Safety system for autoclaves
First Claim
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1. A system comprising:
- an autoclave;
a safety system for making an inside of an inner chamber of the autoclave inert, the safety system comprising one or more capsules comprising sodium azide, NaN3, which produces a chemical reaction when the capsule reaches an activation temperature, releasing nitrogen gas and making the inner chamber inert;
a main cooling circuit fed with liquefied gas stored in one or more auxiliary tanks; and
an additional cooling circuit for each of the one or more capsules or groups of capsules, wherein the additional cooling circuit is separate from the main cooling circuit.
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Abstract
A system for making an autoclave inert such that flame propagation is prevented in the event of spontaneous internal combustion, which thus prevents damaging the actual system or equipment, tools and parts, for which it essentially has sodium azide capsules which produce a chemical reaction when they reach an activation temperature, releasing nitrogen, making the chamber inert, venting equipment to prevent damage due to overpressure inside the chamber when the capsules have come into action and released the gas, a main cooling circuit and an additional cooling circuit for the capsules, all of this automatically controlled and managed by a control device.
12 Citations
20 Claims
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1. A system comprising:
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an autoclave; a safety system for making an inside of an inner chamber of the autoclave inert, the safety system comprising one or more capsules comprising sodium azide, NaN3, which produces a chemical reaction when the capsule reaches an activation temperature, releasing nitrogen gas and making the inner chamber inert; a main cooling circuit fed with liquefied gas stored in one or more auxiliary tanks; and an additional cooling circuit for each of the one or more capsules or groups of capsules, wherein the additional cooling circuit is separate from the main cooling circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A safety system for autoclaves to render inert an inside of an inner chamber thereof, the safety system comprising:
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one or more capsules comprising sodium azide (NaN3), which produces a chemical reaction when an activation temperature of the one or more capsules is reached, wherein the chemical reaction releases nitrogen gas to render the inner chamber of the autoclave inert; a main cooling circuit supplied with liquefied gas stored in one or more auxiliary tanks; and an additional cooling circuit for each of the one or more capsules or groups of the one or more capsules, wherein the additional cooling circuit is separate from the main cooling circuit. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A system comprising:
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an autoclave; a safety system for making an inside of an inner chamber of the autoclave inert, the safety system comprising one or more capsules comprising sodium azide, NaN3, which produces a chemical reaction when the capsule reaches an activation temperature, releasing nitrogen in a form of gas, making the inner chamber inert, wherein the one or more capsules are located within the autoclave; a main cooling circuit fed with liquefied gas stored in one or more auxiliary tanks; and an additional cooling circuit for each of the one or more capsules or groups of capsules, wherein the additional cooling circuit is separate from the main cooling circuit. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification