Eccentric screw pump equipped with erosion-resistant rotor

Details Eccentric screw pump equipped with erosion-resistant rotor Eccentric screw pump equipped with erosion-resistant rotor

2011-03-22

2011-03-22

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Unlike helical surfaces on relatively wobbling rotating...

C418S001000, C418S179000, C029S888023, C029S447000

Reexamination Certificate

active

07909591

ABSTRACT:
An eccentric screw pump or an eccentric screw motor has a rotor formed from at least a tubular jacket with at least two layers. The outer layer of the jacket consists of a material that is abrasion-resistant and/or corrosion-resistant.

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patent: 2918602 (1980-11-01), None
patent: 2918602 (1980-11-01), None
patent: 19852380 (2000-05-01), None

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