Rotary feeder with improved seal arrangement between the lateral rotor disk and the pertaining bearing cover

US5201441A · kind A · utility

Assignee

• Waeschle Maschinenfabrik GmbH · DE

Inventors

• Hans Hoppe · Weingarten, DE
• Walter Beirle · Ravensburg, DE
• Rudolf Fühl · Weingarten, DE

Key dates

• Filing date: Jul 1, 1991
• Grant date: Apr 13, 1993
• Expiry date: Jul 1, 2011

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65G53/4633
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

In a rotary feeder of the type including a housing provided with a top inlet and a bottom outlet and accommodating a cellular rotor which includes a plurality of radial blades supported on a horizontal shaft and axially defined by respective lateral disks which are spaced from pertaining bearing covers, a seal arrangement is provided between each lateral disk and pertaining bearing cover of the housing and includes a plastic filler ring which is floatingly arranged between the bearing cover and the disk and is spring-loaded in axial and radial direction.