Pumps – Electrical or getter type – Getter heating – vaporizing – or regeneration
Patent
1996-07-02
1998-06-30
Thorpe, Timothy
Pumps
Electrical or getter type
Getter heating, vaporizing, or regeneration
417313, F04B 3702
Patent
active
057724040
ABSTRACT:
A compact getter pump, compatible with size limitations of portable apparatus is described. In one embodiment a getter device and a heating apparatus capable of heating getter elements to a desired temperature, are contained within a thermally insulating housing comprised of a plurality of nested thermally insulating shields with an open end. The open end of at least one of the shields is covered with a particle trap. In another embodiment, each of the nested thermally insulating shields is of a substantially cylindrical shape and is substantially coaxially disposed along an axis defined by the heating apparatus. In one embodiment a plurality of getter elements and a heating apparatus are enclosed by three nested evenly spaced cylindrical metal shields that have open ends and are coaxially disposed along an axis defined by the getter elements and the heating apparatus. The open end of the metal shield closest to the getter elements is covered by a wire mesh screen whose apertures are of larger size than the apertures of the wire mesh screen covering the open end of the adjacent metal shield.
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Belloni Fortunato
Carella Sergio
Conte Andrea
Korytnyk Peter G.
SAES Getters S.p.A.
Thorpe Timothy
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