US 11,788,432 B2
Turbocharger lubrication system for a two-stroke engine
Derek D. Zimney, Roseau, MN (US); James H. Buchwitz, Roseau, MN (US); Dallas J. Blake, Roseau, MN (US); Alexander M. Hetteen, Roseau, MN (US); Daniel E. Erickson, Labroquerie West (CA); Chad A. Dale, Roseau, MN (US); Darren J. Hedlund, Roseau, MN (US); Derek J. Fitzpatrick, Burnaby (CA); Christopher P. Scremin, Surrey (CA); and Reed A. Hanson, Roseau, MN (US)
Assigned to POLARIS INDUSTRIES INC., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Jan. 9, 2021, as Appl. No. 17/145,313.
Claims priority of provisional application 62/960,388, filed on Jan. 13, 2020.
Prior Publication US 2021/0310374 A1, Oct. 7, 2021
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)] 32 Claims
OG exemplary drawing
 
1. A system comprising:
an oil supply of oil disposed in an oil tank;
an engine oil pump disposed outside the oil tank dedicated to communicating the oil from the oil supply to the engine, said engine oil pump comprising a plurality of ports;
an engine coupled to the plurality of ports, said engine separate from the oil tank;
a turbocharger coupled to the engine; and
a turbocharger oil pump separate from the engine oil pump dedicated to communicating the oil in the oil tank to the turbocharger, said turbocharger oil pump submerged within the oil tank and coupled to the oil supply, said turbocharger oil pump comprising a first port communicating the oil from the oil supply to the turbocharger.