Heating system control

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United States of America Patent

PATENT NO 9868299
SERIAL NO

15119963

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Abstract

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In one example, a heating system includes a first heater having a first resistive heating element, a second heater having multiple second resistive heating elements arranged in parallel with a group of the second heating elements having a combined resistance equal to a resistance of the first heating element, and a controller to periodically switch power between the first heating element and the group of second heating elements at a zero crossing of an AC power source.

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE SPRING TX 77389

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bastardas, Puigoriol Roger Barcelona, ES 8 20
Perez, Gellida Francisco Javier Barcelona, ES 21 43
Sanz, Ananos Santiago Barcelona, ES 12 36
Valero, Navazo Juan Manuel Sant Feliu de Llobregat, ES 12 15
Zuza, Irurueta Mikel Barcelona, ES 14 100

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