Pumps – With signal – indicator – or inspection means
Patent
1985-08-02
1987-10-27
Smith, Leonard E.
Pumps
With signal, indicator, or inspection means
73730, 417477, F04B 4312
Patent
active
047026758
ABSTRACT:
Apparatus for circulating a liquid along a tubular conduit comprises a peristaltic pump provided with a rotor which acts through the intermediary of rollers, on an elastically deformable tube disposed in series along the mentioned tubular conduit and a device mounted outside on a section of the deformable tube for emitting an electric signal depending on the deformation induced in operation in the section of tube by the pressure of the said pumped liquid.
REFERENCES:
patent: 3799702 (1974-03-01), Weishaar
patent: 4120033 (1978-10-01), Corso et al.
patent: 4227420 (1980-10-01), Lamadrid
patent: 4236880 (1980-12-01), Archbald
patent: 4278085 (1981-07-01), Shim
patent: 4468170 (1984-08-01), Hanset
Aldrovandi Mauro
Cianciavicchia Domenico
Pedrazzi Renato
Honor Robert S.
Hospal A.G.
Jewell Walter F.
Sharkin Gerald D.
Smith Leonard E.
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