Method for producing a throttle
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United States of America Patent
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Dec 6, 2016
Grant Date -
Apr 10, 2014
app pub date -
May 23, 2012
filing date -
Jun 8, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for producing a throttle (34) in a flow channel (24) that extends in a component (8), in particular a valve part, and that is used to control a medium from a control chamber. According to the invention, after formation of the flow channel (24) in the valve part (8), the throttle (34) is stamped by plastically deforming material in the vicinity of the flow channel (24) in the direction of the planned throttle (34), and the plastically deformed material acts in such a manner on a molding tool (50, 57, 58) introduced into the flow channel (24) in the position of the planned throttle (34) that a contour (57, 58) of the molding tool (50) defining the throttle (34) is formed in the flow channel (24). The plastic deformation is effected by a stamping die (40) moved with a defined force, while the contour of the throttle (34) is formed by a tip portion (57, 58) of a counter-die (50) used as the molding tool.
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