# US 2014/0193244 A1 · Bearing housing of an exhaust-gas turbocharger

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- Number: US 2014/0193244 A1
- Document ID: US20140193244A1
- Status: Published application
- Kind: A1
- Application number: 14/237,365
- Filed: 2012-08-06
- Published: 2014-07-10
- Earliest claimed: 2011-08-16
- Assignees: BorgWarner Inc.
- Inventors: Thomas Koerner; Lothar Koenig; William Passemard
- Web page: https://patentgrep.com/patent/US20140193244A1

## CPC

- F01D 25/16: Arrangement of bearings; Supporting or mounting bearings in casings (bearings per se F16C)
- F01D 25/186: {for sliding contact bearing}
- F02B 39/14: Lubrication of pumps; Safety measures therefor
- F01M 5/021: {by heating}
- F05D 2220/40: in turbochargers
- F05D 2240/53: Hydrodynamic or hydrostatic bearings
- F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D)
- F02B: INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G)
- F01M: LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS

## Abstract

A bearing housing (1) of an exhaust-gas turbocharger (2) having an oil inlet (3) which is connected to a connecting region (4) of an oil supply line (5), The connecting region (4) of the oil supply line (5) is in the form of a siphon (6).

## Claims

### Claim 1

A bearing housing (1) of an exhaust-gas turbocharger (2) having
an oil inlet (3) which is connected to a connecting region (4) of an oil supply line (5),
wherein
the connecting region (4) of the oil supply line (5) is in the form of a siphon (6).

### Claim 2 (depends on 1)

The bearing housing as claimed in claim 1, wherein the oil supply line (5) and the siphon (6) are provided with an encapsulation (7).

### Claim 3 (depends on 1)

The bearing housing as claimed in claim 1, wherein the oil supply line (5) and the siphon (6) are shielded by heat shields (8, 9).

### Claim 4 (depends on 1)

The bearing housing as claimed in claim 1, wherein the siphon (6) is provided with a heating device (10).

### Claim 5 (depends on 4)

The bearing housing as claimed in claim 4, wherein the heating device (10) is in the form of a heating coil which is laid around the siphon (6).

### Claim 6 (depends on 4)

The bearing housing as claimed in claim 4, wherein the heating device (10) is integrated in the siphon (6).