Abstract: A suction apparatus includes a suction apparatus housing, including a filter for cleaning a suction flow, wherein the suction apparatus housing has at least one filter fastening element for securing the filter to the suction apparatus housing, and including a filter cleaning device for mechanically cleaning the filter. The filter, the filter fastening element and the filter cleaning device are arranged within the suction apparatus housing. The filter cleaning device includes an actuation device and a hammer device. The actuation device and the hammer device interact such that the hammer device can be actuated by using the actuation device and, when actuated, the hammer device applies at least one pulse to the filter securing element.

Abstract: Disclosed is a method and system for the mitigation of risk of exposure to contaminants and providing information thereof. The method and system thereby follow the National Institute for Occupational Safety and Health (NIOSH) Hierarchy of Controls to implement a method and system to optimize safety guidelines and increase mitigation effectiveness.

Abstract: Compressor installation with a liquid-injected compressor device with a compressor element with an outlet pipe connected to an outlet of the compressor element, with a liquid separator in the outlet pipe which includes an inlet and an outlet for compressed gas and an outlet for separated liquid and with a dryer connected to the outlet pipe which uses a desiccant for drying compressed gas of the compressor device. The dryer is provided with a drying section and a regeneration section with an entry and an exit for regeneration gas. A regeneration pipe is connected to the entry and a heat exchanger is provided in the regeneration pipe with a primary section through which the regeneration gas is guided. A secondary section of the heat exchanger is mounted in the compressor device. The compressor installation is provided with means to regulate the amount of liquid injected in the compressor element.

Abstract: A phase separator includes an inlet of an inlet duct to receive two-phase flow from a two-phase flow source that is in line with the inlet duct. The two-phase flow includes gas and liquid. The phase separator also includes a liquid permeable membrane arranged at an outlet of the inlet duct to pass the liquid for capture while diverting the gas to result in an annular flow of the gas around the liquid permeable membrane. An outlet of an outlet duct outputs the gas that is separated from the liquid and that results in the annular flow of the gas.

Abstract: The technology disclosed herein relates to a filter element having a first endcap, a second endcap, and filter media extending between the first endcap and the second endcap. The filter media defines a central opening and is coupled to the first endcap and the second endcap. A filter cover is coupled to the first endcap, and a breather filter is integral to the filter cover. The breather filter defines a first flow face and a second flow face. The filter element defines an airflow pathway from ambient environment through the first flow face and the second flow face.

Abstract: An air filter element for an air filter for an internal combustion engine is provided with a filter medium surrounding annularly a longitudinal axis of the air filter element. A first end disk is provided at a first end face of the air filter element, wherein the filter medium is embedded in the first end disk at the first end face. A clean air seal is configured to seal a raw side of the air filter against a clean side of the air filter. The clean air seal and the first end disk are embodied together as one piece. The clean air seal protrudes continuously radially past the filter medium. A filter housing for the air filter element is provided with a filter pot and a cover and has a clean air outlet and a raw air inlet arranged at a side wall of the filter pot.

Abstract: Degassers, degassing systems, and methods of using degassers to remove gas molecules entrapped or dissolved in a processing liquid. The degasser has a vacuum chamber with one or more walls; one or multiple inlets and one or multiple outlets through which the liquid is respectively passed into and out of the vacuum chamber, the inlet(s) and the outlet(s) penetrating the one or more walls; one or multiple separators located inside the vacuum chamber and being pervious to the gas molecules but impervious to the liquid; at least one vacuum for applying through a vacuum port a pressure differential across the separator(s) to cause the gas molecules to leave the liquid and to permeate through the separator(s) thereby removing the entrapped or dissolved gas from the liquid; and optionally one or multiple feed lines in fluid communication with the inlet(s) and two or more than two separators.

Abstract: Compressor system provided with a compressor device with at least one compressor element with an outlet for compressed gas, an outlet line connected to this compressor device for the compressed gas, and a dryer connected to said outlet line of the type using a drying agent or desiccant for drying the compressed gas from the compressor system. The dryer is provided with a drying section and a regeneration section with an inlet and an outlet for a regeneration gas. A regeneration line is connected to the inlet of the regeneration section. The regeneration line includes a first heat exchanger for heating the regeneration gas. A secondary section of said first heat exchanger forms a condenser of a heat pump. An evaporator of the heat pump is provided in the compressor system.

Abstract: A near ceiling mounted NBC filtration system of collective protection shelters comprising a filter unit, a blower, and an air exchange backup unit [20] (FIG. 5). The air exchange backup unit [20] comprising: a plurality of hinged segments [22a, b, c] serially linked to each other to form a foldable arm. The hinged segments [22a, b, c] are configured for transmission of rotational motion between each other. At least one of the hinged segments comprises at least one stage of a first speed increasing transmission. A first end [24] of the air exchange backup unit is swiveably attached to an electric motor [42] driving a blower [40]. And a second end [26] of the air exchange backup unit carries a detachable hand crank [28]. Manual rotation of the hand crank [28] rotates a shaft of the electric motor [42] at substantially a rated speed of the electric motor.

Abstract: A filter system (100) having a housing (110), a fluid inlet (102) formed in a housing wall (112), a fluid outlet (108) formed in a housing wall (120), a primary filter element (50) and a secondary filter element (10). The secondary filter element (10) arranged on a stand pipe (150) rigidly connected to one of the housing walls (120). The primary filter element (50) comprises a first end cap (52) at its top region (53) and a second end cap (54) at its bottom region (55). The housing wall (120) accommodates the stand pipe (150) and the bottom region (55) of the primary filter element (50), which are configured with mutual self-positioning elements (92, 62) to accommodate the primary filter element (50) on the housing wall (120) in a defined rotational position with respect to one or more struts (170) of the stand pipe (150).

Abstract: Drying device for drying compressed gas which includes at least two vessels with regenerable desiccant and an adjustable valve system which is such that a vessel can dry compressed gas, while the other vessel is being regenerated, whereby by regulating the valve system, the vessels can each in turn dry gas. The drying device includes a regeneration pipe for supplying a regeneration gas which runs from an outlet for dried gas to the valve system, and in which heating means are provided, whereby the drying device is provided with a return pipe for returning the regeneration gas to an inlet, running from the valve system to an inlet pipe which connects to said inlet and in which a venturi ejector is mounted, to which said return pipe is connected, and that regulating means are provided for regulating the flow of gas going through the venturi ejector.

Abstract: Air cleaner assemblies, components therefor, and features thereof are described. Also described are methods of assembly and use. In depicted examples, the air cleaner assemblies and components optionally use advantageous housing seal features. Methods of assembly and use are described.

Abstract: A gas processing vessel of cylindrical shape having a cylindrical shell of the vertical axis, a gas distribution device and a first particulate material, the distribution device being fixed in the vessel next to a gas inlet or outlet orifice recessed into a lower end wall, a cover being designed to be in contact without a weld with the lower end wall and having a diameter greater than or equal to one third of the diameter of the vessel, a second particulate material with an equivalent diameter De greater than or equal to 10 mm and greater than the dimensions of the openings in the cover, and a means for centering the cover above the inlet or outlet orifice, the means being fixed to the pipe that is connected to the orifice.

Abstract: The tube-shaped pleated filter member may comprise: a filter body having a tube shape such that a filter medium is pleated and is wound; and a support unit. The filter body may comprise outer pleated portions corresponding to the outside of the tube shape, and inner pleated portions corresponding to the inside of the tube shape. An inner virtual line connecting corners of the inner pleated portions may have the shape in which a unit wave shape recessed in the outward direction is repeated. Assuming, that the thickness at a part having the maximum distance between the inner virtual line and the outer virtual line is a first thickness (T1), the first thickness (T1) may have a range defined by [equation 1] with regard to the diameter (D) of the outer virtual line. D/15?T1?D/6.

Abstract: A dirt collecting box assembly includes a dirt collecting box and a separating device. The dirt collecting box defines a dirt inlet, an air outlet, and a cavity, and the cavity communicates between the dirt inlet and the air outlet. The separating device is installed in the cavity of the dirt collecting box and is close to a top of the cavity. The separating device communicates between the dirt inlet and the air outlet. The air outlet communicates a fan assembly, and the fan assembly is configured to generate negative pressure through the air outlet, such that waste water enters the separating device via the dirt inlet under the negative pressure, and enters the cavity of the dirt collecting box after solid-liquid separation of the separating device.

Abstract: A method of forming a degassing system includes the step of forming a bundle of hollow tube membrane members by wrapping hollow tube membrane members to form the bundle at a temperature above 100° F. (38° C.). Another method of forming a degassing system includes the step of the inserting bundle into an outer canister at a temperature above 100° F. (38° C.). A fuel supply system made by these methods is also disclosed.

Abstract: The present disclosure relates to a removable filter system for removably coupling a filter unit to an air supply unit provided in a boiler. The filter unit is detachably coupled to the air supply unit, so that after removing the contaminated filter unit coupled to the air supply unit, a new filter unit can be coupled to the air supply unit or the existing filter unit can be reused after removing contaminants remaining in the filter.

Abstract: A liquid separator (10) has a horizontal main pipe (100) and a collecting basin (200) arranged sealingly on the underside of the main pipe (100). A partition wall (310) extends transverse to the main pipe (100) and divides the collecting basin (200) into first and second basin chambers (210, 220). The first basin chamber (210) is connected to the interior of the main pipe (100) via passage openings (320), and the second basin chamber (220) has an outlet opening (230). The partition wall (310) extends sealingly on the underside of the main pipe across the width of the collecting basin (200) and has a connecting opening interconnecting the first and second basin chambers (210, 220) in a fluid-conducting manner. The second basin chamber (220) has no direct connection to the interior of the main pipe (100) and the outlet opening is higher than an upper edge of the connection opening.

Abstract: An assembly for pleating a filter media sheet and using the assembly with a pleated filter media as a filter for filtration units. The assembly includes a male member and a female member. The male member includes several pleat ridges arranged in rows and columns and the female member includes several pleat valleys arranged in rows and columns. The filter media sheet can be placed over the female member and a last column of pleat ridges can be gently pressed over a first column of pleat valleys, such that the first column is within the last column, respectively. The step can be repeated incrementally till the last column of the pleat ridges is within the last column of the pleat valleys progressively forming a pleated filter media sandwiched between the male member and the female member.

Abstract: A dehumidification rotor 1, a desiccant air conditioner 2, a first post-regeneration exhaust pipeline 3 supplying post-regeneration exhaust from a regeneration zone 1b of the dehumidification rotor, a purge air supply pipeline 4 supplying purge air from the desiccant air conditioner to a purge zone of the dehumidification rotor, and a regeneration air supply pipeline 7 supplying regeneration air from the purge zone to the regeneration zone are provided. The desiccant air conditioner comprises a second post-regeneration exhaust pipeline 5 and an outdoor air intake pipeline 6. An indoor air intake pipeline supplying air of a dry room 9 to an absorption zone 1a of the dehumidification rotor 10, a first dry air supply pipeline 11 supplying dry air from the absorption zone to the dry room, and a second dry air supply pipeline 14 supplying dry air from the desiccant air conditioner to the indoor air intake pipeline are provided.