Patent · US Active

Turbocharger with friction-increasing coating

US9631634B2 · kind B2 · utility

0Cited by

17References

13Claims

0Family size

Assignee

BOSCH MAHLE TURBO SYSTEMS GMBH & GO. KG · DE

Inventors

Guido Daimer · Kornwestheim, DE
Stefan Muenz · Ludwigshafen, DE

Key dates

Filing date	Oct 23, 2009
Grant date	Apr 25, 2017
Priority date	—
Expiry date	Apr 16, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2300/611
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The turbocharger according to the invention has a rotor with a compressor wheel as well as a turbine wheel that is connected in a rotationally-fixed manner to the compressor wheel by means of a common shaft. The compressor wheel and the shaft are form-fittingly tensioned with one another, wherein respectively at least one or two torque-transmitting contact surfaces, which lie one atop the other, between components force-fittingly tensioned with one another, is provided with a friction-increasing coating.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.