Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid – Heating means
Patent
1998-06-01
2000-08-29
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With heating or cooling means for the system or system fluid
Heating means
2395851, 2395854, 2395855, 137341, 25112921, B05B 124
Patent
active
061095435
ABSTRACT:
A method of preheating fuel in a fuel injector with an internal heater energized to reduce emissions. The heater being a ceramic hollow cylinder disposed within a valve body just upstream of a valve seat where fuel is injected through an orifice into the engine. Conductors for energizing the heater extend into the valve body and are sealed against the escape of pressurized fuel. In one version, the conductors are extended through an O-ring to be sealed. In another version the conductors include pins extending through the valve body sidewall with glass seals fused to the valve body and the pins. The conductors may comprise flat foil strips clamped between the O-ring and an elastomeric washer. The conductors also may be molded into the magnetic coil bobbin and sealed where the conductors emerge into the fuel cavity. The heater has metallized surfaces to create current flow through its wall thickness, and the conductors are electrically connected respectively to the inner end and outer surfaces of the hollow cylinder by metallization patterns enabling both mechanical contacts to be made on the outside of the heater.
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Bright John S.
Frick Michael J.
Kendlbacher Christoph
Nally, Jr. John F.
Nines Jerry E.
Douglas Lisa Ann
Kashnikow Andres
Siemens Automotive Corporation
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