Patents by Inventor David A. Dorman

David A. Dorman 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: 8979026
    Abstract: A compressor for pressurizing a flow of air within an aircraft including an inlet providing the flow of air to the compressor. An outlet provides the flow of air, after pressurization by the compressor, to a chamber of the aircraft. A diffuser assembly is disposed between the inlet and the outlet. The diffuser assembly includes one or more vanes at least partially impeding the flow of air through the diffuser assembly. A backing plate is included having a surface adjacent to the one or more vanes. The surface includes a relief feature that enables air to bypass the one or more vanes. The relief feature has an axial depth of about 0.5% to 2.5% of a width of a flow path through the diffuser assembly or of about 0.5% to 5% of a thickness of a flange of the backing plate. A method of operating a compressor is also included.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: March 17, 2015
    Assignee: Hamilton Sundstrandt Corporation
    Inventors: David A. Dorman, Harold W. Hipsky, Peter A. Wierzbowski, Eric Chrabascz, Brian Cabello
  • Publication number: 20140356124
    Abstract: A compressor for pressurizing a flow of air within an aircraft including an inlet providing the flow of air to the compressor. An outlet provides the flow of air, after pressurization by the compressor, to a chamber of the aircraft. A diffuser assembly is disposed between the inlet and the outlet. The diffuser assembly includes one or more vanes at least partially impeding the flow of air through the diffuser assembly. A backing plate is included having a surface adjacent to the one or more vanes. The surface includes a relief feature that enables air to bypass the one or more vanes. The relief feature has an axial depth of about 0.25% to 2.5% of a width of a flow path through the diffuser assembly or of about 0.5% to 5% of a thickness of a flange of the backing plate. A method of operating a compressor is also included.
    Type: Application
    Filed: June 4, 2013
    Publication date: December 4, 2014
    Inventors: David A. Dorman, Harold W. Hipsky, Peter A. Wierzbowski, Eric Chrabascz, Brian Cabello
  • Publication number: 20140283521
    Abstract: A ram air fan assembly includes a motor/bearing housing that extends along a horizontal length of the ram air fan assembly. An inner housing assembly is in fluid communication with the motor/bearing housing to define a joint. The inner housing assembly includes first and second ellipse-shaped slots. The first slot is positioned at a first angle with respect to a radial axis of the inner housing assembly that is perpendicular to the horizontal length, and the second slot is positioned at a second angle with respect to the radial axis, the second angle being different from the first angle, and each slot extending along a first direction parallel to the horizontal length to define an axial width and extending along a radial axis to define a radial width being greater than the axial width.
    Type: Application
    Filed: March 19, 2013
    Publication date: September 25, 2014
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Eric Chrabascz, William R. Fiske, David A. Dorman
  • Patent number: 8712980
    Abstract: Consistent retention and disposition of managed content and associated metadata is disclosed. An indication that a retention policy is to be applied to a selected item of content comprising a body of managed content is received. The selected item of content and its associated metadata are retained automatically in parallel in accordance with the retention policy.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: April 29, 2014
    Assignee: EMC Corporation
    Inventors: Roger W. Kilday, John-David Dorman, David Humby, Fiona Schrader, Dan Bailey
  • Publication number: 20140037441
    Abstract: A disclosed ram air assembly includes a housing that defines an inlet and an inner cavity. A fan disposed at the inlet generates air flow and is driven by an electric motor. Airflow through the ram air fan assembly is directed through a passageway defined by a diffuser. The diffuser includes a first diameter at a forward end, and a second diameter at an aft end with the second diameter being larger than the forward end to diffuse airflow and increase fan efficiency.
    Type: Application
    Filed: August 6, 2012
    Publication date: February 6, 2014
    Inventors: Eric Chrabascz, Victoria S. Richardson, David A. Dorman
  • Publication number: 20130097997
    Abstract: A diffuser for a ram air fan assembly includes a perforated cone, an inlet ring seal, and an outlet ring seal. The perforated cone has a frustoconical shape symmetrical about an axis of the diffuser. The inlet ring seal is attached to, and axially disposed about, a first end of the perforated cone. The inlet ring seal includes a fan housing connection having a cylindrical shape. The outlet ring seal is attached to, and axially disposed about, a second end of the perforated cone. An average external diameter of the second end is greater than an average external diameter of the first end such that the perforated cone extends away from the inlet ring seal and radially outward from the axis of the diffuser.
    Type: Application
    Filed: October 24, 2011
    Publication date: April 25, 2013
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Eric Chrabascz, Victoria S. Richardson, David A. Dorman
  • Publication number: 20130101400
    Abstract: A ram air fan inner housing for a ram air fan assembly comprises a center body housing, an end cup attached to the center body housing, and a perforated cone. The perforated cone is attached to the center body housing and the end cup such that the perforated cone extends away from the center body housing and radially inward toward an axis of the inner housing.
    Type: Application
    Filed: October 24, 2011
    Publication date: April 25, 2013
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Lawrence Binek, Eric Chrabascz, David A. Dorman
  • Patent number: 7970743
    Abstract: Retention and disposition of stored content associated with multiple stored objects is disclosed. An indication is received that a first stored object associated with an item of content comprising a body of managed content is no longer subject to retention under a retention policy applicable to the first stored object. The item of content is deleted or otherwise disposed of only if the item of content is not associated with a second stored object that is still required or desired to be retained.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: June 28, 2011
    Assignee: EMC Corporation
    Inventors: Roger W. Kilday, John David Dorman, David Humby, Fiona Schrader, Dan Bailey
  • Patent number: 7962708
    Abstract: Resolving retention policy conflicts is disclosed. An indication is received that two or more retention policies apply to an item of content. A merged retention policy that is based at least in part on the respective requirements of the two or more retention policies is generated automatically for the item of content.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: June 14, 2011
    Assignee: EMC Corporation
    Inventors: Roger W. Kilday, John-David Dorman, David Humby, Fiona Schrader, Dan Bailey
  • Publication number: 20110047132
    Abstract: Consistent retention and disposition of managed content and associated metadata is disclosed. An indication that a retention policy is to be applied to a selected item of content comprising a body of managed content is received. The selected item of content and its associated metadata are retained automatically in parallel in accordance with the retention policy.
    Type: Application
    Filed: August 31, 2010
    Publication date: February 24, 2011
    Applicant: EMC CORPORATION
    Inventors: Roger W. Kilday, John David Dorman, David Humby, Fiona Schrader, Dan Bailey
  • Patent number: 7818300
    Abstract: Consistent retention and disposition of managed content and associated metadata is disclosed. An indication that a retention policy is to be applied to a selected item of content comprising a body of managed content is received. The selected item of content and its associated metadata are retained automatically in parallel in accordance with the retention policy.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: October 19, 2010
    Assignee: EMC Corporation
    Inventors: Roger W. Kilday, John David Dorman, David Humby, Fiona Schrader, Dan Bailey
  • Patent number: 7814063
    Abstract: Retention and disposition of components of a complex stored object is disclosed. An indication that a retention policy is to be applied to a complex stored object comprising a root content object and one or more child content objects included in a body of managed content is received. The root content object and the one or more child content objects and associated metadata are retained in parallel automatically in accordance with the retention policy.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: October 12, 2010
    Assignee: EMC Corporation
    Inventors: Roger W. Kilday, John David Dorman, David Humby, Dan Bailey
  • Patent number: 7801862
    Abstract: Retention of complex objects is disclosed. An indication is received that retention applied to a root object of a complex object is to be extended to child objects, such as attachments or included files or other content. A snapshot of at least the child objects is stored and the retention that is applied to the root object is extended to the snapshot. Retention of the snapshot ensures that the child objects are retained, so long as and in the same manner as the root object, in the form (e.g., version) in which they are stored at the time retention is applied to the snapshot.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: September 21, 2010
    Assignee: EMC Corporation
    Inventors: David Humby, David Mennie, Steve Sauder, John-David Dorman
  • Publication number: 20100050231
    Abstract: Resolving retention policy conflicts is disclosed. An indication is received that two or more retention policies apply to an item of content. A merged retention policy that is based at least in part on the respective requirements of the two or more retention policies is generated automatically for the item of content.
    Type: Application
    Filed: August 7, 2009
    Publication date: February 25, 2010
    Inventors: Roger W. Kilday, John-David Dorman, David Humby, Fiona Schrader, Dan Bailey
  • Patent number: 7601037
    Abstract: An electrical connection for securing multiple wires within an interior of an electrical connector barrel includes the use of a spacer which is received within the barrel, and which includes guiding spaces to position the plurality of wires.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: October 13, 2009
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Robert Telakowski, David A. Dorman
  • Patent number: 7594082
    Abstract: Resolving retention policy conflicts is disclosed. An indication is received that two or more retention policies apply to an item of content. A merged retention policy that is based at least in part on the respective requirements of the two or more retention policies is generated automatically for the item of content.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: September 22, 2009
    Assignee: EMC Corporation
    Inventors: Roger W. Kilday, John David Dorman, David Humby, Fiona Schrader, Dan Bailey
  • Publication number: 20090181579
    Abstract: An electrical connection for securing multiple wires within an interior of an electrical connector barrel includes the use of a spacer which is received within the barrel, and which includes guiding spaces to position the plurality of wires.
    Type: Application
    Filed: January 11, 2008
    Publication date: July 16, 2009
    Inventors: Robert Telakowski, David A. Dorman