Patent · US Active

Pipe

US8985155B2 · kind B2 · utility

1Cited by

12References

14Claims

0Family size

Assignee

DEUTZ AKTIENGESELLSCHAFT · DE

Inventors

Florian Loschitz · Troisdorf, DE
Martin Klein · Ludwigsburg, DE
Martin Hielscher · Heilbad Heiligenstadt, DE

Key dates

Filing date	Aug 10, 2011
Grant date	Mar 24, 2015
Priority date	—
Expiry date	Sep 9, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49826
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A pipe, in particular in the air supply system of internal combustion engines which are provided, in particular, with an intake system and/or control electronics, is described, wherein the internal pipe and/or the internal pipe surface (1) have/has at least one element (1, 5, 6) which changes the diameter (2) of the internal pipe and/or the cross-sectional area of the internal pipe.

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