Abstract: Improved radial pneumatic regulator systems, devices and methods are described herein. Embodiments may comprise regulators with adaptive radial seals to prevent air leakage, provide increased air supply use efficiency, and facilitate more efficient manufacture and assembly of systems. The regulator systems may be used in applications such as for pneumatic power tools.

Abstract: The present disclosure provides a compressor system having at least one fluid compressor for compressing a working fluid. A lubrication supply system is operable for supplying lubrication fluid to the compressor. A closed loop cooling system using R718 refrigerant is provided to cool the working fluid. The closed loop cooling system includes a refrigerant compressor for compressing the refrigerant, a condenser operable for receiving compressed refrigerant gas and removing heat to form liquid refrigerant, and an expansion device for expanding and cooling the liquid refrigerant into a cooled gaseous refrigerant.

Abstract: An electronic tool for copying a plurality of settings from a first mechanical tool to a second mechanical tool comprises: a smart device having a processor, and having a non-transitory memory storing program instructions executable on the processor. The program instructions are configured, when executed on the processor, to: read the plurality of settings from the first mechanical tool; and write the plurality of settings to the second mechanical tool.

Abstract: A fixation system that is structured to secure one or more permanent magnets to a rotor core. The fixation system may include one or more retention wedges that exert an interference or press fit against the permanent magnets to secure the permanent magnets to the rotor core. At least a portion of the retention wedges may be secured within axially extending channels in the rotor core. Additionally, the permanent magnets may be separated from each other by eddy current shields, which may also be retained in position by the retention wedges. The fixation system may also include a magnet pressure or fixation sleeve that exerts a radially inwardly directed force against the magnets and is free from direct contact with the retention wedges. According to certain embodiments, the magnet pressure or fixation sleeve may be shrink fitted onto at least a portion of the rotor core and/or the permanent magnets.

Abstract: Unique systems, methods, techniques and apparatuses of power amplifiers are disclosed. One exemplary embodiment is a power system for an active magnetic bearing including at least one power amplifier. Each power amplifier includes a first semiconductor device including a first node coupled to a neutral point node and a second node, a second output node coupled to the neutral point node, a second semiconductor device including a first node coupled to the second node of the first semiconductor device and a second node coupled to a first output node, a third semiconductor device including a first node coupled to a first DC bus node and a second node coupled to the first output node, and a fourth semiconductor device including a first node coupled to a second DC bus node and a second node coupled to the second node of the first semiconductor device.

Abstract: Illustrative embodiments of diaphragm pumps including a sensor mount are disclosed. In one illustrative embodiment, a diaphragm pump may include a shaft disposed within a pump housing and coupled to at least one diaphragm, a mount removably attached to the pump housing and having a sensor receptacle, and a proximity sensor received in the sensor receptacle of the mount such that a sensing end of the proximity sensor is flush with an end of the sensor receptacle nearest the shaft.

Abstract: The present disclosure provides a compressor system operable for compressing a working fluid such as air. A conditioner is positioned upstream of the compressor to reduce the humidity and in some embodiments may control a temperature of the working fluid entering the compressor. A working fluid aftercooler and a lubricant cooler is positioned downstream of the compressor. A first heat exchange system directs water from a source through the conditioner and then to the aftercooler and oil cooler in parallel. A second heat exchange system directs oil from the compressor to the oil cooler and then to a regenerator prior to reentry into the compressor. A control system with one or more control valves is configured to provide oil to the compressor at a target temperature defined to ensure that the temperature of the discharged compressor is above a pressure dew point temperature.

Abstract: A system for drying compressed gas discharged from a gas compressor is disclosed herein. The dryer system includes a desiccant drying circuit and a refrigeration drying circuit configured to transport the compressed gas in parallel through the dryer system. The desiccant drying circuit and a refrigeration drying circuit are operable for removing moisture from the compressed gas and supplying a dried gas to an end user.

Abstract: A powered tool is depicted which includes a transmission that permits an input shaft to rotate in a single rotational direction during operation of the powered tool, but otherwise allowing the rotation of an output shaft to change direction depending on the arrangement of the transmission. In one form a first shaft is coupled with a planetary gearing arrangement which includes planetary gears and a ring gear. A second shaft is coupled with a moveable clutch. When the clutch is moved to a first position it is coupled to bypass the ring gear which provides rotation of the second shaft in the same direction as the first shaft. When the clutch is moved to a second position to engage the ring gear the direction of rotation of the second shaft is opposite the first shaft.

Abstract: A method of making a permanent magnet rotor includes interference fitting pressure tools into bores in a rotor core as to deform material of the rotor core outwardly to bias permanent magnets mounted thereon in a radially outward direction against a fixation sleeve.

Abstract: The application is directed to a compressor having a housing with a fluid compression region to rotatably support a compressor rotor. The housing includes an inner wall formed as a thin wall positioned about the compression region and an outer wall spaced radially outward of the inner wall. A cooling chamber is formed in a space between the inner and outer walls. A rib formed on the inner wall projects into the cooling chamber to provide structural support and prevent thermal deformation of the thin inner wall during compressor operation.

Abstract: The present disclosure provides a system including an oil flooded compressor operable for compressing a working fluid. A dehumidifier is positioned upstream of the compressor to reduce the humidity of working fluid entering the compressor and to cool oil while regenerating the dehumidifier. A heat exchanger positioned upstream of the compressor includes passageways for oil and compressible working fluid to be transported in a heat transfer relationship therethrough such that the temperature of the oil is reduced within the heat exchanger. A control system including an electronic controller is operable for controlling an inlet temperature of the oil entering the compressor, controlling an inlet temperature and humidity of working fluid entering the compressor and a discharge temperature of the working fluid exiting the compressor.

Abstract: An air flow hour meter is provided. The air flow hour meter includes a passage configured to receive a pressurized fluid flow therethrough. An obstruction in the passage can be positioned in the fluid flow. A sensor in communication with the fluid flow can be configured to measure a pressure differential of the fluid flow between a first point and a second point of the passage. A microprocessor can be configured to calculate the signal-to-noise ratio of the sensor, and a timer can be configured to activate when the signal-to-noise ratio falls below a predetermined limit and otherwise deactivate.

Abstract: An aspect of the present disclosure includes a multi-stage compressor having a low pressure compressor stage and a high pressure compressor stage operable for compressing a working fluid. An integrated device including a heat exchanger directly connected to a combination unit is operable for reducing pressure pulsations, cooling and separating moisture in a first compressed flow stream and a second compressed flow stream discharged from the low pressure stage and the high pressure stage respectively. A first pressure pulsation dampener, a first moisture separator, a second pressure pulsation dampener and a second moisture separator are integrally formed within the combination unit.

Abstract: A pump configured to move fluid from one location to another location is provided. The pump includes a pump housing. The pump housing is composed of a wall structure. The wall structure includes a first laminar portion of a thickness of the wall structure composed of a resin that does not include any reinforcing fibers. The wall structure also includes a second laminar portion of the thickness of the wall structure that is composed a resin with reinforcing fibers dispersed through the resin.

Abstract: A hand-held power tool is provided that includes a housing, a motive source, a front endbell, an output shaft, a front housing, and a gear set assembly. The output shaft protrudes from an output end at the front endbell of the housing. The output shaft is also functionally coupled to the motive source such that the output shaft rotates in response to activation of the motive source when the motive source is supplied with power. The gear set assembly is located in an interior space of the front housing, and is configured to transfer rotation from the motive source to an output spindle. The gear set assembly also includes a ring gear that surrounds a portion of the output shaft and abuts the front endbell of the housing. A set of piloting features is provided that is configured to prevent movement of the ring gear relative to the motive source and the front housing, or the front housing relative to the housing.

Abstract: During the process of compressing air, atmospheric air along with water vapor and airborne contaminants are ingested into the air compressor. Many of these compressors utilize oil for lubrication, sealing and cooling. A compressor system utilizes drain valves to remove the condensate that accumulates in the system which are typically located on the compressor, moisture separators, coalescing filters, receivers, dryers, and drip legs. While the drain valves successfully remove the condensate, this condensate is now contaminated with lubricant. The compressor system also includes a filter for the removal of lubricant from the condensed water so that the water can be discharged to sewer. The filter is arranged to house a series of vertically stacked filter cartridges, each cartridge structured to pass fluid flow to the other cartridge. The housing and the cartridges each having registration surfaces to position the filter within the housing and discourage removal of the same.

Abstract: A hand-held power tool is provided that includes a motive source, a user interface, and one or more sensors. The motive source includes a printed circuit board (PCB) configured to support electrical components of the motive source. The user interface is movable between a plurality of mode positions to select one of a plurality of operational modes of the motive source. And one or more sensors are mounted on the PCB and are configured to detect the plurality of mode positions of the user interface.

Abstract: During the process of compressing air, atmospheric air along with water vapor and airborne contaminants are ingested into the air compressor. Many of these compressors utilize oil for lubrication, sealing and cooling. A compressor system utilizes drain valves to remove the condensate that accumulates in the system which are typically located on the compressor, moisture separators, coalescing filters, receivers, dryers, and drip legs. While the drain valves successfully remove the condensate, this condensate is now contaminated with lubricant. The compressor system also includes a filter for the removal of lubricant from the condensed water so that the water can be discharged to sewer. The filter is arranged to house a series of vertically stacked filter cartridges, each cartridge structured to pass fluid flow to the other cartridge. The housing is connected to the filter cartridges via a variable length pipe extension dependent on the number of filter cartridges used in an application.

Abstract: The present disclosure is directed to a dryer system for drying compressed gas discharged from a compressor. The dryer system includes a refrigeration drying system operable for removing moisture from the compressed gas and a desiccant drying system with a desiccant wheel located in series downstream of the refrigeration drying system operable for removing additional moisture from the compressed gas.