EP 0255336 A2 19880203 - Rotary displacement pump.
Title (en)
Rotary displacement pump.
Title (de)
Rotationsverdrängerpumpe.
Title (fr)
Pompe rotative à déplacement positif.
Publication
Application
Priority
CA 514904 A 19860729
Abstract (en)
A rotary, positive displacement progressing cavity pump comprising a stator (4), a rotor (5) within the stator, an inlet and outlet in the stator and a drive shaft (6) connected to the rotor, the drive shaft-to-rotor connection (12,13) comprising a heat-sensitive, breakaway bond (14) of a heat-fusible metal alloy in an amount to provide a metchanical linkage between the drive shaft and the rotor, the metal alloy being meltable upon the generation of heat within the pump cavity and so disconnect the mechanical linkage.
IPC 1-7
IPC 8 full level
F04C 2/107 (2006.01); F04C 14/28 (2006.01); F04C 15/00 (2006.01)
CPC (source: EP)
F04C 2/1071 (2013.01); F04C 14/28 (2013.01); F04C 15/0076 (2013.01)
Designated contracting state (EPC)
BE CH DE FR IT LI SE
DOCDB simple family (publication)
EP 0255336 A2 19880203; EP 0255336 A3 19880504; AU 7344087 A 19880204; BR 8703824 A 19880329; GB 2193292 A 19880203; GB 2193292 B 19900418; GB 8711687 D0 19870624; JP S6338694 A 19880219; NO 873153 D0 19870728; NO 873153 L 19880201; NZ 220313 A 19880630
DOCDB simple family (application)
EP 87306650 A 19870728; AU 7344087 A 19870527; BR 8703824 A 19870722; GB 8711687 A 19870518; JP 14242587 A 19870609; NO 873153 A 19870728; NZ 22031387 A 19870514