which. through bores 18a. and by capillary action, evaporating fluid rises and, in the heating filament region 8, vaporises as a result of the considerable heat which develops there. Readily visible clouds of smoke emerge thereby from the free end of the container through the opening at the top of the chimney.
  • the steam generating device described. can be used with great success in toys of even very small dimensions. Since no residues of any kind can form, due to insulation of the heating filament end by the glass tube 16, the heating resistance is capable of withstanding a greater load and of therefore working over a greater range of voltages without disadvantage. Therefore, it is possible to work at higher temperatures than previously. Special screening of the vapourising container with respect to the wall 2 of the toy, the said wall consisting in most cases of plastics material, is unnecessary since insulation is provided by the tube 16.
  • the dimensions of the tubes l4, l6, 18 are within the capillary range.
  • the inside diameter of the tube 14 is 0.6 mm
  • the inside diameter of the tube 16 is 0.9 mm
  • the inside diameter of the tube 18 is 1.3 mm for a wall thickness of approximately 0.07 mm.
  • a cementing 19 which simultaneously carries the heating resistance and the three tubes. It consists of a temperature resistant quick-hardening adhesive medium.
  • the outer tube 18 may be formed from a coil spring which substantially coaxially surrounds the two inner tubes 16 and 14. This has the advantage that the manufacturing tolerances may be greater.
  • a smoke producing device for toys including a container for holding a chemical evaporating medium and having a closed bottom end; a first imperforate tube of electrically insulating material constructed as a capillary, mounted in the said bottom of the container and extending longitudinally from said bottom end towards the opposite end of the container; an electrical heating resistance coaxially mounted within the bore of said first tube and having electrical connections thereto extending from each end of the first tube; a second imperforate tube of electrically insulating material substantially co-extensive in length with said first tube and spaced from and coaxially mounted by its lower end relative to the first tube in the bottom end of the container; a connection to the upper end of the heating resistance extending between the walls of the first and second tubes and through the bottom end of the con tainer; a connection to the lower end of the heating resistance extending through the bottom of the container; a pair of electrically conductive wires mounted externally of the bottom end of the container connecting said electrical connections to a voltage source; a third tube surrounding the first and

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  • Toys (AREA)
US383829A 1972-08-05 1973-07-30 Electrically heated smoke or steam generator Expired - Lifetime US3891826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2238733A DE2238733C3 (de) 1972-08-05 1972-08-05 Vorrichtung zum Erzeugen von Rauch oder Dampf für Spielzeuge

Publications (1)

Publication Number Publication Date
US3891826A true US3891826A (en) 1975-06-24

Family

ID=5852841

Family Applications (1)

Application Number Title Priority Date Filing Date
US383829A Expired - Lifetime US3891826A (en) 1972-08-05 1973-07-30 Electrically heated smoke or steam generator

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US (1) US3891826A (US20080293856A1-20081127-C00150.png)
JP (1) JPS5116829B2 (US20080293856A1-20081127-C00150.png)
DE (1) DE2238733C3 (US20080293856A1-20081127-C00150.png)
GB (1) GB1393832A (US20080293856A1-20081127-C00150.png)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419302A (en) * 1979-09-29 1983-12-06 Matsushita Electric Industrial Company, Limited Steam generator
US4697067A (en) * 1985-01-25 1987-09-29 Seb S.A. Steam-generating device and a cooking oven equipped with said device
US5512001A (en) * 1995-02-03 1996-04-30 Stephen Schwartz Design Toy vehicle
US5647054A (en) * 1994-12-09 1997-07-08 Pitsco, Inc. Smoke generator tube
US6087935A (en) * 1995-11-17 2000-07-11 Innovative Pyrotechnik Gmbh Smoke-screen for obscuring premises
US6485347B1 (en) 2000-05-17 2002-11-26 Lionel, L.L.C. Puffing fan driven smoke unit for a model train
US20040005836A1 (en) * 2002-07-05 2004-01-08 Pierson Martin D. Smart smoke unit
US6676473B2 (en) 2001-10-01 2004-01-13 Lionel Llc Smart smoke unit
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
US20050003731A1 (en) * 2003-03-25 2005-01-06 Lafata John E. Toy gun for producing fog filled bubbles
US20050148276A1 (en) * 2003-03-25 2005-07-07 Lafata John E. Toy for producing fog filled bubbles
US20050227575A1 (en) * 2001-10-01 2005-10-13 Lionel L.L.C. Variable-heat smoke unit for model vehicle
US20070089651A1 (en) * 2005-10-11 2007-04-26 Alok Pandey Electrically fired steam locomotive
US20090273464A1 (en) * 2004-12-13 2009-11-05 Stewart Pepper Synthetic smoke generator and smoke detector tester using such a generator
US20110259090A1 (en) * 2007-12-22 2011-10-27 Dan Angelescu Thermal bubble point measurement system and method
US8897629B1 (en) * 2012-01-27 2014-11-25 Scent Sciences Corporation Scent delivery apparatus
US20180220664A1 (en) * 2017-02-08 2018-08-09 Fomesa Fruitech, S.L. Smoke generator container for applying phytosanitary products and method of manufacturing same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2631639C2 (de) * 1976-07-14 1985-05-09 Seuthe-Schley, geb. Timp, Ellen, 7321 Eschenbach Verfahren zur Herstellung eines Steigrohres mit einer Vielzahl von Kapillaren für eine Vorrichtung zum stossweisen Erzeugen von Dampf- oder Rauchwolken, insbesondere für Spielzeuge
JPS578873Y2 (US20080293856A1-20081127-C00150.png) * 1976-07-28 1982-02-19
CN101593403B (zh) * 2000-09-29 2012-10-24 托马克斯有限责任公司 用于气体和/或燃烧产物的报警系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1939921A (en) * 1933-12-19 Electrical vaporizer
US2226582A (en) * 1936-12-23 1940-12-31 Robinson Joseph Electrical vaporizer
US3160980A (en) * 1959-01-27 1964-12-15 Seuthe Eberhard Device to produce steam for mobile and stationary toys
US3234357A (en) * 1961-11-02 1966-02-08 Seuthe Eberhard Electrically heated smoke producing device
US3255551A (en) * 1962-10-20 1966-06-14 Scheihing Erwin Smoke producing device for toys

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1939921A (en) * 1933-12-19 Electrical vaporizer
US2226582A (en) * 1936-12-23 1940-12-31 Robinson Joseph Electrical vaporizer
US3160980A (en) * 1959-01-27 1964-12-15 Seuthe Eberhard Device to produce steam for mobile and stationary toys
US3234357A (en) * 1961-11-02 1966-02-08 Seuthe Eberhard Electrically heated smoke producing device
US3255551A (en) * 1962-10-20 1966-06-14 Scheihing Erwin Smoke producing device for toys

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419302A (en) * 1979-09-29 1983-12-06 Matsushita Electric Industrial Company, Limited Steam generator
US4697067A (en) * 1985-01-25 1987-09-29 Seb S.A. Steam-generating device and a cooking oven equipped with said device
US5647054A (en) * 1994-12-09 1997-07-08 Pitsco, Inc. Smoke generator tube
US5512001A (en) * 1995-02-03 1996-04-30 Stephen Schwartz Design Toy vehicle
US6087935A (en) * 1995-11-17 2000-07-11 Innovative Pyrotechnik Gmbh Smoke-screen for obscuring premises
US6485347B1 (en) 2000-05-17 2002-11-26 Lionel, L.L.C. Puffing fan driven smoke unit for a model train
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
US20050227575A1 (en) * 2001-10-01 2005-10-13 Lionel L.L.C. Variable-heat smoke unit for model vehicle
US7666052B2 (en) 2001-10-01 2010-02-23 Lionel L.L.C. Variable-heat smoke unit for model vehicle
US6676473B2 (en) 2001-10-01 2004-01-13 Lionel Llc Smart smoke unit
US20040198135A1 (en) * 2001-10-01 2004-10-07 Pierson Martin D. Smart smoke unit
US7125309B2 (en) 2001-10-01 2006-10-24 Lionel L.L.C. Smart smoke unit
US7297045B2 (en) * 2002-07-05 2007-11-20 Lionel L.L.C. Smart smoke unit
US20040005836A1 (en) * 2002-07-05 2004-01-08 Pierson Martin D. Smart smoke unit
US20050148276A1 (en) * 2003-03-25 2005-07-07 Lafata John E. Toy for producing fog filled bubbles
US20050003731A1 (en) * 2003-03-25 2005-01-06 Lafata John E. Toy gun for producing fog filled bubbles
US20090273464A1 (en) * 2004-12-13 2009-11-05 Stewart Pepper Synthetic smoke generator and smoke detector tester using such a generator
US7852227B2 (en) * 2004-12-13 2010-12-14 Sata Limited Synthetic smoke generator and smoke detector tester using such a generator
US20070089651A1 (en) * 2005-10-11 2007-04-26 Alok Pandey Electrically fired steam locomotive
US20110259090A1 (en) * 2007-12-22 2011-10-27 Dan Angelescu Thermal bubble point measurement system and method
US8950246B2 (en) * 2007-12-22 2015-02-10 Schlumberger Technology Corporation Thermal bubble point measurement system and method
US8897629B1 (en) * 2012-01-27 2014-11-25 Scent Sciences Corporation Scent delivery apparatus
US20180220664A1 (en) * 2017-02-08 2018-08-09 Fomesa Fruitech, S.L. Smoke generator container for applying phytosanitary products and method of manufacturing same

Also Published As

Publication number Publication date
DE2238733A1 (de) 1974-02-21
JPS5116829B2 (US20080293856A1-20081127-C00150.png) 1976-05-27
JPS4963539A (US20080293856A1-20081127-C00150.png) 1974-06-20
DE2238733C3 (de) 1978-03-23
GB1393832A (en) 1975-05-14
DE2238733B2 (de) 1977-07-28

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