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Vat Holding Ag patents


Recent patent applications related to Vat Holding Ag. Vat Holding Ag is listed as an Agent/Assignee. Note: Vat Holding Ag may have other listings under different names/spellings. We're not affiliated with Vat Holding Ag, we're just tracking patents.

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Vacuum valve

The vacuum valve includes a closure member that can be moved, parallel to a longitudinal movement direction, between an open position in which it unblocks the valve opening and an intermediate position in which it covers the valve opening but is raised off the valve seat, and that can be moved, parallel to a transverse movement direction, between the intermediate position and a closed position in which it bears against the valve seat; a valve rod that bears the closure member is mounted for displacement parallel to the longitudinal and transverse movement directions; a displacement part rigidly connected to the valve rod; and a drive motor which rotates a driveshaft about an axis parallel to the longitudinal movement direction in order to move the closure member between the open position, the intermediate position and the closed position. The drive shaft has, in a first section, a longitudinal displacement cam member of a longitudinal displacement cam mechanism that interacts with a longitudinal displacement engagement member of the longitudinal displacement cam mechanism in order to move the closure member between the open position and the intermediate position, and has, in a second section, a transverse displacement cam member of a transverse displacement cam mechanism that interacts with a transverse displacement engagement member of the transverse displacement cam mechanism in order to move the closure member between the intermediate position and the closed position.. ... Vat Holding Ag

Vacuum valve

A vacuum valve, including a valve body (1) with a first valve opening (2a) and with a second valve opening (2b), a first and a second closure element (4a, 4b) which are attached to a valve rod (9), a transmission piece (12) which is attached to the valve rod (9) and is adjustable in a longitudinal adjustment direction (16) from an open position into an intermediate position, and in a transverse adjustment direction (30) from the intermediate position into a first closing position, and counter to the transverse adjustment direction (30) from the intermediate position into a second closing position, where the transmission piece (12) is connected via a longitudinal stroke linear guide (13) and a transverse stroke linear guide (17), which comprises a transverse stroke guide part (19) which extends parallel to an oblique adjustment direction (20) lying obliquely with respect to the longitudinal adjustment direction (16), and a transverse stroke carriage (18) which is guided displaceably by the transverse stroke guide part (19), to the valve body (1), and, in order to adjust the transmission piece (12) from the intermediate position into the first or second closing position, the transverse stroke carriage (18) is displaceable linearly in relation to the transverse stroke guide part (19), or the transverse stroke guide part (19) is displaceable linearly in relation to the transverse stroke carriage (18), in or counter to the oblique adjustment direction (20) by the transverse stroke drive (31) from a central position into a first or second press-on position.. . ... Vat Holding Ag

Valve, in particular vacuum valve

A valve (1), in particular a vacuum valve, having at least one valve housing (2), at least one closure element (3), and at least one valve seat (4). The valve seat (4) surrounds at least one valve opening (5) of the valve (1), and the closure element (3) can be moved back and forth between at least one open position, in which the closure element (3) at least partly releases the valve opening (5), and a closed position, in which a sealing surface (8) of the closure element (3) is pressed against the valve seat (4) in order to close the valve opening (5), by at least one closure element drive (6, 7). ... Vat Holding Ag

Vacuum valve

A vacuum valve is provided having a valve housing (1) with a valve opening (2, 3) that has an axis (4, 5) and is surrounded by a valve seat (6, 7), a valve plate (10, 11) that releases the valve opening (2, 3) in an open state of the valve opening (2, 3) and rests against the valve seat (6, 7) in a closed state of the valve opening (2, 3), and a carrier unit (9) that supports the valve plate (10, 11) and can be moved between a first position, in which the valve opening (2, 3) is in the open state, and a second position. The valve plate (10, 11) is connected to the carrier unit (9) via at least two spaced drive elements (20) of the carrier unit (9) and can be moved between a retracted position and an extended position by the drive elements (20). ... Vat Holding Ag

Vacuum valve for controlling a flow and for interrupting a flow path

A vacuum valve, having a valve seat including a valve opening (axis (a)), and a first sealing surface around the valve opening and defines a first sealing plane (es), having a valve disk with a second sealing surface corresponding to the first sealing surface and defining a second sealing plane (et), additionally having a first coupling element, connected to the valve disk and comprising a receiving means and a drive unit coupled with the first coupling element and is configured to provide the valve disk adjustable from an open position to a closed position. The drive unit and the valve disk are configured to provide a fine control position, wherein the valve disk is tilted relative to the valve seat where es and et enclose a defined angle (α), and the seal abuts fully against one of the two sealing surfaces and in part against the other sealing surface.. ... Vat Holding Ag

Door for closing a chamber opening in a chamber wall of a vacuum chamber

A door for closing a chamber opening (4) in a chamber wall of a vacuum chamber (3) in relation to a surrounding space, in which the vacuum chamber is located, includes a door housing arranged in a surrounding space, a closing member (5) arranged in the surrounding space, and a rod (10), to which the closing member (5) is connected, wherein a first movement of the rod (10), through which the closing member (5) is displaced from an open position into an intermediate position, occurring in the form of a displacement of the rod (10) in the direction of the longitudinal axis thereof, wherein a second movement of the rod (10) subsequent thereto occurs in the form of a displacement of the rod (10) in a direction at an angle to the longitudinal axis thereof and/or in the form of a pivoting of the rod (10) about a pivot axis which is perpendicular to the longitudinal axis thereof, wherein the closing member is displaced from the intermediate position into a closed position via said second movement of the rod. The rod (10) is mounted in a moveable manner via the bearing elements, via the first movement thereof and via the second movement thereof in relation to the door housing, wherein the bearing elements are arranged in an inner space (30) of the door housing, which inner space is sealed with respect to the surrounding space or is connected to the surrounding space via a passage (41) extending through a housing wall (40) of the door housing, in which passage a particle filter is arranged. ... Vat Holding Ag

Closure device for the vacuum-tight closure of an opening in a wall

A closure device for the vacuum-tight closure of an opening includes a closure element, at least one rod that projects out of a housing of the closure device and that, outside the housing, supports the closure element and that is rigidly connected to a carrier piece, a transmission unit which is adjustable by a drive parallel to the longitudinal adjustment direction between an initial, open position of the closure element, a middle position, in which the closure element assumes the intermediate position, and a closed, end position. At least one spring is arranged between the transmission unit on the carrier piece, and a stop device which, during adjustment of the transmission unit from the middle to the end position, blocks a further adjustment of the carrier piece parallel to the longitudinal adjustment direction. ... Vat Holding Ag

Diaphragm bellows

The diaphragm bellows includes a plurality of diaphragms (1) with outer edges (3) and inner edges (2), wherein diaphragms (1) that follow one another in the direction of the central longitudinal axis (5) of the diaphragm bellows are welded together alternately in the region of their inner edges (2) and in the region of their outer edges (3). A sliding-guidance device of the diaphragm bellows has at least two ring parts (10, 11). ... Vat Holding Ag

Closure element for a vacuum seal having a friction stir welding connection

Closure element for a vacuum valve having a valve disk realized for the gas-tight closure of a process volume by means of interaction with a vacuum valve opening of the vacuum valve provided for the process volume, wherein the valve disk comprises a closure side and an oppositely situated rear side which is substantially parallel thereto and a first sealing face which is assigned to the closure side and corresponds to a second sealing face of the vacuum valve opening, in particular with regard to form and size, with cured-on sealing material, wherein the second sealing face runs around the vacuum valve opening, and a cross carrier with a receiving means for a drive component transversely with respect to an extension direction of the cross carrier, wherein the cross carrier is connected to the valve disk on the rear side of the valve disk at at least one connection point. The connection of the cross carrier to the valve disk comprises a friction stir welding connection at the at least one connection point.. ... Vat Holding Ag

Valve plunger

A valve rod (12) for a vacuum valve, the plunger having a first connection region (40) for a closure member (5) of the vacuum valve and at least one second connection region (41) for a valve drive of the vacuum valve. At least some sections of the valve rod (12) have a material (42) with an elastic modulus of at least 250 gigapascal, preferably at least 350 gigapascal.. ... Vat Holding Ag








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