This invention provides a portable combustion device that provides a cleaner combustion, provides a more efficient overall combustion through the use of a fan that directs a predetermined volume of airflow over the combustible fueltypically wood or similar cellulose-based biological solids and provides a cooking surface that is a grill top. The combustion device has a combustion chamber into which the fuel source is placed for combustion. Mounted to the side of the combustion chamber is a housing that encloses the TEG, which generates an electrical output, based on a difference in temperature on opposing sides. Mounted onto the TEG housing and protruding into the combustion chamber through a small passageway is a heat-conducting probe and heat-conducting probe base unit.

This invention provides a portable combustion device that provides a cleaner combustion, provides a more efficient overall combustion through the use of a fan that directs a predetermined volume of airflow over the combustible fueltypically wood or similar cellulose-based biological solids and provides a cooking surface that is a grill top. The combustion device has a combustion chamber into which the fuel source is placed for combustion. Mounted to the side of the combustion chamber is a housing that encloses the TEG, which generates an electrical output, based on a difference in temperature on opposing sides. Mounted onto the TEG housing and protruding into the combustion chamber through a small passageway is a heat-conducting probe and heat-conducting probe base unit.

A portable base and grill assembly with few parts, that is collapsible, robust, and easily portable and storable is provided. The base includes two parts: a collapsible frame for containing combustion and an insert for holding combustible material including wood and charcoal. The portable grill includes two parts: a collapsible stand and a cooking surface. The cooking surface is a rollable grill that can support cookware or be used to cook food directly. The height of the stand may be adjusted to raise or lower the cooking surface above a heat source. The portable base, portable grill and cooking surface may each be used as a standalone apparatus or combined and used together as in the assembly. The base and grill assembly may be constructed wholly of stainless steel for durability.

A cooking grill includes a container defining a combustion area and a cooking surface over the combustion area. The grill features a pellet burner unit disposed within the container under the cooking surface and a pellet feeding device arranged to feed pellets into the burner unit. The burner unit comprises a trough into which the pellets are fed. The trough is mounted in a movable support which can be pulled out from within the container. The feeding device includes a removable cartridge for containing pellets and a receptacle for receiving the cartridge inserted thereon so that the cartridge supplies pellets for transfer to the pellet burner unit. In addition, a gas burner system is arranged in the container adjacent to the pellet burner unit so as to apply heat from the gas burner system to the cooking surface in addition to or as an alternative to the pellet burner unit.

A collapsible combustion container comprises a first pair of vertically oriented panels that are pivotally joined to one another. A second pair of vertically oriented panels are pivotally joined to one another. The first pair of vertically oriented panels comprise first and second rectangular panels of substantially the same height. The second pair of vertically oriented panels comprise third and fourth rectangular panels having a different height from each other. The third rectangular panel has the same height as the first and second rectangular panels of the first pair of vertically oriented panels. The height of the fourth rectangular panel of the second pair of panels is considerably less than that of the other panels whereby when the first and second pairs of vertically oriented panels are arranged to form a box shaped perimeter having an open space between interior facing surfaces of the pairs of the first and second pairs of vertically oriented panels for containing a combustion reaction wherein said open space is accessed below the fourth rectangular panel. A lid is mounted to upper ends of the first, second, third and fourth vertically oriented panels.

A collapsible combustion container comprises a first pair of vertically oriented panels that are pivotally joined to one another. A second pair of vertically oriented panels are pivotally joined to one another. The first pair of vertically oriented panels comprise first and second rectangular panels of substantially the same height. The second pair of vertically oriented panels comprise third and fourth rectangular panels having a different height from each other. The third rectangular panel has the same height as the first and second rectangular panels of the first pair of vertically oriented panels. The height of the fourth rectangular panel of the second pair of panels is considerably less than that of the other panels whereby when the first and second pairs of vertically oriented panels are arranged to form a box shaped perimeter having an open space between interior facing surfaces of the pairs of the first and second pairs of vertically oriented panels for containing a combustion reaction wherein said open space is accessed below the fourth rectangular panel. A lid is mounted to upper ends of the first, second, third and fourth vertically oriented panels.

A fire pit includes an engine having at least one wall defining an inner chamber. At least one primary air aperture is defined through the inner chamber wall at a first, lower level, and at least one secondary air aperture is defined through the inner chamber wall at a second, upper level. A fuel grate is supported within the inner chamber at a level between the lower level and the upper level.

A fire pit includes an engine having at least one wall defining an inner chamber. At least one primary air aperture is defined through the inner chamber wall at a first, lower level, and at least one secondary air aperture is defined through the inner chamber wall at a second, upper level. A fuel grate is supported within the inner chamber at a level between the lower level and the upper level.

This invention provides a portable combustion device that provides a cleaner combustion, provides a more efficient overall combustion through the use of a fan that directs a predetermined volume of airflow over the combustible fueltypically wood or similar cellulose-based biological solids and provides a cooking surface that is a grill top. The combustion device has a combustion chamber into which the fuel source is placed for combustion. Mounted to the side of the combustion chamber is a housing that encloses the TEG, which generates an electrical output, based on a difference in temperature on opposing sides. Mounted onto the TEG housing and protruding into the combustion chamber through a small passageway is a heat-conducting probe and heat-conducting probe base unit.

This embodiment relates generally to the Fire-Starter Apparatus (200) as a means to provide an instant fire in a safe, portable, time-saving, disposable, and convenient manner. The Fire-Starter Apparatus (200) contains both the fuel and reagents housed in a safe and convenient manner. The Fire-Starter Apparatus (200) relies on the user to cause the separated reagents to admix together, causing an exothermic reaction between reagents as a result of a chemical reaction between reagents.