Burckhardt Compression Ag

Alexandre Voser

Norbert Feistel

Reiner Schulz

Markus Friedl

Andreas Schlegel

Markus Lehmann

Pascal De Lapersonne

Philipp Hauri

Sandro Brunner

The present invention relates to a sealing element and/or a support ring, in particular for a reciprocating compressor, manufactured by compression molding of a mixture of chips of carbon fiber-reinforced composite material, wherein at least part of the chips contains carbon fibers having a length of 3 to 20 mm, and wherein the carbon fibers in the sealing element and/or support ring have a random fiber orientation.

Sealing element and/or support ring made of compressed carbon-fiber-reinforced composite material

The piston compressor for compressing a gas having a cylinder and also including a piston, a piston rod, packing, a crosshead and a drive, wherein: the piston is disposed for movement in a longitudinal direction L inside the cylinder; the piston is connected to the crosshead by means of a piston rod; packing is disposed between the piston and the crosshead, through which packing the piston rod runs; the crosshead is driven by the drive; in addition an activatable magnetic bearing is disposed between the piston and the crosshead; the magnetic bearing can generate a magnetic force Fon the piston rod, at least perpendicularly to the longitudinal direction L; and an activation device activates the magnetic force Fgenerated by the magnetic bearing on the piston rod.

Piston compressor and method for operating same

The packing seal for a piston compressor, having a longitudinal axis L as well as, following one after the other in the direction of the longitudinal axis L, a fastening part and a cylindrical part, wherein a magnetic bearing and at least one chamber ring with a sealing ring arranged therein are arranged following one after the other in the direction of the longitudinal axis L in the cylindrical part, wherein the magnetic bearing includes at least one controllable electromagnet.

Packing seal for a piston compressor and method for operating same

A method for expanding a compressed gas (GD) at a gas pressure (pD) with a reciprocating-piston machine, wherein the reciprocating-piston machine includes a piston that can move to and fro and a working chamber delimited by the movable piston. The method being carried out as follows: the compressed gas (GD) is supplied to the working chamber via an actuatable rotary slide valve, wherein the compressed gas (GD) in the working chamber is expanded in the working chamber.

Method and device for expanding a gas with a reciprocating-piston machine

A valve closure for a piston compressor valve including: a valve seat having a plurality of passage openings, a shaft having an axis of rotation (D), and a rotatable closing element connected to the shaft for opening and closing the passage openings, the valve seat having a flat end face, to which the passage openings lead and a center (Z): the passage openings extending radially to the center (Z); and the closing element having a center point (M) and a plurality of closing arms extending radially to the center point (M). The shaft can be rotated about the axis of rotation and can be slid in the extension direction of the axis of rotation extending perpendicularly to the end face and through the center (Z); each closing arm having a sealing surface substantially complementary to the passage openings in accordance with the rotation of the closing element.

Valve closure for a piston compressor valve and method for operating the valve closure

A piston compressor valve including a valve seat having a plurality of through openings including a closing element which is rotatable about an axis of rotation (D) for opening and closing the through openings and having an actuating drive for rotating the closing element, wherein the valve seat has an end face into which the through openings lead, wherein the closing element is movably connected to the actuating drive in the running direction of the axis of rotation (D), such that the closing element is both rotatable about the axis of rotation (D) and also movable in the running direction of the axis of rotation (D) relative to the end face, and having a sensor for detecting a condition variable (E) of the piston compressor valve, and having a control device which activates the actuating drive as a function of the condition variable (E).

Piston compressor valve and method for operating a piston compressor valve

The invention relates to a sealing assembly () for sealing a piston rod () of a piston compressor, which piston rod extends in an axial direction (A) and can be moved back and forth in the axial direction (A). Said sealing assembly () comprises at least one packing chamber (), wherein the packing chamber () is bounded in the axial direction (A) by a first and a second side wall (), wherein at least one sealing ring () or one scraping ring () and a spring device () are arranged in the packing chamber (), and wherein a spring device () and at least one sealing ring () or one scraping ring () are arranged one after the other in the axial direction (A) proceeding from the first side wall (), wherein the sealing ring () or the scraping ring () lies against the second side wall (), and wherein the spring device () is designed as a magnetic spring and consists of two assemblies () spaced apart in the axial direction (A), a first assembly () and a second assembly (), wherein each assembly () comprises at least one magnet (), and wherein the magnets () are arranged in the two assemblies () in a mutually matched manner in such a way that the two assemblies () repel each other.

Sealing assembly and method for the operation thereof

The invention relates to an actively controlled valve () having a housing () and comprising a displaceably supported valve plate () having aperture openings () and a counter plate () disposed in a fixed manner relative to the housing () and having aperture openings (), wherein the valve plate () is slidably supported relative to the counter plate (), such that the penetration openings () form an open or closed aperture (), and comprising a drive device () driving the valve plate (), wherein the valve plate () is connected to the drive device () by means of a drive spring (), and an actuatable clamping device () is provided for fixing the location of the valve plate ().

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Elsau, Switzerland

Alexandre Voser