Stuffing box sealing arrangement

US4765631A · kind A · utility

Assignee

• Krupp Koppers GmbH · DE

Inventors

• Klaus Kohnen · Mülheim, DE
• Adolf Linke · Essen, DE
• Hans Niermann · Essen, DE

Key dates

• Filing date: Feb 13, 1986
• Grant date: Aug 23, 1988
• Expiry date: Feb 13, 2006

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16J15/162
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A stuffing box sealing arrangement for sealing a rotary shaft which extends into a pressure space includes two separate consecutive pressure chambers arranged at axially spaced locations along the shaft and an intervening space sealed with respect to the exterior of the arrangement and the pressure space and arranged between the pressure chambers. A plurality of stuffing sealing rings is accommodated in each of the pressure chambers and two glands are provided each being arranged around the shaft at one of the locations in registry with the respective associated plurality of stuffing sealing rings. Each of the glands is independently pressed against the respective associated plurality of stuffing sealing rings, and lubrication water is supplied into the intervening space to continuously lubricate both pluralities of stuffing sealing rings.