Patents by Inventor James D. Rozanski

James D. Rozanski 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: 9919173
    Abstract: A fire suppression system for producing an inert gas mixture having a minimal amount of carbon monoxide, particulates, or smoke. The inert gas mixture may be generated by combusting a gas generant. The gas generant may be a composition that includes hexa(ammine)-cobalt(III)-nitrate. The fire suppression system also includes a heat management system to reduce a temperature of the inert gas mixture. In one embodiment, the system includes multiple gas generators and is configured to ignite the respective gas generant of each gas generator in a predetermined, time based sequential order. For example, the gas generant of each gas generator may be ignited in a sequential order at specified time intervals. Methods of extinguishing fires are also disclosed.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: March 20, 2018
    Assignee: Orbital ATK, Inc.
    Inventors: Reed J. Blau, James D. Rozanski, Richard M. Truitt, Gary K. Lund, William P. Sampson
  • Publication number: 20140048291
    Abstract: A fire suppression system for producing an inert gas mixture having a minimal amount of carbon monoxide, particulates, or smoke. The inert gas mixture may be generated by combusting a gas generant. The gas generant may be a composition that includes hexa(ammine)-cobalt(III)-nitrate. The fire suppression system also includes a heat management system to reduce a temperature of the inert gas mixture. A method of extinguishing fires is also disclosed.
    Type: Application
    Filed: September 19, 2013
    Publication date: February 20, 2014
    Applicant: Alliant Techsystems Inc.
    Inventors: Reed J. Blau, James D. Rozanski, Richard M. Truitt, Gary K. Lund, Daniel W. Doll, Steven J. Bradley, Ross W. Guymon, John Holland
  • Patent number: 8408322
    Abstract: A fire suppression system for producing an inert gas mixture having a minimal amount of carbon monoxide, particulates, or smoke. The inert gas mixture may be generated by combusting a gas generant. The gas generant may be a composition that includes hexa(ammine)-cobalt(III)-nitrate. The fire suppression system also includes a heat management system to reduce a temperature of the inert gas mixture. In one embodiment, the system includes multiple gas generators and is configured to ignite the respective gas generant of each gas generator in a predetermined, time based sequential order. For example, the gas generant of each gas generator may be ignited in a sequential order at specified time intervals. Methods of extinguishing fires are also disclosed.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: April 2, 2013
    Assignee: Alliant Techsystems Inc.
    Inventors: Reed J. Blau, James D. Rozanski, Richard M. Truitt, Gary K. Lund, William P. Sampson
  • Patent number: 8359978
    Abstract: Projectiles containing a fluorophore composition comprising a fluorophore compound and an activator composition comprising an activator compound for marking targets are disclosed. Some embodiments include a nose structure with a cavity radially segmented into a plurality of radially isolated compartments by at least one laterally and radially extending internal wall. Additional embodiments include a fore compartment and an aft compartment sealed by a septum. Yet additional embodiments include at least one pressurized cavity and may further include a plunger positioned and configured to pierce each pressurized cavity. Methods of manufacturing target marking projectiles and methods of marking targets are also disclosed.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: January 29, 2013
    Assignee: Alliant Techsystems Inc.
    Inventors: David W. Endicott, Daniel W. Doll, R. Brad Cragun, Jared K. Olson, Michael T. Rose, Mark A. Moore, James D. Rozanski, Russell J. George
  • Patent number: 8286557
    Abstract: Projectiles containing a fluorophore composition comprising a fluorophore compound and an activator composition comprising an activator compound for marking targets are disclosed. Some embodiments include a nose structure with a cavity radially segmented into a plurality of radially isolated compartments by at least one laterally and radially extending internal wall. Additional embodiments include a fore compartment and an aft compartment sealed by a septum. Yet additional embodiments include at least one pressurized cavity and may further include a plunger positioned and configured to pierce each pressurized cavity. Methods of manufacturing target marking projectiles and methods of marking targets are also disclosed.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: October 16, 2012
    Assignee: Alliant Techsystems Inc.
    Inventors: David W. Endicott, Daniel W. Doll, R. Brad Cragun, Jared K. Olson, Michael T. Rose, Mark A. Moore, James D. Rozanski, Russell J. George
  • Publication number: 20120006220
    Abstract: Projectiles containing a fluorophore composition comprising a fluorophore compound and an activator composition comprising an activator compound for marking targets are disclosed. Some embodiments include a nose structure with a cavity radially segmented into a plurality of radially isolated compartments by at least one laterally and radially extending internal wall. Additional embodiments include a fore compartment and an aft compartment sealed by a septum. Yet additional embodiments include at least one pressurized cavity and may further include a plunger positioned and configured to pierce each pressurized cavity. Methods of manufacturing target marking projectiles and methods of marking targets are also disclosed.
    Type: Application
    Filed: September 16, 2011
    Publication date: January 12, 2012
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: David W. Endicott, JR., Daniel W. Doll, R. Brad Cragun, Jared K. Olson, Michael T. Rose, Mark A. Moore, James D. Rozanski, Russell J. George
  • Publication number: 20110226493
    Abstract: A fire suppression system for producing an inert gas mixture having a minimal amount of carbon monoxide, particulates, or smoke. The inert gas mixture may be generated by combusting a gas generant. The gas generant may be a composition that includes hexa(ammine)-cobalt(III)-nitrate. The fire suppression system also includes a heat management system to reduce a temperature of the inert gas mixture. In one embodiment, the system includes multiple gas generators and is configured to ignite the respective gas generant of each gas generator in a predetermined, time based sequential order. For example, the gas generant of each gas generator may be ignited in a sequential order at specified time intervals. Methods of extinguishing fires are also disclosed.
    Type: Application
    Filed: May 31, 2011
    Publication date: September 22, 2011
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Reed J. Blau, James D. Rozanski, Richard M. Truitt, Gary K. Lund, William P. Sampson
  • Publication number: 20110023744
    Abstract: Projectiles containing a fluorophore composition comprising a fluorophore compound and an activator composition comprising an activator compound for marking targets are disclosed. Some embodiments include a nose structure with a cavity radially segmented into a plurality of radially isolated compartments by at least one laterally and radially extending internal wall. Additional embodiments include a fore compartment and an aft compartment sealed by a septum. Yet additional embodiments include at least one pressurized cavity and may further include a plunger positioned and configured to pierce each pressurized cavity. Methods of manufacturing target marking projectiles and methods of marking targets are also disclosed.
    Type: Application
    Filed: August 3, 2009
    Publication date: February 3, 2011
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: David W. Endicott, JR., Daniel W. Doll, R. Brad Cragun, Jared K. Olson, Michael T. Rose, Mark A. Moore, James D. Rozanski, Russell J. George
  • Patent number: 7845423
    Abstract: An apparatus, system and method for suppression of fires are provided. In accordance with one embodiment of the invention, a housing is provided with a first opening (or set of openings), a second opening (or set of openings) and a Row path defined between the first and second openings. A fire-suppressing gas is produced, such as from a solid propellant composition, and is introduced into the flow path in such a way that a volume of ambient air is drawn from a location external to the housing, through the first opening and into the flow path. The volume of ambient air may be subjected to an oxygen-reducing process and mixed with the fire-suppressing gas to form a gas mixture. The gas mixture is discharged from the flow path through the second opening and into an associated environment for suppression of a fire located therein.
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: December 7, 2010
    Assignee: Alliant Techsystems Inc.
    Inventors: Gary K. Lund, James D. Rozanski
  • Publication number: 20080149352
    Abstract: An apparatus, system and method for suppression of fires are provided. In accordance with one embodiment of the invention, a housing is provided with a first opening (or set of openings), a second opening (or set of openings) and a Row path defined between the first and second openings. A fire-suppressing gas is produced, such as from a solid propellant composition, and is introduced into the flow path in such a way that a volume of ambient air is drawn from a location external to the housing, through the first opening and into the flow path. The volume of ambient air may be subjected to an oxygen-reducing process and mixed with the fire-suppressing gas to form a gas mixture. The gas mixture is discharged from the flow path through the second opening and into an associated environment for suppression of a fire located therein.
    Type: Application
    Filed: March 4, 2008
    Publication date: June 26, 2008
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Gary K. Lund, James D. Rozanski
  • Patent number: 7337856
    Abstract: An apparatus, system and method for suppression of fires are provided. In accordance with one embodiment of the invention, a housing is provided with a first opening (or set of openings), a second opening (or set of openings) and a flow path defined between the first and second openings. A fire-suppressing gas is produced, such as from a solid propellant composition, and is introduced into the flow path in such a way that a volume of ambient air is drawn from a location external to the housing, through the first opening and into the flow path. The volume of ambient air may be subjected to an oxygen-reducing process and mixed with the fire-suppressing gas to form a gas mixture. The gas mixture is discharged from the flow path through the second opening and into an associated environment for suppression of a fire located therein.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: March 4, 2008
    Assignee: Alliant Techsystems Inc.
    Inventors: Gary K. Lund, James D. Rozanski
  • Patent number: 5452210
    Abstract: A computer-implemented system and method for evaluating gas bag inflator designs are disclosed, including an inflator state machine having slots for signals corresponding to predetermined gas dynamic and heat transfer characteristics of a gas bag inflator at a specified time. Inflator state machines having one or more chambers, and zero or more deflectors, screen packs, burst disks, and vents are supported. Initial temperatures, pressures, and chamber gas contents may be specified, as may the geometry and other characteristics of gas generant pills. A controller in the state machine accesses a chemical database to obtain information about enthalpy, viscosity, and other properties of gas generant combustion products, igniter combustion products, and other compounds present within the gas bag inflator.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: September 19, 1995
    Assignee: Thiokol Corporation
    Inventor: James D. Rozanski
  • Patent number: 5441303
    Abstract: A system and method for inflating and deflating an air bag within a vehicle without substantially exposing the occupants of the vehicle to toxic compounds, particulates, and other contaminants in the gas mixture used to inflate the air bag. The system includes a flow guide having an exterior port in fluid communication with the ambient air outside the vehicle, an air bag port connectable in fluid communication with the air bag, and an internal bore permitting fluid flow between the exterior port and the air bag. A nozzle disposed within the flow guide bore is secured to an inflator containing a pressurized gas source. The nozzle and flow guide preferably have certain geometric characteristics disclosed herein. In operation, gas is expelled from the gas bag inflator through the nozzle at a velocity sufficient to entrain ambient air from outside the vehicle. The entrained ambient air mixes with the gas expelled through the nozzle, and the mixture inflates the air bag.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: August 15, 1995
    Assignee: Thiokol Corporation
    Inventor: James D. Rozanski
  • Patent number: 4901642
    Abstract: An igniter for high-performance rocket motors having a full head-end web of propellant in the forward end of the motor includes a shallow cup-shaped fiberglass reinforced urethane container, dual rubber orifice arrangement in a plurality (12) of peripherally spaced exhaust ports, a shear key or lip for interlocking into the rocket motor propellant, and a saddle arrangement for initiator tube retention.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: February 20, 1990
    Assignee: Morton Thiokol, Inc.
    Inventors: C. Max White, James D. Rozanski