Device and Method for Anticipating Failure in a Solenoid Pilot Operated Control Valve for a Fieldbus Manifold Assembly

    公开(公告)号:US20250052339A1

    公开(公告)日:2025-02-13

    申请号:US18933581

    申请日:2024-10-31

    Applicant: ASCO, L.P.

    Abstract: A fieldbus solenoid valve system has a solenoid operated control valve mounted and operated by a solenoid pilot. A direct current power source is connected to a coil of the solenoid pilot and a driver for actuating the coil. A resistive element is in series with the power source, the driver, the solenoid and a ground. A frequency generator is connected to the circuit for creating a frequency pulse train to the coil having a characterization so as not to cause the solenoid pilot to actuate. The voltage is measured between the coil and resistive element and the measured voltage is compared to a base voltage value measured from the same circuit location. An indicator signal is displayed on the fieldbus solenoid valve system or externally when the measured voltage increases to a predetermined amount from said base voltage over time.

    Valve manifold, valve and actuator assembly

    公开(公告)号:US12055161B2

    公开(公告)日:2024-08-06

    申请号:US17770497

    申请日:2019-10-23

    Applicant: Asco, L.P.

    CPC classification number: F15B11/123 F15B15/1409 F15B15/202 F15B2211/8855

    Abstract: A pneumatic actuator and control valve assembly has a housing with a control cavity for a control valve and an actuator cavity for an actuator piston and rod assembly. The control cavity and actuator cavity both have an elongated shape and are substantially parallel to each other. The control cavity has a supply port and first and second control valve outlet ports and at least one vent port with the control valve being movable through the control cavity for controlling communication between the supply port and the first and second outlet ports. The actuator cavity has first and second ports at the retracted and extended ends for shuttling the piston and within the actuator cavity between a retracted and extended end position. The housing has a first inlet and second inlet for passage of pressurized fluid to and from the housing.

    A Valve Manifold, Valve and Actuator Assembly

    公开(公告)号:US20220381264A1

    公开(公告)日:2022-12-01

    申请号:US17770497

    申请日:2019-10-23

    Applicant: Asco, L.P.

    Abstract: A pneumatic actuator and control valve assembly has a housing with a control cavity for a control valve and an actuator cavity for an actuator piston and rod assembly. The control cavity and actuator cavity both have an elongated shape and are substantially parallel to each other. The control cavity has a supply port and first and second control valve outlet ports and at least one vent port with the control valve being movable through the control cavity for controlling communication between the supply port and the first and second outlet ports. The actuator cavity has first and second ports at the retracted and extended ends for shuttling the piston and within the actuator cavity between a retracted and extended end position. The housing has a first inlet and second inlet for passage of pressurized fluid to and from the housing,

    Valve Manifold, Valve and Actuator Assembly
    6.
    发明公开

    公开(公告)号:US20240295228A1

    公开(公告)日:2024-09-05

    申请号:US18663710

    申请日:2024-05-14

    Applicant: Asco, L.P.

    CPC classification number: F15B11/123 F15B15/1409 F15B15/202 F15B2211/8855

    Abstract: A pneumatic actuator and control valve assembly has a housing with a control cavity for a control valve and an actuator cavity for an actuator piston and rod assembly. The control cavity and actuator cavity both have an elongated shape and are substantially parallel to each other. The control cavity has a supply port and first and second control valve outlet ports and at least one vent port with the control valve being movable through the control cavity for controlling communication between the supply port and the first and second outlet ports. The actuator cavity has first and second ports at the retracted and extended ends for shuttling the piston and within the actuator cavity between a retracted and extended end position. The housing has a first inlet and second inlet for passage of pressurized fluid to and from the housing.

    Device and method for monitoring response time in a valve manifold assembly

    公开(公告)号:US11408450B2

    公开(公告)日:2022-08-09

    申请号:US16468898

    申请日:2017-09-18

    Applicant: Asco, L.P.

    Abstract: A field bus solenoid valve assembly has a sensor for detecting the commencement of an actuation cycle for moving a piston in a cylinder and piston assembly. A position sensor detects an end position of a piston in a cylinder and piston assembly at the end of the actuation cycle. A timer times the elapsed time between the initiation of the actuation cycle of the piston and when the position sensor for detecting an end position detects the piston in its end position at the end of the actuation cycle. A comparator operably connected to a storage device and the sensors for comparing elapsed time from the sensors to a normalized time or profile and a predetermined tolerance boundary in the storage device. An alarm device is actuated if the elapsed time is outside of the set tolerance boundary.

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