US 12,084,980 B1
Air turbine starter with containment assembly
Nagendra Baddam, Bengaluru (IN); Sharad Pundlik Patil, Bengaluru (IN); Shiloh Montegomery Meyers, Miamisburg, OH (US); Dattu Gv Jonnalagadda, Bengaluru (IN); and Merin Sebastian, Bengaluru (IN)
Assigned to Unison Industries, LLC, Jacksonville, FL (US)
Filed by Unison Industries, LLC, Jacksonville, FL (US)
Filed on May 18, 2023, as Appl. No. 18/319,868.
Int. Cl. F01D 25/24 (2006.01); F01D 19/00 (2006.01); B33Y 80/00 (2015.01)
CPC F01D 19/00 (2013.01) [F01D 25/24 (2013.01); B33Y 80/00 (2014.12); F05D 2240/14 (2013.01); F05D 2300/175 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An air turbine starter comprising:
a housing defining an interior, wherein the housing includes a primary inlet and a primary outlet to define a primary air flow path from the primary inlet to the primary outlet;
a rotatable turbine member comprising a plurality of circumferentially spaced blades extending into the primary air flow path; and
a containment assembly located in the interior and circumscribing at least a portion of the plurality of circumferentially spaced blades, the containment assembly comprising:
a hollow tube coupled to the housing and comprising a first material, wherein the hollow tube includes an exterior surface and an interior surface spaced from the exterior surface;
a laminate comprising a second material different from the first material, wherein the laminate is applied to a radially inner side of the exterior surface of the hollow tube; and
a plurality of protrusions defining a plurality of recesses, wherein the recesses are fluidly coupled with the interior.