Patent · US Active

Crankcase for a reciprocating piston engine, in particular of a motor vehicle

US10989139B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Christian Bieg · Aalen, DE
Jochen Haefner · Lorch, DE
Gerold Lehmler · Tauberbischofsheim, DE
Marko Possberg · Deizisau, DE
Robert Behr · Wernau, DE
Rainer Joos · Weingarten, DE
Daniel Reckinger · Stuttgart, DE
Bernd Schietinger · Eßlingen, DE

Key dates

Filing date	Dec 16, 2016
Grant date	Apr 27, 2021
Priority date	—
Expiry date	Dec 16, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02F2200/06
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A crankcase for a reciprocating piston engine, in particular of a motor vehicle, includes at least first one wall region that has a greater wall thickness than at least one second wall region of the crankcase that adjoins the first wall region. The crankcase is produced from an aluminum alloy and by at least mainly laminar die casting and is heat-treated completely or heat-treated completely and additionally locally or heat-treated only locally.

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