Countermass and countermass weapon
US7823497B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2006 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Feb 21, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A1/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A countermass for use in a weapon to balance the forces arising when a launch able unit is launched from a launcher tube of the weapon. The countermass includes a first container enclosing a liquid. A countermass weapon includes a launcher tube open or openable in both ends. The launcher tube houses a launch able unit, a countermass including a first container enclosing a liquid, a pressure chamber, and a propellant charge that upon firing and combustion of the charge in cooperation with the pressure chamber and the countermass accelerates the launch able unit forwards in the tube at the same time as the countermass accelerates backwards in the tube. The first container is made of a non-rigid material. A second container is provided to cover or almost cover the first container. The second container is designed with damping characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.