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US 10,094,619 B2Granted
Heat exchanger having arcuately and linearly arranged heat exchange tubes
AssigneeLaars Heating Systems Company
InventorChristopher J. Holiday
Life of this patent
Estimating the term…
Abstract
Disclosed is a heat exchanger that has an internal air flow pattern such as a helical pattern. The heat exchanger includes a shell that encompasses an inner series of heat exchange tubes and an outer series of heat exchange tubes. A baffle sheet is juxtaposed next to the outer series of heat exchange tubes. And the baffle sheet is configured to direct air flow within the heat exchanger in a configuration, such as a helical configuration, from a center of the shell toward an outer region of the shell.
Claims26
A heat exchanger configured for transferring heat from combustion gases from a burner to water contained in heat exchange tubes, the heat exchanger comprising:
- an inner series of heat exchange tubes arranged to surround the burner such that combustion gases emanating from the burner flow radially through spaces defined between adjacent heat exchange tubes of the inner series;
- an outer series of heat exchange tubes spaced outwardly from the heat exchange tubes of the inner series;
- a first baffle juxtaposed adjacent the heat exchange tubes of the outer series, the first baffle being positioned to direct the flow of combustion gases adjacent the heat exchange tubes of the outer series, a second baffle juxtaposed adjacent the heat exchange tubas of the outer series and opposed the first baffle, the first baffle and the second baffle together defining an air passageway that converts air flow inside the heat exchange from radial flow to helical flow;
- and
- a shell enclosing the heat exchange tubes of the inner and outer series.
2 more elements
A heat exchanger comprising:
- an inner series of heat exchange tubes arranged to surround a burner such that combustion gases emanating from the burner flow radially through spaces defined between adjacent heat exchange tubes of the inner series;
- an outer series of heat exchange tubes spaced outwardly from the heat exchange tubes of the inner series, wherein adjacent tubes of the outer series of tubes are arranged parallel to each other and in a linear row, such that each of the adjacent tubes of the outer series of tubes is arranged to be in a linear row;
- at least a first baffle juxtaposed adjacent the heat exchange tubes of the outer series, the first baffle being positioned to direct the flow of combustion gases adjacent the heat exchange tubes of the outer series;
- and
- a shell enclosing the heat exchange tubes of the inner and outer series.
2 more elements
A heat exchanger comprising:
- an inner series of heat exchange tubes arranged to surround the burner such that combustion gases emanating from the burner flow radially through spaces defined between adjacent heat exchange tubes of the inner series, wherein the inner series of heat exchange tubes are configured to form an arcuate arrangement;
- an outer series of heat exchange tubes spaced outwardly from the heat exchange tubes of the inner series, wherein adjacent tubes of the outer series of heat exchange tubes are configured to form a linear arrangement with adjacent tubes of the outer series of tubes and to be proximate to the inner series of heat exchange tubes;
- at least a first baffle juxtaposed adjacent the heat exchange tubes of the outer series, the first baffle being positioned to direct the flow of combustion gases adjacent the heat exchange tubes of the outer series;
- and
- a shell enclosing the heat exchange tubes of the inner and outer series.
2 more elements
A heat exchanger comprising:
- an inner series of heat exchange tubes arranged to surround the burner such that combustion gases emanating from the burner flow radially through spaces defined between adjacent heat exchange tubes of the inner series;
- an outer series of heat exchange tubes spaced outwardly from the heat exchange tubes of the inner series;
- a first baffle juxtaposed adjacent the heat exchange tubes of the outer series, the first baffle being positioned to direct the flow of combustion gases adjacent the heat exchange tubes of the outer series, a second baffle juxtaposed adjacent the heat exchange tubes of the outer series and opposed the first baffle, the first baffle and the second baffle together defining an air passageway, wherein an airflow velocity at an upstream portion of the air passageway is lower than an air flow velocity at a downstream portion of the air flow passageway;
- and
- a shell enclosing the heat exchange tubes of the inner and outer series.
2 more elements
Dependencies are inferred from the claim text.