US 12,234,758 B1
Exhaust assembly temperature regulation for shutdown
Dongming Tan, Eastvale, CA (US); Bradley Hodges, Keller, TX (US); Albert Yueh-Chang Lee, Edwards, IL (US); Joseph Lee Kennedy, Peoria, IL (US); Zheng Zhang, Dunlap, IL (US); and Scott A Snoble, West Lafayette, IN (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Feb. 6, 2024, as Appl. No. 18/434,599.
Int. Cl. F01N 13/10 (2010.01); F01N 3/04 (2006.01); F01P 3/20 (2006.01); F01P 11/02 (2006.01); F02B 39/00 (2006.01); F02B 39/14 (2006.01); F01P 3/00 (2006.01)
CPC F01N 3/046 (2013.01) [F01P 3/20 (2013.01); F01P 11/029 (2013.01); F02B 39/005 (2013.01); F02B 39/14 (2013.01); F01N 13/10 (2013.01); F01P 2003/006 (2013.01); F01P 2060/12 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A liquid cooled component comprising
a conduit configured to receive an exhaust gas and convey the exhaust gas from a source to a destination along at least an axis;
a liquid passage oriented about the axis radially outward of the conduit, the liquid passage including an inner shell and an outer shell that enclose a coolant volume;
an expansion reservoir fluidly coupled with the liquid passage via a first conduit, wherein the first conduit:
has a first diameter greater than three-quarters of an inch; and
has a positive slope with respect to gravity along an entire length of the first conduit from the liquid passage to the expansion reservoir; and
a coolant reservoir fluidly coupled with the expansion reservoir via a second conduit having a second diameter and a controllable valve configured to maintain a coolant level within the expansion tank within a predetermined range.