Heating control system for a screed

CAFC
  • US 7,641,419 B1
  • Filed: 09/24/2001
  • Issued: 01/05/2010
  • Est. Priority Date: 09/24/2001
  • Status: Active Grant
First Claim
Patent Images

1. A heating control system for heating a single screed plate selected from among a plurality of screed plates included on a paving machine screed, comprising:

  • a first heating element operatively positioned with respect to the single screed plate;

    a second heating element operatively positioned with respect to the same single screed plate as the first heating element, the first and second heating elements both being configured to appy heat to the single screed plate; and

    a controller configured to selectively energize the first heating element and the second heating element such that there is at least some period of time when heat is applied to the single screed plate from only one of the first heating element and the second heating element.

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