Multilayer insulation blanket, fabricating apparatus and method

Gonczy, John D; Niemann, Ralph C; Boroski, William N

Title: Multilayer insulation blanket, fabricating apparatus and method

Abstract

An improved multilayer insulation blanket for insulating cryogenic structures operating at very low temperatures is disclosed. An apparatus and method for fabricating the improved blanket are also disclosed. In the improved blanket, each successive layer of insulating material is greater in length and width than the preceding layer so as to accommodate thermal contraction of the layers closest to the cryogenic structure. The fabricating apparatus has a rotatable cylindrical mandrel having an outer surface of fixed radius that is substantially arcuate, preferably convex, in cross-section. The method of fabricating the improved blanket comprises (a) winding a continuous sheet of thermally reflective material around the circumference of the mandrel to form multiple layers, (b) binding the layers along two lines substantially parallel to the edges of the circumference of the mandrel, (c) cutting the layers along a line parallel to the axle of the mandrel, and (d) removing the bound layers from the mandrel.

Inventors:

Gonczy, John D ^[1]; Niemann, Ralph C ^[2]; Boroski, William N ^[3]

Oak Lawn, IL
Downers Grove, IL
Aurora, IL

Issue Date:: 1992-01-01

Research Org.:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

OSTI Identifier:: 868451

Patent Number(s):: 5143770

Assignee:: Universities Research Association, Inc. (Washington, DC)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16L - PIPES

B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

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F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16L - PIPES
F16L59/026 - {Mattresses, mats, blankets or the like}

B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B27/36 - comprising polyesters
B32B7/02 - Physical, chemical or physicochemical properties

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/24322 - Composite web or sheet

B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B2307/304 - Insulating

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/2476 - Fabric, cloth or textile component

B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B2250/05 - 5 or more layers
B32B27/34 - comprising polyamides
B32B27/08 - of synthetic resin {

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/24752 - Laterally noncoextensive components

B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B2367/00 - Polyesters, e.g. PET, i.e. polyethylene terephthalate
B32B27/281 - {comprising polyimides}
B32B2307/72 - Density

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/24942 - including components having same physical characteristic in differing degree

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DOE Contract Number:: AC02-76CH03000

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: multilayer; insulation; blanket; fabricating; apparatus; method; improved; insulating; cryogenic; structures; operating; temperatures; disclosed; successive; layer; material; length; width; preceding; accommodate; thermal; contraction; layers; closest; structure; rotatable; cylindrical; mandrel; outer; surface; fixed; radius; substantially; arcuate; preferably; convex; cross-section; comprises; winding; continuous; sheet; thermally; reflective; circumference; form; multiple; binding; lines; parallel; edges; cutting; line; axle; removing; bound; reflective material; multiple layer; line parallel; improved blanket; continuous sheet; insulating material; outer surface; substantially parallel; multiple layers; successive layer; thermal contraction; rotatable cylindrical; multilayer insulation; insulation blanket; accommodate thermal; structures operating; fabricating apparatus; form multiple; cylindrical mandrel; layer insulation; improved multilayer; insulating cryogenic; cryogenic structure; cryogenic structures; /428/

Citation Formats


                    Gonczy, John D, Niemann, Ralph C, and Boroski, William N. Multilayer insulation blanket, fabricating apparatus and method.  United States: N. p., 1992. 
        Web.

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                    Gonczy, John D, Niemann, Ralph C, & Boroski, William N. Multilayer insulation blanket, fabricating apparatus and method.  United States.

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                    Gonczy, John D, Niemann, Ralph C, and Boroski, William N. Wed .  
        "Multilayer insulation blanket, fabricating apparatus and method".  United States.  https://www.osti.gov/servlets/purl/868451.

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@article{osti_868451,

  title        = {Multilayer insulation blanket, fabricating apparatus and method},

  author       = {Gonczy, John D and Niemann, Ralph C and Boroski, William N},

  abstractNote = {An improved multilayer insulation blanket for insulating cryogenic structures operating at very low temperatures is disclosed. An apparatus and method for fabricating the improved blanket are also disclosed. In the improved blanket, each successive layer of insulating material is greater in length and width than the preceding layer so as to accommodate thermal contraction of the layers closest to the cryogenic structure. The fabricating apparatus has a rotatable cylindrical mandrel having an outer surface of fixed radius that is substantially arcuate, preferably convex, in cross-section. The method of fabricating the improved blanket comprises (a) winding a continuous sheet of thermally reflective material around the circumference of the mandrel to form multiple layers, (b) binding the layers along two lines substantially parallel to the edges of the circumference of the mandrel, (c) cutting the layers along a line parallel to the axle of the mandrel, and (d) removing the bound layers from the mandrel.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1992},

  month        = {1}

}

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Works referenced in this record:

Radiative and conductive heat transmission through superinsulations — experimental results for aluminium coated plastic foils
journal, July 1973

Kutzner, K.; Schmidt, F.; Wietzke, I.
Cryogenics, Vol. 13, Issue 7
https://doi.org/10.1016/0011-2275(73)90075-1

Systematic study to reduce the effects of cracks in multilayer insulation Part 2: experimental results
journal, June 1987

Shu, Q. S.; Fast, R. W.; Hart, H. L.
Cryogenics, Vol. 27, Issue 6
https://doi.org/10.1016/0011-2275(87)90059-2

Multiple layer insulation forcryogenic applications
journal, March 1961

Kropschot, R. H.
Cryogenics, Vol. 1, Issue 3
https://doi.org/10.1016/S0011-2275(61)80024-6

Outgassing rate of multilayer insulation materials at ambient temperature
journal, May 1980

Glassford, A. P. M.; Liu, C. K.
Journal of Vacuum Science and Technology, Vol. 17, Issue 3
https://doi.org/10.1116/1.570544

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Title: Multilayer insulation blanket, fabricating apparatus and method

Abstract

Citation Formats

Radiative and conductive heat transmission through superinsulations — experimental results for aluminium coated plastic foils journal, July 1973

Systematic study to reduce the effects of cracks in multilayer insulation Part 2: experimental results journal, June 1987

Multiple layer insulation forcryogenic applications journal, March 1961

Outgassing rate of multilayer insulation materials at ambient temperature journal, May 1980

Radiative and conductive heat transmission through superinsulations — experimental results for aluminium coated plastic foils
journal, July 1973

Systematic study to reduce the effects of cracks in multilayer insulation Part 2: experimental results
journal, June 1987

Multiple layer insulation forcryogenic applications
journal, March 1961

Outgassing rate of multilayer insulation materials at ambient temperature
journal, May 1980