IP Library › Granted Patent US 12,071,857
Granted Patent B2
US 12,071,857 · App. 18/225,282 · Granted Aug 27, 2024

Turbocharger lubrication system for a two-stroke engine

Inventors: Darren J. Hedlund (Roseau, MN); Alexander M. Hetteen (Roseau, MN); James H. Buchwitz (Roseau, MN)
Assignee: Polaris Industries Inc.
F01D25/20F01D25/162F01D25/243F01D25/28F02C6/12F05D2220/40F05D2240/50F05D2260/231F05D2260/31F05D2260/606F05D2260/98
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Quick Facts
Patent No.
US 12,071,857
App. No.
18/225,282
Granted
Aug 27, 2024
Kind
B2
Abstract

A system for a vehicle has an oil supply, an engine oil pump comprising a plurality of ports and an engine coupled to the plurality of ports. A turbocharger is coupled to the engine. A turbocharger oil pump is coupled to the oil supply comprising a first port coupled to the turbocharger.

Claims (8)

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.

2. The system of claim 1 wherein the first end comprising first diameter, said second end comprising a second diameter greater than the first diameter.

3. The system of claim 1 wherein the second end is disposed within and spaced apart from the muffler.

4. The system of claim 3 wherein the conical wall is fixedly coupled to the first wall between the first end and the second end.

5. The system of claim 1 wherein the first end comprises a first flange and wherein the turbine housing comprises a second flange, said first flange coupled to the second flange by a coupler.

6. The system of claim 5 wherein the first wall is planar and the conical wall comprises a longitudinal axis normal to the first wall.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 25, 2024
From: HEDLUND, DARREN J.; HETTEEN, ALEXANDER M.; BUCHWITZ, JAMES H.
To: POLARIS INDUSTRIES INC.
Reel/Frame 067226/0273 →
Continuity (3)
Division 17145313 · Jan 9, 2021
Provisional Application 62960388 · Jan 13, 2020
Related Publication 20230366331A1 · Nov 16, 2023
Cited By (1)
US 12,510,013