Pump arrangement for driving an impeller using an inner rotor which interacts with an outer rotor and the outer rotor having a radially outer circumferential projection

US10385860B2 · kind B2 · utility

Assignee

• KSB Aktiengesellschaft · DE

Inventors

• Patrick Drechsel · Bischofswerda, DE
• Markus Lay · Pegnitz, DE

Key dates

• Filing date: May 19, 2014
• Grant date: Aug 20, 2019
• Expiry date: Apr 24, 2035

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F04D29/628
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A pump arrangement, in particular a magnetic coupling pump arrangement, includes a pump housing having an interior, a split case which hermetically seals a chamber surrounded by the split case from the interior formed by the pump housing, an impeller shaft with an impeller thereon which can be driven in a rotatable manner about a rotational axis, an inner rotor arranged at an end of the impeller shaft opposite the impeller end, an outer rotor which interacts with the inner rotor, and an adapter element which connects the split case to the pump housing or to a component paired with the pump housing, in particular a housing cover. The adapter element includes a mounting flange which rests against a support surface of the pump housing, in particular of the housing cover (4), on a face adjacent to the interior.