US 12,372,232 B2
Burners and additive manufacturing methods
Aniruddha A. Upadhye, St. Paul, MN (US); Mark A. Strobel, Maplewood, MN (US); Elizaveta Y. Plotnikov, Woodbury, MN (US); and Luke E. Heinzen, Shoreview, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed on Jan. 3, 2024, as Appl. No. 18/402,823.
Application 18/402,823 is a continuation of application No. 17/309,293, granted, now 11,898,748, previously published as PCT/IB2019/061306, filed on Dec. 23, 2019.
Claims priority of provisional application 62/784,979, filed on Dec. 26, 2018.
Prior Publication US 2024/0133547 A1, Apr. 25, 2024
Int. Cl. B22F 10/25 (2021.01); B22F 10/85 (2021.01); F23D 14/02 (2006.01); F23D 14/56 (2006.01)
CPC F23D 14/02 (2013.01) [B22F 10/25 (2021.01); B22F 10/85 (2021.01); F23D 14/56 (2013.01); F23D 2213/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A burner comprising:
a) burner body comprising:
1) a plurality of passageways;
2) a first major surface;
3) a plurality of ports at the first major surface, each port defined by an end of one of the passageways; and
4) at least one heating element in or adjacent to at least one of the plurality of passageways that increases the temperature of a wall of the at least one of the plurality of passageways, wherein the at least one heating element comprises a heating fluid, wherein the at least one heating element further comprises a structure that increases heat transfer, wherein the structure that increases heat transfer comprises individual posts;
wherein the burner body comprises a plurality of layers of metal directly bonded to each other; and
b) at least one connector configured to supply at least a fuel and an oxidizer to the burner body.