초록 ▼

A water heater comprising a tank defining a water chamber, a combustion chamber for heating water in the water chamber, and a combustion air inlet pipe including an outlet end communicating with the combustion chamber. The inlet pipe also includes an inlet end having a longitudinal axis, and a plate

A water heater comprising a tank defining a water chamber, a combustion chamber for heating water in the water chamber, and a combustion air inlet pipe including an outlet end communicating with the combustion chamber. The inlet pipe also includes an inlet end having a longitudinal axis, and a plate in the combustion air inlet pipe adjacent the inlet end, which plate extends outwardly of the inlet end along the longitudinal axis.

대표청구항 ▼

A water heater comprising: a tank defining a water chamber; a combustion chamber for heating water in said water chamber, a combustion air inlet pipe including an outlet end communicating with said combustion chamber, and including a generally horizontal inlet pipe; and a generally planar vertical p

A water heater comprising: a tank defining a water chamber; a combustion chamber for heating water in said water chamber, a combustion air inlet pipe including an outlet end communicating with said combustion chamber, and including a generally horizontal inlet pipe; and a generally planar vertical plate connected to said inlet end of said pipe, said plate extending outwardly from and extending across said inlet end so as to substantially prevent horizontal air flow completely across said inlet end.