Micro-valve
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United States of America Patent
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Oct 24, 2017
Grant Date -
Feb 24, 2011
app pub date -
Jan 10, 2008
filing date -
Jan 10, 2007
priority date (Note) -
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Abstract
The invention relates to a micro-valve (1) comprising a valve ball (2), a valve seat (3) and a nozzle (14). In said valve, the valve seat (3) comprises a sealing region (5) and an outlet region (6) and guide means (40) are provided on the valve seat. The guide element is configured in the valve seat (3) in the form of a guide region (4) or a one-piece guide element (40) located in the vicinity of the valve seat (3). The micro-valves according to the invention exhibit substantial improvements with respect to dynamics, life cycle and stream pattern, In first embodiments, increased wear-resistance is achieved by the integration of guide means, in the form of a guide region (4), into the valve seat, optimizing the dimensions of the transition angle, guide angle and discharge angle. In versions comprising a one-piece guide element (40), wear is reduced by the fact that the ball primarily carries out a sealing function and a guide function to a lesser degree.
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