Compact eccentric screw pump

Details Compact eccentric screw pump Compact eccentric screw pump

2007-06-15

2008-12-16

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Unlike helical surfaces on relatively wobbling rotating...

C418S182000, C403S300000, C403S313000, C403S331000, C403S381000

Reexamination Certificate

active

07465157

ABSTRACT:
The invention relates to a compact eccentric screw pump including a sliding articulation. The long-lasting operation of the pump is ensured by a plurality of functions. According to the invention, both the reaction pressure resulting from the transport pressure and the concomitant phenomena emerging from the eccentrically rotating rotor and acting on the articulation and the drive are approximately equalized.

REFERENCES:
patent: 2545604 (1951-03-01), Byram
patent: 3307486 (1967-03-01), Lindberg
patent: 3600113 (1971-08-01), Pahl et al.
patent: 4907906 (1990-03-01), Hantschk
patent: 6358027 (2002-03-01), Lane
patent: 2002/0192093 (2002-12-01), Gantenhammer
patent: 20 57 860 (1972-06-01), None
patent: 2738945 (1979-03-01), None
patent: 05087059 (1993-04-01), None
Search Report, Mar. 20, 2006, 4 pages.

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