Reduced wire count heater array block

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United States of America Patent

PATENT NO 9812342
SERIAL NO

14962733

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A thermal system includes a plurality of thermal elements. In one form, each of the thermal elements define a resistor and a current limiting device. The plurality of thermal elements have at least a first subset of parallel thermal elements and at least a second subset of parallel thermal elements. The system also has a plurality of power lines connected to the plurality of thermal elements. The power lines are configured in pairs for providing power to a subset of the plurality of thermal elements that are connected in a parallel set. Each of the pairs of power lines share a common power line with an adjacent parallel set of thermal elements within a subset. Additionally, each of the current limiting devices in the adjacent parallel sets of thermal elements within a subset are opposed. The first and second subsets of parallel thermal elements share the common power line.

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Patent Owner(s)

Patent OwnerAddress
WATLOW ELECTRIC MANUFACTURING COMPANY12001 LACKLAND ROAD ST LOUIS MO 63146

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Steinhauser, Louis P St. Louis, US 64 845
Swanson, Cal T St. Louis, US 16 201

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