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 combustion manifold includes an air-fuel mixing system, a stoichiometric unit, and a refractory unit each coupled to one another. A first combustion stream is established at the air-fuel mixing chamber system as fuel exits an injector device at direction perpendicular to the laminar air intake stream. A laminar air intake stream traveling from the supply input module and along the staging passageway passes through a stoichiometric unit body at a plurality of air intakes to meet with the first combustion stream within to define a second combustion stream for introduction from the stoichiometric unit to the refractory unit. The refractory unit thus defines a third combustion stream as the second combustion stream travels across a refractory passageway.

A combustor assembly including a combustor liner defining therein a combustion chamber for the downstream flow of a main fluid. At least two annular trapped vortex cavities are located on the combustor liner and staged axially spaced apart. A cavity opening is located at a radially inner end of each of the at least two annular trapped vortex cavities spaced apart from a radially outer wall and extending between an aft wall and a forward wall of each cavity. A plurality of injectors are configured tangentially relative to the circular radially outer wall to provide for an injection of air and fuel to form an annular rotating trapped vortex of a fuel and air mixture within a respective annular trapped vortex cavity. The annular rotating trapped vortex of the fuel and air mixture at the cavity openings is substantially perpendicular to the downstream flow of the main fluid. A gas turbine engine including the combustor assembly is disclosed.

A high-efficiency heating apparatus for heating fluids and cooking mediums, such as oil or shortening within a fryer, includes a natural draft (non-powered) or a powered draft combustion chamber that is affixed to an exterior surface of a fry tank.

A high-efficiency heating apparatus for heating fluids and cooking mediums, such as oil or shortening within a fryer, includes a natural draft (non-powered) or a powered draft combustion chamber that is affixed to an exterior surface of a fry tank.