Coreless Patents (Class 373/151)
Coil (Class 373/152)
Lining (Class 373/155)
Crucible (Class 373/156)
Cooling (Class 373/158)
  • Induction furnace packaging system
    Patent number: 4639931
    Abstract: A packaging system for an induction furnace has an equipment housing within which is located all the operating equipment for the furnace. The equipment is centrally located within the housing and is reached from either side by access panels in the housing cover, which forms a deck. The operating equipment is fully enclosed and protected by the housing, yet can be easily reached by means of the access panels for maintenance, trouble shooting and the like.
    Type: Grant
    Filed: August 1, 1985
    Date of Patent: January 27, 1987
    Assignee: Inductotherm Industries, Inc.
    Inventor: John H. Mortimer
  • Electrical induction crucible furnace for die casting
    Patent number: 4580273
    Abstract: A furnace comprises a crucible surrounded by an induction heating coil and having a filling mouth and a pouring spout. The crucible is cylindrical in shape having an oval external cross-sectional profile with a major diameter and a minor diameter, and an internal profile of substantially constant diameter. In the portions of the crucible wall of greater thickness are formed a filling duct and a pouring duct which connect the filling mouth and the pouring spout respectively to the bottom of the crucible.
    Type: Grant
    Filed: July 26, 1984
    Date of Patent: April 1, 1986
    Inventor: Giuseppe Crescenzi
  • Method for the induction melting of a charge blank
    Patent number: 4568809
    Abstract: There is disclosed an improved method of melting a charge blank of an electrically-conductive fusible material including the steps of positioning at least one substantially ring-shaped charge blank in a crucible wherein the charge blank has an outside transverse dimension and height of about 1.1 to 10 and 0.8 to 3, respectively, times an inside transverse dimension thereof, and thereafter subjecting the charge blank to the electromagnetic field of an induction coil.
    Type: Grant
    Filed: August 28, 1984
    Date of Patent: February 4, 1986
    Assignee: Linn Elektronik GmbH
    Inventor: Horst Linn