US 12,251,724 B2
Independent heated hose
Nicholas P. Peterson, Coon Rapids, MN (US); Stephen P. Schneider, Blaine, MN (US); Mark J. Brudevold, Fridley, MN (US); Matthew R. Smith, Minneapolis, MN (US); and Joseph E. Tix, Hastings, MN (US)
Assigned to Graco Minnesota Inc., Minneapolis, MN (US)
Appl. No. 17/905,217
Filed by Graco Minnesota Inc., Minneapolis, MN (US)
PCT Filed Mar. 18, 2021, PCT No. PCT/US2021/070280
§ 371(c)(1), (2) Date Aug. 29, 2022,
PCT Pub. No. WO2021/189076, PCT Pub. Date Sep. 23, 2021.
Claims priority of provisional application 62/991,376, filed on Mar. 18, 2020.
Prior Publication US 2023/0130562 A1, Apr. 27, 2023
Int. Cl. B05B 7/16 (2006.01); B05B 7/22 (2006.01); B05B 7/26 (2006.01); F16L 53/38 (2018.01); H05B 1/02 (2006.01); H05B 3/58 (2006.01)
CPC B05B 7/1693 (2013.01) [B05B 7/22 (2013.01); B05B 7/26 (2013.01); F16L 53/38 (2018.01); H05B 1/0244 (2013.01); H05B 3/58 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A plural component dispensing system configured to mix a first fluid component and a second fluid component into an activated plural component, the plural component dispensing system comprising:
a first fluid source containing the first fluid component;
a second fluid source containing the second fluid component;
a proportioner fluidly coupled to the first fluid source and the second fluid source;
an applicator including a mixer disposed remote from the first fluid source, the second fluid source, and the proportioner;
a first heated hose fluidly coupling the proportioner to the applicator;
a second heated hose fluidly coupling the proportioner to the applicator; and
a controller electrically coupled to the first heated hose and the second heated hose, wherein the controller is configured to independently supply an electric current to the first heated hose and independently supply an electric current to the second heated hose;
wherein:
the controller is configured to regulate an amount of electrical energy provided to the first heated hose and the second heated hose by controlling the electric current to the first heated hose and the electric current to the second heated hose from a power source; and
the controller is configured to alternate providing the electric current to the first heated hose and the electric current to the second heated hose, such that one of the first heated hose and the second heated hose is depowered while the other one of the first heated hose and the second heated hose is powered.