US 12,405,058 B2
Can drying and moisture control system
Christopher James Faulkner, Lancashire (GB)
Assigned to Stolle Machinery Company, LLC, Centennial, CO (US)
Filed by Stolle Machinery Company, LLC, Centennial, CO (US)
Filed on Aug. 15, 2022, as Appl. No. 17/819,719.
Claims priority of provisional application 63/233,355, filed on Aug. 16, 2021.
Prior Publication US 2023/0051688 A1, Feb. 16, 2023
Int. Cl. F26B 21/08 (2006.01); F26B 3/04 (2006.01); F26B 15/18 (2006.01); F26B 21/00 (2006.01)
CPC F26B 21/086 (2013.01) [F26B 3/04 (2013.01); F26B 15/18 (2013.01); F26B 21/002 (2013.01)] 19 Claims
OG exemplary drawing
 
14. A method of heating cans in a can dryer or oven, the method comprising:
providing a gas burner, an electrical heating element, a heating chamber structured to heat cans using air heated by the gas burner and/or the electrical heating element, and a circulation system structured to move air from the gas burner and the electrical heating element to the heating chamber; and
selectively controlling the gas burner and the electrical heating element to switch between a first mode where the gas burner and the electrical heating element are active and both heat air provided to the heating chamber and in a second mode where the gas burner is inactive and the electrical heating element is active.