Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1978-09-13
1980-01-22
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
73 23, 73 53, G01N 2758
Patent
active
041849345
ABSTRACT:
A shield for introducing fluid, such as the gas within the exhaust system of an internal combustion engine, to a sensing means such as a zirconium dioxide element of an oxygen concentration sensor. The shield forms a chamber which surrounds the element and contains a fluid diverter having a plurality of circumferential fluid receiving cavities adapted to divert a portion of fluid from a main stream of flow into a partially closed end of the chamber. The diverted fluid enters the chamber near the tip end of the zirconia element; the closely spaced chamber permits the fluid flow to be generally parallel to the surface of the element and directed from the tip end to the base or housing end of the element. The shield further contains an opening near the base of the element to permit fluid to exit the chamber.
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patent: 3844920 (1974-10-01), Burgett et al.
patent: 3960693 (1976-06-01), Weyl et al.
patent: 4038034 (1977-07-01), Nakajima et al.
patent: 4063897 (1977-12-01), Aoki
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Bode James D.
Teitelbaum Bernard R.
Ignatowski James R.
Kaplan G. L.
Seitzman Markell
The Bendix Corporation
Wells Russel C.
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