Patents by Inventor Lester C. Elmore

Lester C. Elmore 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: 4654008
    Abstract: An automatic weapons effects simulator (AWES) reproduces the visual and acoustic signatures associated with the firing of a weapon used in combat troop engagement simulation. The AWES is directly integrated into the weapon and allows the weapon operator to utilize the basic weapon mechanism in the same manner as with the original parts and at a cost advantage as compared to the cost of blank ammunition.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: March 31, 1987
    Assignee: Pulsepower, Inc.
    Inventor: Lester C. Elmore
  • Patent number: 4164890
    Abstract: A liquid propellant modular gun has a slim profile and is constructed for wide latitude in gun cluster configuration.The modular gun has a stationary barrel and is externally driven and cam operated by a drive cam and a control cam.The drive cam has one internal spiral cam track for driving the bolt forward to a projectile firing position and another internal spiral cam track for driving the bolt rearward to a projectile loading position.The control cam is mounted for rotation at the forward end of the drive cam and controls the injection of liquid propellant into the combustion chamber and an electrical igniter.A water injection mechanism is also associated with the control cam for injecting a small amount of water into the combustion chamber after the firing of each round to cool the combustion chamber structure by internal water cooling. The water injection mechanism is also effective to purge propellant from the combustion chamber in the event of a misfire.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: August 21, 1979
    Assignee: Pulsepower Systems, Inc.
    Inventors: Lester C. Elmore, Thomas M. Broxholm, deceased
  • Patent number: 4164889
    Abstract: A liquid propellant modular gun has a slim profile and is constructed for wide latitude in gun cluster configuration.The modular gun has a stationary barrel and is externally driven and cam operated by a drive cam and a control cam.The drive cam has one internal spiral cam track for driving the bolt forward to a projectile firing position and another internal spiral cam track for driving the bolt rearward to a projectile loading position.The control cam is mounted for rotation at the forward end of the drive cam and controls the injection of liquid propellant into the combustion chamber and an electrical igniter.A water injection mechanism is also associated with the control cam for injecting a small amount of water into the combustion chamber after the firing of each round to cool the combustion chamber structure by internal water cooling. The water injection mechanism is also effective to purge propellant from the combustion chamber in the event of a misfire.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: August 21, 1979
    Assignee: Pulsepower Systems, Inc.
    Inventors: Lester C. Elmore, Thomas M. Broxholm, deceased
  • Patent number: 4161904
    Abstract: A liquid propellant modular gun has a main cam which is driven at a multiple of the gun firing rate and which has internal cam surfaces operatively associated with the bolt while the bolt is driven forward to load and fire and backward to accept another projectile.The gun incorporates a control cam driven at the gun firing rate and effective to unlock the bolt after firing of a projectile so that the bolt can be returned to its rearward position under the control of the main cam.The main cam acts to time all the remaining mechanisms of the gun to the bolt motion.The accelerating force for the bolt is provided by hydraulic pressure applied directly to the bolt area.Energy stored in the bolt from the force of the accelerating hydraulic pressure is converted into rotary energy and is stored in the main cam and other rotating devices geared to the main cam.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: July 24, 1979
    Assignee: Pulsepower Systems, Incorporated
    Inventors: William Groen, Lester C. Elmore
  • Patent number: 4062266
    Abstract: A liquid propellant modular gun has a slim profile and is constructed for wide latitude in gun cluster configuration.The modular gun has a stationary barrel and is externally driven and cam operated by a drive cam and a control cam.The drive cam has one internal spiral cam track for driving the bolt forward to a projectile firing position and another internal spiral cam track for driving the bolt rearward to a projectile loading position.The control cam is mounted for rotation at the forward end of the drive cam and controls the injection of liquid propellant into the combustion chamber and an electrical igniter.A water injection mechanism is also associated with the control cam for injecting a small amount of water into the combustion chamber after the firing of each round to cool the combustion chamber structure by internal water cooling. The water injection mechanism is also effective to purge propellant from the combustion chamber in the event of a misfire.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: December 13, 1977
    Inventors: Lester C. Elmore, Thomas M. Broxholm, deceased, by Anne K. Broxholm, administratrix
  • Patent number: 3998129
    Abstract: A gun of the kind in which liquid propellant is burned in the firing chamber to fire a projectile from the gun is constructed so that a number of gun modules can be combined in a modular gun. Each gun module is cam controlled, and a common cam is used to control each gun module in the modular gun. The cam can be a flexible cam having a belt configuration to permit the gun modules to be arranged in both circular groupings and in non-circular groupings, such as side by side. The modular gun includes fixed, non-rotating gun modules to eliminate the need for tangential velocity correction factors in the fire control and the need to accelerate the mass of the barrel assembly to operational speed. The individual gun module includes propellant injection mechanism for injecting propellant at high pressure when a non-hypergolic bi-propellant is used as the propellant. One or more hydraulic actuators are used to develop the high injection pressures and to operate other components of the gun, such as the bolt.
    Type: Grant
    Filed: January 14, 1974
    Date of Patent: December 21, 1976
    Assignee: Pulsepower Systems, Incorporated
    Inventors: Thomas M. Broxholm, Lester C. Elmore
  • Patent number: 3952832
    Abstract: A liquid propellant is burned in the bulk mode and in pulses to produce high combustion pressures with large power outputs. The pulsed high pressure liquid propellant combustion is also used for producing sound waves for underwater seismic exploration. The high combustion pressures produced by burning the liquid propellant in the bulk mode and in pulses may be used to overcome high back pressures such as those existing at deep drilling depths and in deep ocean depths.
    Type: Grant
    Filed: March 29, 1971
    Date of Patent: April 27, 1976
    Assignee: Pulsepower Systems, Inc.
    Inventors: Lester C. Elmore, Thomas M. Broxholm
  • Patent number: 3949642
    Abstract: A gun of the kind in which liquid propellant is burned in the firing chamber to fire a projectile from the gun is constructed so that a number of gun modules can be combined in a modular gun. Each gun module is cam controlled, and a common cam is used to control each gun module in the modular gun. The cam can be a flexible cam having a belt configuration to permit the gun modules to be arranged in both circular groupings and in non-circular groupings, such as side by side. The modular gun includes fixed, non-rotating gun modules to eliminate the need for tangential velocity correction factors in the fire control and the need to accelerate the mass of the barrel assembly to operational speed. The individual gun module includes propellant injection mechanism for injecting propellant at high pressure when a non-hypergolic bi-propellant is used as the propellant. One or more hydraulic actuators are used to develop the high injection pressures and to operate other components of the gun, such as the bolt.
    Type: Grant
    Filed: December 17, 1973
    Date of Patent: April 13, 1976
    Assignee: Pulsepower Systems, Inc.
    Inventors: Thomas M. Broxholm, Lester C. Elmore