Patents by Inventor Stevie Alejandro

Stevie Alejandro 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: 11236791
    Abstract: An energy damping and displacement control device is disclosed. The energy damping and displacement control device can include a contact protrusion and an energy damping pad constructed of a resilient material. The energy damping pad can have a first face oriented along a first plane. The energy damping pad can also have a second face oriented along a second plane transverse to the first plane, and toward the contact protrusion. In a static condition, the first and second faces of the energy damping pad can be separated from the contact protrusion. In a dynamic condition, displacement motion of the contact protrusion relative to the energy damping pad can be limited by contact with at least one of the first or second faces of the energy damping pad, which provides energy damping and motion displacement control of the contact protrusion in multiple axes.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: February 1, 2022
    Assignee: Raytheon Company
    Inventors: Ly Dinh Nguyen, Stevie Alejandro
  • Publication number: 20210115992
    Abstract: An energy damping and displacement control device is disclosed. The energy damping and displacement control device can include a contact protrusion and an energy damping pad constructed of a resilient material. The energy damping pad can have a first face oriented along a first plane. The energy damping pad can also have a second face oriented along a second plane transverse to the first plane, and toward the contact protrusion. In a static condition, the first and second faces of the energy damping pad can be separated from the contact protrusion. In a dynamic condition, displacement motion of the contact protrusion relative to the energy damping pad can be limited by contact with at least one of the first or second faces of the energy damping pad, which provides energy damping and motion displacement control of the contact protrusion in multiple axes.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 22, 2021
    Inventors: Ly Dinh Nguyen, Stevie Alejandro
  • Patent number: 9546853
    Abstract: An air vehicle, such as a munition like a guided bomb or missile, has a control system that allows control surfaces to be mechanically uncoupled from one or more actuators to allow the control surfaces to freely move (rotate) relative to a fuselage of the vehicle, for example allowing the control surfaces to “weather vane” by assuming an orientation corresponding to the direction of airflow past the air vehicle (direction of airflow relative to the air vehicle). When active positioning of the control surfaces is desired, the control surfaces may be mechanically coupled to one or more actuators that are used to position the control surfaces. The selective coupling of the actuator(s) and the control surfaces may be accomplished by selectively coupling together a sleeve that is mechanically coupled to the control surfaces, and a nut that moves along a shaft of an actuator, for example using a resilient device.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: January 17, 2017
    Assignee: Raytheon Company
    Inventors: Bruce E Morgan, Stevie Alejandro, Jerry D Robichaux, Alfredo Ramos, Heinz D Klemm, Bryan W Nickel, Andrew P Douglas
  • Publication number: 20160040967
    Abstract: An air vehicle, such as a munition like a guided bomb or missile, has a control system that allows control surfaces to be mechanically uncoupled from one or more actuators to allow the control surfaces to freely move (rotate) relative to a fuselage of the vehicle, for example allowing the control surfaces to “weather vane” by assuming an orientation corresponding to the direction of airflow past the air vehicle (direction of airflow relative to the air vehicle). When active positioning of the control surfaces is desired, the control surfaces may be mechanically coupled to one or more actuators that are used to position the control surfaces. The selective coupling of the actuator(s) and the control surfaces may be accomplished by selectively coupling together a sleeve that is mechanically coupled to the control surfaces, and a nut that moves along a shaft of an actuator, for example using a resilient device.
    Type: Application
    Filed: August 5, 2014
    Publication date: February 11, 2016
    Inventors: Bruce E. Morgan, Stevie Alejandro, Jerry D. Robichaux, Alfredo Ramos, Heinz D. Klemm, Bryan W. Nickel, Andrew P. Douglas
  • Patent number: 8410412
    Abstract: A projectile, air vehicle or submersible craft with a spinning or rolling fuselage, rotating on its axis, has a collar which can be positioned relative to a longitudinal axis of the projectile using aerodynamic forces. Aerodynamic surfaces, such as lift-producing surfaces, for example tails or canards, are coupled to the collar, and rotate with the collar. An actuator system or mechanism controls orienting of the lift-producing surfaces, such as tilting of the lift producing surfaces, to direct the collar into a desired position relative to a longitudinal axis of the projectile, and to maintain the collar in that position. With such a control the projectile is able to be steered using bank-to-turn maneuvering. The actuator system may use any of a variety of mechanisms to move the lift-producing surfaces, thereby positioning the collar.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: April 2, 2013
    Assignee: Raytheon Company
    Inventors: Chris E. Geswender, Stevie Alejandro, Paul Vesty
  • Publication number: 20120175459
    Abstract: A projectile, air vehicle or submersible craft with a spinning or rolling fuselage, rotating on its axis, has a collar which can be positioned relative to a longitudinal axis of the projectile using aerodynamic forces. Aerodynamic surfaces, such as lift-producing surfaces, for example tails or canards, are coupled to the collar, and rotate with the collar. An actuator system or mechanism controls orienting of the lift-producing surfaces, such as tilting of the lift producing surfaces, to direct the collar into a desired position relative to a longitudinal axis of the projectile, and to maintain the collar in that position. With such a control the projectile is able to be steered using bank-to-turn maneuvering. The actuator system may use any of a variety of mechanisms to move the lift-producing surfaces, thereby positioning the collar.
    Type: Application
    Filed: September 7, 2011
    Publication date: July 12, 2012
    Inventors: Chris E. Geswender, Stevie Alejandro, Paul Vesty