DE2946631A1 - Pocket sized catalytic heater for warming hands - has disposable fuel cartridge and upper chimney section divided by catalytic impregnated mesh - Google Patents

Abstract

The disposable catalytic heater has a lower fuel cartridge and wick for the fuel which is used with an upper chimney container section. A catalytic impregnated stainless steel member is reuseable along with a snuffer to be secured to the upper chimney section. The fuel compartment may be divided by vertical partitions for use with liquids, such as insect repellants and other chemicals that are not miscible with liquid fuel. An insulating coating is provided on both sections to retain the heat, and to make it possible to carry the heater comfortably.

Description

Catalytic heater

The invention relates to a catalytic heater which is so cheap is that it can be used as a disposable device. It has a lower housing section or a fuel container and wick for the fuel and each other Liquid intended for consumption. The device comes with used an upper chimney section. Alternatively, only the fuel tank can be used can be used as a disposable element, so that a new fuel container with the previously used upper chimney section is used. A catalytically impregnated one Body made of stainless steel can be used together with a trigger element and attachable to the upper chimney section.

Small pocket hand warmers and fragrance dispensers are known to do so in the UK U.S. Patents 1,502,251, 2,670,728, 2,746,138, 2,821,570, 2,914,060, 2,942,601) 3,049,117, 3 119 650, 3 295 510, 3 405 704, and 3 420 221. All devices according to the aforementioned Patent specifications share a common feature. The fuel must go through the Users are poured into the absorbent material, causing handling hazards entails if too much fuel renders the catalytic material ineffective. None of the aforementioned patents suggest that the Heater other than a hand heater or body heater can be used with Exception of the arrangement according to US-PS 3,119,650, according to which the use of heat is proposed to create a scent to attract game.

According to the invention, there was an inexpensive, after-use disposable catalytic heater created, which is only for use as a hand heater or body heater can be used and which can also be used, scents or chemicals to repel insects and other pests to create. The heater can also be used for heating or cooking. If the fragrance or chemicals are miscible with the fuel, then only a single compartment is used within the heater's container.

If they are immiscible, then the fuel is and the fragrances or chemicals in different compartments.

The device according to the invention has inexpensive, made of metal Fuel and chimney sections, which for example consist of aluminum. This is covered with a heat-insulating material to keep the heat in and to make it possible for the heater to be worn without risk of burns will. The two sections are adapted to each other, with one with between them a catalyst-impregnated, openings having or perforated individual Stainless steel plate is provided or one held in a frame Sieve, which is guided between the sections. The catalyst has a Opening through which a wick from a fuel or from a fuel absorbing material extends in the housing section.

If desired, the fuel can be mixed with a fragrance or fragrance be mixed with an insect killer, etc. If the Fragrance or the insecticide are not miscible, then the housing is with a separate compartment for each liquid. The catalyst or contact material body is impregnated with an active catalyst material such as platinum or palladium as discussed in U.S. Patents 2,670,728, 2,746,138, and 2,821,510 is. A removable cover or lid is on the lower case or Container portion provided, the lid hermetically for peel-off can be sealed. However, it can also be a painted, box-like one Act lid or a sealing snap-on lid.

The upper section or chimney section has a flue pipe.

This extends in the area of the opening receiving the wick down and is used to extinguish the flame. When the fuel and the If there is liquid in the fuel tank, the flue pipe is attached to the Inside the cover of the chimney section attached. If only fuel in the Container section is provided, then a can be inserted within the chimney section Containers provided, which either liquid chemicals, or food Drinks etc.

may contain. A removable cover on this insertable container is removable when the container is inserted through the cover of the chimney section is. A tubular exhaust or glow tube is made of the same material at the center the base of the insertable container and is of such a size that it extends downwards in the area of the wick opening or in the area of the eyelet is arranged when the container is inserted through the chimney section.

With the present invention, a cheap, catalytically active Heating devices are created, especially for warming the hands or body, part or all of the device can be thrown away after use.

A cheap heater should also be created, either a compartment for a single solid fuel or liquid fuel and mixed contains chemical constituents or which alternatively contains two or three of each other has separate compartments, which are provided for immiscible liquids are.

The catalytic heater has a disposable fuel containing lower portion with a sealed lid thereon, which is removable for use in order to subsequently light the wick.

When the upper chimney section is put on, the wick flame extinguishes and the catalytic process continues with the generation of heat.

There is a heat insulating cover on the heater in order to to keep the heat at its highest possible temperature and to be comfortable too Enable use for the user. It can be an inexpensive catalyst material can be used, which is adapted to any shape or size of a catalytic heater can be.

The device according to the invention has a catalyst body, which with a flat surface is completely exposed to the smoke of the fuel, whereby instant ignition and uniform combustion can take place to the highest To achieve degree of warmth. With normal care, the heater can be used without Protective cover can be used.

The apparatus of the invention is an improvement over that catalytic heater according to US-PS 4,068,651, wherein such a heater catalytic effect a lower container section with an upward having extending flange in the region of the top, furthermore an upper chimney section, which snugly and releasably on the lower container portion in the area of the extending Flange is placed and the chimney section contains an air pulling device. The heater also has a sealed fuel cartridge or

a fuel container with a fuel absorbent material on, in which a predetermined amount of liquid of the fuel is contained. A wick contained in the fuel absorbent material extends therefrom Material to the top. The sealed fuel container has a quick release Cover. The container fits into the lower container section, with a one Catalyst containing body passed over the fuel absorbing material and is held in this position. The catalyst body has an opening device, through which the wick extends. A wick extinguisher or withdrawal body extends downward and from a frame above the fuel container is insertable through an upper opening in the cover of the chimney section. Of the Chimney section has outlet openings for combustion vapors of the fuel.

The invention is described below using exemplary embodiments Explained with reference to the accompanying drawing.

Figure 1 is a perspective view of one embodiment of the catalytic Heater according to the invention; Fig. 2 is a vertical sectional view taken by line 2-2 in Figure 1; 3 is a perspective view of the catalytic body of FIG Fig. 2; Fig. 4 is a perspective view of the fuel container of Fig. 1, wherein the hermetically sealed lid is shown partially removed; Fig. 5 is a perspective view of a snap-on lid for the fuel container of FIG Figures 4, 11 and 12; Figure 6 is a perspective view of a combination of one usable chemical container and a trigger or. Extinguishing pipe, as in Fig. 1 and Fig. 2; Figure 7 is a perspective view of a snap-on deck for the Container according to Figure 6; Fig. 8 is a perspective view of another embodiment a catalytic heater according to the invention; Fig. 9 is Fig. 9 is a vertical sectional view taken on line 9-9 in Fig. 8; Fig. 10 is a perspective view the catalytic body of Figure 9; Fig. 11 is a perspective view of the divided Housing according to FIGS. 8, 9 and 12 with partially removed hermetically sealed Lid; and Fig. 12 is a partial sectional view of the compartmentalized container. wherein the catalytic body is located within the hermetically sealed container is shown and a removable shell the catalytic body against impurities by the liquid fuel protects while the seal is still in place.

In the drawing is an embodiment of the complete, assembled catalytic heater 10 shown according to the invention. The heater 10 contains a fuel cartridge or a fuel container 12, which originally is provided with a quick-open, hermetically sealed lid 14. The lid 14 has a pulling handle 16 to use the lid manually can be found. A cover 18 which can be plugged on by means of a snap connection is used for sealing the opened fuel container, such that the lid over the edge 28 is pushed when only part of the fuel has been used up. Alternatively, the lid 18 can originally be used in the packaging, whereby the hermetically sealed cover 14 can be completely dispensed with.

After removing the cover, the upper chimney section is attached to the container 12 20 adapted for the purpose of commissioning.

Both the lower fuel container 12 and the upper chimney sections 20 are made of a conventional heat insulating material 22 covered to the heat within the container 12 and in the chimney or hood 20 au and to make the heater comfortable to use.

An outwardly widened flange 24 is located on one of the sections provided, preferably on the upper portion 20, as the lower container 12 for fuel is removed when its contents are used up.

A bar 26 is located just below the upper edge 28. This is independent of whether the sealed cover 14 is used or not, present because it is used as a seat for receiving and holding the one shown in FIG catalytic body 30 is used.

The catalytic body 30 consists of a single flat plate 32 with a right-angled middle part, which is impregnated by a catalytic Section is made of stainless steel. This can have a thickness of about 0.0037 Gauge and can either consist of a foraminated sheet of stainless steel Steel of the same thickness or consist of a sieve 34 made of stainless steel, which has about 80 strands per inch. An opening provided in the middle is used for Receipt of a wick and can consist of an eyelet 36 in the sieve 34. Through this A wick 38 extends from a fuel 40 filling the container 12 with an eyelet up. In The liquid fuel was previously in this container absorbed to a certain extent. A fuel filter 42 of activated Charcoal may be provided over the fuel containing absorbent material 40 be. The eyelet 36 can, but need not, be in a foraminated plate-shaped form catalytic body can be used. It's just one in the middle A suitable size opening is required to accommodate the wick 60 or 82 serves.

The chimney or flue section 20 is embossed with two lower rows, Air inlet openings 44 are provided. These are on the opposite sides Pages of section 20.

Furthermore, there are two outlet openings located in opposite positions 46 for combustion or exhaust products at the oval ends near the top 48 intended. The center of the top or cover 48 of the chimney section 20 is provided with an opening with an inwardly curled edge 50 through which the chemical container 52 is inserted.

Extends from the base 54 of the chemical container 52 into the In the middle a flame breathing tube 56. This tube is dimensioned according to its size so that that the lower edge 58 just the screen 34 or the eyelet or the perforated plate touched in the area of the central opening when the container 54 through the chimney opening is passed between the edge 50. The tube 56 surrounds the upper end 60 of the glowing wick and extinguishes the flame on it. Catalytic heating with the help of the fuel with the use of the catalytic Body 34 can last as long as the fuel supply lasts.

To interrupt the heating effect, the chimney section 22 of removed from the fuel container 12, after which the lid 18 is brought into position will. If the cover 18 is not available, then the heating effect can be interrupted by placing the heater 10 upside down and by removing the fuel container 12 from the chimney or flue section 20 separates, so that the contact of the catalytic Body with the fuel vapors is prevented. The chemical matter in the container 52 is saturated in an absorbent material 68 to the extent desired.

Has a sealed cover 62 on chemical container 52 a pull handle 64 for manual removal while a snap-on cover 66 is provided for renewed sealing if necessary. Alternatively, originally the cover 66 can be used in packaging, being on the hermetically sealed Cover or on the lid 62 completely omitted.

In Fig. 8 is a further embodiment of the device, with reference number 70 provided, shown. In this device 70 there is fuel and chemicals Containing container 72 is provided which has vertical partitions 74. These partitions form a plurality of compartments 76, three compartments are shown. A solid fuel is contained in the middle compartment, or is a fuel absorbent material 78 in saturated form, i.

provided with desired amount of fuel. In the side compartments are chemically absorbent materials 80 are provided, which in the desired amount chemical materials are saturated. Same or different materials can be provided in the separate compartments for chemical materials be.

The fuel or the fuel receiving or absorbing Material 78 in central compartment 76 has a wick 81, the top end 82 of which extends through a central opening in the screen or in the eyelet 84 of the catalytic screen 86 extends, as mentioned for the first embodiment. The sieve 86 is carried in a single planar frame 88, which is preferably made of stainless steel Steel is made. The frame 88 is oval in shape and fits into the top of the oval container 72, but is open at its ends 90, so that vapors of the chemicals absorbent materials 80 can easily pass through when the heater is in operation.

According to FIG. 12, the catalytic frame 88 can be in the container 72 be prepackaged with a moisture resistant envelope 92 underneath is packed. The sheath 92 has a shoulder 94. After removing the cover 96 pulling the handle 98 pulls the attachment 94 to remove the cover 92, such that the fuel and chemicals can be vaporized if that Heater is being used. A fuel filter 100 is above the middle compartment 76 provided for the fuel in material 78.

The chimney section 102 of the heater 70 has an exterior offset flange 111, to which the container 72 is adapted in the same way, as applies to the corresponding components of the heater 10. Air inlet openings 104 and outlet slots 106 for combustion gases are provided in a corresponding manner.

The chemicals present in any form are suitable Intended for such purposes as, for example, insecticides or exterminators, as an air freshener or as a deodorant.

Chimney section 102 and container 72 are at 107, respectively insulated to retain heat and to make the heater comfortable to use do. At the base of the cover 108 of the chimney section 102 is a Breathing tube 110 which surrounds the central opening in the sieve or in the plate or is held opposite the eyelet 84 and surrounds the upper end 82 of the wick. This will draw off the flame when the chimney section 102 hits the container 72 is set. An inboard ledge 112 below the top edge 114 remains when the cover or lid 96 is removed to put on the catalytic body 88 to receive and hold. The snap-on lid 18 of the first embodiment can be used to seal the housing 72, if so desired.

The chimney sections and the housing section of both embodiments can be interchanged with those of the other embodiment as desired will. It can be in the container 12 miscible fuels and Chemicals are used. The chimney section 102 of the second embodiment can hereby be used.

Instead of the chemicals in the container 52, food can also be used or drinks can be provided, giving the container the appropriate size.

To operate the illustrated embodiments of the heater According to the invention, the sealing cover of the fuel container is first removed, after which the catalytic body is placed in the top of the container if it is not yet available there. In this case, the envelope pulled off by pulling on their base or handle.

The wick that extends through the opening or the eyelet is ignited and left burning until the catalytic action is initiated is. The chimney section is then placed on the fuel housing put on in such a way that the flame is extinguished and the catalytic effect lasts as long as desired or until the fuel is used up. The catalytic effect can be suppressed if desired by opening the chimney section and by putting the lid 18 on, or by putting the heater over head provides to the contact of the catalytic mass with the fuel vapors avoid. If the snap-on cover is used, it saves it the remaining fuel or chemicals for further use. Without such a cover, these materials would evaporate.

The heater 10 can have any desired shape based on FIG a pocket or hand warmer to a warehouse or home heater and it can hold and heat commercially available prepared containers Used for food or any other suitable container Size.

The term "foraminated" or "foraminous" as used herein Description and / or used in the claims includes every subject matter with the opening located in it, whether this may be a sieve or a grid or any other suitable material or plate in which there are openings.

So is a metal plate with openings or holes in it or to designate a metal screen or a plastic screen as "foraminated".

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Claims (10)

PATENT CLAIMS f A Catalytic heater with a lower sealed Fuel tank and an upper chimney section, characterized in that the sealed lower section has a manually removable sealing cover (14, 18, 96) has that the sections complementary adapted edges (24, 28, 111, 114) without the use of the sealing cover have that of the lower container section an inwardly extending ledge (26, 112) which is slightly below their adapted edge (28, 114) that in the container section is fuel material (40, 78) it is contained that both sections have a directly applied heat insulating material Layer (22, 1 (g have that a catalytic body with a single planar Frame body (30, 88) is provided, which is placed on the bar and attached to it is held that a body impregnated with a catalyst (34, 86) made of stainless Steel in the plane of the catalytic frame body above the fuel material held with the stainless steel body having an opening in the middle (36, 84) for receiving a wick has that a wick (38, 81) is in the Fuel material extends up through the opening that a tube (56, 110) is arranged centrally within the chimney section and the catalytic body in the area of the wick (60, 82) passed through, and that the chimney section several inlet openings (44, 104) on its lower edge and in the region of its upper edge (48, 108) has a plurality of outlet openings (46, 106) for combustion products. 2. Heater according to claim 1, characterized in that the Pipe (110) as a flue pipe integrally from the top (108) of the chimney section extends. 3. Heater according to claim 1, characterized in that the chimney section (20) has an opening (50) receiving a container on its upper side (48), that a sealed container (52) extends tightly down through the opening, the tube (56) extending integrally downward from its base, and that the container is equipped with a quick-release lid (62, 66). 4. Heater according to one of the preceding claims, characterized in that that the lower portion is an inwardly extending horizontal ledge device (112) which serves as a holder for the catalytic body that the lower container has vertical partitions (74) which define the lower portion (72) divide that into several compartments that in one Compartment (76) fuel is contained, and that in other compartments liquid-absorbent material (80) and liquid are included, these being immiscible with the fuel are. 5. Heater according to claim 4, characterized in that the vertical Subdivision has two vertically extending partition walls (74) which Divide the lower section into three compartments that one in the middle compartment (76) liquid fuel absorbent material (78) and a material absorbed thereby liquid fuel are included, and that the outer compartments are absorbent Contain material (80) and liquids associated with the absorbed fuel are not miscible. 6. Heater according to claim 5, characterized in that the catalytic Frame (88) has open ends (90) such that vapors from the two outer Compartments can flow through upwards when the heater is in operation. 7. Heater according to one of the preceding claims, characterized in that that this has a fuel vapor filter (42, 100) above the fuel. 8. Heater according to one of the preceding claims, characterized in that that the lower housing section (12, 72) prior to its adaptation to the chimney section (20, 102) consists of a sealed container, which is a quickly releasable, sealed Has cover (14, 96), and that a handle attached to the cover (16, 98) is provided for manual removal of the cover. 9. Heater according to one of claims 1 to 7, dadurCh gekennzetchnet, that the lower housing section before its adaptation to the chimney section as sealed container, which has an easily removable snap-on lid (18) contains. 10. Heater according to one of the preceding claims, characterized in that that the catalytic body is in the sealed lower container below the strip (112) of the cover is located, and that below the catalytic body a moisture-resistant cover (92) is arranged.