APPARATUS FOR MEASURING AN IMPEDANCE OF LOAD
    183.
    发明申请

    公开(公告)号:US20200341040A1

    公开(公告)日:2020-10-29

    申请号:US16777476

    申请日:2020-01-30

    Abstract: The present application relates to apparatus (400, 500) for measuring an impedance of an electrical load (300) that is configured to be coupled to a controlled current source (200). The apparatus (400, 500) comprises a first coupling node (402) configured to be coupled to a first terminal (302) of the load (300) and a second coupling node (404) configured to be coupled to a second terminal (304) of the load (300). The apparatus further comprises a transformer (406) having a primary winding (408) and a secondary winding (410) and a capacitance (412) connected in series between a first terminal (414) of the secondary winding (410) and the first coupling node (402). A second terminal (416) of the secondary winding (410) is connected to the second coupling node (404). The apparatus further comprises a processing unit (424) is configured to control an excitation signal that is applied to the primary winding (408) so as to cause a variation, corresponding to the excitation signal, in an input current of the load (300), measure the input current and an input voltage of the load (300), and, based on the measured input current and input voltage, determining the impedance of the load (300).

    Tool extensions
    184.
    发明授权

    公开(公告)号:US10780558B2

    公开(公告)日:2020-09-22

    申请号:US14242353

    申请日:2014-04-01

    Abstract: Illustrative embodiments of tool extensions and methods of using such tool extensions are disclosed. In at least one illustrative embodiment, a tool extension may comprise a drive core configured to transfer rotational torque from a first end to a second end opposite the first end, where the first end is configured to be removably coupled to a tool to receive rotational torque from the tool, the second end is configured to be removably coupled to a fastener to supply rotational torque to the fastener, and the drive core is bendable between the first and second ends. The tool extension may further comprise a shell surrounding the drive core and containing an electro-rheological (ER) fluid configured to transition between a flexible state in which the shell permits bending of the drive core and a rigid state in which the shell resists bending of the drive core.

    HYBRID LOW DEW POINT COMPRESSED AIR DRYER
    185.
    发明申请

    公开(公告)号:US20200222850A1

    公开(公告)日:2020-07-16

    申请号:US16834652

    申请日:2020-03-30

    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.

    Air flow hour meter
    186.
    发明授权

    公开(公告)号:US10713858B2

    公开(公告)日:2020-07-14

    申请号:US15675246

    申请日:2017-08-11

    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.

    Away mode for a compressed air system

    公开(公告)号:US12164315B2

    公开(公告)日:2024-12-10

    申请号:US18298556

    申请日:2023-04-11

    Abstract: A control system for a compressed air system is configured to implement an “away mode” of operation that provides for a temporary override of the operation of the compressed air system, which can be easily enabled and disabled. During a period of down time, when the away mode of operation is enabled, the control system causes the compressed air system to operate in a limited capacity (e.g., maintaining limited system pressure, flow, higher dewpoint/humidity level, etc.) to minimize energy usage and limit unnecessary wear on system equipment without shutting down the compressed air system.

    REFRIGERATED DRYER POWER SAVING CONTROLS

    公开(公告)号:US20240393025A1

    公开(公告)日:2024-11-28

    申请号:US18672769

    申请日:2024-05-23

    Abstract: Methods are provided for controlling a refrigerated dryer of a gas compressor system. In an aspect, a control system, including a controller and a flow sensor, selectively operates in a power saving mode in which the controller shuts down a refrigerant compressor included in the dryer system when the flow sensor indicates that no compressed gas is flowing through the dryer. The control system uses input from a temperature sensor to determine whether to activate the compressor regardless of the flow of compressed gas through the dryer.

Patent Agency Ranking