TAPPET TIP GEOMETRY FOR A PRESSURE CONTROL VALVE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20160153319A1
SERIAL NO

14903929

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a tappet element (2), in particular for a pressure control valve (4), comprising a tappet body (2a), in particular an elongated tappet body. The tappet body has a first side (2b), a second side (2c), and a centre axis (2d). A tappet tip (14) is formed on the first side (2a), which tappet tip is designed to contact a valve ball (6). A driving device (10) for the tappet element (2) can be provided on the second side (2c). The tappet tip (14) has a recess (12) for contacting a valve ball (6). The tappet element is characterised in that the recess (12) has a first region (16a) and a second region (16b), the two regions (16a, b) being arranged concentrically with respect to the centre axis (2d); and a valve ball (6) being movable (18a) on the surface (22a) of the recess (12) substantially in a radial direction (20a) perpendicular to the centre axis (2d) in the first region (16a); and a valve ball (6) being movable (18b) on the surface (22b) of the recess (12) substantially in a combined motion both in the radial direction (20a) and in an axial direction (20b) in the second region (16b).

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBHPOSTFACH 30 02 20 STUTTGART 70442

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
VIER, Elmar Freiberg A.N., DE 15 64

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