Patents Assigned to Beverly J. Smalley
  • Tire evacuation and inflation apparatus and method
    Patent number: 5967198
    Abstract: A tire inflation apparatus and method involves first evacuating a seated pneumatic tire via a vacuum pump and then inflating the tire with a purified, dried gas under pressure, such as pressurized nitrogen, without allowing any ambient air to reenter the evacuated tire. The apparatus includes a three way valve which attaches to the source of compressed dry gas, to the tire valve, and to the vacuum pump with a micron vacuum gauge provided for monitoring the state of vacuum within the evacuated tire.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: October 19, 1999
    Assignee: Beverly J. Smalley
    Inventor: William R. Smalley