Liquid ring pumps and compressors using a ferrofluidic ring liqu

Details Liquid ring pumps and compressors using a ferrofluidic ring liqu Liquid ring pumps and compressors using a ferrofluidic ring liqu

1975-11-10

1977-09-27

Freeh, William L.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

210222, F04C 1900

Patent

active

040508510

ABSTRACT:
Liquid ring compressors and pumps using a ferrofluidic ring liquid are disclosed there being electrical coil means disposed around the compressor or pump casing to induce a field in the ferrofluidic ring liquid causing that liquid to form a rotating ring within the casing to drive the rotor.

REFERENCES:
patent: 1864640 (1932-06-01), Dalrymple
patent: 1973019 (1934-09-01), Shore
patent: 2381700 (1945-08-01), Smith
patent: 2815003 (1957-12-01), Kumm
patent: 3108738 (1963-10-01), Luhmann
patent: 3289918 (1966-12-01), Adams
patent: 3399134 (1968-08-01), Schouw et al.
patent: 3642384 (1972-02-01), Huse
patent: 3871176 (1975-03-01), Schukei

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