US 12,253,318 B1
Cannon having laser ignition system and breech window cleaning system
Sangtae Ahn, Daejeon (KR); Yongseon Lee, Daejeon (KR); and Yunjung Oh, Daejeon (KR)
Assigned to AGENCY FOR DEFENSE DEVELOPMENT, Daejeon (KR)
Filed by AGENCY FOR DEFENSE DEVELOPMENT, Daejeon (KR)
Filed on Nov. 8, 2024, as Appl. No. 18/941,935.
Claims priority of application No. 10-2024-0066417 (KR), filed on May 22, 2024.
Int. Cl. F41A 13/04 (2006.01); F41A 3/10 (2006.01); F41A 19/58 (2006.01); F41F 1/00 (2006.01)
CPC F41A 13/04 (2013.01) [F41A 3/10 (2013.01); F41A 19/58 (2013.01); F41F 1/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A cannon, comprising
a barrel having a chamber in which a shell and a propelling charge are mounted;
a breech ring connected to the rear of the barrel, and having a shell inlet communicating with the chamber such that the shell and the propelling charge are loaded into the barrel;
a recoil buffer disposed on an outer circumferential surface of the barrel and configured to guide recoiling and returning motions of the barrel;
a breechblock connected to the breech ring, and moving relative to the breech ring between a closed position that closes the shell inlet and an open position that opens the shell inlet;
a laser ignition device comprising a laser portion disposed in the breechblock and configured to emit a laser to ignite the propelling charge, and a breech window covering the laser portion and allowing the laser to be transmitted into the chamber; and
a breech window cleaning device configured to clean the breech window,
wherein the breech window faces the chamber when the breechblock is at the closed position, and is exposed outside the chamber when the breechblock is at the open position, and
the breech window cleaning device is configured to clean the breech window when the breechblock is at the open position.