X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1987-06-11
1989-07-25
Fields, Carolyn E.
X-ray or gamma ray systems or devices
Source
Electron tube
378125, 378144, 200144R, 200144AP, H01J 3504
Patent
active
048521400
ABSTRACT:
A structure for suppressing arcing in electric current carrying anti-friction bearings operating in a vacuum environment is disclosed having opposed spaced-apart surfaces forming an effective capacitor in parallel with the bearings responsive to temperature to reduce arcing which would otherwise result from current interruption in the bearings.
REFERENCES:
patent: 2280886 (1941-03-01), Brace
patent: 3855492 (1974-12-01), Langer et al.
patent: 4097759 (1978-06-01), Furbee et al.
patent: 4326144 (1982-04-01), Appelt
patent: 4357555 (1982-11-01), Gerkema
patent: 4413355 (1983-11-01), Matsumoto
Static and Dynamic Electricity 3rd Edition, Smythe (McGraw Hill 1968) pp. 76-79.
Chilton's Auto Repair Manual, 1975.
Edelman Lawrence C.
Fields Carolyn E.
Hynds Joseph A.
Siemens Medical Systems Inc.
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