Fluid handling – Processes – Affecting flow by the addition of material or energy
Patent
1990-11-14
1992-05-19
Chambers, A. Michael
Fluid handling
Processes
Affecting flow by the addition of material or energy
137807, 137827, 137909, F17D 116, F15B 2100
Patent
active
051138905
ABSTRACT:
Magnetic valve and methods related thereto for regulating the physically unobstructed flow of ferromagnetic particulate solid materials through a conduit by means of an electromagnetic and/or permanent magnetic device for establishing and controlling a magnetic field, which is caused to selectively pass along a magnetic circuit which comprises said particulate materials in said conduit to be regulated and wherein said magnetic field is deviated from said conduit or deactivated to allow the flow of said material. The valve comprises a pipe made of a non-magnetic material with at least two elements of magnetic material such as iron or carbon steel, vertically spaced apart along said pipe (which advantageously separately ring said pipe and contact the interior thereof) and a plurality of means to selectively create or eliminate or decrease the intensity of a magnetic circuit which passes through said elements and through said ferromagnetic material in such a way that said material is stopped or its flow is diminished when the magnetic field flows therethrough and the flow is allowed when said magnetic field is diminished, deleted, or deviated.
REFERENCES:
patent: 3417771 (1968-12-01), Ernst
patent: 3506023 (1970-04-01), Bogart
patent: 4216800 (1980-08-01), Garnier et al.
patent: 4463502 (1984-08-01), Fitzgerald et al.
patent: 4655237 (1987-04-01), Gloor et al.
patent: 4805669 (1989-02-01), Lillicrap
Elizondo-Gonzalez Cesar
Juarez-Mata Virgilio
Quintero-Flores Raul
Roesch-Dietlen Juan-Jorge
Viramontes-Brown Ricardo
Chambers A. Michael
Hylsa S.A. de C.V.
S. Safford A. Thomas
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