Apparatus and methods for improving vibration isolation, thermal dampening, and optical access in cryogenic refrigerators
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-063/08
출원번호
US-0693919
(2012-12-04)
등록번호
US-8756941
(2014-06-24)
발명자
/ 주소
Snow, David
Chase, Michael
Woidtke, Alex
Mauritsen, Luke
Sellin, Peter B.
Merkel, Kris
출원인 / 주소
S2 Corporation
대리인 / 주소
Miles & Stockbridge P.C.
인용정보
피인용 횟수 :
1인용 특허 :
20
초록▼
A cryogenic apparatus is provided having a nested thermally insulating structure, thermal links, a vacuum shroud, and a cryo-cooler. The nested thermally insulated structure holds a sample to be cooled while dampening the external vibrations caused by the cryo-cooler, the surrounding environment or
A cryogenic apparatus is provided having a nested thermally insulating structure, thermal links, a vacuum shroud, and a cryo-cooler. The nested thermally insulated structure holds a sample to be cooled while dampening the external vibrations caused by the cryo-cooler, the surrounding environment or cryo-cooler mounting surface. The thermal link is made of thermally conductive wires which connect the nested thermally insulated structure and the cryo-cooler thereby allowing the apparatus to reduce vibrations inherent in the operation of the cryo-cooler.
대표청구항▼
1. A cryogenic apparatus, comprising: a nested thermally insulated structure for holding a sample to be cooled;a cryo-cooler; anda thermal link connecting the nested thermally insulated structure and the cryo-cooler,wherein the nested thermally insulated structure comprises:a sample chamber for cont
1. A cryogenic apparatus, comprising: a nested thermally insulated structure for holding a sample to be cooled;a cryo-cooler; anda thermal link connecting the nested thermally insulated structure and the cryo-cooler,wherein the nested thermally insulated structure comprises:a sample chamber for containing the sample to be cooled;a sample mount having an upper surface and a lower surface;a first tube coupler;a second tube coupler;an inner thermally insulated tube attached to the lower surface of the sample mount; andan outer thermally insulated tube attached to the inner thermally insulated tube via the first tube coupler and the second tube coupler,wherein:the sample chamber is disposed on a side of the sample mount opposite the inner and outer thermally insulated tubes,the upper surface of the sample mount forms a base of the sample chamber,a top portion of the sample chamber is disposed opposite the upper surface of the sample mount,a radial tube portion of the sample chamber connects the upper surface of the sample mount and the top portion of the sample chamber, andthe outer thermally insulated tube surrounds the inner thermally insulated tube such that a point midway between the top and bottom of the inner thermally insulated tube is disposed between the top and bottom of the outer thermally insulated tube. 2. The cryogenic apparatus of claim 1, further comprising: a middle thermally insulated tube attached to the inner thermally insulated tube via the first tube coupler, and attached to the outer thermally insulated tube via the second tube coupler, wherein:the middle thermally insulated tube surrounds the inner thermally insulated tube such that a point midway between the top and bottom of the inner thermally insulated tube is disposed between the top and bottom of the middle thermally insulated tube, andthe outer thermally insulated tube surrounds the middle thermally insulated tube such that a point midway between the top and bottom of the middle thermally insulated tube is disposed between the top and bottom of the outer thermally insulated tube. 3. The cryogenic apparatus of claim 1, further comprising a mount flange attached to an outer surface of the outer thermally insulated tube. 4. The cryogenic apparatus of claim 2, wherein the inner thermally insulated tube, the middle thermally insulated tube and the outer thermally insulated tube comprise glass fiber and epoxy resin. 5. The cryogenic apparatus of claim 2, wherein the inner thermally insulated tube, the middle thermally insulated tube and the outer thermally insulated tube comprise at least one of carbon fiber, graphite, poly-N,N′-(p,p′-oxydiphenylene pyromellitimide), or polyaryletheretherketone. 6. The cryogenic apparatus of claim 1, wherein the sample mount comprises copper. 7. The cryogenic apparatus of claim 1, wherein the cryo-cooler comprises: a cold head;a high temperature cold finger in communication with the cold head;a low temperature cold finger in communication with the high temperature cold finger; anda cryo-cooler radiation shield,wherein the thermal link has a high temperature thermal link portion and a low temperature thermal link portion,the high temperature thermal link portion connects the second tube coupler with the high temperature cold finger;the low temperature thermal link portion connects the sample mount with the low temperature cold finger, andthe cryo-cooler radiation shield connects the high temperature cold finger and the high temperature thermal link portion.
Goldberg Charles (Florence SC) Schnurer Steven D. (Florence SC) Scaturro ; Jr. John (Florence SC) Obasih Kemakolam M. (Florence SC) Ginfrida ; Jr. Clifford J. (Florence SC), Flexible thermal connection system between a cryogenic refrigerator and an mri superconducting magnet.
Frosh Robert A. Administrator of the National Aeronautics and Space Administration ; with respect to an invention of ( Berwyn Heights MD) Jennings Donald E. (Berwyn Heights MD), Shock isolator for operating a diode laser on a closed-cycle refrigerator.
Boolchand Punit (Cincinnati OH) Lemon George H. (Cincinnati OH) Bresser Wayne J. (Park Hills KY) Enzweiler Raymond N. (Fort Thomas KY) Harris Richard L. (Cincinnati OH), Substantially vibration-free shroud and mounting system for sample cooling and low temperature spectroscopy.
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