US 10,889,945 B2
Emulsion heating control for a paving machine
Chad M. Thiesse, Brooklyn Park, MN (US); and Toby A. Frelich, Saint Michael, MN (US)
Assigned to Caterpillar Paving Products Inc., Brooklyn Park, MN (US)
Filed by Caterpillar Paving Products Inc., Brooklyn Park, MN (US)
Filed on Oct. 10, 2018, as Appl. No. 16/156,652.
Prior Publication US 2020/0115861 A1, Apr. 16, 2020
Int. Cl. E01C 19/48 (2006.01); E01C 19/21 (2006.01)
CPC E01C 19/4873 (2013.01) [E01C 19/21 (2013.01); E01C 2301/10 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A paving machine, comprising:
an engine;
a material conveying system;
a screed system including a plurality of screed heaters;
an emulsion sprayer system, the emulsion sprayer system including
an emulsion tank, and
one or more emulsion heaters
an engine load sensing system; and
a control system configured to:
receive information from the engine load sensing system to determine a load on the engine the received information includes a number of the plurality of screed heaters that are active and a number of the one or more emulsion heaters that are active, and
limit the operation of the one or more emulsion heaters or the number of the plurality of screed heaters that are active when the received information indicates the load on the engine is above a value.