Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Reexamination Certificate
2005-12-13
2005-12-13
Dinkins, Anthony (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
C361S278000, C361S279000, C361S282000, C361S297000
Reexamination Certificate
active
06975499
ABSTRACT:
A vacuum variable capacitor includes an energization bellows arranged in a vacuum vessel and having ends mounted to a movable-electrode support plate and a movable side-end plate, respectively, a heat shielding bellows arranged inside the energization bellows and outside a slide-guide support and having ends mounted to the movable-electrode support plate and the movable side-end plate, respectively, and a cooling pipe interposed between the two bellows and for preventing transfer of heat generated in the energization bellows.
REFERENCES:
patent: 3270259 (1966-08-01), Oeschger
patent: 3551735 (1970-12-01), Staats
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: 7-078729 (1995-03-01), None
patent: 8-097088 (1996-04-01), None
patent: 2001-217147 (2001-08-01), None
Fukai Toshimasa
Hayashi Naoki
Takahashi Eiichi
Dinkins Anthony
Foley & Lardner LLP
Kabushiki Kaisha Meidensha
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