1
Russell Hughes Norris: Devices and methods for reducing noise in a blower housing. Koninklijke Philips, September 19, 2017: US09765796

Devices and methods for reducing noise of a blower reduce and/or substantially block the exchange of gas within the blower housing from an area of a generally high-velocity flow of gas to an area of a comparatively lower-velocity flow of gas, for example near the outlet of the blower housing.


2
NORRIS Russell Hughes: [fr] DISPOSITIFS ET MÉTHODES DE RÉDUCTION DU BRUIT DANS UNE ENVELOPPE DE SOUFFLANTE, [en] DEVICES AND METHODS FOR REDUCING NOISE IN A BLOWER HOUSING. KONINKLIJKE PHILIPS, VAN VELZEN Maaike M, May 23, 2013: WO/2013/072846

[en] Devices and methods for reducing noise of a blower reduce and/or substantially block the exchange of gas within the blower housing from an area of a generally high-velocity flow of gas to an area of a comparatively lower-velocity flow of gas, for example near the outlet of the blower housing.


3
DEVICES AND METHODS FOR REDUCING NOISE IN A BLOWER HOUSING. October 23, 2014: US20140314544-A1

Devices and methods for reducing noise of a blower reduce and/or substantially block the exchange of gas within the blower housing from an area of a generally high-velocity flow of gas to an area of a comparatively lower-velocity flow of gas, for example near the outlet of the blower housing.