Global Patent Index - EP 0516637 B1

EP 0516637 B1 19940914 - SPIRAL HOUSING MADE OF SHEET STEEL.

Title (en)

SPIRAL HOUSING MADE OF SHEET STEEL.

Title (de)

SPIRALGEHÄUSE IN BLECHBAUWEISE.

Title (fr)

BOITIER HELICOIDAL EN TOLE.

Publication

EP 0516637 B1 19940914

Application

EP 91902958 A 19910201

Priority

  • DE 4005640 A 19900222
  • EP 9100190 W 19910201

Abstract (en)

[origin: WO9113260A1] The invention relates to a spiral housing made of sheet steel parts, whose spiral space is designed as a separate component and is fastened between two pump housing parts located on each side of the impeller.

IPC 1-7

F04D 29/42

IPC 8 full level

F04D 29/42 (2006.01)

CPC (source: EP)

F04D 29/4266 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

WO 9113260 A1 19910905; AT E111567 T1 19940915; CA 2076523 A1 19910823; CN 1023246 C 19931222; CN 1054298 A 19910904; DE 4005640 A1 19910829; DE 59102950 D1 19941020; EP 0516637 A1 19921209; EP 0516637 B1 19940914; ES 2064085 T3 19950116; JP H05504184 A 19930701; JP H0647999 B2 19940622

DOCDB simple family (application)

EP 9100190 W 19910201; AT 91902958 T 19910201; CA 2076523 A 19910201; CN 91101083 A 19910221; DE 4005640 A 19900222; DE 59102950 T 19910201; EP 91902958 A 19910201; ES 91902958 T 19910201; JP 50310091 A 19910201