US 12,235,052 B1
Heat exchanger bolt assembly
Leon Sanders, Auburn, WA (US)
Filed by Leon Sanders, Auburn, WA (US)
Filed on Sep. 16, 2022, as Appl. No. 17/946,831.
Claims priority of provisional application 63/248,518, filed on Sep. 26, 2021.
Int. Cl. F28F 3/08 (2006.01); F16B 37/06 (2006.01); F16B 37/12 (2006.01); F16B 37/14 (2006.01); F16B 41/00 (2006.01)
CPC F28F 3/083 (2013.01) [F16B 37/061 (2013.01); F16B 37/122 (2013.01); F16B 37/145 (2013.01); F16B 41/002 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An apparatus for compressing a heat exchanger comprising,
a bolt,
a receiver,
wherein the receiver comprises a pipe sleeve configured to conceal the protruding threads of the bolt as it is tightened,
a threaded insert press fit or swaged within an expanded portion of the pipe sleeve,
a keeper washer welded to the expanded portion of the pipe sleeve and extending in a radial direction wherein, the keeper washer overlaps at least a portion of the threaded insert when viewed along the central axis of the pipe sleeve.