[특허]Mine refuge

Kennedy Metal Products & Buildings, Inc.

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특허 상세정보

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Mine refuge

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21F-011/00
미국특허분류(USC)	299/012; 299/095
출원번호	UP-0625052 (2007-01-19)
등록번호	US-7533942 (2009-07-01)
발명자 / 주소	Kennedy, William R. Kennedy, John M.
출원인 / 주소	Kennedy Metal Products & Buildings, Inc.
대리인 / 주소	Senniger Powers LLP
인용정보	피인용 횟수 : 13 인용 특허 : 47

초록

A mine refuge for use in a mine includes a chamber sized and shaped for occupancy by at least one miner. An oxygen supply is adapted to be installed in the chamber for supplying oxygen to the chamber. A carbon dioxide reduction system is adapted to be installed in the chamber for reducing carbon dioxide in the chamber. The carbon dioxide reduction system is operable in the mine without an electrical power source.

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What is claimed is: 1. A mine refuge for use in a mine comprising: a chamber sized and shaped for occupancy by at least one miner; an oxygen supply adapted to be installed in the chamber for supplying oxygen to the chamber; and a carbon dioxide reduction system adapted to be installed in the chamber for reducing carbon dioxide in the chamber, the carbon dioxide reduction system being operable in the mine without an electrical power source, said carbon dioxide reduction system comprising a carbon dioxide absorbent material, a blower, and a source of pressurized gas for operating the blower to move air in the chamber to said carbon dioxide absorbent material for absorption of carbon dioxide in the air. 2. The mine refuge as set forth in claim 1 wherein said carbon dioxide absorbent material further comprises soda lime. 3. The mine refuge as set forth in claim 1 wherein the source of pressurized gas comprises a cylinder of pressurized gas in the chamber. 4. The mine refuge as set forth in claim 1 further comprising a purge system for purging gas from the chamber. 5. The mine refuge as set forth in claim 4 wherein the purge system includes a cylinder of compressed breathable air in the mine refuge sufficient to maintain a positive pressure in the chamber for inhibiting entry of contaminated mine air into the chamber. 6. The mine refuge as set forth in claim 5 wherein the flow rate of air from the cylinder of compressed breathable air is adjustable based on the number of occupants in the chamber. 7. The mine refuge as set forth in claim 6 further comprising a pressure relief valve adapted to automatically open when pressure within the refuge meets or exceeds a predetermined limit. 8. The mine refuge as set forth in claim 1 wherein the chamber includes a main compartment and an airlock having a vent for venting gas from the airlock. 9. The mine refuge as set forth in claim 1 further comprising an entryway and tamperproof seal on the entryway to inhibit tampering with the chamber when not in use. 10. The mine refuge as set forth in claim 1 wherein the chamber comprises at least one wall member adapted to be installed in the mine generally between a floor of the mine and a roof of the mine to thereby at least in part define a substantially sealed chamber. 11. The mine refuge as set forth in claim 10 further comprising a base supporting the oxygen supply and carbon dioxide reduction system. 12. The mine refuge as set forth in claim 1 comprising a plurality of wall members, a base and a roof, the wall members, roof, and base cooperatively defining the chamber. 13. The mine refuge as set forth in claim 12 further comprising a protective cage extending over the walls and roof of the chamber for protecting the refuge from damage. 14. The mine refuge as set forth in claim 13 wherein the protective cage is spaced from the walls and roof. 15. The mine refuge as set forth in claim 14 wherein the protective cage includes plates for protecting the refuge from damage caused by falling debris. 16. The mine refuge as set forth in claim 12 wherein the roof is arch-shaped for protecting the refuge from damage caused by falling debris. 17. The mine refuge as set forth in claim 10 further comprising an oxygen supply support system for securely supporting the supply to thereby inhibit movement and damage. 18. The mine refuge as set forth in claim 11 wherein the base is free of axles and wheels. 19. The mine refuge as set forth in claim 18 wherein the base is adapted to facilitate dragging the refuge from one location to another location. 20. The mine refuge as set forth in claim 12 wherein the wall members are interengageable elongate panels. 21. The mine refuge as set forth in claim 1 further comprising at least one window, the window being removable in case of an emergency. 22. The mine refuge as set forth of claim 1 wherein the chamber includes a receptacle adapted to receive human waste, and a drain associated with the receptacle for draining the receptacle to a location outside of the chamber. 23. The mine refuge as set forth in claim 1 further comprising a flow meter connected to the oxygen supply, the flow meter being adjustable by occupants for adjusting the flowrate at which the oxygen is dispensed from the oxygen supply. 24. The mine refuge as set forth in claim 23 wherein the flowrate of oxygen can be selectively adjusted based on the number of occupants in the chamber so that a sufficient amount of breathable air is supplied to each occupant while maintaining the level of oxygen in the refuge at a level suitable for occupation. 25. The mine refuge as set forth in claim 23 wherein the oxygen supply includes multiple oxygen tanks, a manifold connecting the tanks, a flow meter for displaying flow therefrom, a display of the remaining oxygen, and a regulator. 26. The mine refuge as set forth in claim 7 wherein the flow rate of air from the cylinder of compressed breathable air is adjustable to a constant rate that is greater than the volume of gas being consumed by both the miners and the carbon dioxide reduction system. 27. The mine refuge as set forth in claim 1 wherein said carbon dioxide reduction system further comprises a selector for controlling the flow of said pressurized gas to said blower. 28. The mine refuge as set forth in claim 1 wherein the blower comprises a turbine rotated by said pressurized gas, and a fan rotated by the turbine. 29. The mine refuge as set forth in claim 1 wherein the blower comprises a piston movable in a cylinder by said pressurized gas. 30. The mine refuge as set forth in claim 1 wherein the source of pressurized gas comprises a cylinder of oxygen in the chamber. 31. The mine refuge as set forth in claim 25 wherein the flow meter, display, and regulator are visible from outside the chamber. 32. A mine refuge for use in a mine comprising: a chamber sized and shaped for occupancy by at least one miner; an oxygen supply adapted to be installed in the chamber for supplying oxygen to the chamber; and a carbon dioxide reduction system adapted to be installed in the chamber for reducing carbon dioxide in the chamber, the carbon dioxide reduction system being operable in the mine without an electrical power source; and a plurality of wall members, a base and a roof, the wall members, roof, and base cooperatively defining the chamber, wherein the wall members are hingedly connected to the base. 33. The mine refuge as set forth in claim 32 wherein the roof is hingedly connected to at least one of the wall members. 34. A mine refuge for use in a mine comprising: a chamber sized and shaped for occupancy by at least one miner; an oxygen supply adapted to be installed in the chamber for supplying oxygen to the chamber; and a carbon dioxide reduction system adapted to be installed in the chamber for reducing carbon dioxide in the chamber, the carbon dioxide reduction system being operable in the mine without an electrical power source; a plurality of wall members, a base and a roof, the wall members, roof, and base cooperatively defining the chamber; and at least one crush zone, each crush zone including a telescoping member adapted for movement upon impact so that the impact is directed away from the oxygen supply. 35. A mine refuge for use in a mine comprising: a chamber sized and shaped for occupancy by at least one miner; an oxygen supply adapted to be installed in the chamber for supplying oxygen to the chamber; and a carbon dioxide reduction system adapted to be installed in the chamber for reducing carbon dioxide in the chamber, the carbon dioxide reduction system being operable in the mine without an electrical power source, wherein carbon dioxide is forced through the carbon dioxide reduction system by oxygen from the oxygen supply.

이 특허에 인용된 특허 (47)

이 특허를 인용한 특허 피인용횟수: 13

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Mine refuge

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이 특허에 인용된 특허 (47)

이 특허를 인용한 특허 피인용횟수: 13

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Mine refuge

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이 특허에 인용된 특허 (47)

이 특허를 인용한 특허 피인용횟수: 13

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