Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.
대리인 / 주소
Caesar Rivise, PC
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
A protective suit (100), especially for an operator (1) in a cooling chamber that is cooled using liquid nitrogen or vapor of the liquid nitrogen comprises a body suit (10) which has a thermally insulating, gas-tight cover material (20) and is designed to accommodate the operator (1), and a heating
A protective suit (100), especially for an operator (1) in a cooling chamber that is cooled using liquid nitrogen or vapor of the liquid nitrogen comprises a body suit (10) which has a thermally insulating, gas-tight cover material (20) and is designed to accommodate the operator (1), and a heating device (30) which is connected to the body suit (10) and is designed to heat the interior of the protective suit (100). A glove (70) which is made of a thermally insulating glove material (71) and includes a glove heater (77) is also described.
대표청구항▼
1. A protective suit for an operator in a cooling chamber with atmospheric pressure and a temperature below −90° C., comprising: a body suit, which has a thermally insulating, gas-tight sheath material and is adapted for accommodating the operator, anda heating device, which is connected to the body
1. A protective suit for an operator in a cooling chamber with atmospheric pressure and a temperature below −90° C., comprising: a body suit, which has a thermally insulating, gas-tight sheath material and is adapted for accommodating the operator, anda heating device, which is connected to the body suit and is adapted for heating the interior of the protective suit, whereinthe protective suit is adapted for use in the cooling chamber, which is cooled with liquid nitrogen or vapor of the liquid nitrogenthe sheath material has a multi-layer structure and comprises from outside inwards a gas-tight outer skin, a stabilization layer, an insulation layer with a heat reflective foil, and a heating region, in which are arranged at least parts of the heating device, andthe body suit is equipped with shoes, which have plateau soles and sole hollow spaces. 2. The protective suit according to claim 1, in which the heating device comprises a resistance heater, which is arranged in the body suit. 3. The protective suit according to claim 2, in which the heating device comprises heating layers, which are arranged distributed in the body suit. 4. The protective suit according to claim 1, in which the heating device comprises a heating medium circuit for a gaseous or liquid heating medium, which is arranged in the body suit. 5. The protective suit according to claim 4, in which the heating medium circuit comprises a plurality of lines, which are arranged distributed in the body suit. 6. The protective suit according to claim 1, in which the sheath material contains at least one gas-filled or evacuated intermediate layer. 7. The protective suit according to claim 1, in which the heating device is embedded in the sheath material and the thermal conductivity of the sheath material is selected in such a manner that a predominant part of the heat released by the heating device is conducted into the interior of the protective suit and remaining heat heats up the sheath material outwardly in such a manner that it remains flexible at an ambient temperature below −90° C. 8. The protective suit according to claim 1, in which the body suit is equipped with a helmet. 9. The protective suit according to claim 1, in which the body suit comprises leg parts, trunk parts and arm parts, which can be connected via articulation regions. 10. The protective suit according to claim 1, in which the body suit contains a belt device configured to couple with a tether for pulling the operator out of the cooling chamber. 11. The protective suit according to claim 1, in which the body suit has at a front side an access opening, on which layers of the sheath material overlap. 12. The protective suit according to claim 1, in which the protective suit contains an emergency supply device, which comprises at least one of a breathing air reservoir and a coupling device for an external air supply apparatus. 13. The protective suit according to claim 8, in which the helmet has at least one of a front window made of a double-walled, evacuatable window material, a pressure relief valve, a window heater and a rear-view mirror. 14. The protective suit according to claim 1, in which said shoes, which have at least one, protective layers against mechanical injuries, and flexible adaptation elements. 15. The protective suit according to claim 1, in which a breathing gas source is provided for supplying breathable air into the protective suit. 16. The protective suit according to claim 15, in which part of the heating device is configured for heating the air supplied by the breathing gas source. 17. The protective suit according to claim 1, in which the body suit is provided with at least one glove made of a thermally insulating glove material, andthe at least one glove contains a glove heater. 18. The protective suit according to claim 17, in which in an interior of the at least one glove, holding elements are provided for, which are configured for fixing a portion of a hand or of a forearm of the operator in the at least one glove, whereinthe remaining interior of the at least one glove is dimensioned such that at least fingers of the operator are freely moving in the glove. 19. The protective suit according to claim 17, in which on glove fingers of the at least one glove, grasp areas are provided for, in which the glove material has a reduced thickness compared with the remaining glove. 20. The protective suit according to claim 19, in which the grasp areas on an external side of the glove have an irregular surface. 21. The protective suit according to claim 17, in which the at least one glove is configured to be impinged with an inner pressure so that sufficient space is formed in an interior of the glove for a movement of fingers from a grasping position with a contact of the fingers with the glove material into a heating position without a contact of the fingers with the glove material. 22. The protective suit according to claim 17, in which the at least one glove has receptacles for sample carriers on an external side. 23. A method of using a protective suit according to claim 1 for protecting an operator, wherein the operator wears the protective suit, andthe operator stays in a cooling chamber with a temperature below −90° C.
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