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Current content: 156 978 933 patent documents

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169 914 new documents added

2 331 667 documents amended

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EP 0179311 B1 19881228 - LIQUID-RING COMPRESSOR

Title (en)

LIQUID-RING COMPRESSOR

Publication

EP 0179311 B1 19881228 (DE)

Application

EP 85112413 A 19851001

Priority

DE 3436022 A 19841001

Abstract (en)

[origin: US4634348A] In a liquid ring compressor, the erosion and cavitation damage occurring under certain operating conditions is avoided by adding air or gas from the outside, at a pressure which approximately corresponds to the compression pressure, into particular pressure slot areas.

IPC 1-7

F04C 19/00; F04C 29/08

IPC 8 full level

F04C 19/00 (2006.01); F04C 29/12 (2006.01)

CPC (source: EP US)

F04C 19/005 (2013.01 - EP US); F04C 29/122 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0179311 A1 19860430; EP 0179311 B1 19881228; AT E39549 T1 19890115; DE 3436022 A1 19860403; DE 3567066 D1 19890202; HK 2790 A 19900119; SG 37489 G 19900126; US 4634348 A 19870106

DOCDB simple family (application)

EP 85112413 A 19851001; AT 85112413 T 19851001; DE 3436022 A 19841001; DE 3567066 T 19851001; HK 2790 A 19900111; SG 37489 A 19890614; US 78220285 A 19850930