# US 8,783,954 B2 · Sliding bearing shell comprising a collecting groove

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- Number: US 8,783,954 B2
- Document ID: US8783954B2
- Status: Granted
- Kind: B2
- Application number: 14/004,505
- Filed: 2012-02-16
- Published: 2013-12-26
- Granted: 2014-07-22
- Earliest claimed: 2011-03-11
- Assignees: Federal-Mogul Wiesbaden GmbH
- Applicants: Thierry Garnier
- Inventors: Thierry Garnier
- Web page: https://patentgrep.com/patent/US8783954B2

## CPC

- F16C 33/02: Parts of sliding-contact bearings
- F16C 9/02: Crankshaft bearings
- F16C 33/046: {divided or split, e.g. half-bearings or rolled sleeves}
- F16C 33/1065: {Grooves on a bearing surface for distributing or collecting the liquid}
- F16C 9/00: Bearings for crankshafts or connecting-rods; Attachment of connecting-rods (lubrication of connecting-rods in connection with crankshafts F16C3/14; connections to crossheads F16C5/00; to pistons F16J1/14)
- F16C 17/022: {with a pair of essentially semicircular bearing sleeves}
- F16C 2240/42: Groove sizes
- F16C 2360/22: Internal combustion engines
- F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS

## Abstract

The present invention relates to a sliding bearing shell comprising an oil bore (16) which radially penetrates the sliding bearing shell for introducing oil in the sliding bearing shell, wherein one or more collecting grooves (18), which extend on the inner side (14) of the sliding bearing shell (10) in the circumferential direction, are provided for collecting the oil present in the sliding bearing shell, the grooves being surrounded completely and all the way around by a supporting surface (20).

## Claims

### Claim 1

A plain bearing shell in form of half shell which covers an angle of about 180° with an oil bore that passes radially through the plain bearing shell to insert oil into the plain bearing shell, including at least one collector groove which extends on the inside of the plain bearing shell in a circumferential direction for collecting oil located in the plain bearing shell, which is closed and completely surrounded on all sides by a load-bearing surface, and including a distributor groove extending on the inside of the plain bearing shell primarily in the circumferential direction of the plain bearing shell for distributing the inserted oil inside the plain bearing shell, whereby the oil bore leads into the distributor groove.

### Claim 2 (depends on 1)

The plain bearing shell according to claim 1, wherein the distributor groove ends in the circumferential direction with a first distance (A1) in front of a first circumferential end of the plain bearing shell.

### Claim 3 (depends on 2)

The plain bearing shell according to claim 2, wherein the collector groove ends in the circumferential direction with a second distance (A2) in front of a second circumferential end of the plain bearing shell.

### Claim 4 (depends on 1)

The plain bearing shell according to claim 1, wherein both the distributor groove with a first angular dimension (α) between 50° and 100° and the collector groove with a second angular dimension (β) between 40° and 80° extend in the circumferential direction.

### Claim 5 (depends on 1)

The plain bearing shell according to claim 1, wherein the distributor groove and the collector groove are substantially of the same length.

### Claim 6 (depends on 1)

The plain bearing shell according to claim 1, wherein the distributor groove and the collector groove each have a length-to-width ratio of 10:1 to 40:1.

### Claim 7 (depends on 1)

The plain bearing shell according to claim 1, wherein the distributor groove and the collector groove each have a width-to depth ratio of 10:1 to 40:1.

### Claim 8 (depends on 1)

The plain bearing shell according to claim 1, wherein the at least one collector groove merges with a first radius (r1) in the circumferential direction into the load-bearing surface and/or into a groove base.

### Claim 9 (depends on 8)

The plain bearing shell according to claim 8, wherein the at least one collector groove has in the circumferential direction a substantially circular segment-shaped profile course at the groove base with a second radius (r2).

### Claim 10 (depends on 8)

The plain bearing shell according to claim 8, wherein at least the collector groove merges perpendicular to the circumferential direction with a third radius (r3) into the load-bearing surface.

### Claim 11 (depends on 1)

The plain bearing shell according to claim 1, wherein the distributor groove and the collector groove have the same profile courses in circumferential direction and/or perpendicular to the circumferential direction.