Patent · US Active

Quiet active fan for servers chassis

US7869607B2 · kind B2 · utility

8Cited by

13References

29Claims

0Family size

Assignee

SILENTIUM LTD. · IL

Inventors

Yossi Barath · Herzliya, IL
Micahel Surov · Nes Ziona, IL
Alon Slapak · Mazor, IL
Itai Michael Itnati · Ramat Gan, IL

Key dates

Filing date	Nov 30, 2006
Grant date	Jan 11, 2011
Priority date	—
Expiry date	Feb 19, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG10K2210/11
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

An Active Muffler in the form of a duct having two open ends for conveying air from a within a cabinet to outside the cabinet. A fan or blower is incorporated in the duct. An Automatic Noise Control (ANC) unit is associated with the duct, and at least one microphone and at least one speaker are incorporated in to the duct for noise-reduction. An outer portion of the duct may be sound-absorbing material. the ANC unit may cause noise to be shifted to a frequency that can be absorbed by the sound-absorbing material.

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