F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 41/08 (2006.01) F16L 25/00 (2006.01) F16L 33/00 (2006.01) F23D 14/46 (2006.01) F23K 5/00 (2006.01) F24H 9/18 (2006.01)
Patent
CA 2558709
A gas supply coupling is disposed within and extends through an opening of a combustion chamber for a water heater. The coupling including a fitting which is a relatively inexpensive stamped component. A stepped tubular connection extends from a plate and includes a first portion having a first diameter which necks down to a second portion having a second diameter less than the first diameter. The stepped tubular connection receives a gas supply tube into the first portion and a gas supply line over the second portion. The tubes are braised to the stepped connection. Other gas supply couplings include a machined fitting and a direct connection between a gas supply tube and a gas supply line in which the gas supply tube itself provides for both the seal to the shield and the connection to the gas supply line.
Brass Craft Manufacturing Company
Gowling Lafleur Henderson Llp
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