US 12,071,857 B2
Turbocharger lubrication system for a two-stroke engine
Darren J. Hedlund, Roseau, MN (US); Alexander M. Hetteen, Roseau, MN (US); and James H. Buchwitz, Roseau, MN (US)
Assigned to Polaris Industries Inc., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Jul. 24, 2023, as Appl. No. 18/225,282.
Application 18/225,282 is a division of application No. 17/145,313, filed on Jan. 9, 2021, granted, now 11,788,432.
Claims priority of provisional application 62/960,388, filed on Jan. 13, 2020.
Prior Publication US 2023/0366331 A1, Nov. 16, 2023
Int. Cl. F01D 25/20 (2006.01); F01D 25/16 (2006.01); F01D 25/24 (2006.01); F01D 25/28 (2006.01); F02C 6/12 (2006.01)
CPC F01D 25/20 (2013.01) [F01D 25/162 (2013.01); F01D 25/243 (2013.01); F01D 25/28 (2013.01); F02C 6/12 (2013.01); F05D 2220/40 (2013.01); F05D 2240/50 (2013.01); F05D 2260/231 (2013.01); F05D 2260/31 (2013.01); F05D 2260/606 (2013.01); F05D 2260/98 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A system comprising:
a turbocharger comprising a turbine housing with a turbine impeller portion and diffuser; and
a muffler comprising an outer wall comprising a first end wall, said outer wall and first end wall delineating inside and outside the muffler, said diffuser comprising a conical wall extending within the inside of the muffler and outside of the muffler, said conical wall having a first end outside the muffler and a second end inside the muffler.