Heat exchanger and method of manufacture
OwnerDavid Bland Pierceinventor
Life of this patent
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Abstract
This invention relates to a heat exchanger and to a method of manufacturing a heat exchanger. The heat exchanger has a number of tubes and at least one tube plate. The ends of each tube are located in a respective opening in the tube plate(s). The ends of each tube contain a respective insert, the insert acting to expand the end of the tube into sealing engagement with the tube plate.
Claims17
A heat exchanger comprising a number of tubes and at least one tube plate, the ends of each tube being located within a respective opening in the tube plate(s), the ends of each tube containing a respective insert, the insert acting to expand the end of the tube into sealing engagement with the tube plate.
A method of making a heat exchanger comprising the steps of:
- providing at least one tube plate with a number of openings therethrough;
- providing a number of tubes and locating an end of each tube into a respective tube plate opening;
- providing a number of inserts and locating an insert into the end of a respective tube within a tube plate opening;
- and
- driving the insert into the end of the tube whereby to expand the end of the tube into sealing engagement with the tube plate.
Dependencies are inferred from the claim text.