US 9,814,102 B2
Rotary switch with improved simmer performance
Leopoldo H. Franca, Joinville (BR); Foad M. Kesheh, Joinville (BR); and Moacyr C. Possan, Jr., Joinville (BR)
Assigned to Whirlpool Corporation, Benton Harbor, MI (US)
Filed by Leopoldo H. Franca, Joinville (BR); Foad M. Kesheh, Joinville (BR); and Moacyr C. Possan, Jr., Joinville (BR)
Filed on Sep. 13, 2012, as Appl. No. 13/614,180.
Application 13/614,180 is a division of application No. 12/643,001, filed on Dec. 21, 2009, granted, now 8,344,292, issued on Jan. 1, 2013.
Prior Publication US 2013/0001214 A1, Jan. 3, 2013
Int. Cl. H01R 13/713 (2006.01); H01R 33/72 (2006.01); H05B 3/68 (2006.01); H05B 1/02 (2006.01)
CPC H05B 3/68 (2013.01) [H05B 1/0266 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method of operating a cooking appliance, comprising:
providing a cooktop having a plurality of separately controlled cooking areas;
positioning at least a first heating element and a second heating element below at least one of the plurality of separately controlled cooking areas;
coupling an infinite control switch electrically to the first and second heating elements, wherein the infinite control switch is operable to selectively energize simultaneously the first heating element with single-phase AC power and the second heating element with two-phase AC power;
selectively energizing only the first heating element with single-phase AC power to supply heat to the separately controlled cooking area; and
selectively energizing, simultaneously, both the first heating element with single-phase AC power and a second heating element with two-phase AC power to supply heat to the separately controlled cooking area.