Vacuum variable capacitor

Details Vacuum variable capacitor Vacuum variable capacitor

2006-05-09

2006-05-09

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

C361S278000, C361S279000, C361S282000, C361S283100, C361S292000

Reexamination Certificate

active

07042699

ABSTRACT:
A vacuum variable capacitor is includes of a vacuum container which is formed by sealing both end of a cylindrical insulator with a fixed-side end plate and a movable-side end plate, a movable conductive member which is disposed opposite to the fixed-side end plate in the vacuum container, a fixed electrode which is provided on the fixed-side end plate, a movable electrode which is provided on the movable conductive member, a bellows provided in the vacuum container, a rotating portion which is rotatably disposed outside of the vacuum container, and a ball screw through which the movable conductive member is supported by the rotating member.

REFERENCES:
patent: 4860160 (1989-08-01), Boksberger et al.
patent: 6268995 (2001-07-01), Beuerman et al.
patent: 6307729 (2001-10-01), Fukai et al.
patent: 6473289 (2002-10-01), Weisse et al.
patent: 6498712 (2002-12-01), Ditlya
patent: 7-78729 (1995-03-01), None

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