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公开(公告)号：US11635108B2
公开(公告)日：2023-04-25
申请号：US17851922
申请日：2022-06-28
IPC分类号： F16C17/03
摘要： A hydrodynamic bearing in the form of a flex pad bearing includes configurations structured to change a bearing characteristic. One form of the bearing includes a nonlinear back wall that includes a circular arc and a transition, where the back wall extends radially outward of a ligament. The bearing can include an opening for the deposit of a weighted mass, wherein the opening can threadingly receive a threaded weighted mass. In one form a sidewall that includes the back wall segment can have an average outer radius which determines a thickness of the flex pads.
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公开(公告)号：US11467563B2
公开(公告)日：2022-10-11
申请号：US16996428
申请日：2020-08-18
发明人： John J. Linehan , Ashok Muralidhar , Manivasagan Krishna Pillay , Madhusudhana Rao R V , Nfn Habibullah
IPC分类号： G05B19/00 , G05B19/4155
摘要： 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.
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公开(公告)号：US11434902B2
公开(公告)日：2022-09-06
申请号：US16723425
申请日：2019-12-20
发明人： Daniel Brocker , Ziv Arzt , James Simmons , Spencer J. Lynn Zeedyk , Allen G. Braggs , Warren A. Seith
IPC分类号： F04C2/07 , F04B15/02 , F04C11/00 , F04B45/047 , F04B43/02
摘要： A diaphragm pump having a crankshaft that is rotatable about a rotational axis and coupled to a piston. The piston is reciprocally displaceable within a piston cylinder along an axis of motion between suction and discharge strokes. A diaphragm housing coupled to the piston cylinder at least partially defines a pumping chamber through which fluid is pumped as the piston reciprocates. The axis of motion, which intersects a connection between the piston and the connecting rod, may not intersect the rotational axis of the crankshaft such that, relative to an arrangement in which the axis of motion does intersect the rotational axis, a peak magnitude of piston side load forces during the discharge stroke is reduced and a peak magnitude of piston side load forces during the suction stroke is increased so as to attain an improved balance between the peak magnitudes of piston side load forces of the discharge and suction strokes.
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公开(公告)号：US20220233998A1
公开(公告)日：2022-07-28
申请号：US17718411
申请日：2022-04-12
发明人： Charles John Bergh
摘要： 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.
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公开(公告)号：US20220168879A1
公开(公告)日：2022-06-02
申请号：US17672085
申请日：2022-02-15
摘要： Illustrative embodiments of impact tools with impact mechanisms rigidly coupled to electric motors are disclosed. In at least one illustrative embodiment, an impact tool may comprise an impact mechanism, an electric motor, and a control circuit. The impact mechanism may comprise a hammer and an anvil, the hammer being configured to rotate about a first axis and to periodically impact the anvil to drive rotation of the anvil about the first axis. The electric motor may comprise a rotor that is rigidly coupled to the impact mechanism, the electric motor being configured to drive rotation of the hammer about the first axis, The control circuit may be configured to supply a current to the electric motor and to prevent the current from exceeding a threshold in response to the hammer impacting the anvil.
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公开(公告)号：US20220145885A1
公开(公告)日：2022-05-12
申请号：US17525133
申请日：2021-11-12
摘要： A positive displacement roots blower can include a housing having an inlet structured to receive an incoming flow of a fluid, an outlet structured to receive an outgoing flow of the fluid, and a passage. The positive displacement roots blower can also include a pair of intermeshed rotating members supported for complementary rotation within the housing, where the rotating members and the housing form respective operating volumes there between which rotate with the rotating members. Each of the respective operating volumes has the following regions: (1) open to inlet/closed to outlet; (2) closed to inlet/closed to outlet; and (3) closed to inlet/open to outlet. The passage includes a restriction and connects to at least one of the operating volumes when the at least one of the respective operating volumes is in region (2). The restriction can be a venturi feedback connecting to the outlet.
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公开(公告)号：US20220105611A1
公开(公告)日：2022-04-07
申请号：US17064764
申请日：2020-10-07
IPC分类号： B25B23/147 , B25B21/02
摘要： A power tool and method of determining torque is provided. The method of determining torque uses the energy output by the drive mechanism and the angle of rotation of the output shaft to estimate torque. The energy is determined by subtracting efficiency losses (or gains) from a nominal energy of the drive mechanism in order to improve the torque estimation.
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公开(公告)号：US20220088533A1
公开(公告)日：2022-03-24
申请号：US17025446
申请日：2020-09-18
发明人： Henry Y. Mark , Scott A. Johnson , Stefano Vezil
IPC分类号： B01D53/26
摘要： An air drying unit for compressed air systems is provided. The air drying unit has a precooler/reheater, a main cooler and a moisture separator. Incoming air is cooled to cause moisture within the compressed air to condense, which is then separated to dry the compressed air. The precooler/reheater, main cooler and moisture separator are designed as an integral unit that does not require pipes to connect the components together. Instead, compressed air flows through the sealed unit through passages therein between the precooler/reheater, main cooler and moisture separator.
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公开(公告)号：US11278834B2
公开(公告)日：2022-03-22
申请号：US16229739
申请日：2018-12-21
摘要： A filter system can include a replaceable filter cartridge having a spinner element structured to swirl a mixed flow of compressible fluid and oil, as well as an end cap used to enclose an open interior of a filter media of the filter cartridge. The filter cartridge can be configured to interface with and be supported by a mesh holder. A housing can be attached over the filter cartridge to enclose the system and create a flow path for a mixed flow of compressible fluid and oil. The replaceable filter cartridge can be constructed of materials suitable for disposal in a waste incineration process. The mesh holder can be inserted on a combo-block and secured in place by a compression fitting. A stand pipe can extend into the interior of the filter media and be coupled with a central passage of the mesh holder.
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公开(公告)号：US11229071B2
公开(公告)日：2022-01-18
申请号：US16552205
申请日：2019-08-27
摘要： A communication method is provided for communicating data between a tool and a controller. The method includes establishing communication between the tool and the controller using a first wireless communication protocol. Once wireless communication has been established, the tool and the controller switch to a new wireless communication protocol that is different from the first protocol. Operational settings are then wirelessly communicated by the controller to the tool using the second protocol.
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