F24C5/20

Pressure-type alcohol stove

A pressure-type alcohol stove includes a stove body, an upper cover, a pre-heating pipe, and an automatic liquid-feeding device, wherein the upper cover is arranged on the stove body and is matched with the stove body to form a vaporization cavity, the pre-heating pipe penetrates through the upper cover and has a bottom end located in the stove body and a top end partially stretching out of the upper cover, a pre-heating cavity is formed around the pre-heating pipe, spirally-distributed spray holes are formed through the upper cover, air jet holes used for air jetting and pre-mixing are formed through an upper part of in the pre-heating pipe.

PORTABLE STOVE
20220146106 · 2022-05-12 ·

The present disclosure includes: a casing with an open top; a combustion compartment including: a combustion chamber disposed inside the casing to generate a blue flame-shaped flame by burning vegetable oil; a combustion cover enclosing the combustion chamber therein, and having an inner wall spaced apart from an outer wall of the combustion chamber by a predetermined distance to form a predetermined cavity; and an air chamber disposed below the combustion cover with a lower end of the combustion chamber being positioned above, wherein the air chamber supplies outside air toward the combustion chamber during combustion of the vegetable oil; an oil tank that supplies the vegetable oil to the combustion chamber; and a control unit that controls whether or not to drive the air chamber, the flow and supply pressure of the outside air, and whether or not to supply the vegetable oil and a supply amount of the vegetable oil.

PORTABLE STOVE
20220146106 · 2022-05-12 ·

The present disclosure includes: a casing with an open top; a combustion compartment including: a combustion chamber disposed inside the casing to generate a blue flame-shaped flame by burning vegetable oil; a combustion cover enclosing the combustion chamber therein, and having an inner wall spaced apart from an outer wall of the combustion chamber by a predetermined distance to form a predetermined cavity; and an air chamber disposed below the combustion cover with a lower end of the combustion chamber being positioned above, wherein the air chamber supplies outside air toward the combustion chamber during combustion of the vegetable oil; an oil tank that supplies the vegetable oil to the combustion chamber; and a control unit that controls whether or not to drive the air chamber, the flow and supply pressure of the outside air, and whether or not to supply the vegetable oil and a supply amount of the vegetable oil.

PORTABLE HEATER WITH SAFETY FEATURES
20230243510 · 2023-08-03 ·

A fuel-fired heater can include a fuel tank; a housing assembly supported by the fuel tank, the housing assembly defining a chamber having an inlet and an air outlet; a fan located within the housing assembly; an air pump located within the housing assembly; an electric motor coupled to at least one of the fan and the air pump; a burner assembly located within the housing assembly, the burner assembly including a burner nozzle in fluid communication with the air pump and the fuel tank via a fuel line, and including an ignitor; and an electronic controller operating the electric motor and ignitor, the electronic controller including a proximity sensor oriented and arranged to sense an object located in front of the air outlet, wherein the electronic controller deactivates the electric motor when an object is sensed by the proximity sensor within a predetermined distance for a predetermined time period. In some examples, the heater includes a carbon monoxide sensor oriented and arranged to sense an ambient carbon monoxide level proximate the heater, wherein the electronic controller closes the fuel shut-off valve when a sensed carbon monoxide level exceeds a predetermined threshold for a predetermined period of time, for example 180 seconds. In some examples, the heater includes a fuel shut-off valve oriented and arranged to control fuel flow in the fuel line, wherein the electronic controller deactivates the heater by first activating the fuel shut-off valve to block flow through the fuel line and subsequently deactivating the electric motor after a predetermined time period.

PORTABLE HEATER WITH SAFETY FEATURES
20230243510 · 2023-08-03 ·

A fuel-fired heater can include a fuel tank; a housing assembly supported by the fuel tank, the housing assembly defining a chamber having an inlet and an air outlet; a fan located within the housing assembly; an air pump located within the housing assembly; an electric motor coupled to at least one of the fan and the air pump; a burner assembly located within the housing assembly, the burner assembly including a burner nozzle in fluid communication with the air pump and the fuel tank via a fuel line, and including an ignitor; and an electronic controller operating the electric motor and ignitor, the electronic controller including a proximity sensor oriented and arranged to sense an object located in front of the air outlet, wherein the electronic controller deactivates the electric motor when an object is sensed by the proximity sensor within a predetermined distance for a predetermined time period. In some examples, the heater includes a carbon monoxide sensor oriented and arranged to sense an ambient carbon monoxide level proximate the heater, wherein the electronic controller closes the fuel shut-off valve when a sensed carbon monoxide level exceeds a predetermined threshold for a predetermined period of time, for example 180 seconds. In some examples, the heater includes a fuel shut-off valve oriented and arranged to control fuel flow in the fuel line, wherein the electronic controller deactivates the heater by first activating the fuel shut-off valve to block flow through the fuel line and subsequently deactivating the electric motor after a predetermined time period.

Multi-fuel cooker
11805942 · 2023-11-07 ·

Method and apparatus for a portable outdoor cooker designed for use with multiple sources of fuel, including charcoal briquettes, wood, and gas/propane. The cooker is designed with an upright standing enclosure being generally rectangular shaped mounted on ground contacting wheels. The cooker is designed to be totally enclosed being a walled structure having front upper and lower doors which can be opened independently. The cooker includes a plurality of shelves so that various types of food items can be cooked simultaneously on the cooker and includes an electrical rotisserie unit mounted near the top of the interior of the cooker. A plurality of handles are provided on the walled enclosure of the cooker.

Multi-fuel cooker
11805942 · 2023-11-07 ·

Method and apparatus for a portable outdoor cooker designed for use with multiple sources of fuel, including charcoal briquettes, wood, and gas/propane. The cooker is designed with an upright standing enclosure being generally rectangular shaped mounted on ground contacting wheels. The cooker is designed to be totally enclosed being a walled structure having front upper and lower doors which can be opened independently. The cooker includes a plurality of shelves so that various types of food items can be cooked simultaneously on the cooker and includes an electrical rotisserie unit mounted near the top of the interior of the cooker. A plurality of handles are provided on the walled enclosure of the cooker.

PORTABLE FIRE PIT AND GRILL ASSEMBLY
20220257054 · 2022-08-18 ·

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 mil-able 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.

Portable cooking assemblies

Described herein are portable cooking assemblies, including a portable cooking assembly that may include: a first container having a first sidewall and an opening; a stove disposed in the first container, the stove may include: a second sidewall having an exhaust aperture and an air intake aperture; and a base coupled to the second sidewall; wherein fuel may be capable of being burned within the stove; and a lid coupled to the first sidewall of the first container and covering the opening and the stove.

Liquid fuelled tent heater and method of operating same
10845056 · 2020-11-24 · ·

A lightweight liquid fuelled heater for use in tents or shelters. A removable liquid fuelled burner is supplied by a fuel cannister and a pump to create pressure in the cannister. A flame plate restrains the flame in a desired position during combustion. The burner is positioned within a support plate in the heater and the burner is removable from the support plate and heater. The flame plate is likewise removable from the burner. An adjustable damper is mounted in the stack and an adjustment wheel is located externally of the heater to allow variable draft between startup and steady state combustion. A removable tray may be used for wood burning.