GB1498177A - Data recorders - Google Patents
Data recordersInfo
- Publication number
- GB1498177A GB1498177A GB18786/74A GB1878674A GB1498177A GB 1498177 A GB1498177 A GB 1498177A GB 18786/74 A GB18786/74 A GB 18786/74A GB 1878674 A GB1878674 A GB 1878674A GB 1498177 A GB1498177 A GB 1498177A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphate
- tape deck
- recorder
- casing
- gap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000463 material Substances 0.000 abstract 5
- 238000009413 insulation Methods 0.000 abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 3
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 3
- 239000013078 crystal Substances 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 2
- 230000008025 crystallization Effects 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000004343 Calcium peroxide Substances 0.000 abstract 1
- 239000001063 aluminium ammonium sulphate Substances 0.000 abstract 1
- 235000011124 aluminium ammonium sulphate Nutrition 0.000 abstract 1
- LCQXXBOSCBRNNT-UHFFFAOYSA-K ammonium aluminium sulfate Chemical compound [NH4+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LCQXXBOSCBRNNT-UHFFFAOYSA-K 0.000 abstract 1
- LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical compound [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 abstract 1
- 235000019402 calcium peroxide Nutrition 0.000 abstract 1
- OIDPCXKPHYRNKH-UHFFFAOYSA-J chrome alum Chemical compound [K]OS(=O)(=O)O[Cr]1OS(=O)(=O)O1 OIDPCXKPHYRNKH-UHFFFAOYSA-J 0.000 abstract 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 abstract 1
- 239000011696 chromium(III) sulphate Substances 0.000 abstract 1
- 235000015217 chromium(III) sulphate Nutrition 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Compositions for or methods of fixing a thermally insulating material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/06—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using web-form record carriers, e.g. tape
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0209—Thermal insulation, e.g. for fire protection or for fire containment or for high temperature environments
- H05K5/021—Thermal insulation, e.g. for fire protection or for fire containment or for high temperature environments specially adapted for data recorders, e.g. for flight recorders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
1498177 Tape-recorder casings SPERRY RAND Ltd 11 June 1975 [30 April 1974] 18786/74 Heading G5R [Also in Division F2] Apparatus, e.g. an aircraft data recorder (crash recorder), has thermal protection comprising an ablative material, i.e. a material which may be removed wholly or in part by evaporation, located in and/or around the apparatus in the form of, for example, a chemical salt having water of crystallization as part of its molecular structure. Suitable ablative materials include cupric sulphate, aluminium ammonium sulphate, chromic sulphate, sodium sulphite, chromic potassium sulphate, tetra sodium pyrophosphate, hydrated calcium peroxide, and tri basic sodium orthophosphate. In one particular embodiment, Fig. 1, a crash recorder 1 comprises a tape deck 2, an outer metal casing 3 providing the primary physical protection, and thermal insulation disposed between the casing 3 and the tape deck 2. The thermal insulation comprises inner and outer portions 4A, 4B, the gap 5 between which is 0À005 to 0À010 inch wide. Opposed sides 6, 6<SP>1</SP> of the tape deck 2 have respective cavities 7, 7<SP>1</SP> filled with an ablative material 8 in the form of crystals of cupric sulphate (CuSO 4 . 5H 2 O). Apertures 9, 91 formed in the respective sides 6, 6<SP>1</SP> of the tape deck 2 communicate with the associated cavity 7, 7<SP>1</SP>, the apertures receiving one end of associated metal tubes 11, 11<SP>1</SP> which pass through the inner thermal insulation 4A and terminate at the gap 5. Each aperture 9, 9<SP>1</SP> is sealed by a material 12, 12<SP>1</SP> having a m.p. of about 100 C., to prevent ingress of moisture to the cavities 7, 7<SP>1</SP>. A plurality of vent holes 13, 13<SP>1</SP> are provided in respective opposed ends 10, 10<SP>1</SP> of the casing 3. In the event of the crash recorder 1 being subjected to a fire, the tape deck 2 will eventually reach a temperature of 100 C. at which the seals 12, 121 melt so that the cavities 7, 71 are in direct communication with the tubes 11, 11<SP>1</SP>. As the temperature continues to rise, the water of crystallization of the cupric sulphate crystals 8 will start to be boiled off, at about 104 C., and steam will issue from the tubes 11, 11<SP>1</SP> and be directed by ducting strips (not shown) within the gap 5 to follow paths covering the entire internal surface of the outer insulation 4B before leaving the casing 3 via the vent holes 13, 13<SP>1</SP>.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB18786/74A GB1498177A (en) | 1975-06-11 | 1975-06-11 | Data recorders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB18786/74A GB1498177A (en) | 1975-06-11 | 1975-06-11 | Data recorders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1498177A true GB1498177A (en) | 1978-01-18 |
Family
ID=10118420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18786/74A Expired GB1498177A (en) | 1975-06-11 | 1975-06-11 | Data recorders |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1498177A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592131A1 (en) * | 1985-12-24 | 1987-06-26 | Aerospatiale | MATERIAL DIRECTLY APPLICABLE TO BE USED AS A PROTECTION SCREEN OR THERMAL DISSIPATION. |
| GB2242304A (en) * | 1990-03-24 | 1991-09-25 | Broadgate Ltd | Heat-proof casings for electrical equipment |
| EP0479680A1 (en) * | 1990-10-05 | 1992-04-08 | Societe De Fabrication D'instruments De Mesure (S.F.I.M.) | Thermal protection device, in particular for the protection of an airplane "black box" |
| FR2685644A1 (en) * | 1991-12-31 | 1993-07-02 | Sfim | DEVICE FOR MECHANICAL AND THERMAL PROTECTION, IN PARTICULAR FOR THE PROTECTION OF DATA RECORDERS INSTALLED ON BOARD AIRCRAFT. |
| WO2007135355A1 (en) | 2006-05-20 | 2007-11-29 | Penny & Giles Aerospace Limited | Fireproof enclosure |
| US7566484B2 (en) | 1995-09-07 | 2009-07-28 | Hayes And Associates | Heat absorbing temperature control devices that include hydroxide |
| CN100557642C (en) * | 2007-07-05 | 2009-11-04 | 山西科泰微技术有限公司 | Fire-fighting black box |
| CN114905829A (en) * | 2022-05-11 | 2022-08-16 | 深圳镝普材料科技有限公司 | A kind of electronic component composition for protecting internal information and preparation method |
-
1975
- 1975-06-11 GB GB18786/74A patent/GB1498177A/en not_active Expired
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0230831A1 (en) * | 1985-12-24 | 1987-08-05 | AEROSPATIALE Société Nationale Industrielle | Product for the instantaneous use as a thermal protection or dissipation screen |
| US4814371A (en) * | 1985-12-24 | 1989-03-21 | Aerospatiale Societe Nationale Industrielle | Heatshield material |
| FR2592131A1 (en) * | 1985-12-24 | 1987-06-26 | Aerospatiale | MATERIAL DIRECTLY APPLICABLE TO BE USED AS A PROTECTION SCREEN OR THERMAL DISSIPATION. |
| GB2242304B (en) * | 1990-03-24 | 1994-06-01 | Broadgate Ltd | Heat-proof casings for electrical equipment |
| GB2242304A (en) * | 1990-03-24 | 1991-09-25 | Broadgate Ltd | Heat-proof casings for electrical equipment |
| EP0479680A1 (en) * | 1990-10-05 | 1992-04-08 | Societe De Fabrication D'instruments De Mesure (S.F.I.M.) | Thermal protection device, in particular for the protection of an airplane "black box" |
| FR2667675A1 (en) * | 1990-10-05 | 1992-04-10 | Sfim | THERMAL PROTECTION DEVICE, IN PARTICULAR FOR THE PROTECTION OF THE BLACK BOX OF AN AIRCRAFT. |
| FR2685644A1 (en) * | 1991-12-31 | 1993-07-02 | Sfim | DEVICE FOR MECHANICAL AND THERMAL PROTECTION, IN PARTICULAR FOR THE PROTECTION OF DATA RECORDERS INSTALLED ON BOARD AIRCRAFT. |
| EP0550345A1 (en) * | 1991-12-31 | 1993-07-07 | Sfim Industries | Aircraft data recorder box |
| US7566484B2 (en) | 1995-09-07 | 2009-07-28 | Hayes And Associates | Heat absorbing temperature control devices that include hydroxide |
| WO2007135355A1 (en) | 2006-05-20 | 2007-11-29 | Penny & Giles Aerospace Limited | Fireproof enclosure |
| US8472189B2 (en) | 2006-05-20 | 2013-06-25 | Penny & Giles Aerospace Ltd. | Fireproof enclosure |
| CN100557642C (en) * | 2007-07-05 | 2009-11-04 | 山西科泰微技术有限公司 | Fire-fighting black box |
| CN114905829A (en) * | 2022-05-11 | 2022-08-16 | 深圳镝普材料科技有限公司 | A kind of electronic component composition for protecting internal information and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |