US 12,222,173 B2
Heat-exchanger pins
Jaroslaw Rubalewski, Kwidzyn (PL); Hubert Siudzinski, Wroclaw (PL); and Tomasz Meczkowski, Kielczow (PL)
Assigned to HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Mar. 25, 2022, as Appl. No. 17/704,054.
Claims priority of application No. 21461527 (EP), filed on Mar. 26, 2021.
Prior Publication US 2022/0307776 A1, Sep. 29, 2022
Int. Cl. F28F 3/02 (2006.01); B22F 10/28 (2021.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01)
CPC F28F 3/022 (2013.01) [B22F 10/28 (2021.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); F28F 2215/10 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A pin for a heat exchanger, the pin comprising:
a monolithic top section;
a monolithic bottom section; and
a middle section comprising a plurality of spaced apart sub-pins extending between the top section and the bottom section, wherein the plurality of sub-pins define one or more windows for allowing fluid flow through the middle section;
wherein the plurality of sub-pins consists of three sub-pins, wherein the three sub pins are arranged to define the vertices of an equilateral triangle, a scalene triangle, or an isosceles triangle.