The disclosure relates to a burner having a container for storing liquid fuel, a fuel inlet for filling liquid fuel into the container, and a fire outlet for fire from burning liquid fuel to leave the burner. The fire outlet may function as fuel inlet or a separate fuel inlet is provided. The burner includes a stopping mechanism and an actuator for controlling the stopping mechanism. The stopping mechanism is displaced by the actuator towards a first position, when the temperature of the actuator is changed from a relatively high temperature to a relatively low temperature. The stopping mechanism is displaced by the actuator towards the second position, when the temperature of the actuator is changed from a relatively low temperature to a relatively high temperature. The disclosure also relates to a method of operating such a burner and a funnel for a burner.

A flare tip assembly includes a barrel having a barrel wall with an inner surface and an outer surface, an interior cavity defined within the inner surface and extending axially through the barrel, and internal channels formed through the barrel wall. The internal channels have a first opening at a lower axial end of the barrel wall and a second opening at an opposite, upper axial end of the barrel wall, and the internal channels are enclosed between the inner surface and the outer surface of the barrel wall. The flare tip assembly further includes a pilot positioned proximate to the upper axial end of the barrel.

A canister system comprises a canister adapted to contain a liquid therein, the canister having an opening, the opening defined by a boss extending from a surface of the canister. A wick is disposed through the opening and adapted to be in contact with the liquid. A cap securely and removably attaches to the boss and covers the wick.

One embodiment includes a fuel injector. The fuel injector assembly comprises a conduit for conveying fuel from a fuel inlet to a nozzle. The conduit is located in a support, with the conduit, the nozzle, and the support being a single unitary piece. A thermally compliant feature is located at the nozzle which allows the fuel injector to adjust for differential thermal expansion.

An air swirler has a radially outer wall bounding an annular passage. The radially outer wall has an axially extending portion and a radially convergent portion which converges towards an outlet of the passage. Downstream of the outlet, the passage facing surface of the radially outer wall becomes divergent. The region in which the passage facing surface of the radially outer wall is convergent then divergent defines the flare. A circumferential and axially extending recess is provided in the radially outer wall opposite the flare. A reinforcement of material with superior wear properties to the material of the main body is built in the recess to a radius which coincides with that of the outer surface of the axially extending portion of the radially outer wall. The reinforcement can conveniently be added to the main body by means of a laser consolidation ALM process.

A nozzle is provided including a nozzle body having an upstream end and a downstream end aligned about a central axis. A discharge portion is positioned adjacent the downstream end. A bore extends inwardly from the downstream end over the length of the discharge portion. An opening is formed in the nozzle body adjacent the discharge portion. The opening is fluidly connected to the bore to provide an interior air flow passage. A main fuel channel extends from the upstream end to the discharge portion. At least one fuel flow branch extends through the discharge portion between the bore and an outer surface of the nozzle body. The fuel flow branch is fluidly coupled to the main fuel conduit to provide a fuel flow passage. The outer air cap is positioned about the outer surface of the discharge portion of the nozzle body to form an exterior air flow passage.

A fuel-fired heating appliance comprises a burner and a first housing adjacent the burner so that an interior of the first housing receives combustion gasses from combustion at the burner. A heat exchanger defines a second housing with an inlet proximate an outlet of the first housing so that the inlet of the second housing receives combustion gasses from the outlet of the first housing, and wherein the first and second housings attach at an interface. A barrier extends within, and across an interface between, the outlet of the first housing and the inlet of the second housing and defines a thermal resistance that inhibits heat transfer from the combustion gasses to the interface.

A fire display device includes a fuel reservoir, a cap, a wick, and a fixture assembly for holding the wick. The cap is positioned within the fuel reservoir and forms a recess. The cap has at least one fuel injection hole and a first positioning hole both extending therethrough and in communication with the chamber and the recess. The wick is inserted through the first positioning hole and has a top end positioned above the cap and a bottom end positioned below the cap. The fixture assembly includes a clamping member with first and second clamping surfaces. The wick is clamped between the first and second clamping surfaces. The first and second clamping surfaces are inserted through the first positioning hole.

A burner assembly according to aspects of the disclosure includes a burner surface carried by a burner, the burner surface extending outward from a front side of the burner, a housing coupled to the burner on a side opposite the front side of the burner, a gasket disposed between the burner and the housing, a thermally anisotropic protective covering located on the front side of the burner and surrounding a perimeter of the burner surface, and an igniter positioned adjacent to the burner surface.

A burner box assembly according to aspects of the disclosure includes an outer cover, the outer cover having a sloped bottom face that directs condensation away from a heat-exchange tube, a heat-resistant liner having a plurality of panel members, the heat-resistant liner being disposed within the outer cover, a shield disposed between the heat-resistant liner and the sloped bottom face of the outer cover such that an air gap is formed between the shield and the sloped bottom face, and a tubular member abutting at least one of the plurality of panel members and disposed within the heat-exchange tube.