Patents Assigned to AES Engineering Ltd.
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Patent number: 11143308Abstract: A bearing protector includes a static component fixed relative to a housing, in which a stationary sealing face profile is retained and a rotational component for fixing relative to a shaft with the static and rotational components held axially relative to each other. The rotational component has an annular sealing face profile energized by way of one or more magnetic elements retained within the static component to generate a positive sealing face contact between the stationary sealing face and rotational sealing face profiles. The magnets elements are held within recesses in the static component and extend radially inwards of the recesses.Type: GrantFiled: September 4, 2018Date of Patent: October 12, 2021Assignee: AES Engineering Ltd.Inventor: Joshua William Banks
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Patent number: 11054037Abstract: A mechanical seal includes a drive ring having an axially extending drive element and a seal face with an outer substantially cylindrical surface that is provided with a corresponding radially reduced portion that is can be engaged by the drive element, in which the radially reduced portion is a flat surface that is, in transverse section a chord, and the drive element is provided with a flat surface that can engage with the flat surface of the radially reduced portion during driving rotation of the seal face by the drive ring.Type: GrantFiled: January 4, 2019Date of Patent: July 6, 2021Assignee: AES Engineering Ltd.Inventor: Forrest Lee Finders
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Patent number: 10844961Abstract: A mechanical seal support system for a sealing device for sealing a piece of industrial equipment, includes a mechanical seal for sealing the piece of industrial equipment and a system vessel for containing barrier fluid for the mechanical seal and being circumferentially split into a plurality of sections detachably attached for retaining pressure. The system vessel includes a clean-in-place (CIP) assembly, a cooling element and device for sterilizing the system vessel. The device for sterilizing the a heating element is formed as a coiled tubular element for the barrier fluid to pass therethrough, with closed-loop pipe work included for connecting the system vessel to the mechanical seal and a drain and filling device for removing and adding the barrier fluid to the system vessel.Type: GrantFiled: February 28, 2018Date of Patent: November 24, 2020Assignee: AES Engineering Ltd.Inventor: Heath Stephenson
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Publication number: 20200300368Abstract: A mechanical seal assembly has rotational and stationary sealing members) and a drive unit, which is axially adjacent one of the sealing members. An energizing member urges the drive unit towards the sealing members. A retainer axially and radially retains one of the sealing members. The drive unit is in contact with one of the rotational and stationary members by way of contacting surfaces which are in the range of 1 and 20 light bands of flatness, inclusive.Type: ApplicationFiled: June 9, 2020Publication date: September 24, 2020Applicant: AES Engineering Ltd.Inventors: Stephen Martin Shaw, Andrew Colverson
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Publication number: 20190211931Abstract: A mechanical seal includes a drive ring having an axially extending drive element and a seal face with an outer substantially cylindrical surface that is provided with a corresponding radially reduced portion that is can be engaged by the drive element, in which the radially reduced portion is a flat surface that is, in transverse section a chord, and the drive element is provided with a flat surface that can engage with the flat surface of the radially reduced portion during driving rotation of the seal face by the drive ring.Type: ApplicationFiled: January 4, 2019Publication date: July 11, 2019Applicant: AES Engineering Ltd.Inventor: Forrest Lee Finders
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Patent number: 10337616Abstract: A mechanical seal assembly has two axially-spaced apart seals and including a rotary component that includes rotational members of each axially-spaced apart seal and a stationary component that includes stationary sealing members of each seal. A sleeve is located radially inwards of the rotational sealing members. An element, such as fluid ports, directs barrier or buffer fluid towards the sleeve and between the two axially-spaced apart seals. The sleeve is provided on its outer surface with means, such as recesses or protuberances, which displace barrier/buffer fluid axially towards both axially-spaced apart seals.Type: GrantFiled: June 30, 2017Date of Patent: July 2, 2019Assignee: AES Engineering Ltd.Inventor: Andrew Parkin
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Publication number: 20190072184Abstract: A bearing protector includes a static component fixed relative to a housing, in which a stationary sealing face profile is retained and a rotational component for fixing relative to a shaft with the static and rotational components held axially relative to each other. The rotational component has an annular sealing face profile energized by way of one or more magnetic elements retained within the static component to generate a positive sealing face contact between the stationary sealing face and rotational sealing face profiles. The magnets elements are held within recesses in the static component and extend radially inwards of the recesses.Type: ApplicationFiled: September 4, 2018Publication date: March 7, 2019Applicant: AES Engineering Ltd.Inventor: Joshua William Banks
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Patent number: 10167901Abstract: A bearing isolator apparatus is for use in a piece of equipment which includes a rotatable shaft and a housing through which the shaft extends. The apparatus includes a static component for securing to the housing and a rotational component for securing to the shaft. A tortuous fluid path extends between the static component and the rotational component and a plurality of electrically conductive filaments extends between the static component and the rotational component, such that an electrical current can pass between the components. One or more conductive members electrically connect the rotor to the shaft.Type: GrantFiled: June 8, 2016Date of Patent: January 1, 2019Assignee: AES Engineering Ltd.Inventor: Oliver Pogmore
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Publication number: 20180328495Abstract: A mechanical seal component of a mechanical seal is substantially annular and includes a plurality of axially adjacent retaining recesses along its surface with each recess being adapted to accept a sealing member.Type: ApplicationFiled: July 23, 2018Publication date: November 15, 2018Applicant: AES Engineering Ltd.Inventors: Andrew Parkin, Richard Abrahams
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Publication number: 20180238452Abstract: A mechanical seal assembly has rotational and stationary sealing members) and a drive unit, which is axially adjacent one of the sealing members. An energizing member urges the drive unit towards the sealing members. A retainer axially and radially retains one of the sealing members. The drive unit is in contact with one of the rotational and stationary members by way of contacting surfaces which are in the range of 1 and 20 light bands of flatness, inclusive.Type: ApplicationFiled: February 23, 2018Publication date: August 23, 2018Applicant: AES Engineering Ltd.Inventors: Stephen Martin Shaw, Andrew Colverson
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Publication number: 20180216736Abstract: A mechanical seal support system for a sealing device for sealing a piece of industrial equipment, includes a mechanical seal for sealing the piece of industrial equipment and a system vessel for containing barrier fluid for the mechanical seal and being circumferentially split into a plurality of sections detachably attached for retaining pressure. The system vessel includes a clean-in-place (CIP) assembly, a cooling element and device for sterilizing the system vessel. The device for sterilizing the a heating element is formed as a coiled tubular element for the barrier fluid to pass therethrough, with closed-loop pipe work included for connecting the system vessel to the mechanical seal and a drain and filling device for removing and adding the barrier fluid to the system vessel.Type: ApplicationFiled: February 28, 2018Publication date: August 2, 2018Applicant: AES Engineering Ltd.Inventor: Heath Stephenson
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Publication number: 20180156276Abstract: A bearing isolator apparatus is for use in a piece of equipment which includes a rotatable shaft and a housing through which the shaft extends. The apparatus includes a static component for securing to the housing and a rotational component for securing to the shaft. A tortuous fluid path extends between the static component and the rotational component and a plurality of electrically conductive filaments extends between the static component and the rotational component, such that an electrical current can pass between the components. One or more conductive members electrically connect the rotor to the shaft.Type: ApplicationFiled: June 8, 2016Publication date: June 7, 2018Applicant: AES Engineering Ltd.Inventor: Oliver Pogmore
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Patent number: 9939091Abstract: A pipe clamp includes a first jaw pivotally connected to a second jaw, each jaw having a connection flange at each of its ends, in which the flanges at the pivoting end of the jaws are provided with a first locking mechanism and the flanges of the jaws distal from the pivoting end provided with second and third locking mechanisms. The second and third locking mechanisms are shaped such that, when they are in place, the combined width of the second and third locking mechanisms is less than twice the width of their widest crossways section in the same plane when not in place.Type: GrantFiled: December 3, 2015Date of Patent: April 10, 2018Assignee: AES Engineering Ltd.Inventor: Heath Stephenson
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Patent number: 9915350Abstract: A mechanical seal includes an elastomeric member, a spring biasing member, a longitudinally floating first member, a longitudinally non-floating second member, a longitudinally floating third member and a longitudinally floating seal face. The elastomeric member is in sealing engagement with the seal face and the first and second members and the spring biasing member is longitudinally pointed between the seal face and the third member. The first and second members are longitudinally restrained and rotationally coupled by male longitudinally protruding portions engaging with female portions.Type: GrantFiled: March 9, 2015Date of Patent: March 13, 2018Assignee: AES Engineering Ltd.Inventors: Stephen Cox, Thomas Broadbent
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Patent number: 9909623Abstract: A bearing lubrication apparatus for use with a piece of rotating equipment includes a lubrication device having a bearing chamber with bearings located in the bearing chamber, a mist generating unit positioned below the bearing chamber and being in fluid communication with the bearing chamber, at least one mist inlet directed into the bearing chamber and being in fluid communication with the mist generating unit, and a coalescing unit adjacent the bearing chamber.Type: GrantFiled: August 3, 2015Date of Patent: March 6, 2018Assignee: AES Engineering Ltd.Inventor: Carl-Eiler Rodrigues
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Patent number: 9897213Abstract: A flow inducing ring for a mechanical seal includes a body portion having a first edge face and a second edge face, and at least one first groove extending both axially and circumferentially in one direction across the body portion from the first edge face to the second edge face. At least one second groove extends both axially and circumferentially in an opposite direction across the body portion from the first edge face to the second edge face. Each of the first groove and the second groove includes an entry portion, configured to draw a barrier fluid into the groove from the first edge face, and an exit portion, that is configured to expel barrier fluid from the groove to the second edge face and to impede the drawing of barrier fluid into the groove from the second edge face. The first and second grooves preferably have substantially constant cross-sections throughout the entirety of their lengths for enhanced uniform fluid flow.Type: GrantFiled: October 7, 2010Date of Patent: February 20, 2018Assignee: AES Engineering Ltd.Inventors: Alan James Roddis, Easa Taheri-Oskouei
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Patent number: 9890862Abstract: A seal support system for a mechanical seal includes a system vessel for containing barrier fluid. Closed loop pipe work connects the vessel to a mechanical seal with a device provided for feeding barrier fluid to the system vessel. A further vessel is provided that is able to be in fluid communication with the system vessel. The further vessel may be provided with an elastomeric membrane, which may be filled with a gas under pressure to an extent required to allow for the effect of the highest anticipated temperature which might occur in a particular application.Type: GrantFiled: March 2, 2015Date of Patent: February 13, 2018Assignee: AES Engineering Ltd.Inventors: Christopher Glyn Booth, Andrew Colverson
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Publication number: 20180003301Abstract: A mechanical seal assembly has two axially-spaced apart seals and including a rotary component that includes rotational members of each axially-spaced apart seal and a stationary component that includes stationary sealing members of each seal. A sleeve is located radially inwards of the rotational sealing members. An element, such as fluid ports, directs barrier or buffer fluid towards the sleeve and between the two axially-spaced apart seals. The sleeve is provided on its outer surface with means, such as recesses or protuberances, which displace barrier/buffer fluid axially towards both axially-spaced apart seals.Type: ApplicationFiled: June 30, 2017Publication date: January 4, 2018Applicant: AES Engineering Ltd.Inventor: Andrew Parkin
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Patent number: 9845885Abstract: A seal support system, for use in combination with a mechanical seal installed on a piece of rotating equipment, includes a pressure vessel, one or more fluid inlets and connecting pipework between the one or more fluid inlets and the mechanical seal. A device is included to alter the fluid flow, so that a portion of the seal support system may be isolated for various purposes, such as, for example, cleaning or repurposing.Type: GrantFiled: November 6, 2015Date of Patent: December 19, 2017Assignee: AES Engineering Ltd.Inventors: Heath Stephenson, John Smiddy, Paul Harte
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Patent number: 9810325Abstract: A mechanical seal includes an elastomeric member, a spring biasing device, a longitudinally floating first member having a seal face, a longitudinally non-floating second member and a longitudinally floating third member. The elastomeric member is in sealing engagement with the first member, second member and third member and the spring biasing device is longitudinally positioned between the first member and the second member. One of either the first member or the second member is provided with at least one protruding male portion and the other member of either the first member or the second member is provided with corresponding female portion into which the male portion locates.Type: GrantFiled: November 13, 2014Date of Patent: November 7, 2017Assignee: AES Engineering Ltd.Inventors: Thomas Broadbent, Steven Cox