US3918879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for detonating combustible substances at atmospheric pressure
Assignee: Individual
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Filing: 1974-07-26
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Granted: 1975-11-11
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Expires: 1994-07-26
Abstract
Abstract In a method of exploding a gaseous combustible substance of atmospheric pressure, said substance is charged together with air to a combustion chamber provided with controllable ignition means. Finely divided particles of an explosive substance are also charged to the combustion chamber, the size of the particles being such as to enable them to be suspended in the combustible substance-air mixture. The resulting mixture of explosive particles, combustible substance and air is then ignited. The amount of explosive particles charged to the combustion chamber can be regulated so as to control the rate of combustion of the gaseous mixture.
Inventors
- 👤 Karl Ewald Arvidsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:07
CPC Classifications
F; F42; F42D; F42D1/00
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
63 words
A METHOD FOR EXPLODING OR DETONATING A COMBUSTIBLE GASEOUS SUBSTRATE AT ATMOSPHERE PRESSURE COMPRISING A. CHARGING TO AN COMBUSTION CHAMBER COMBUSTION INGREDIENTS CONSISTING OF A1. A COMBUSTIBLE GASEOUS SUBSTANCE, A2. OXYGEN. PREFERABLY IN THE FORM OF AIR, A3. PARTICLES OF AN EXPLOSION SUBSTANCE, B. OBTAINING A MIXTURE OF SAID INGREDIENTS IN SAID CHAMBER, C. IGNITING SAID MIXTURE TO EXPLODE OR DETONATE THE SAME.
Claim 2
Independent Claim
63 words
A METHOD FOR EXPLODING OR DETONATING A COMBUSTIBLE GASEOUS SUBSTRATE AT ATMOSPHERE PRESSURE COMPRISING A. CHARGING TO AN COMBUSTION CHAMBER COMBUSTION INGREDIENTS CONSISTING OF A1. A COMBUSTIBLE GASEOUS SUBSTANCE, A2. OXYGEN. PREFERABLY IN THE FORM OF AIR, A3. PARTICLES OF AN EXPLOSION SUBSTANCE, B. OBTAINING A MIXTURE OF SAID INGREDIENTS IN SAID CHAMBER, C. IGNITING SAID MIXTURE TO EXPLODE OR DETONATE THE SAME.
Claim 3
Independent Claim
100 words
A method for exploding or detonating a combustible gaseous substance at atmospheric pressure, comprising packaging determined quantities of explosive particles in unit packages, feeding said packages to a vacuum chamber, placing said chamber under a pressure below the prevailing ambient pressure thereby to release said particles from said packages, feeding to said chamber a combustible gaseous substance and oxygen, preferably in the form of air in a determined substance-to-air ratio, causing said substance, said oxygen and said explosive particles to pass into said combustion chamber to provide a mixture therein, and igniting said mixture to explode or detonate the same.
Claim 4
Independent Claim
100 words
A method for exploding or detonating a combustible gaseous substance at atmospheric pressure, comprising packaging determined quantities of explosive particles in unit packages, feeding said packages to a vacuum chamber, placing said chamber under a pressure below the prevailing ambient pressure thereby to release said particles from said packages, feeding to said chamber a combustible gaseous substance and oxygen, preferably in the form of air in a determined substance-to-air ratio, causing said substance, said oxygen and said explosive particles to pass into said combustion chamber to provide a mixture therein, and igniting said mixture to explode or detonate the same.
Claim 5
Dependent Claim
36 words
A method according to claim 1, wherein the size of said explosive particles is such as to enable said particles to be suspended in said gaseous combustible substance and oxygen, preferably in the form or air.
Claim 6
Independent Claim
67 words
An apparatus for exploding or detonating a combustible substance at atmospheric pressure, comprising: a. an combustion chamber, b. a source of gaseous, explosive substance, c. an oxygen source, d. a source of explosive particles, e. means for charging to said combustion chamber said gaseous substance, said oxygen and said explosive particles to form a mixture therein, and f. means for exploding said mixture in said combustion chamber.
Claim 7
Independent Claim
67 words
An apparatus for exploding or detonating a combustible substance at atmospheric pressure, comprising: a. an combustion chamber, b. a source of gaseous, explosive substance, c. an oxygen source, d. a source of explosive particles, e. means for charging to said combustion chamber said gaseous substance, said oxygen and said explosive particles to form a mixture therein, and f. means for exploding said mixture in said combustion chamber.
Claim 8
Dependent Claim
21 words
An apparatus according to claim 4, wherein said source of explosive particles comprises a plurality of rupturable explosive particle unit packages.
Claim 9
Dependent Claim
34 words
An apparatus according to claim 4, wherein said rupturable unit packages are in the form of coherent strings of packages, and wherein means are provided for serving said strings to form separate unit packages.
Claim 10
Dependent Claim
33 words
An apparatus according to claim 4, wherein means are provided to receive unit packages so as to rupture the same, said means being connected to said oxygen source and said explosive substance source.
Claim 11
Dependent Claim
19 words
An apparatus according to claim 7, wherein said unit package receiving means has the form of a vacuum chamber.,
Claim 12
Dependent Claim
41 words
An apparatus according to claim 4, wherein said explosive substance source and said oxygen source communicate with a common supply pipe, and wherein valve means are provided to regulate the feed of said substance and said air to said supply pipe.
Claim 13
Independent Claim
27 words
An apparatus according to calim 6, wherein said severing means has the form of a rotatable wheel provided with string serving means spaced at determined distances apart.
Claim 14
Independent Claim
27 words
An apparatus according to calim 6, wherein said severing means has the form of a rotatable wheel provided with string serving means spaced at determined distances apart.
Claim 15
Dependent Claim
22 words
An apparatus according to claim 4, wherein the means for exploding said mixture is connected to a programmed explosion sequence initiating device.
References Cited (Backward Citations)
US2858670A
Cited
US3228191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |