Pumps – Electrical or getter type – Electromagnetic
Patent
1985-09-18
1986-10-07
Freeh, William L.
Pumps
Electrical or getter type
Electromagnetic
266237, 222594, H02K 4402
Patent
active
046156607
ABSTRACT:
An electromagnetic metal melt pump for pumping and delivery molten metal from a furnace, having a ground plate, an inductor attached to the ground plate, an inductor attached to the ground plate and including a laminated iron body having slots in which a multiphase winding is placed. A metal melt tank made of magnetizable material is provided with heat insulation and is attached to the laminated iron body. A suction tube (7) is coaxially placed in the metal melt tank (3), the suction tube (7) comprises three main parts: the first part is a suction tube (7c) having a volume (V.sub.4) for closing the magnetic circuit of the inductor between points A and B which determine the immersing depth; the second part is a buffer tank (7b) having a volume (V.sub.1) to produce a reduced pressure space between points B and C; the third part is a suction tube (7a) having a volume (V.sub.2) for creating a reduced pressure in the suction tube (7) immersed into the metal melt of the furnace. The suction tube ( 7) is provided with controllable heaters (7d) and with heat insulation (7e). The ground plate (1) is fixed on a lever and tilting plate of a lever equipment (8a). The suction tube (7) is attached to a lever rod (8b) of the lever equipment (8), the lever rod (8b) can be rotated around its axis (FIG. 1).
REFERENCES:
patent: 2552876 (1951-05-01), Tama
patent: 2755327 (1956-07-01), Tama
patent: 2937789 (1960-05-01), Tama
patent: 3453460 (1969-07-01), Butler et al.
patent: 3472942 (1969-10-01), Campbell
patent: 3864061 (1975-02-01), Carbonnel et al.
patent: 4398589 (1983-08-01), Eldred
Giesserie, 69, GFR, No. 20, Sep. 27, 1982, pp. 575-579.
Doknas Janos
Ferencsik Jozsef
Ronafoldi Arnold
Torok Laszlo
Freeh William L.
Katona Gabriel P.
Neils Paul F.
Nikex Nehezipari Kulkereskedelmi Vallalat
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