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US 2011/0226364 A1Published application
Control Spool for Spool Valves and Method for the Production Thereof
AssigneeRobert Bosch GmbH
InventorsRonald Höll, Thomas Schlottner, Hans-Georg Schubert, Manfred Breckner
Life of this patent
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Abstract
A control spool for spool valves includes a tube having an outer circumference, and one or more rings and/or sleeves positioned on the outer circumference of the tube. The one or more rings and/or sleeves each defines at least one circumferential edge that forms at least one control edge.
Claims19
A control spool for spool valves, comprising:
- a tube having an outer circumference;
- and
- one or more rings and/or sleeves positioned on the outer circumference of the tube, wherein the one or more rings and/or sleeves each defines at least one circumferential edge that forms at least one control edge.
A method for producing control spools for spool valves, comprising:
- producing a tube;
- producing rings and/or sleeves;
- and
- fastening the rings and/or sleeves to the outer circumference of the tube.
1 more element
Dependencies are inferred from the claim text.