Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1988-07-25
1990-01-23
Jennings, Derek S.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
21912434, 350253, 350584, 901 42, 901 47, 165156, 165169, B23K 912
Patent
active
048962473
ABSTRACT:
The present protective/cooling system includes a housing which contains electronic circuitry and optics for a vision system typically operating in a high temperature, turbulent dust and debris environment. The vision system is located in an inner chamber which is sealed from the surrounding harsh environment. A cooling fluid flows through spiral passages around the inner chamber for drawing heat from the contained vision system. The cooling fluid exits across an optical interface in a spiral flow pattern which enhances both the cleaning ability and the cooling efficiency of the cooling system.
REFERENCES:
patent: 3730229 (1973-05-01), D'Onofrio
patent: 4057332 (1977-11-01), Brubaker et al.
patent: 4784491 (1988-11-01), Penney et al.
patent: 4794223 (1988-12-01), Barkman et al.
Jennings Derek S.
Osborn David
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