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US 6,296,454 B1Granted
Suction jet pump having an inlet diffuser with an elliptical inflow cone
AssigneeMannesmann VDO AG
InventorsRené Schmid, Joachim Lepper, Wolfgang Planck, Ludger Kürmann
Life of this patent
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Abstract
A suction jet nozzle and a diffuser having an inflow cone with an elliptical cross-section is implemented in a suction jet pump to be used in a motor vehicle's fuel tank. The jet nozzle is configured to produce a flat propulsion jet that seals the diffuser over its entire circumference.
Claims6
A suction jet pump comprising:
- (a) a housing;
- (b) a mixing tube having an entrance diffuser formed by an inflow cone whose cross-sectional shape is an ellipse having two foci;
- and
- (c) a propulsion jet nozzle located within the housing and configured to produce a flat propulsion jet that seals the diffuser over its entire circumference when introduced there into.
1 more element
A suction jet pump comprising:
- (a) a housing;
- (b) a mixing tube having an entrance diffuser formed by an elliptical inflow cone having two foci;
- and
- (c) a propulsion jet nozzle wherein the axis of the jet nozzle is arranged at an angle with respect to the axis of the mixing tube.
1 more element
A suction jet pump comprising:
- (a) means for defining a housing;
- (b) means located within the housing for producing a flat propulsion jet;
- and
- (c) means defining a diffuser having a surface defining an elipitcal inflow cone having two foci for receiving the flat propulsion jet, whereby the jet seals the diffuser over its entire circumference.
1 more element
Dependencies are inferred from the claim text.