Patent · US Active

Ventilating tube and an air conditioning system for a vehicle

US11738621B2 · kind B2 · utility

0Cited by

8References

17Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Ralf Berndt · Ditzingen, DE
Norman Schaake · Bad Rodach, DE

Key dates

Filing date	Sep 23, 2019
Grant date	Aug 29, 2023
Priority date	—
Expiry date	Jan 13, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60H2001/006
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A ventilating tube may include a body through which air is flowable in an air flow direction and a sound attenuating mechanism for attenuating airborne noise. The sound attenuating mechanism may be a wavelength resonator, which may include at least one resonance chamber. On one side, the at least one resonance chamber may have an opening which opens the at least one resonance chamber into the body transversely to the air flow direction.

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