Obscurant emission systems and methods

• US 10,519,074 B2
• Filed: 09/20/2016
• Issued: 12/31/2019
• Est. Priority Date: 09/20/2016
• Status: Active Grant

• Current Assignee: Goodrich Corporation (Rtx Corporation)
• Original Assignee: Goodrich Corporation (Rtx Corporation)
• Inventors: Reimer, Karl G., Rodriguez, Jean C.
• Primary Examiner(s): Felton, Aileen B
• Application Number:
  US15/271,076
• Publication Number:
  US 20180079695A1
• Time in Patent Office: 1,197 Days
• CPC Class Codes: C06B 23/00 Compositions characterised by non-explosive or non-thermic constituents in combination with specific explosives C06B25/20, C06B25/26, C06B29/04, C06B29/08, C06B31/06, C06B31/40, C06B33/02
• CPC Class Codes: C06B 23/006 Stabilisers (e.g. thermal stabilisers) processes C06B21/0091; foam stabilisers C06B23/002
• CPC Class Codes: C06B 23/04 for cooling the explosion gases including antifouling and flash suppressing agents
• CPC Class Codes: C06D 3/00 Generation of smoke or mist (chemical part) compositions used as biocides, pest repellants or attractants, or plant growth regulators A01N25/18

Abstract

An obscurant-emitting composition may comprise an oxidizer comprising a cation comprising at least one of an alkali metal or an alkaline earth metal, and an anion comprising at least one of nitrate, chlorate, bromate, iodate, perchlorate, periodate, or chlorite; a fuel; and a hydrated salt composition, wherein the obscurant-emitting composition comprises between 0.001% and 8% by weight hydrated salt composition.

Claims

1. An obscurant-emitting composition, comprising:

an oxidizer comprising a cation comprising at least one of an alkali metal or an alkaline earth metal, and an anion comprising at least one of nitrate, chlorate, bromate, iodate, perchlorate, periodate, or chlorite;

a fuel; and

a hydrated salt composition, wherein the obscurant-emitting composition comprises between 3% and 4% by weight the hydrated salt composition,

wherein the hydrated salt composition comprises a primary compound comprising hydromagnesite and a secondary compound, and wherein the hydrated salt composition comprises between 90% and 99.9% by weight hydromagnesite and between 0.1% and 10% by weight the secondary compound.

2. The obscurant-emitting composition of claim 1, wherein the secondary compound comprises at least one of hydromagnesite, artinite, hydrotalcite, dypingite, giorgiosite, brucite, gibbsite, or protomagnesite.

3. The obscurant-emitting composition of claim 2, wherein the secondary compound comprises dypingite.

4. The obscurant-emitting composition of claim 3, wherein the oxidizer comprises at least one of sodium bromate or potassium bromate.

5. The obscurant-emitting composition of claim 4, wherein the fuel comprises at least one of a salt of cyanuric acid, potassium hydroxyacetate, or magnesium hydroxyacetate.

6. The obscurant-emitting composition of claim 5, comprising between 45% and 90% by weight the oxidizer.

7. The obscurant-emitting composition of claim 6, comprising between 6% and 40% by weight the fuel.