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Current content: 159 361 214 patent documents

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149 148 new documents added

988 023 documents amended

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EP 0192621 B1 19901024 - A SEAL DEVICE

Title (en)

A SEAL DEVICE

Publication

EP 0192621 B1 19901024 (EN)

Application

EP 86850033 A 19860204

Priority

SE 8500691 A 19850214

Abstract (en)

[origin: EP0192621A1] The invention concerns a seal device for preventing leakage between an impeller and its surrounding housing. According to the invention the impeller (1) and the housing (2) are provided with one seal ring each (3) and (4) resp, which together form a mechanical seal device. At least one of the rings (3) is attached by help of an O-ring (5) in a slot (6).

IPC 1-7

F04D 29/16

IPC 8 full level

F04D 7/04 (2006.01); F04D 29/16 (2006.01)

CPC (source: EP)

F04D 29/167 (2013.01)

Citation (examination)

US 4018544 A 19770419 - EBERHARDT H ALFRED

Designated contracting state (EPC)

DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0192621 A1 19860827; EP 0192621 B1 19901024; AU 5292086 A 19860821; AU 593534 B2 19900215; DE 3675032 D1 19901129; JP H0217719 B2 19900423; JP S61192896 A 19860827; SE 459755 B 19890731; SE 8500691 D0 19850214; SE 8500691 L 19860815

DOCDB simple family (application)

EP 86850033 A 19860204; AU 5292086 A 19860203; DE 3675032 T 19860204; JP 2918786 A 19860214; SE 8500691 A 19850214