Electromagnetic valve

Details Electromagnetic valve Electromagnetic valve

1989-04-21

1990-08-14

Chambers, A. Michael

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Utilizing particular fluid

137811, 137827, F15C 104

Patent

active

049478958

ABSTRACT:
An electromagnetic valve for use for discharge of molten metal from a container comprises a body (1) providing a discharge passage (2, 3) surrounded by an electrical induction coil (4), the passage having a first portion (2) adjacent the container having a radius greater than that of a second portion (3) extending from the first portion to the discharge end of the passage, whereby the frequency of the electric current supplied to the coil (4) can be chosen independently of the passage discharge diameter.

REFERENCES:
patent: 3701357 (1972-10-01), Granstrom et al.
patent: 4082207 (1978-04-01), Garnier et al.
patent: 4324266 (1982-04-01), Garnier et al.
patent: 4655237 (1987-04-01), Gloor et al.
patent: 4805669 (1989-02-01), Lillicrap

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