Patents by Inventor Anthony E. Gambrall

Anthony E. Gambrall 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).

  • Adjustable hysteresis circuit for control of air suspension
    Patent number: 8868294
    Abstract: This disclosure, and the exemplary embodiments described herein, provides vehicle suspension systems and methods including a plurality of gas springs and an associated height control system. The height control system includes height sensors associated with the gas springs, a valve arrangement, a pressurized gas service and a control circuit which includes a variable hysteresis circuit to dynamically control the response of the suspension.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: October 21, 2014
    Assignee: Firestone Industrial Products Company, LLC
    Inventor: Anthony E. Gambrall
  • ADJUSTABLE HYSTERESIS CIRCUIT FOR CONTROL OF AIR SUSPENSION
    Publication number: 20140095025
    Abstract: This disclosure, and the exemplary embodiments described herein, provides vehicle suspension systems and methods including a plurality of gas springs and an associated height control system. The height control system includes height sensors associated with the gas springs, a valve arrangement, a pressurized gas service and a control circuit which includes a variable hysteresis circuit to dynamically control the response of the suspension.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: Firestone Industrial Products Company, LLC
    Inventor: Anthony E. Gambrall
  • Height control module, gas spring assembly and method
    Patent number: 8517396
    Abstract: A gas spring assembly includes a gas spring and a height control module. The gas spring includes a first end member, a second end member and a flexible wall secured therebetween. The height control module includes a height control system that is operatively associated with the gas spring. The height control system includes a sensor, a valve arrangement and a fixed-logic control circuit. A suspension system and a method are also included.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: August 27, 2013
    Assignee: Firestone Industrial Products Company, LLC
    Inventors: Graham R. Brookes, Larry L. Lockridge, Anthony E. Gambrall
  • HEIGHT CONTROL MODULE, GAS SPRING ASSEMBLY AND METHOD
    Publication number: 20120086178
    Abstract: A gas spring assembly includes a gas spring and a height control module. The gas spring includes a first end member, a second end member and a flexible wall secured therebetween. The height control module includes a height control system that is operatively associated with the gas spring. The height control system includes a sensor, a valve arrangement and a fixed-logic control circuit. A suspension system and a method are also included.
    Type: Application
    Filed: June 1, 2010
    Publication date: April 12, 2012
    Applicant: FIRESTONE INDUSTRIAL PRODUCTS COMPANY, LLC
    Inventors: Graham R. Brookes, Larry L. Lockridge, Anthony E. Gambrall