Patents Assigned to AVK Holding A/S
  • Patent number: 11939750
    Abstract: An adapter cap for a fire hydrant including a hydrant actuation nut by means of which the hydrant is opened and closed by rotating the hydrant actuation nut, where the adapter cap includes a cap housing having connection means for connecting the adapter cap to the hydrant actuation nut, the cap housing having a cap actuation nut by which the adapter cap may be engaged and the cap housing including a skirt part arranged to encircle at least a part of the connection means, where a connection means centre axis of the connection means and a cap actuation nut centre axis of the cap actuation nut are arranged coaxially, where the connection means and the cap actuation nut are made from metal, and where at least a part of the skirt part is made from a polymer material, the adapter cap further includes at least one sensor arranged in the cap housing, where the at least one sensor is arranged to detect at least one operational parameter of the hydrant, and wireless communication means arranged in the cap housing for c
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: March 26, 2024
    Assignee: AVK HOLDING A/S
    Inventor: Christian Henrik Simonsen
  • Patent number: 11180905
    Abstract: A threadless bayonet thrust nut assembly for a hydrant, a bayonet thrust nut, and a hydrant having the same, the assembly including the bayonet thrust nut with locking features extending radially therefrom, a hydrant bonnet having retainer lugs disposed around a top opening and corresponding to the locking features, and a lock plate having downwardly extending bayonet extensions, where the locking features are configured to pass through spaces delimited by the retainer lugs when the thrust nut is maneuvered through the opening into the bonnet, where the thrust nut is rotatable between an open position in which the locking features are aligned with the spaces and a closed position in which the locking features are aligned with the retainer lugs, where the bayonet extends of the lock plate are insertable into the spaces when the thrust nut is in the closed position, and where the thrust nut in the closed position is driven against an underlying operating nut disposed with in the bonnet so as to threadlessly sec
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: November 23, 2021
    Assignee: AVK HOLDING A/S
    Inventors: Randall K. Looney, Lawrence R. Montee, John H. Wilber
  • Patent number: 10685315
    Abstract: A method of registering an installed valve (VLV) is disclosed, the installed valve (VLV) having a marking (MA) associated to an identity (ID), the method comprising the steps of providing a mobile communication device (DEV), the mobile communication device (DEV) comprising a navigation satellite signal receiver (NSSR), establishing a registration of the valve (VLV) by performing the following steps with the mobile communication device (DEV), reading the marking (MA) attached to the valve (VLV), establishing a valve location (VL) by means of the navigation satellite signal receiver (NSSR), and transmitting at least one data package (DP) to a central server (CS), said at least one data package (DP) comprising a representation of the marking (MA) or the associated identity (ID) and the established valve location (VL), receiving at the central server (CS) said at least one data package (DP), establishing at the central server (CS) a valve record (VR) associating the identity (ID) to the established valve lo
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: June 16, 2020
    Assignee: AVK HOLDING A/S
    Inventor: Hans Bo Stubkier
  • Patent number: 10451193
    Abstract: Disclosed is a valve arrangement for underground control of a fluid flow and an associated method, the arrangement including a valve having a valve housing containing fluid control means for controlling a flow of fluid through pipe means arranged below the surface of the ground, where the fluid control means is actuated by means of mechanical manipulation of an operating device of the valve and the operating device is coupled to the fluid control means, the valve having valve identification means including data regarding the specific valve type, where the valve arrangement further includes an extension device including an extension device housing surrounding an extension rod, where the extension rod is rotatably supported by the extension device housing, where the extension rod is mechanically coupled to the operating device to enable the mechanical manipulation being performed at the ground surface, and the extension device further includes dedicated connection means extending between a valve end and a groun
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: October 22, 2019
    Assignee: AVK HOLDING A/S
    Inventor: Erling Arnum Freudendahl
  • Patent number: 10445681
    Abstract: A method of registering an installed valve, the installed valve having a marking associated to an identity, the method including providing a mobile communication device comprising a navigation satellite signal receiver, establishing a registration of the valve by reading the marking attached to the valve, establishing a valve location by means of the navigation satellite signal receiver, and transmitting at least one data package to a central server, the data package including a representation of the marking or the associated identity and the established valve location, receiving at the central server the at least one data package, establishing at the central server a valve record associating the identity to the established valve location, and storing the valve record in a database.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: October 15, 2019
    Assignee: AVK HOLDING A/S
    Inventor: Hans Bo Stubkier
  • Patent number: 10393274
    Abstract: A valve for control of a fluid flow including a valve housing, fluid control means arranged inside the valve housing, shaft means having a first shaft friction surface and a second shaft friction surface arranged in a mutual shaft friction surface angle, where the fluid control means is arranged to be displaced along a rotational axis of the shaft means in accordance with a rotation of the shaft means, and collar means having a first collar friction surface and a second collar friction surface arranged in a mutual collar friction surface angle, where the collar friction surfaces are arranged to mesh with the shaft friction surfaces, and where the shaft friction surface angle and the collar friction surface angle are between 120° and 170° and the collar means are fixed inside the valve housing.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: August 27, 2019
    Assignee: AVK HOLDING A/S
    Inventor: Erling Arnum Freudendahl
  • Patent number: 10077851
    Abstract: A modular hydraulic control valve assembly for use in a pilot-operated hydraulic control system comprises, in one embodiment, a control valve including a valve body defining a main flow passage from an inlet on a high pressure side of the control valve to an outlet on a low pressure side of the control valve, a valve member arranged in the flow passage and separating the high pressure side from the low pressure side, a control chamber comprising means for hydraulic actuation of the valve member by applying a control pressure to the control chamber so as to position the valve member between an open position and a closed position thereby adjusting a main flow through the main flow passage in response to the control pressure, a feed port for feeding fluid to the control chamber to increase the control pressure therein, a bleed port for bleeding fluid from the control chamber to decrease the control pressure therein, and a valve bonnet closing the control chamber.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: September 18, 2018
    Assignee: AVK Holding A/S
    Inventor: Christian H. Simonsen
  • Patent number: 9995401
    Abstract: Valve wedge for a slide valve including a rough cast metal wedge core encapsulated in a soft seal encapsulation and having two guide members projecting transversely in opposite directions, each of the guide members including a sideways projecting rib of the rough cast wedge core and a prefabricated wear and corrosion-resistant slide shoe arranged thereon, each rib having laterally opposite lateral surfaces and each shoe including two opposite lateral walls with inner surfaces, each shoe being fixedly vulcanized to the respective one of the ribs by means of soft seal encapsulation present between the rough cast wedge core and the shoe where the outer lateral surfaces of the ribs are finished surfaces and the opposite inner surfaces of each of the slide shoes is laterally rigidly supported by the corresponding outer lateral surfaces of the respective one of the ribs so that each rib laterally rigidly supports the respective one of the slide shoes.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: June 12, 2018
    Assignee: AVK HOLDING A/S
    Inventor: Thomas Winther
  • Patent number: 9683688
    Abstract: A threadless pipe coupling (x00) comprises a socket (x01), a plug (x02) configured for being inserted into the socket (x01) in an insertion direction (10), a sealing member (x03) arranged between a circumferential outer surface (x04) of the plug (x02) and a cooperating inner surface (x05) of a circumferential side wall (x06) of the socket (x01), so as to provide a fluid tight seal when the plug (x02) is placed in the socket (x01), wherein the plug (x02) is retained in the socket (x01) by means of a locking member (x07) inserted in a transverse direction through a slot (x08) in the circumferential side wall (x06) of the socket (x01) to engage around the plug (x02) at a location behind the sealing member (x03) as seen in the insertion direction (10). The ends (x28, x29) of the locking member (x07) in the mounted position are located between the outer surface (x04) of the plug (x02) and the circumferential side wall (x06) of the socket (x01) as seen in a radial direction.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: June 20, 2017
    Assignee: AVK Holding A/S
    Inventor: Erling A. Freudendahl
  • Patent number: 9453605
    Abstract: An injection cooler for cooling hot steam in a pipeline has an injecting device that has multiple injection nozzles. The cooler includes a regulating body connected to a coolant supply. The regulating body is equipped with a valve arrangement to regulate coolant feed to the injection nozzles. Coolant feed lines are provided between the injecting device and the regulating body with a separate coolant feed line being provided for each injection nozzle. Ends of the coolant feed lines of the injecting device are secured to a first flange plate which can be secured to a surface on the injecting device. Ends of the coolant feed lines associated with the regulating body are secured to a second flange plate which is secured to a receiving surface of the regulating body. The injecting device has a tubular mixing portion with a de Laval nozzle-type longitudinal section along a longitudinal axis.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: September 27, 2016
    Assignee: AVK Holding A/S
    Inventors: Gerhard Seewald, Kay Fugmann
  • Publication number: 20150129054
    Abstract: A modular hydraulic control valve assembly for use in a pilot-operated hydraulic control system comprises, in one embodiment, a control valve including a valve body defining a main flow passage from an inlet on a high pressure side of the control valve to an outlet on a low pressure side of the control valve, a valve member arranged in the flow passage and separating the high pressure side from the low pressure side, a control chamber comprising means for hydraulic actuation of the valve member by applying a control pressure to the control chamber so as to position the valve member between an open position and a closed position thereby adjusting a main flow through the main flow passage in response to the control pressure, a feed port for feeding fluid to the control chamber to increase the control pressure therein, a bleed port for bleeding fluid from the control chamber to decrease the control pressure therein, and a valve bonnet closing the control chamber.
    Type: Application
    Filed: May 30, 2013
    Publication date: May 14, 2015
    Applicant: AVK Holding A/S
    Inventor: Christian H. Simonsen
  • Publication number: 20150084329
    Abstract: A threadless pipe coupling (x00) comprises a socket (x01), a plug (x02) configured for being inserted into the socket (x01) in an insertion direction (10), a sealing member (x03) arranged between a circumferential outer surface (x04) of the plug (x02) and a cooperating inner surface (x05) of a circumferential side wall (x06) of the socket (x01), so as to provide a fluid tight seal when the plug (x02) is placed in the socket (x01), wherein the plug (x02) is retained in the socket (x01) by means of a locking member (x07) inserted in a transverse direction through a slot (x08) in the circumferential side wall (x06) of the socket (x01) to engage around the plug (x02) at a location behind the sealing member (x03) as seen in the insertion direction (10). The ends (x28, x29) of the locking member (x07) in the mounted position are located between the outer surface (x04) of the plug (x02) and the circumferential side wall (x06) of the socket (x01) as seen in a radial direction.
    Type: Application
    Filed: April 18, 2013
    Publication date: March 26, 2015
    Applicant: AVK Holding A/S
    Inventor: Erling A. Freudendahl
  • Patent number: D675289
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: January 29, 2013
    Assignee: AVK Holding A/S
    Inventor: Erling Arnum Freudendahl