1
Russell Hughes Norris: Labyrinth seal system. SAE Magnetics, Chernoff Vilhauer McClung & Stenzel, July 20, 1999: US05925955 (14 worldwide citation)

A labyrinth seal system of the present invention is found in a motor having a ball bearing ring, a shaft, and a labyrinth seal washer. The ball bearing ring has an inner bearing ring with an inner ring surface. In one embodiment the labyrinth seal system includes a shaft having a first shaft portion ...


2
Russell Hughes Norris: Labyrinth seal system. Synektron Corporation, Chernoff Vilhauer McClung & Stenzel, February 3, 1998: US05714817 (6 worldwide citation)

A labyrinth seal system of the present invention is found in a motor having a ball bearing ring, a shaft, and a labyrinth seal washer. The ball bearing ring has an inner bearing ring with an inner ring surface. In one embodiment the labyrinth seal system includes a shaft having a first shaft portion ...


3
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.