Abstract: A coalescence separator for separating liquid droplets from a gas flow is provided with a multilayer structure of a coalescence filter medium as a finest stage of the coalescence separator. The multilayer structure of the coalescence filter medium is arranged between a gas inlet and a gas outlet and surrounds a cavity. A product of an air permeability of the coalescence filter medium and a grammage of the coalescence filter medium amounts to at least 16 g/m*s and maximally 100 g/m*s. The coalescence filter medium is a glass fiber paper. The coalescence separator is used, for example, as a main oil separator in screw compressors.

Abstract: A coalescence separator for separating liquid droplets from a gas flow has a gas inlet and a gas outlet. A multi-layer structure of a plurality of individual layers of a coalescence filter medium is arranged between the gas inlet and the gas outlet, wherein the coalescence filter medium is provided with a glass fiber paper with glass fibers. The individual layers of the coalescence filter medium each have an individual layer thickness of more than 0.8 mm and maximally 5 mm, a grammage of greater than 80 g/m2 and less than 500 g/m2, and an air permeability of 350 l/m2s to 1,800 l/m2s. The multi-layer structure has between 2 and 80 of the individual layers.

Abstract: A coalescence separator for separating liquid droplets from a gas flow is provided with a multilayer structure of a coalescence filter medium as a finest stage of the coalescence separator. The multilayer structure of the coalescence filter medium is arranged between a gas inlet and a gas outlet and surrounds a cavity. A product of an air permeability of the coalescence filter medium and a grammage of the coalescence filter medium amounts to at least 16 g/m*s and maximally 100 g/m*s. The coalescence filter medium is a glass fiber paper. The coalescence separator is used, for example, as a main oil separator in screw compressors.

Abstract: A coalescence separator for separating liquid droplets from a gas flow has a gas inlet and a gas outlet. A multi-layer structure of a plurality of individual layers of a coalescence filter medium is arranged between the gas inlet and the gas outlet, wherein the coalescence filter medium is provided with a glass fiber paper with glass fibers. The individual layers of the coalescence filter medium each have an individual layer thickness of more than 0.8 mm and maximally 5 mm, a grammage of greater than 80 g/m2 and less than 500 g/m2, and an air permeability of 350 l/m2s to 1,800 l/m2s. The multi-layer structure has between 2 and 80 of the individual layers.

Abstract: Disclosed are: a separation element (20) of a liquid separator (10) for the separation of liquid from an aerosol; a separation medium (38); a liquid separator (10); and a method for producing a separation element. The separation element (20) has at least one separation medium (38) for separating at least the liquid, the separation medium being arranged circumferentially about an element axis (22) in at least one medium layer (40). The aerosol is able to flow through the separation element (20) radially relative to the element axis (22). At least one medium layer (40) has, on a radially inward circumferential surface, at least one channel-shaped indentation (42) extending axially to the element axis (22) to realize at least one channel (44) for separated liquid.

Abstract: A filter holder for a filter element that has an oval-shaped cross section transverse to a longitudinal direction thereof, the filter holder including: a receiving section configured to receive the filter element; fluid inlet for allowing fluid to be filtered into the filter holder; fluid outlet for letting the fluid filtered out of the filter holder; the fluid inlet is arranged so the inflow direction of the fluid to be filtered into the fluid inlet is parallel to the longitudinal direction of the filter element; the fluid inlet has a guide member configured to deflect the fluid as it flows into the fluid inlet such that it flows around in a spiral in the filter element that can be received in the receiving section in order to separate particles contained in the fluid to be filtered on a wall of the receiving section with the aid of centrifugal force.

Abstract: Disclosed are: a separation element (20) of a liquid separator (10) for the separation of liquid from an aerosol; a separation medium (38); a liquid separator (10); and a method for producing a separation element. The separation element (20) has at least one separation medium (38) for separating at least the liquid, the separation medium being arranged circumferentially about an element axis (22) in at least one medium layer (40). The aerosol is able to flow through the separation element (20) radially relative to the element axis (22). At least one medium layer (40) has, on a radially inward circumferential surface, at least one channel-shaped indentation (42) extending axially to the element axis (22) to realize at least one channel (44) for separated liquid.

Abstract: A filter holder for a filter element that has an oval-shaped cross section transverse to a longitudinal direction thereof, the filter holder including: a receiving section configured to receive the filter element; fluid inlet for allowing fluid to be filtered into the filter holder; fluid outlet for letting the fluid filtered out of the filter holder; the fluid inlet is arranged so the inflow direction of the fluid to be filtered into the fluid inlet is parallel to the longitudinal direction of the filter element; the fluid inlet has a guide member configured to deflect the fluid as it flows into the fluid inlet such that it flows around in a spiral in the filter element that can be received in the receiving section in order to separate particles contained in the fluid to be filtered on a wall of the receiving section with the aid of centrifugal force.

Abstract: A filter medium for filtering a fluid, the filter medium including: a first media ply; and a second media ply; wherein said second media ply is positioned downstream of the first media ply in an intended flow direction of the filter medium; and wherein said first media ply is formed as a nanofiber ply with nano-fibers; and wherein said second media ply is formed as a support layer with an average surface weight of more than 60 g/m2; wherein the first media ply has a first region on an inflow side and a second region on an outflow side in a direction of the second media ply; wherein the nanofibers of the first region have a smaller average fiber diameter than the nanofibers of the second region.

Abstract: A centrifugal separator (1) for separating particles (2) from a fluid, having a guide apparatus (8) that has a housing (12) with an inflow opening (4) and an outflow opening (14), a core (18) accommodated in said housing (12) and guide blades (26) that are arranged between the core (18) and the housing (12), wherein the cross-sectional area (A) of the guide apparatus (8), through which the fluid flows through the guide apparatus (8), changes starting from the inflow opening (4) towards the outflow opening (14) in a flow direction (6) of the guide apparatus (8).