US 7,475,636 B2
Projectile with selectable kinetic energy
James Michael O'Dwyer, Brisbane (Australia); and Sean Patrick O'Dwyer, Norman Park (Australia)
Assigned to Metal Storm Limited, Brisbane (Australia)
Appl. No. 10/545,206
PCT Filed Feb. 10, 2004, PCT No. PCT/AU2004/000141
§ 371(c)(1), (2), (4) Date Jun. 16, 2006,
PCT Pub. No. WO2004/070307, PCT Pub. Date Aug. 19, 2004.
Claims priority of application No. 2003900572 (AU), filed on Feb. 10, 2003; application No. 2003902103 (AU), filed on May 02, 2003; and application No. 2003902556 (AU), filed on May 23, 2003.
Prior Publication US 2007/0068414 A1, Mar. 29, 2007
Int. Cl. F42B 15/00 (2006.01); F42B 12/02 (2006.01); F42B 17/00 (2006.01); F41A 21/00 (2006.01)
U.S. Cl. 102—438  [102/372; 102/380; 102/431; 102/517; 42/84; 42/76.01; 89/14.05] 15 Claims
OG exemplary drawing
 
1. A projectile for a weapon, including:
a body having a nose portion and a tail portion,
a plurality of propellant charges contained within the body,
a plurality of selectable initiators contained within the body for ignition of respective propellant charges, and one or more ports for exit of ignition gases produced by the charges, wherein one or more ports are located in the nose portion of the body for propulsion of a leading projectile from the weapon.