Pumps – Electrical or getter type
Patent
1998-01-20
2000-06-20
Thorpe, Timothy S.
Pumps
Electrical or getter type
F04F 1100
Patent
active
060770465
ABSTRACT:
A getter assembly (38) includes a porous getter element (40) having an outer periphery (44), and a porous, thermally conductive, annular getter support (42) overlying the getter element (40) and contacting the outer surface (44) of the getter element (40). The getter assembly (38) further includes a wall (24) sized so that the annular getter support (42) is received within the wall (24) with a friction fit between an outer periphery (50) of the annular getter support (42) and an inner periphery of the wall (24). The getter support (42) supports the getter element (40) from the wall (24) and provides a thermally conductive pathway from the wall (24) to the getter element (40). The annular getter support (42) is typically a screen, a mesh, a felt, or a foam, which is deformable to conform to the inner wall (24) and to slide into the wall (24) with a friction fit that ensures good thermal contact.
REFERENCES:
patent: 2824640 (1958-02-01), Della Porta
patent: 3211280 (1965-10-01), Malloy
patent: 3737710 (1973-06-01), Waymouth et al.
patent: 4758272 (1988-07-01), Pierotti et al.
patent: 5885682 (1999-03-01), Tanimoto et al.
Cobb Larry E.
Kennedy Adam M.
McCabe Steven M.
Romano Timothy S.
Lenzen, Jr. Glenn H.
Raytheon Company
Schubert William C.
Thorpe Timothy S.
Tyler Cheryl
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