EP 0380050 A3 19910220 - STATOR ARRANGEMENT FOR ECCENTRIC SPIRAL PUMPS
Title (en)
STATOR ARRANGEMENT FOR ECCENTRIC SPIRAL PUMPS
Publication
Application
Priority
HU 25189 A 19890123
Abstract (en)
[origin: EP0380050A2] The invention relates to an arrangement of the stator of eccentric spiral pumps whose material is an elastomer and whose inner face has a thread profile with two or more bevels. The external circumferential surface of the stator is a polygon surface and the stator is enclosed by a metal sleeve, the inner circumferential surface of which is adapted to the external circumferential surface of the stator and which is broken by at least one slit. <IMAGE>
IPC 1-7
IPC 8 full level
F04C 2/107 (2006.01)
CPC (source: EP)
F04C 2/1075 (2013.01)
Citation (search report)
- [A] DE 2930068 A1 19810319 - GANZ KURT JOACHIM
- [A] EP 0292594 A1 19881130 - FOREG AG [CH]
- [A] DE 2937403 A1 19810402 - GUMMI JAEGER KG GMBH & CIE
- [A] DE 1163148 B 19640213 - SEEBERGER K G MASCHINEN & GERA
Designated contracting state (EPC)
AT DE FR GB IT
DOCDB simple family (publication)
EP 0380050 A2 19900801; EP 0380050 A3 19910220; CS 23090 A2 19910813; DD 294067 A5 19910919; HU 204116 B 19911128; HU T53197 A 19900928
DOCDB simple family (application)
EP 90101298 A 19900123; CS 23090 A 19900117; DD 33724690 A 19900122; HU 25189 A 19890123