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公开(公告)号：US20210095883A1
公开(公告)日：2021-04-01
申请号：US16587542
申请日：2019-09-30
发明人： Henry Y. Mark , Stefano Vezil , Charles John Bergh
摘要： A compressed air drying system is provided for removing moisture from compressed air. The drying system is a modular system with multiple drying units arranged parallel to each other. The drying units cool the compressed air and remove moisture from the compressed air. In order to limit the number of drying units used during low demand periods, a separate air valve is included for each drying unit to control the flow of compressed air through the respective drying units.
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公开(公告)号：US20200039037A1
公开(公告)日：2020-02-06
申请号：US16590296
申请日：2019-10-01
摘要： The present invention provides methods and systems an impact wrench having dynamically tuned drive components, such as an anvil/socket combination, and related methodology for dynamically tuning the drive components in view of inertia displacement, as well as stiffness between coupled components, and with regard to impact timing associated with clearance gaps between the component parts.
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公开(公告)号：US10464202B2
公开(公告)日：2019-11-05
申请号：US13769483
申请日：2013-02-18
摘要： Power tools with housings or hammer cases include a thin wall titanium shell tapering from a smaller forward section to a larger rearward section; with at least the rearward section having a wall with a substantially constant wall thickness and an interface flange that includes an outer perimeter profile that is curvilinear and defines a plurality of outwardly extending detents that provide an interference fit with the wall of the hammer case.
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公开(公告)号：US10447113B2
公开(公告)日：2019-10-15
申请号：US15995644
申请日：2018-06-01
摘要： In at least one illustrative embodiment, a power tool may comprise an electric motor comprising a rotor configured to rotate about an axis, a stator assembly including at least three windings arranged around the rotor, and at least three lugs affixed to the stator assembly, where each of the lugs is electrically coupled to one or more of the windings. The lugs may all be arranged to one side of a plane that passes through the axis. The power tool may further comprise at least three electrical wires, where each of the electrical wires is removably coupled to one of the lugs, and a control circuit configured to supply electrical power to the windings, via the electrical wires and the lugs, to drive rotation of the rotor about the axis.
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5.发明授权公开(公告)号：US10443898B2
公开(公告)日：2019-10-15
申请号：US15337634
申请日：2016-10-28
摘要： An air compressor system useful for supplying a stream of compressed air for an end user is disclosed which includes a refrigerated dryer useful to remove moisture and harvest it from the compressed air. The refrigerated dryer includes an evaporator and a condenser, where the evaporator is useful to produce the moisture from the compressed air. The air compressor system includes an expansion tank which collects the harvested moisture from the evaporator and a supply line from a utility water supply, both of which can be used to provide liquid to a condenser of the dryer. A valve is used to bring together either or both of the condensate from the expansion tank and water from the utility water supply. The valve includes an outlet that provides liquid to a condenser of the dryer.
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公开(公告)号：US10427921B2
公开(公告)日：2019-10-01
申请号：US15891559
申请日：2018-02-08
发明人： Paul M. Codd , Anthony A. Jones
摘要： In at least one illustrative embodiment, a winch may include first and second end frames, a drum coupled between the first and second end frames and configured to rotate to wind or unwind a cable, a brake configured to resist rotation of the drum when engaged, a switch configured to cause the brake to engage the drum when the switch is activated, a slack arm frame having a first end engaged with the cable and a second end pivotally coupled between the first and second end frames, where the slack arm frame is configured to pivot between a first position when the cable is taut and a second position when the cable is slack, and a cam coupled to the slack arm frame and configured to rotate with the slack arm frame to activate the switch when the slack arm frame is in the second position.
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公开(公告)号：US10427277B2
公开(公告)日：2019-10-01
申请号：US15290957
申请日：2016-10-11
摘要： The present invention provides methods and systems an impact wrench having dynamically tuned drive components, such as an anvil/socket combination, and related methodology for dynamically tuning the drive components in view of inertia displacement, as well as stiffness between coupled components, and with regard to impact timing associated with clearance gaps between the component parts.
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公开(公告)号：US20190262977A1
公开(公告)日：2019-08-29
申请号：US15903426
申请日：2018-02-23
发明人： WARREN A. SEITH
摘要： An impact tool of the present disclosure provides an impact mechanism having a hammer and an anvil, the hammer being rotatable about a first axis and to periodically impact the anvil to drive rotation of the anvil about the first axis. The electric motor includes a plurality of pole pairs of windings and a rotor that is rotatable with respect to consecutively energized pole pairs of windings. No encoder or sensor is electronically coupled to the electric motor to detect a position of at least one magnet attached to the rotor with respect to at least one pole pair when the rotor is in a stopped condition. When the rotor is in the stopped condition, the motor controller energizes the at least one pole pair to initiate rotation and detect a back EMF generated by movement of the rotor without a sensor or encoder to indicate the predetermined location of the at least one magnet attached to the rotor with respect to the at least one pole pair.
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9.发明申请公开(公告)号：US20190072265A1
公开(公告)日：2019-03-07
申请号：US16182530
申请日：2018-11-06
CPC分类号： F21V29/70 , H05B33/0803 , H05B33/0818
摘要： A light emitting apparatus having a housing including a portion defining a thermally conductive outer surface, a light source positioned within the housing, and an internal heat sink thermally coupling the light source and the thermally conductive outer surface portion of the housing. The light source may be a solid state device, such as a light emitting diode.
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公开(公告)号：US10208754B2
公开(公告)日：2019-02-19
申请号：US14878557
申请日：2015-10-08
摘要： 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.
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