Abstract: A quick-disconnect gas pipeline comprises a quick-disconnect device (QDD) which comprises a QDD male end and a QDD female end, and a gas hose. The QDD male end is connected to the gas pipeline inside the heating system and the QDD female end is connected to the gas hose outside the heating system. When the heating system is not used, it is easy to disconnect the QDD to prevent people from tripping over the long gas pipeline.

Abstract: A combustion heater (110) provided with a heating plate (126); a placement plate (120) disposed opposite the heating plate; an outer wall (122) provided around the outer circumference of the heating plate and the placement plate; a partitioning plate (124) that is disposed opposite the heating plate and the placement plate inside a space enclosed by the heating plate, the placement plate, and the outer wall, that forms a lead-in portion (134) by a gap with the placement plate, and that forms a lead-out portion (138) by a gap with the heating plate; and a combustion chamber (136) that is arranged in the space enclosed by the heating plate, the placement plate and the outer wall, and at which the fuel gas that was introduced from the lead-in portion combusts, and that leads out exhaust gas produced by the combustion toward the lead-out portion; in which a concavo-convex portion (146) that has concavities and convexities in the thickness direction is provided in the partitioning plate.

Abstract: A bottom assembly unit for a vaporizing burner combustion chamber assembly unit, especially for a vehicle heater, includes a bottom part (24) with a bottom wall. A porous evaporator medium (44) at least partially covers the bottom wall on a front side (42) positioned such that it faces a combustion chamber (20). A ring-shaped holding part (34) has a contact area (40) touching the porous evaporator medium (44). The contact area has a contact section (62) extending radially inwardly from a holding part circumferential wall (36) and extends over the porous evaporator medium (44) in a radially outer area (66). A plurality of contact projections (68) are arranged at spaced locations from one another about the longitudinal axis and extend in the direction of the porous evaporator medium. The porous evaporator medium (44) is pressed by the contact projections (68) in a radially outer area (66) against the bottom wall.

Abstract: A vaporizing burner combustion chamber assembly unit, especially for a vehicle heater, includes a bottom part (32) with a bottom wall (34) and with a first circumferential wall (38) and a porous evaporator medium (42) at least partially covering a front side of the bottom wall, which is to face a combustion chamber (14). A ring-shaped holding part (52) has a second circumferential wall (54) and a contact area (56) touching the porous evaporator medium. The first circumferential wall extends, from an outer edge area (36) of the bottom wall essentially in a longitudinal axis (L) direction of a bottom assembly unit (30), on a rear side of the first bottom wall facing away from a combustion chamber, in the direction away from the porous evaporator medium. The second circumferential wall extends at least partially over the first circumferential wall on its outer side and is fixed to same.

Abstract: A combustion chamber assembly unit, especially for a vaporizing burner and particularly especially for a vehicle heater, includes at least two combustion chamber elements (12, 20, 26, 32, 50, 52, 64, 102, 126) with wall areas (12, 34, 46, 54, 64, 104, 130, 140, 142). The at least two combustion chamber elements are arranged in a radially staggered pattern in relation to a longitudinal axis (L) of the combustion chamber and are fixed to one another by laser welding.

Abstract: A Dutch oven lid holder having a horizontally oriented support ring. Three support leg members have their top ends telescopically received in tubular coupling members formed on the support ring. The area beneath the support ring and within the perimeter of the support leg members defines a lid storage space. A lid support assembly has a horizontally oriented tubular sleeve portion having a tension coil spring passing therethrough. The opposite ends of the coil spring are detachably secured to brackets on the support ring. A vertically oriented anchor leg has its top end adjustably received on a T-connector portion extending downwardly from the tubular sleeve portion. The anchor leg has a hook on its bottom end that loops under the handle of a Dutch oven lid. Anchor arms extending inwardly from the respective support leg members would maintain a downward force on the Dutch oven lid causing the coil spring to be place under tension.

Abstract: A high efficiency laminar flow burner system for proving a stream of heat energy including a supply input module for providing fuel and laminar streams of air to a combustion manifold. The laminar air delivery system includes a damper, a blower, and an air delivery controller. The air delivery controller receives an efficiency signal to control the flow of a laminar air intake stream by adjusting the damper. The combustion manifold includes an air-fuel mixing system, a stoichiometric unit, and a refractory unit each coupled to one another. The laminar air intake stream traveling from the supply input module passes through a stoichiometric unit body to meet with a first combustion stream from an air-fuel mixing chamber within the stoichiometric unit body to define a second combustion stream. The second combustion stream then travels across the refractory passageway to define a third combustion stream.

Abstract: A liquid fuel-fired furnace installation is composed of at least one fuel tank (1), a fuel evaporation plate (2), a fuel vapor distribution plate (3) and a valve cutting-off the vapor flow, whereas the fuel tank (1) is connected with an evaporation plate (2) via a conduit (7), and the evaporation plate (2) is equipped with a vapor outlet (8) connected with a cut-off valve (4) and a vapor distribution plate (3) is connected with an inlet stub pipe (11), and in its upper part the plate has holes (12) though which the fuel vapors are exhausted. The installation is characterized by having fuel (P) delivered gravitationally via the conduit (7) into the evaporation plate (2) according to the connected vessels rule, which assures that an aerial layer is left over the fuel table (13).

Abstract: A liquid fuel combustion system is provided. The system comprises: a combustion stove, comprising a vaporization unit with a ring shape vaporization space, a burner assembly and a first pipeline; a liquid fuel storage tank, having a storage space; a second pipeline, having a third opening end open to the storage space and a fourth opening end open to the ring shape vaporization space; and a liquid fuel composition contained in the storage space, comprising a liquid fuel and an ignition promoter which provides a vapor pressure in the storage space, whereby the vapor pressure drives the liquid fuel composition to be delivered out the storage space through the second pipeline, vaporized in the ring shape vaporization space and then delivered by the first pipeline to the burner assembly.

Abstract: A field ration packaging assembly includes a ration housing and a food tray. The ration housing includes a lid panel having at least one air exhaust vent and a wall panel having at least one intake vent. The food tray may be positioned above a heat source. The at least one air exhaust vent and at least one air intake vent may be in fluid communication such that upon activation of the heat source, air enters the ration housing through the at least one air intake vent, passes over the heat source and exits the ration housing at the at least one exhaust vent by natural convection.

Abstract: A high efficiency stove has a chamber attached to a base. The chamber is liquid tight and holds liquid fuel such as alcohol within. At least one heat conductor is provided to capture heat and redirect it back into the fuel to increase the gasification process required for combustion. This heat is normally lost in conventional stoves. This greatly increases the efficiency of the stove and allows small size stoves to have a heat output superior to conventional stoves. In one embodiment, removable heat conductors are used to adjust heat output. In another embodiment an adjustment sleeve is used that effectively changes the height of the chamber to adjust output. Another embodiment utilizes an outer sleeve that rotates to open and close at least one airflow opening provided for that purpose. One embodiment includes cooking support legs that allows a user to use a pot or pan.

Abstract: A windscreen configured for use with a backpacking type of stove and a cooking container. The windscreen more effectively and efficiently directs the heat from the stove to the sides of the container so as to utilize less fuel to warm the materials therein, thereby reducing the weight to be carried by the user. In one embodiment, a plurality of adjustable lower vents selectively partially or fully open to control the wind allowed into the interior area of the windscreen so as to better transfer heat from the stove to the sides of the container. In another embodiment, adjustable support tabs at the upper end of the windscreen allow the user to adjust air flow out of the windscreen. In yet another embodiment, the upper end of the windscreen engages the sides or lip of the cooking container and air flows from the interior area through upper vent holes.

Abstract: A combustion device in the form of a paraffin stove (10) comprises a fuel reservoir (12), a burner (14), stand pipe (16) which extends between the reservoir (12) and the burner (14) and a stove top (18). The reservoir (12) comprises a rigid, air-tight outer container (22) and a deformable bladder (25) for holding paraffin (27) which is located within the container (22). The bladder has an outlet (44) which is connected to the stand pipe (16). A conduit (51) which can be connected to a source of compressed air is connected to the container (22) for pressurizing the container (22) to exert a force on the bladder (25) sufficient to cause the paraffin to be delivered to the burner (14) where it is ignited to produce a flame.

Abstract: A burner includes a container provided with a first opening defined for receiving therein alcohol and absorbent securely received in the container to provide stability to the alcohol, a tracking on top of the container and having side walls separated from the side walls of the container so as to compensate deformation of the tracking plate, a sliding plate slidably received on top of the bottom bracket to selectively close the second opening of the tracking plate; and a top plate securely mounted on top of the container to secure the tracking plate and having a third opening in communication with the first opening of the container and the second opening of the tracking plate.

Abstract: The present invention relates to an alcohol stove comprising a casing (10), whereby the housing comprises one or several fire hearths (17) and encases a fuel container (22) and a burner arrangement (20), wherein a heating wire (101) is arranged above the opening (25) of the fuel container (22) and that the heating wire (101) is connected to a connectable electrical power source, which when connected causes the heating wire (101) to heat up so that the heating wire (101) by heat radiation evaporates the fuel in the fuel container (22) such that the alcohol stove is ignited by the fuel fume vapours being ignited as they pass the heating wire (101).

Abstract: A small, lightweight, portable cooking stove that utilizes alcohol as fuel and is suitable for backpacking, hunting, camping and similar activities. The cooking stove includes a combustion chamber which encloses, contains and regulates the entire combustion process. The stove also includes an efficient fuel vaporizer, which is adapted to perform in unison with the combustion chamber, to effect the metered and efficient mixing of the air and fuel vapor. An integral, simple and convenient means is provided to vary the intensity and pattern of the heat output, thereby controlling the cooking performance of the stove. The stove achieves high heat output and efficiency, low fuel consumption, and superior cooking performance in a small, lightweight, portable, convenient, simple and integrated assembly.

Abstract: A small, lightweight, portable cooking stove that utilizes alcohol as fuel and is suitable for backpacking, hunting, camping and similar activities. The cooking stove includes a combustion chamber which encloses, contains and regulates the entire combustion process. The stove also includes an efficient fuel vaporizer, which is adapted to perform in unison with the combustion chamber, to effect the metered and efficient mixing of the air and fuel vapor. An integral, simple and convenient means is provided to vary the intensity and pattern of the heat output, thereby controlling the cooking performance of the stove. The stove achieves high heat output and efficiency, low fuel consumption, and superior cooking performance in a small, lightweight, portable, convenient, simple and integrated assembly.

Abstract: A small, lightweight, portable cooking stove that utilizes alcohol as fuel and is suitable for backpacking, hunting, camping and similar activities. The cooking stove includes a combustion chamber which encloses, contains and regulates the entire combustion process. The stove also includes an efficient fuel vaporizer, which is adapted to perform in unison with the combustion chamber, to effect the metered and efficient mixing of the air and fuel vapor. An integral, simple and convenient means is provided to vary the intensity and pattern of the heat output, thereby controlling the cooking performance of the stove. The stove achieves high heat output and efficiency, low fuel consumption, and superior cooking performance in a small, lightweight, portable, convenient, simple and integrated assembly.

Abstract: A stove has a fuel tank with a flat top and bottom and a side wall to define a fuel chamber. A fuel feed path includes a vertical pipe assembly. The fuel feed path also includes a horizontal pipe assembly functioning as a vaporizer. The fuel feed path also includes a generally C-shaped pipe assembly. An associated warming coil is in a generally circular configuration to direct a flow of some of the fuel from one part of the horizontal pipe assembly to another part of the horizontal pipe assembly. A generally cylindrical ignition chamber is at the terminal end of the C-shaped pipe assembly. Apertures are provided for cooking purposes and are adapted to preheat the fuel in the horizontal pipe assembly and the warming coil.

Abstract: An ultralight stove comprises a fuel reservoir having a plurality of jet holes in the top through which vaporized fuel escapes and burns, a portion of which is directed toward a heat conducting heat transfer plug, heat from which being conducted through the heat transfer plug to the reservoir where it heats fuel in the reservoir causing increased fuel vaporization that pressurizes the reservoir which in turn causing pressurized fuel to escape through the jet holes resulting in increased heat to the heat transfer plug, the cycle continuing until a fuel consumption and temperature equilibrium is obtained where the heat transfer plug and reservoir reach maximum operating temperatures. An external fuel absorber on the reservoir top receives fuel which when ignited initially heats the heat transfer plug to initiate stove operation.

Abstract: A compressor for a fuel canister. The compressor includes a handle or other device for rotating a shaft. Rotation of the shaft causes the operation of pistons, which drive air into the fuel canister, thus pressurizing the fuel canister. In an embodiment, the compressor is a rotary style compressor. In another embodiment, the compressor is a horizontally opposed compressor system. Other compressor configurations may be used.

Abstract: A small, lightweight, portable cooking stove that utilizes alcohol as fuel and is suitable for backpacking, hunting, camping and similar activities. The cooking stove includes a combustion chamber which encloses, contains and regulates the entire combustion process. The stove also includes an efficient fuel vaporizer, which is adapted to perform in unison with the combustion chamber, to effect the metered and efficient mixing of the air and fuel vapor. An integral, simple and convenient means is provided to vary the intensity and pattern of the heat output, thereby controlling the cooking performance of the stove. The stove achieves high heat output and efficiency, low fuel consumption, and superior cooking performance in a small, lightweight, portable, convenient, simple and integrated assembly.

Abstract: A portable hiking or camping stove, having a base member with an opening dimensioned to receive a burner therein; and three side members dimensioned so as to be assembled together to support the base member therebetween.

Abstract: The present invention provides a bench top grill assembly that includes a rigid continuous grill body, a grill grate removably covering an upper opening, and a fuel element receptacle or container removably positionable in the grill body through a lateral opening dimensioned to closely receive the container. A safety handle projects from the fuel element container through the lateral opening away from sides of the grill body so that the handle does not become heated during use and may be safely gripped. A support table with multiple dimensions, forks, and condiment dishes increase the convenience of the bench top grill assembly.

Abstract: The present invention provides a bench top grill assembly that includes a rigid continuous grill body, a grill grate removably covering an upper opening, and a fuel element receptacle or container removably positionable in the grill body through a lateral opening dimensioned to closely receive the container. A safety handle projects from the fuel element container through the lateral opening away from sides of the grill body so that the handle does not become heated during use and may be safely gripped. A support table with multiple dimensions, forks, and condiment dishes increase the convenience of the bench top grill assembly.

Abstract: There is provided a stand for a canned heat fuel cell wherein the stand has a side wall, an upper marginal edge and a lower marginal edge, the side wall being sized to be slightly larger than the fuel cell side wall, inwardly extending groove dividing the side wall into upper and lower portions with the upper portion having a height greater than the lower portion and also having a plurality of apertures to permit an air supply therethrough, grill bars for sheeting on the top of the side wall, the arrangement being such that the stand will sit on the upper marginal edge of the canned heat fuel cell. The arrangement provides an efficient means of using the fuel cell while preventing bums to the user and/or damage to the substrate surface.

Abstract: There is provided a stand for a canned heat fuel cell wherein the stand has a side wall, an upper marginal edge and a lower marginal edge, the side wall being sized to be slightly larger than the fuel cell side wall, inwardly extending groove dividing the side wall into upper and lower portions with the upper portion having a height greater than the lower portion and also having a plurality of apertures to permit an air supply therethrough, grill bars for sheeting on the top of the side wall, the arrangement being such that the stand will sit on the upper marginal edge of the canned heat fuel cell. The arrangement provides an efficient means of using the fuel cell while preventing bums to the user and/or damage to the substrate surface.

Abstract: A light-weight portable cooking gas stove to be connected to a source of pressurized gas fuel comprises a hollow circular plate, a circular pipe gas cylinder, a gas discharge control, a piezoelectric ignition, a ceramic crater for gas combustion substantially centrally disposed with respect to the plate and a double cover forming a trivet. The cylinder is installed adjacent to an inner circumference on the bottom of the plate to ensure stability of the stove. A filter is disposed within the cylinder to remove dust in the gas fuel. The cylinder includes on its exterior a gas fuel injection entrance. The gas discharge control is provided with a secondary regulator with a gas discharge valve for the gas fuel and an adjustable air intake for combustion in the crater. The gas discharge control may include a vinyl pipe which takes a roundabout path alongside the crater between the air intake and the cylinder to evaporate the gas fuel by waste heat of the crater.

Abstract: An alcohol fuel burner which comprises a fuel container having a base and a side wall, a cover for the upper portion of the container, the covering having a plurality of inlet apertures as well as a central aperture, draft control means to control the amount of air permitted through the air inlet apertures, an inner chimney extending upwardly from the centrally located aperture and an outer chimney extending upwardly from the fuel container with the outer chimney being spaced from the inner chimney. The device permits efficient burning of the fuel in the container.

Abstract: A gas cylinder joined to a gas appliance. Based on the knowledge that a resonance frequency of cassette type gas cylinder does not vary with a residual quantity of gas therein a transmitter and a receiver are placed in positions opposed to a weld zone of the trunk portion of the gas cylinder and which permits an output voltage of the receiver with respect to a residual quantity of the gas to be detected at a specific resonance frequency of the gas cylinder. The resonance frequency is not lower than a predetermined level, the residual quantity of a liquefied gas in the cylinder being detected by transmitting the specific resonance frequency signal from the transmitter and detecting a reception output of not lower than a predetermined level by the receiver. This enables a residual quantity of the gas in the liquefied gas containing cassette type gas cylinder to be detected reliably from the outside.

Abstract: A burner assembly includes an outer housing having a generally cylindrical internal bore and a generally cylindrical inner housing within the bore of the outer housing. The inner housing is thermally insulated from the outer housing by a pair of axially spaced flanges on the inner housing and by a generally conical bottom wall on the outer housing. The inner housing has a fuel inlet opening and a fuel outlet which communicates with a burner. A generator tube has a fuel inlet end, an intermediate portion which is positioned adjacent the burner, and a fuel outlet end which extends through the outer housing to the fuel inlet opening of the inner housing.

Abstract: A fuel control assembly for a campstove includes a valve stem which is rotatable 180.degree. within a valve body between open and closed positions. A pin on the valve body extends into a helical slot in the stem for moving the valve stem axially as the valve stem rotates. The stem includes first and second side surface portions which are engageable with a follower member which extends perpendicularly to the rotational axis of the stem. The second side surface portion extends radially outwardly beyond the first side surface portion. The follower member is engageable with a valve for opening the valve as the follower pin is engaged by the second side surface portion of the stem.

Abstract: A novel structure of an alcohol lamp comprises generally a container for containing alcohol therein, a heating pipe and a U-shaped tubular wick adapting capillary attraction to siphon the alcohol up from the container. The heating pipe provide heating source to warm the wick in order to acclerate the vaporization process of the alcohol in the upper portion of the wick and pressurize the vaporized alcohol so as to intensity the flame of the lamp. An adjustment device is provided to control the intensity of the fire. This invention ensures a reliable and economical use of an alcohol lamp.

Abstract: A chafing dish of a type in which food to be warmed is supported above a container of combustible fuel, particularly suited for outdoor use in which the occurrence of a burst of wind or a directed breeze is prevented from extinguishing or directing flames away from the undersurface of the chafing dish.

Abstract: The invention is a very lightweight pad or base for use with a small portable stove such as those used by backpackers or mountaineers. It provides a stable bearing surface when the stove is used on unstable surfaces such as snow or sand. The pad comprises an exterior frame which completely encloses a spider-like structure on which the stove rests. Preferably two legs of the spider have upstanding cleats to engage the base of the stove. A third leg has an attached spring which also engages the stove base to bias it firmly against the cleats and hold the stove in place. These legs are preferably spaced about 120.degree. apart. The spider may contain additional legs to increase strength and bearing surface. Since the cleats are of very low profile the pad is essentially planar and takes up little space in a backpack.

Abstract: A nonwoven fabric (31) having an annular shape in the horizontal cross-sectional view is put inside of a pressure-resistant wall (11) of a gas cylinder (2) adapted to contain liquefied petroleum gas (19). An outer surface (34) of the nonwoven fabric (31) is kept in contact with an upper portion of an inner surface (20) of the pressure-resistant wall (11). A lower section (33) of the nonwoven fabric (31) is adapted to suck up the liquefied petroleum gas (19) in its liquid phase portion (25) owing to capillary action, so that the sucked up liquefied gas can be brought into contact with the upper portion of the inner surface (20) of the pressure-resistant wall (11).

Abstract: A portable cook stove and stand includes a ring supported by three legs with braces and struts extending between the legs. A burner plate is supported by bi-level brackets attached to the legs adjacent the ring. The burner plate includes a deflector pan in which is mounted a fuel jet in communication with a fuel tank. The burner plate is supported by the brackets at a predetermined distance below the ring such that the ring acts as a wind break for the flame.

Abstract: A chafing dish burner including an open-topped cylindrical base, a cover having an opening therein selectively occludable by a linearly sliding valve, and an annular windscreen mounted to the cover in spaced relationship thereto by a plurality of legs.

Abstract: A cooking apparatus is fueled by a disposable propane tank which is supported by a regulator assembly below the casing of the cooking apparatus. The regulator assembly is attached to the bottom of the casing by a mounting bracket, and a burner assembly is mounted on the bottom of the casing inside of the casing. Fuel is conducted from the regulator assembly to the burner assembly by a venturi tube which extends through the bottom of the casing into the burner assembly.

Abstract: A flueless, low nitrogen oxides emissions, low carbon monoxide emissions space heater having a fuel chamber with a fuel inlet and a fuel distributor. The fuel inlet generates a swirling fuel flow within the fuel chamber. A primary air inlet generates a counter-swirling primary airflow with respect to the swirling fuel flow in a primary air chamber. The fuel distributor discharges the swirling fuel flow into the counter-swirling primary airflow thus forming a fuel/air mixture. An ignitor ignites the fuel/air mixture. A combustion chamber is sealably secured to and in communication with the primary air chamber. The combustion chamber wall has a plurality of secondary air supply holes. An intermediate shell surrounds the combustion chamber wall and forms a space between the intermediate shell and the combustion chamber wall. A secondary air inlet is in communication with the space between the intermediate shell and the combustion chamber wall. An outer protective shell surrounds the intermediate shell.

Abstract: An improved gas-fired cooking unit includes an easily adjustable and removable wind shield positionable next to a pair of relatively movable burners. A fixed burner is positioned beneath a cooking pan to which the wind shield is attachable, and a second auxiliary burner is either rotatably or fixedly attached to the cooking unit and is designed to support a separate cooking pan.

Abstract: The present invention is drawn to a self-priming alcohol stove comprising a burner cup with a base and side walls for storage of liquid alcohol, a main burner attached to the burner cup, a start-up burner, and a heat transfer unit to transfer heat from the main burner and/or the start-up burner to a quantity of alcohol held by transfer unit within the burner cup at a location distal from the side walls and the base. The vaporized alcohol passes to the main burner and is ignited by flames from the start-up burner. More alcohol is then continuously absorbed from the burner cup by the wick between the concentric, cylindrical walls to maintain the main burner flame. Operation of the main burner substantially deprives the start-up burner of oxygen so that heat from the main burner vaporizes alcohol absorbed between the concentric walls.

Abstract: A single burner propane campstove is adapted to be mounted directly on a disposal propane bottle. The campstove includes a regulator assembly which is connected to the propane bottle. A burner assembly is supported by a reflector bowl, and the reflector bowl is supported at discrete points by a spider support bracket which is attached to the regulator assembly. An insulator pad between the burner assembly and the reflector bowl reduces heat conduction. A wind baffle surrounds the outer periphery of the reflector bowl and the space therefrom.

Abstract: A campstove burner includes a burner box which is located above the burner pan of the burner. The burner rings are positioned between the burner pan and the burner box, and a fuel and air mixture within the burner box flows through the burner rings where it is ignited. Since the burner box is located above the burner pan, liquid fuel within the burner box will flow through the burner rings and will be ignited in the burner pan outside of the burner box. The burner box includes an L-shaped aspirator tube for mixing fuel and air. An inlet end of the aspirator tube communicates with a source of primary combustion air, and a fuel tube extends into the outlet end of the aspirator tube for aspirating combustion air into the inlet end. The burner box includes a generally cylindrical sidewall and the outlet end of the aspirator tube directs the fuel and air mixture generally tangentially to the inside of the cylindrical sidewall to promote swirling and mixing of the fuel and air.

Abstract: Outdoorsman's stove is light, compact, efficient, stands securely, and provides excellent support for a pot. The windscreen is cup-shaped, embraces the burner, is large enough to define a substantial heating area on the bottom of the pot, and holds the pot support. The windscreen is held slightly elevated on divergent legs. When not in use, the legs, pot support and burner demount and can be stored within the windscreen.

Abstract: A campstove burner includes a burner box which is located above the burner pan of the burner. The burner rings are positioned between the burner pan and the burner box, and a fuel and air mixture within the burner box flows through the burner rings where it is ignited. Since the burner box is located above the burner pan, liquid fuel within the burner box will flow through the burner rings and will be ignited in the burner pan outside of the burner box. The burner box includes a cylindrical sidewall which surrounds an upwardly extending cylindrical central portion of the burner pan to provide an annular mixing chamber An opening is provided in the cylindrical central portion of the burner pan, and a fuel tube extends into the cylindrical portion of the burner pan and directs fuel flow toward the opening. Fuel and air flow through the opening, and a portion of the fuel and air is deflected by the cylindrical wall of the burner box back through the opening to promote mixing.

Abstract: A portable stove assembly comprising a support member having a side wall which has at least one opening, a stove for burning liquid fuel which is located within the support member and which includes a fuel reservoir, and an air pressure assembly for pressurizing the fuel reservoir of the stove. The stove includes an inlet fixture for a closure cap and an air pressure assembly includes and elongated connecting tube with a cap at one end for engaging the inlet fixture on the stove and a gas fixture at the opposite end for receiving a portable air pump. The connecting tube is configured to extend through the opening of the support member when the cap is applied to the inlet fixture so that the gas fixture is located outside of the support member.

Abstract: A portable stove for camping and the like has a housing of sheet metal, comprising a dish-shaped lid and a dish-shaped base with burners accommodated in the base, the lid and the base being formed from identical workpieces with front, rear and side walls of the lid having the same length and height dimensions as those of the base to reduce manufacturing costs. The lid and the base are each formed with a curled rim for reinforcement and to facilitate pivotal connection of the base to the lid by tabs projecting from the base and wrapped around the lid rim. Windshields are pivotally connected to the base by tabs projecting from the windshields and wrapped around the rim at the side walls of the base.

Abstract: Apparatus for burning spirit or similar liquid fuels.A draught or burner tube (16) has a flange (18) defining a gap (32) in relation to a ring spaced below the flange and supported thereby. The container is engaged with the ring from below, an exposed surface of a fuel-absorbing mass (28) being located inside the ring. A gap is open at the periphery of the flange and the ring so that combustion air is drawn to the draught or burner tube through the gap along the exposed surface of the mass together with fuel vapors evaporating therefrom.

Abstract: The portable single burner campstove of this invention is characterized by compactness to conform to the space limitations of backpacking. The cooking unit assembly which can be mounted on top of a tank includes a reflector bowl, a burner within the reflector bowl and a grate. In addition, there is provided a burner box attached to the reflector bowl in communication with the burner. The burner box includes internal venturi means for carrying fuel from the tank into the burner box. In particular, there is provided a tube extending inwardly from the side of the burner box. The tube serves to entrain air with the fuel as the fuel is fed into the burner box. In addition, the burner box serves as a mixing chamber and distribution plenum for feeding a steady flow or an air/fuel mixture to the burner. The portable single burner campstove of the invention is characterized by high efficiency with minimum external dimensions.