US 11,682,947 B2
Method and apparatus for cooling a rotor assembly
Anirban Chatterjee, Bangalore (IN); Mamatha Ramakrishnaiah, Bangalore (IN); Samir Dey, Mason, OH (US); Mohammad Khaja Mohiddin Shaik, Bangalore (IN); Balamurugan Sridharan, Bangalore (IN); Rajendra Vishwanath Pawar, Bangalore (IN); and Xiaochuan Jia, Centerville, OH (US)
Assigned to GE Aviation Systems LLC, Grand Rapids, MI (US)
Filed by GE AVIATION SYSTEMS LLC, Grand Rapids, MI (US)
Filed on Jan. 27, 2021, as Appl. No. 17/159,657.
Application 17/159,657 is a continuation of application No. 16/144,309, filed on Sep. 27, 2018, granted, now 10,931,171.
Prior Publication US 2021/0249933 A1, Aug. 12, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H02K 9/193 (2006.01); B64D 33/08 (2006.01); F01D 15/10 (2006.01); H02K 7/18 (2006.01); H02K 9/19 (2006.01); H02K 1/32 (2006.01); H02K 3/24 (2006.01)
CPC H02K 9/193 (2013.01) [B64D 33/08 (2013.01); F01D 15/10 (2013.01); H02K 1/32 (2013.01); H02K 3/24 (2013.01); H02K 7/1823 (2013.01); H02K 9/19 (2013.01); F05D 2220/76 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An end support for a rotor assembly, comprising:
a bottom bracket support configured to at least partially, underlie an end turn of a set of rotor windings, relative to a rotational axis of the rotor assembly, and defining a first cavity underlying the end turn;
a top bracket support configured to at least partially, overlie the end turn, and defining a second cavity overlying the end turn, the top bracket support defining a collection surface; and
passages extending radially through the end turn and fluidly coupling the first cavity and the second cavity;
wherein the bottom bracket support and top bracket support are coupled such that coolant received by the first cavity is radially expelled through the passages in the end turn into the second cavity, where the coolant is collected and redirected by the collection surface.