| 摘要 |
Getter pump comprising a casing(21, 21'), whose shape is a solid of revolution with a revolution axis (26), and a plurality of getter cartridges (22, 23, 24, 25) mounted within said getter pump casing(21, 21'), each cartridge (22, 23, 24, 25) comprising a linear central support (221, 231, 241, 251) and spaced getter elements mounted on said linear central support(221, 231, 241, 251), a plane orthogonal to the revolution axis (26) and intersecting the midpoint of a linear central support (221, 231, 241, 251) being defineda getter cartridge positioning plane(222, 232, 242, 252), and the angles (α, α', α", α'") formed by said positioning planes(222, 232, 242, 252) with the linear central supports (221, 231, 241, 251)being comprised between 35° and 75°. |
