Patents by Inventor David Chivers

David Chivers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11352147
    Abstract: An isolator fitting for an opening in a metallic rib of an aircraft wing. The isolator fitting has first isolator mountable to the rib to position a first isolator opening in alignment with the opening of the rib. A second isolator is mountable to the rib and has a nut housing segment defining a second isolator opening to be positioned in alignment with the opening of the rib. A conduit extends between a first end and a second end, and a nut is mountable about an outer surface of the conduit to abut against the first isolator and mount the conduit thereto. The conduit is positionable to extend through the opening of the rib and through the first and second isolator openings to position the nut within the nut housing segment of the second isolator such that the nut housing segment is positioned between the nut and the rib.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: June 7, 2022
    Assignee: SHORT BROTHERS PLC
    Inventors: Stephen Walters, David Chivers
  • Patent number: 9950388
    Abstract: There is proposed a method of producing an integrally bladed rotor, preferably a so-called “blisk” for a turbomachine, the method including the steps of: providing a rotor disc having a plurality of spaced-apart radial protrusions formed integrally around its perimeter; and forming a respective aerofoil-shaped blade extending radially generally outwardly from each of the protrusions via laser deposition. Each protrusion preferably extends radially outwardly from a circumferential body part of the rotor disc by a distance which is greater than the radially inward penetration of a heat-affected zone arising from the laser deposition used to form the respective blade.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: April 24, 2018
    Assignee: ROLLS-ROYCE plc
    Inventor: Nigel James David Chivers
  • Patent number: 8381566
    Abstract: Attachments for power assisted lifting devices capable of rigidly positioning an object in three-dimensional space, for example pneumatically assisted manually operated mechanical arm manipulators, wherein the attachment is capable of securing an object for remote positioning thereof. More particularly, an end effector for a pneumatic manipulator that is capable of both passively following the motion of a secured object and actively adjusting the position of the secured object in an arcuate direction relative to the attachment of the end effector to the manipulator. The end effector is able to rotate the object about an axis passing through the end effector that also moves arcuately with the end effector. The end effector is particularly useful in the bending of metallic sheets or plates using a conventional sheet metal brake, as the end effector is capable of both positioning heavy sheets in the brake and following the movement of the sheet as it is being bent.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: February 26, 2013
    Assignee: Givens Engineering Inc.
    Inventors: Raymond David Givens, Christopher William Garland, David Chivers
  • Publication number: 20080187421
    Abstract: Attachments for power assisted lifting devices capable of rigidly positioning an object in three-dimensional space, for example pneumatically assisted manually operated mechanical arm manipulators, wherein the attachment is capable of securing an object for remote positioning thereof. More particularly, an end effector for a pneumatic manipulator that is capable of both passively following the motion of a secured object and actively adjusting the position of the secured object in an arcuate direction relative to the attachment of the end effector to the manipulator. The end effector is able to rotate the object about an axis passing through the end effector that also moves arcuately with the end effector. The end effector is particularly useful in the bending of metallic sheets or plates using a conventional sheet metal brake, as the end effector is capable of both positioning heavy sheets in the brake and following the movement of the sheet as it is being bent.
    Type: Application
    Filed: January 31, 2008
    Publication date: August 7, 2008
    Inventors: Raymond David Givens, Christopher William Gartand, David Chivers
  • Publication number: 20050144437
    Abstract: A power management architecture for an electrical power distribution system, or portion thereof, is disclosed. The architecture includes multiple intelligent electronic devices (“IED's”) distributed throughout the power distribution system to manage the flow and consumption of power from the system. The IED's are linked via a network to back-end servers. Security mechanisms are further provided which protect and otherwise ensure the authenticity of communications transmitted via the network in furtherance of the management of the distribution and consumption of electrical power by the architecture. In particular, public key cryptography is employed to identify components of the architecture and provide for secure communication of power management data among those components. Further, certificates and certificate authorities are utilized to further ensure integrity of the security mechanism.
    Type: Application
    Filed: November 30, 2004
    Publication date: June 30, 2005
    Inventors: Douglas Ransom, Eric Haight, Andrew Blackett, David Chivers, Anthony Howe, Benedikt Huber, Brian Nakagawa, John Van Gorp