Method of manufacturing a combustion chamber for a water heater
AssigneeBradford White Corporation
InventorsGarrett Doss, Michael Gordon, Eric Lannes
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a combustion chamber for use in a water heater is provided. A skirt is formed, and an edge portion of a plate is spot welded to the skirt. The edge portion of the plate is circumferentially welded to the skirt, thereby forming a seal between the plate and the skirt.
Claims12
1-15. (canceled)
A method of manufacturing a combustion chamber of a water heater, said method comprising the steps of:
- forming a skirt;
- circumferentially expanding a portion of the skirt;
- and
- welding a plate to the expanded portion of the skirt.
21-28. (canceled)
A method of manufacturing a combustion chamber of a water heater having a skirt and a plate, said method comprising the steps of:
- forming a skirt having a shoulder;
- positioning an edge portion of a plate adjacent the shoulder of the skirt;
- and
- welding the plate to the skirt by spot welding the edge portion of the plate to the skirt and by circumferentially welding the edge portion of the plate to the skirt, thereby forming a seal between the plate and the skirt.
A method of manufacturing a combustion chamber of a water heater having a skirt and a plate, said method comprising the steps of:
- forming a skirt;
- circumferentially expanding a portion of the skirt to form a shoulder in the skirt adjacent which an edge portion of a plate can be positioned;
- and
- positioning the edge portion of the plate adjacent the shoulder of the skirt;
- and
- welding the plate to the skirt so as to form a seal between the plate and the skirt.
Dependencies are inferred from the claim text.