CA2071792C - Methode et moyens utilises pour fournir de la refrigeration - Google Patents

Methode et moyens utilises pour fournir de la refrigeration Download PDF

Info

Publication number: CA2071792C
Authority: CA; Canada
Prior art keywords: holder; container; carbon dioxide; snow; goods
Prior art date: 1991-06-28
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 - Lifetime

Application number

CA002071792A

Other languages

English (en)

Other versions

CA2071792A1 (fr

Inventor

Giles William Parker

Daniel Martin Verster

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

African Oxygen Ltd

Original Assignee

African Oxygen Ltd

Priority date (The priority date 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 date listed.)

1991-06-28

Filing date

1992-06-22

Publication date

2000-03-21

1992-06-22 Application filed by African Oxygen Ltd filed Critical African Oxygen Ltd

1992-12-29 Publication of CA2071792A1 publication Critical patent/CA2071792A1/fr

2000-03-21 Application granted granted Critical

2000-03-21 Publication of CA2071792C publication Critical patent/CA2071792C/fr

2012-06-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 48
238000005057 refrigeration Methods 0.000 title claims abstract description 25
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 209
229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 105
239000001569 carbon dioxide Substances 0.000 claims abstract description 105
239000000463 material Substances 0.000 claims abstract description 23
238000004891 communication Methods 0.000 claims abstract description 6
238000010521 absorption reaction Methods 0.000 claims description 8
239000004033 plastic Substances 0.000 claims description 6
229920003023 plastic Polymers 0.000 claims description 6
239000004744 fabric Substances 0.000 claims description 5
229920000742 Cotton Polymers 0.000 claims description 3
210000002268 wool Anatomy 0.000 claims description 3
239000007789 gas Substances 0.000 description 19
239000007788 liquid Substances 0.000 description 11
-1 polypropylene Polymers 0.000 description 11
238000000859 sublimation Methods 0.000 description 9
230000008022 sublimation Effects 0.000 description 9
239000004743 Polypropylene Substances 0.000 description 8
229920001155 polypropylene Polymers 0.000 description 8
238000006243 chemical reaction Methods 0.000 description 6
230000035939 shock Effects 0.000 description 6
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
239000013256 coordination polymer Substances 0.000 description 5
238000007710 freezing Methods 0.000 description 5
230000008014 freezing Effects 0.000 description 5
229910052760 oxygen Inorganic materials 0.000 description 5
239000001301 oxygen Substances 0.000 description 5
238000012384 transportation and delivery Methods 0.000 description 5
241000273930 Brevoortia tyrannus Species 0.000 description 4
238000002347 injection Methods 0.000 description 4
239000007924 injection Substances 0.000 description 4
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
239000004677 Nylon Substances 0.000 description 3
239000004698 Polyethylene Substances 0.000 description 3
229910052799 carbon Inorganic materials 0.000 description 3
235000013365 dairy product Nutrition 0.000 description 3
229920001778 nylon Polymers 0.000 description 3
239000002245 particle Substances 0.000 description 3
229920000573 polyethylene Polymers 0.000 description 3
235000013311 vegetables Nutrition 0.000 description 3
230000002411 adverse Effects 0.000 description 2
239000002826 coolant Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 2
235000021022 fresh fruits Nutrition 0.000 description 2
238000009434 installation Methods 0.000 description 2
239000011810 insulating material Substances 0.000 description 2
230000035699 permeability Effects 0.000 description 2
229920002635 polyurethane Polymers 0.000 description 2
239000004814 polyurethane Substances 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000012360 testing method Methods 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229920005830 Polyurethane Foam Polymers 0.000 description 1
240000004808 Saccharomyces cerevisiae Species 0.000 description 1
235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
238000010420 art technique Methods 0.000 description 1
230000003385 bacteriostatic effect Effects 0.000 description 1
235000013405 beer Nutrition 0.000 description 1
235000013361 beverage Nutrition 0.000 description 1
230000003115 biocidal effect Effects 0.000 description 1
238000005056 compaction Methods 0.000 description 1
235000009508 confectionery Nutrition 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
235000013399 edible fruits Nutrition 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000009413 insulation Methods 0.000 description 1
238000002955 isolation Methods 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
235000013372 meat Nutrition 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000011496 polyurethane foam Substances 0.000 description 1
244000144977 poultry Species 0.000 description 1
235000013594 poultry meat Nutrition 0.000 description 1
239000000843 powder Substances 0.000 description 1
235000014102 seafood Nutrition 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
238000005303 weighing Methods 0.000 description 1

CA002071792A 1991-06-28 1992-06-22 Methode et moyens utilises pour fournir de la refrigeration Expired - Lifetime CA2071792C (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
ZA915027		1991-06-28
ZA91/5027		1991-06-28
ZA923244A ZA923244B (en)	1991-06-28	1992-05-05	A method and means for providing refrigeration
ZA92/3244		1992-05-05

Publications (2)

Publication Number	Publication Date
CA2071792A1 CA2071792A1 (fr)	1992-12-29
CA2071792C true CA2071792C (fr)	2000-03-21

Family

ID=27142038

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002071792A Expired - Lifetime CA2071792C (fr)	1991-06-28	1992-06-22	Methode et moyens utilises pour fournir de la refrigeration

Country Status (2)

Country	Link
CA (1)	CA2071792C (fr)
ZA (1)	ZA923244B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3228962A1 (fr) *	2016-04-04	2017-10-11	Linde Aktiengesellschaft	Procédé de calcul de blocs de glace sèche et appareil associé

1992
- 1992-05-05 ZA ZA923244A patent/ZA923244B/xx unknown
- 1992-06-22 CA CA002071792A patent/CA2071792C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ZA923244B (en)	1993-01-27
CA2071792A1 (fr)	1992-12-29

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Legal Events

Date	Code	Title	Description
1992-06-22	EEER	Examination request
2012-06-22	MKLA	Lapsed
2012-12-11	MKEC	Expiry (correction)	Effective date: 20121211