Abstract: A humidifier system includes a base module comprising a wet-pack assembly, a fan module or a bypass module structured to draw air through the base module, and a cover assembly structured to couple to each of the base module and the fan module or the bypass module, where the cover assembly is structured to retain the wet-pack assembly within the base module.

Abstract: A modular humidifier system includes a base module having a frame and a wet-pack assembly, the wet-pack assembly being enclosed in the frame. The humidifier system also includes a fan module structured to draw air through the base module and a cover assembly structured to couple to each of the fan module and the base module. The frame includes a first side and a second side, where the fan module is structured to selectively couple to either the first side or the second side.

Abstract: The invention relates to an air filter for an air treatment system of a vehicle and method for manufacturing such an air filter (1), the air filter (1) comprising at least one foam filter element (2), wherein the foam filter material is or comprises a material with inherent electrostatic triboelectric charging characteristics, and to a method for manufacturing such an air filter.

Abstract: A wet-pack assembly includes a water panel, a scale control configured to surround the water panel on at least three sides, and a distribution tray disposed on a top portion of the water panel and coupled to the scale control via one or more joints. The one or more joints prevent separation of the distribution tray from the scale control. The wet-pack assembly also includes a feed tube extending from a basin formed within the scale control to the distribution tray, where the feed tube is structured to direct water flow from the basin to the distribution tray for recirculation to the water panel.

Abstract: A differential pressure metering apparatus includes a manifold for fluidically coupling impulse lines. The manifold also includes a rigid body having a base, and an arm extending from the base, with a high and low pressure channel extending through the body from a high pressure inlet to opposing first and second high pressure outlet ports, and from a low pressure inlet to opposing first and second low pressure outlet ports respectively. The manifold is configured to be mounted to a flow restrictor pipe section in a wet-line configuration, in which the first high and low pressure outlet ports define impulse line extension directions having a downward component, and the second high and low pressure outlet ports define impulse line extension directions having an upward component.

Abstract: Disclosed are a system and method for enhancing antiviral capabilities of rail vehicles using an air filter. The air filter has a filter structure including an antiviral material, the antiviral material having particles comprising silver, and, in particular, including a composition containing silver, and the antiviral material also including liposomes. Further disclosed are methods for operating air treatment systems of a rail vehicle so as enhance antiviral capabilities.

Abstract: A humidifying system includes a water panel, and a distribution tray, where the distribution tray provides water to the water panel. The system includes at least one eductor fluidly coupled to the distribution tray and a scale control tray. The system also includes a valve assembly fluidly coupled to a water supply at a first inlet and is fluidly coupled to the at least one eductor via an outlet, where the valve assembly controls water flow through the at least one eductor. The valve assembly includes a second inlet in fluid communication with the scale control tray, where a wastewater flow from the scale control tray through the second inlet is controlled by a first valve and a freshwater flow from the water supply through the first inlet is controlled by a second valve. A configuration of the first valve is based on an operational state of the second valve.

Abstract: A pump may generally include a frame including a reservoir. The reservoir stores a hydraulic fluid. The pump may also include a motor assembly supported by the frame and a pump assembly operably driven by the motor assembly. The pump assembly is in fluid communication with the reservoir and configured to dispense the hydraulic fluid out of the frame. The pump assembly includes a first piston and a second piston, wherein the first piston dispenses hydraulic fluid out of the frame between a first pressure and a second pressure greater than the first pressure, and the second piston dispenses hydraulic fluid out of the frame between the first pressure and a third pressure, the third pressure being greater than the second pressure.

Abstract: A system and method is provided for monitoring a hydraulic power system having at least one light emitter and a button. The method includes powering on the hydraulic power system, receiving an actuation at the button and detecting a release of the button after a first time interval, and entering a diagnostic state. The method further includes retrieving a code and displaying the code by turning on the emitter in a first pattern. In some embodiments, a system and method is provided for regulating a temperature of a hydraulic power system. In some embodiments, a system and method is provided for controlling operation of a hydraulic torque wrench.

Abstract: A pump may generally include a frame including a reservoir. The reservoir stores a hydraulic fluid. The pump may also include a motor assembly supported by the frame and a pump assembly operably driven by the motor assembly. The pump assembly is in fluid communication with the reservoir and configured to dispense the hydraulic fluid out of the frame. The pump assembly includes a first piston and a second piston, wherein the first piston dispenses hydraulic fluid out of the frame between a first pressure and a second pressure greater than the first pressure, and the second piston dispenses hydraulic fluid out of the frame between the first pressure and a third pressure, the third pressure being greater than the second pressure.

Abstract: A system and method is provided for monitoring a hydraulic power system having at least one light emitter and a button. The method includes powering on the hydraulic power system, receiving an actuation at the button and detecting a release of the button after a first time interval, and entering a diagnostic state. The method further includes retrieving a code and displaying the code by turning on the emitter in a first pattern. In some embodiments, a system and method is provided for regulating a temperature of a hydraulic power system. In some embodiments, a system and method is provided for controlling operation of a hydraulic torque wrench.

Abstract: A differential pressure metering apparatus includes a manifold for fluidically coupling impulse lines. The manifold also includes a rigid body having a base, and an arm extending from the base, with a high and low pressure channel extending through the body from a high pressure inlet to opposing first and second high pressure outlet ports, and from a low pressure inlet to opposing first and second low pressure outlet ports respectively. The manifold is configured to be mounted to a flow restrictor pipe section in a wet-line configuration, in which the first high and low pressure outlet ports define impulse line extension directions having a downward component, and the second high and low pressure outlet ports define impulse line extension directions having an upward component.

Abstract: A system and method is provided for monitoring a hydraulic power system having at least one light emitter and a button. The method includes powering on the hydraulic power system, receiving an actuation at the button and detecting a release of the button after a first time interval, and entering a diagnostic state. The method further includes retrieving a code and displaying the code by turning on the emitter in a first pattern. In some embodiments, a system and method is provided for regulating a temperature of a hydraulic power system. In some embodiments, a system and method is provided for controlling operation of a hydraulic torque wrench.

Abstract: A drive system for an industrial tool (e.g., a hydraulic torque wrench) includes a cylinder, a first piston, a first rod, a second piston, and a second rod. The cylinder includes a first end, a second end, and a longitudinal axis extending therebetween. The first piston is disposed within the cylinder and movable along the longitudinal axis. The first rod is coupled to the first piston and extends toward the first end of the cylinder. The second piston is disposed within the cylinder and movable along the longitudinal axis. The second rod is coupled to the second piston and extends toward the first end of the cylinder.

Abstract: A self-contained pump system for supplying pressurized fluid to a remote actuator includes a handle portion adapted to be grasped by a user. The pump system also includes a brushless DC motor and a battery that has a nominal voltage of at least 60 V. The battery is operable to supply power to the motor. A 3-stage pump assembly is driven by the motor and operable to discharge hydraulic fluid that has a pressure and a flow rate.