DRIVE KEY FOR ROTATING EQUIPMENT ACCOMMODATING CENTER LINE MISALIGNMENT WHILE MINIMIZING HYSTERESIS

    公开(公告)号:US20210404566A1

    公开(公告)日:2021-12-30

    申请号:US16910696

    申请日:2020-06-24

    Inventor: James R. O'Coin

    Abstract: A rotary valve includes a first ball valve including a first stem extending from a first proximal stem end to a first distal stem end outward from the first ball valve. The first stem including a first slotted opening extending from the first distal stem end into the first stem. The rotary valve includes a second ball valve including a second stem extending from a second proximal stem end to a second distal stem end outward from the second ball valve. The second stem including a second slotted opening extending from the second distal stem end into the second stem, wherein the second stem extends towards the first stem. The rotary valve includes a drive key located within the first slotted opening and the second slotted opening. The drive key extending from the first slotted opening of the first ball valve to the second slotted opening of the second ball valve to operably connect the first ball valve to the second ball valve. The drive key has a non-uniform thickness.

    OVAL O-RING GROOVE
    20.
    发明申请
    OVAL O-RING GROOVE 审中-公开

    公开(公告)号:US20170234465A1

    公开(公告)日:2017-08-17

    申请号:US15043660

    申请日:2016-02-15

    Inventor: James R. O'Coin

    CPC classification number: F16L21/035 B64G1/48

    Abstract: A fluid flow component has a fluid connection. The fluid connection has part circular end portions and extending side portions connecting the part circular end portions. A seal groove is formed in the fluid connection. The seal groove has inwardly extending components at an outer end to capture an o-ring within the seal groove. A circular o-ring has a circular cross-section received within the seal groove.

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