Abstract: A filter unit for integration in an oil-water-separating device for removing oil-containing constituents from an oil-water mixture includes a housing which separates a filter interior from an environment, there being in the filter interior filter material for at least partially removing oil from the oil-water mixture. An inflow opening is provided, and the housing has, downstream of the filter material, an outflow opening for providing an outflow of cleaned liquid from the filter interior. The filter unit is a filter cartridge for detachable connection to and disconnection from the oil-water-separating device. Moreover, the outflow opening of the housing is closable by an automatic filter cartridge closure that is moveable from a closed to an open state. A base unit of an oil-water-separating device for removing oil-containing constituents from an oil-water mixture, and an oil-water-separating device for removing oil-containing constituents from an oil-water mixture are also related.

Abstract: A compressed air filter includes a housing and a housing head with an inlet and an outlet, wherein a preparation element is arranged in an interior of the housing, and compressed air which is to be prepared flows through the inlet into the preparation element and flows out through the outlet as prepared useful air. The housing head has a through-opening through which, in the state in which the preparation element is used, there extends a functional element connected to the preparation element.

Abstract: An oil/water separating device for removing oil-containing constituents from an oil/water mixture, including a main filter which is configured for separating oil-containing constituents from the oil/water mixture, where an oil/water mixture to be purified is supplied to the main filter from a top housing via a condensate line and is removed from the oil/water separating device after passing through the main filter, and the oil/water separating device is configured for supplying and removing these liquids in accordance with the hydrostatic principle, where the top housing is disposed above the main filter, wherein the distance between the top housing and the main filter is selected so as to result in a hydrostatic pressure on the main filter of at least 0.05 bars.

Abstract: An oil/water separator for removing oil-containing constituents from an oil/water mixture includes a main filter designed to separate oil-containing constituents from the oil/water mixture. Untreated oil/water mixture is supplied to the main filter and is removed from the oil/water separator after passing through the main filter, wherein the oil/water separator is designed for supply and removal of these liquids in accordance with the hydrostatic principle. The oil/water separator has a control unit designed to temporarily charge the oil/water separator with control air, by means of which overpressure can be used to push oil/water mixture through the main filter.

Abstract: A purge air regulating unit for a drying device for compressed air, the purge air regulating unit being connectable to a housing in which a membrane filter, such as a bundle of hollow fiber membranes, is arranged such that a sub-flow of dried compressed air flowing out of the housing from an outlet channel can be conducted back to the hollow fiber membranes as purge air by the purge air regulating unit. A method for regulating the flow of dried compressed air flowing out of a membrane dryer back into a housing of the membrane dryer, the membrane dryer being equipped with a membrane filter, such as a bundle of hollow fiber membranes, is also provided.

Abstract: An assembly for a condensate draining device for draining off a compressed-gas condensate includes a collecting chamber for receiving the compressed-gas condensate formed in a compressed-gas system, an electrically operated outlet valve for discharging the compressed-gas condensate from the collecting chamber, and an interface for attaching the assembly to an electronic module. The interface has a contact assembly for supplying the outlet valve with electricity from the electronic module. The interface is brought into one of several possible and different configuration states.

Abstract: An oil/water separator for removing oil-containing constituents from an oil/water mixture includes a main filter designed to separate oil-containing constituents from the oil/water mixture. Untreated oil/water mixture is supplied to the main filter and is removed from the oil/water separator after passing through the main filter, wherein the oil/water separator is designed for supply and removal of these liquids in accordance with the hydrostatic principle. The oil/water separator has a control unit designed to temporarily charge the oil/water separator with control air, by means of which overpressure can be used to push oil/water mixture through the main filter.

Abstract: A purge air regulating unit for a drying device for compressed air, the purge air regulating unit being connectable to a housing in which a membrane filter, such as a bundle of hollow fiber membranes, is arranged such that a sub-flow of dried compressed air flowing out of the housing from an outlet channel can be conducted back to the hollow fiber membranes as purge air by the purge air regulating unit. A method for regulating the flow of dried compressed air flowing out of a membrane dryer back into a housing of the membrane dryer, the membrane dryer being equipped with a membrane filter, such as a bundle of hollow fiber membranes, is also provided.

Abstract: A drying apparatus housing head for compressed air is connected to a housing wherein a diaphragm filter includes an inlet for humid compressed air and an outlet for dried compressed air. The inlet transitions into an inner pipe surrounded by a housing section. The outlet transitions into a ring-shaped chamber formed between an outer side of the inner pipe and an inner side of the housing. A valve ring guide of a main body surrounds the inner pipe and is held immovably, and a ring-shaped rolling diaphragm is arranged in the chamber, held at the outer side thereof and connected at the inner side thereof to a valve ring which surrounds the valve ring guide and moves along a longitudinal axis. The valve ring guide has a duct through which dry compressed air is conducted in the direction of the diaphragm filter and is closed off by the valve ring.

Abstract: A drying apparatus housing head for compressed air is connected to a housing wherein a diaphragm filter includes an inlet for humid compressed air and an outlet for dried compressed air. The inlet transitions into an inner pipe surrounded by a housing section. The outlet transitions into a ring-shaped chamber formed between an outer side of the inner pipe and an inner side of the housing. A valve ring guide of a main body surrounds the inner pipe and is held immovably, and a ring-shaped rolling diaphragm is arranged in the chamber, held at the outer side thereof and connected at the inner side thereof to a valve ring which surrounds the valve ring guide and moves along a longitudinal axis. The valve ring guide has a duct through which dry compressed air is conducted in the direction of the diaphragm filter and is closed off by the valve ring.

Abstract: Fill level monitoring relates to a method for controlling the fill level of a collecting vessel, wherein the collecting vessel could be filled with a dielectric medium. A fill level is monitored by a monitoring circuit with a measuring capacitor, the capacity of which changes steadily in correlation with the fill level, at least beyond a fill level range of the collecting vessel. The method includes: determining a capacity of the measuring capacitor; determining the quality of the measuring capacitor; determining a permittivity of the dielectric medium on the basis of the quality of the measuring capacitor; determining a fill level of the collecting vessel on the basis of the determined capacity of the measuring capacitor and the permittivity of the dielectric medium; and fill level-dependent drainage of the dielectric medium from the collecting vessel.

Abstract: The invention relates to a separation device (1) for separation of a constituent from a liquid mixture (5), comprising a vessel (2), an inlet (3) and at least one outlet (6), said inlet (3) being arranged above the outlet (6), a filter material (7) capable of binding the constituent and is arranged within the vessel (3) between the inlet (3) and the outlet (6) such that flow passes through the filter material (7). The filter material (7) is arranged in a cartridge (4) inserted into the vessel (3).

Abstract: The invention relates to a condensate discharge device for compressed gas systems, comprising a housing (21), which has a condensate collecting chamber (22) that can be connected to the compressed gas system by means of a condensate feed (23) and which has a condensate drain (24) that can be closed by means of valve assembly (25), and comprising a tubular body (32) protruding into the condensate collecting chamber (22) for accommodating at least one electronic filling level measuring device (31), by means of which the condensate filling level in the condensate collecting chamber (22) can be detected, wherein the housing (21) can be mounted in a first, vertical mounting position and a second, horizontal mounting position and the longitudinal axis of the tubular body (32) extends at an angle to the condensate feed direction (34).

Abstract: An adsorption dryer (20) for processing gases, in particular compressed air, having a control head (24) with valves (28), pipe connections (26) and means for receiving cartridges, and at least two cartridges (22) which can be connected to the control head (24) and are filled with adsorption means and to which a stream of fluid can be supplied, as required, via the control head (24). The cartridges (22) each have a cover (30), a cartridge casing (32), a base (34) and a central pipe (36) which extends through the cover (30) into an interior space (46) of the cartridge (22). The adsorption dryer (20) is characterized in that the cover (30), the cartridge casing (32) and the base (34) of the cartridges (22) can each be secured in place with respect to one another via the central pipe (36), the central pipe (36) in each case projects out of the cartridge (22) and serves as a connecting means for the control head (24), and the cartridge (22) itself is of compression-resistant design.

Abstract: A method for fault monitoring of a discharge valve of a condensate drainage means of a pressurized gas system includes a closing step wherein the control circuit triggers a closing movement of the valve element in the direction of the closed position, and/or an opening step wherein the control circuit triggers an opening movement of the valve element in the direction of the open position, and a subsequent step for monitoring the closed or open positions of the valve element. In the step for monitoring the closed position, a non-closed position is detected on the basis of a discharge flow of the pressurized gas, of the condensate or of mixtures thereof in the discharge region or at the valve element. In the step for monitoring the open position, a discharge flow of the pressurized gas, of the condensate or of mixtures thereof in the discharge region or at the valve element is detected.

Abstract: Fill level monitoring relates to a method for controlling the fill level of a collecting vessel, wherein the collecting vessel could be filled with a dielectric medium. A fill level is monitored by a monitoring circuit with a measuring capacitor, the capacity of which changes steadily in correlation with the fill level, at least beyond a fill level range of the collecting vessel. The method includes: determining a capacity of the measuring capacitor; determining the quality of the measuring capacitor; determining a permissivity of the dielectric medium on the basis of the quality of the measuring capacitor; determining a fill level of the collecting vessel on the basis of the determined capacity of the measuring capacitor and the permissivity of the dielectric medium; and fill level-dependent drainage of the dielectric medium from the collecting vessel.

Abstract: The invention relates to a condensate discharge device for compressed gas systems, comprising a housing (21), which has a condensate collecting chamber (22) that can be connected to the compressed gas system by means of a condensate feed (23) and which has a condensate drain (24) that can be closed by means of valve assembly (25), and comprising a tubular body (32) protruding into the condensate collecting chamber (22) for accommodating at least one electronic filling level measuring device (31), by means of which the condensate filling level in the condensate collecting chamber (22) can be detected, wherein the housing (21) can be mounted in a first, vertical mounting position and a second, horizontal mounting position and the longitudinal axis of the tubular body (32) extends at an angle to the condensate feed direction (34).

Abstract: The invention relates to a separation device (1) for separation of a constituent from a liquid mixture (5), comprising a vessel (2), an inlet (3) and at least one outlet (6), said inlet (3) being arranged above the outlet (6), a filter material (7) capable of binding the constituent and is arranged within the vessel (3) between the inlet (3) and the outlet (6) such that flow passes through the filter material (7). The filter material (7) is arranged in a cartridge (4) inserted into the vessel (3).

Abstract: An adsorption dryer (20) for processing gases, in particular compressed air, having a control head (24) with valves (28), pipe connections (26) and means for receiving cartridges, and at least two cartridges (22) which can be connected to the control head (24) and are filled with adsorption means and to which a stream of fluid can be supplied, as required, via the control head (24). The cartridges (22) each have a cover (30), a cartridge casing (32), a base (34) and a central pipe (36) which extends through the cover (30) into an interior space (46) of the cartridge (22). The 46 adsorption dryer (20) is characterized in that the cover (30), the cartridge casing (32) and the base (34) of the cartridges (22) can each be secured in place with respect to one another via the central pipe (36), the central pipe (36) in each case projects out of the cartridge (22) and serves as a connecting means for the control head (24), and the cartridge (22) itself is of compression-resistant design.

Abstract: The invention relates to an oil/water separating device (20) comprising a main filter (30) for removing oil-containing components from an oil/water mixture. The device is characterized by an additional mechanical separating device for removing slimy substances from the oil/water mixture.