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Patent Searching and Data


Title:
LIQUID-RING VACUUM PUMP AND IMPELLER THEREFOR
Document Type and Number:
WIPO Patent Application WO/2013/076107
Kind Code:
A3
Abstract:
A liquid-ring vacuum pump comprises a pump casing (20) and an impeller (14) that is eccentrically mounted in the pump casing (20). According to the invention, the impeller (14) is made of a material having a modulus of elasticity of less than 4000 N/mm2. The invention further relates to an impeller (14) for such a pump.

Inventors:
KÖSTERS, Heiner (Buschweg 3, Itzehoe, 25524, DE)
TAMM, Matthias (Am Paradies 16, Itzehoe, 25524, DE)
SCHÜTZE, Daniel (Danziger Strasse 31, Itzehoe, 25524, DE)
Application Number:
EP2012/073150
Publication Date:
May 30, 2013
Filing Date:
November 21, 2012
Export Citation:
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Assignee:
STERLING INDUSTRY CONSULT GMBH (Lindenstraße 170, Itzehoe, 25524, DE)
International Classes:
F01C21/08; F04C19/00
Foreign References:
CN201650734U2010-11-24
DE19653746A11998-06-25
DE942107C1956-04-26
Other References:
FARAGALLAH W H: "Liquid ring vacuum pumps and compressors", 1 January 1985, BELTZ OFFSETDRUCK, pages: 187 - 187, XP002674880
NAUERZ F ET AL: "AUSLEGUNG UND BETRIEB VON FLUSSIGKEITSRING-VAKUUMPUMPEN", CHEMIETECHNIK, HUTHIG, HEIDELBERG, DE, vol. 24, no. 1, 1 January 1995 (1995-01-01), pages 58/59, XP000489722, ISSN: 0340-9961
Attorney, Agent or Firm:
GLAWE DELFS MOLL (Rothenbaumchaussee 58, Hamburg, 20148, DE)
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