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公开(公告)号：US20210190067A1
公开(公告)日：2021-06-24
申请号：US17194461
申请日：2021-03-08
Applicant: Kerr Machine Co.
Inventor： Mark S. Nowell , Kelcy Jake Foster , Christopher Todd Barnett , Brandon Scott Ayres , Michael Eugene May , Guy J. Lapointe , Micheal Cole Thomas
Abstract: A flangeless fluid end comprising a fluid end body releasably attached to a connect plate. The connect plate is attached to a power source using stay rods. The flow bores of the fluid end are sealed without threading a retainer nut into the walls of each bore. Instead, the flow bores are sealed by bolting a retainer to the fluid end body. Plungers to drive fluid through the fluid end body are installed within removable stuffing box sleeves. These sleeves are maintained within the plunger bores by the bolted retainers. A number of features, including the location of seals within bore walls and carbide inserts within valve structures, aid in reducing or transferring wear.
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公开(公告)号：US20210102630A1
公开(公告)日：2021-04-08
申请号：US17126417
申请日：2020-12-18
Applicant: Kerr Machine Co.
Inventor： Mark S. Nowell , Kelcy Jake Foster , Michael Eugene May , Brandon Scott Ayres , Christopher Todd Barnett , Micheal Cole Thomas , Guy J. Lapointe
IPC: F16K5/18 , F15B7/06 , F16K5/04 , F16J15/06 , F15B21/00 , F16K5/16 , F16K5/02 , F04B53/22 , F04B53/16
Abstract: Apparatus and method contemplating a high pressure fluid end assembly having a body defining a body bore and defining a recess in the body intersecting the body bore. A closure is joined to the body and forms a sealing surface. A seal is mounted to the body in the recess and configured to extend from the recess beyond the body bore to seal against the sealing surface formed by the closure.
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公开(公告)号：US20210095650A1
公开(公告)日：2021-04-01
申请号：US17109966
申请日：2020-12-02
Applicant: Kerr Machine Co.
Inventor： Mark S. Nowell , Kelcy Jake Foster , Micheal Cole Thomas , Christopher Todd Barnett
IPC: F04B35/00 , F04B37/12 , F04B53/10 , F16K1/44 , F16K27/02 , F04B53/22 , F16K1/38 , F04B15/04 , F04B1/0461 , F04B53/16 , F04B1/0538 , F04B1/0452
Abstract: A fluid end is formed from a first body attached to a separate second body. Each body includes an external surface. When the bodies are attached, their respective external surfaces are in flush engagement. A plurality of bores are formed in the second body that are alignable with a plurality of corresponding bores formed in the first body. The fluid end may be used with seals disposed within recesses within each bore to seal against corresponding sealing surfaces. Further, retaining closures may be bolted to the fluid end bodies, such that the closures have a threadless connection to the fluid end bodies. Various combinations of such components may be utilized.
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公开(公告)号：US20200347706A1
公开(公告)日：2020-11-05
申请号：US16860146
申请日：2020-04-28
Applicant: Kerr Machine Co.
Inventor： Mark S. Nowell , Kelcy Jake Foster , Micheal Cole Thomas , Christopher Todd Barnett , Guy J. Lapointe , Brandon Scott Ayres
Abstract: A fluid end for use with a power end. The fluid end comprises a plurality of fluid end sections positioned adjacent one another. Each section includes a single horizontally positioned bore. A plunger is installed within the bore and includes a fluid passageway. Low-pressure fluid enters the bore through the plunger and high-pressure fluid exits the fluid end through an outlet valve installed within the bore. The intake of low-pressure fluid within the fluid end section is regulated by an inlet valve installed within the plunger. Low-pressure fluid enters the plunger through an inlet component attached to both the plunger and an inlet manifold.
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公开(公告)号：US12264671B2
公开(公告)日：2025-04-01
申请号：US18641837
申请日：2024-04-22
Applicant: Kerr Machine Co.
Inventor： Kelcy Jake Foster , Micheal Cole Thomas , Christopher Todd Barnett , John Keith , Nicholas Son
Abstract: A manifold assembly configured for use with a fluid end used in oil and gas operations. The manifold assembly comprises upper and lower manifolds supported on side posts such that the manifolds and posts define a central opening. In operation, the fluid end is positioned within the central opening such that the manifold assembly surrounds the fluid end. The manifold assembly is not attached to the fluid end other than flexible conduits interconnecting the fluid and the manifolds. The manifold assembly is modular and when assembled, may be moved together as a single unit.
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Patent Agency Ranking
公开(公告)号：USD1061819S1
公开(公告)日：2025-02-11
申请号：US29814232
申请日：2021-11-04
Applicant: Kerr Machine Co.
Designer： Micheal Cole Thomas , Christopher Todd Barnett , Kelcy Jake Foster , Nicholas Son , John Keith , Mark S. Nowell
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公开(公告)号：US20250020192A1
公开(公告)日：2025-01-16
申请号：US18765766
申请日：2024-07-08
Applicant: Kerr Machine Co.
Inventor： Kelcy Jake Foster , Micheal Cole Thomas , Christopher Todd Barnett , Nicholas Son , John Keith
Abstract: A pair of wear grooves for a linear drive assembly. One wear groove is disposed on a wear plate attached to a crosshead. This wear groove is on a front edge of the wear plate, and does not intersect any lubrication groove. Another wear groove is disposed circumferentially about an inner wall of a crosshead guide. Each of the wear grooves is observable to an operator without fully disassembling the crosshead and the crosshead guide, and each is observable from a single side of the crosshead guide. Should the wear groove not be observable, the associated component should be replaced. Should the wear groove be observable, the remaining life of the component can be determined from the groove's depth.
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公开(公告)号：US12180956B2
公开(公告)日：2024-12-31
申请号：US18628879
申请日：2024-04-08
Applicant: Kerr Machine Co.
Inventor： Kelcy Jake Foster , Micheal Cole Thomas , Christopher Todd Barnett , Nicholas Son , John Keith , Guy J. Lapointe
Abstract: A linear drive assembly configured for use within a power end assembly. The linear drive assembly is configured to interconnect a crankshaft and a pony rod and comprises a crosshead assembly attached to a connecting rod assembly. In one or more embodiments disclosed herein, the connecting rod assembly is configured to attach to opposite sides of the crosshead assembly so that no portion of the connecting rod assembly is disposed within an interior of a crosshead included in the crosshead assembly.
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公开(公告)号：US12135024B2
公开(公告)日：2024-11-05
申请号：US18490864
申请日：2023-10-20
Applicant: Kerr Machine Co.
Inventor： Christopher Todd Barnett , Micheal Cole Thomas , Nicholas Son , John Keith , Kelcy Jake Foster
IPC: F04B53/10 , F04B15/02 , F04B53/00 , F04B53/14 , F04B53/16 , F04B53/22 , F16J15/26 , F16K11/10 , E21B43/26 , F04B1/0452 , F04B1/0538 , F04B7/00 , F04B7/02 , F04B17/00 , F04B19/04 , F04B19/22 , F04B53/18
Abstract: A fluid end assembly having a plurality of fluid end sections positioned in a side-by-side relationship. Each fluid end section has a housing made of multiple-piece construction. One or more pieces of the housing are configured to have a plurality of stay rods attached thereto. The stay rods interconnect the fluid end assembly and a power end assembly.
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公开(公告)号：US20240271617A1
公开(公告)日：2024-08-15
申请号：US18641837
申请日：2024-04-22
Applicant: Kerr Machine Co.
Inventor： Kelcy Jake Foster , Micheal Cole Thomas , Christopher Todd Barnett , John Keith , Nicholas Son
Abstract: A manifold assembly configured for use with a fluid end used in oil and gas operations. The manifold assembly comprises upper and lower manifolds supported on side posts such that the manifolds and posts define a central opening. In operation, the fluid end is positioned within the central opening such that the manifold assembly surrounds the fluid end. The manifold assembly is not attached to the fluid end other than flexible conduits interconnecting the fluid and the manifolds. The manifold assembly is modular and when assembled, may be moved together as a single unit.
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