GB1072528A - Improvements in or relating to air drying apparatus - Google Patents

Improvements in or relating to air drying apparatus

Info

Publication number
GB1072528A
GB1072528A GB1482165A GB1482165A GB1072528A GB 1072528 A GB1072528 A GB 1072528A GB 1482165 A GB1482165 A GB 1482165A GB 1482165 A GB1482165 A GB 1482165A GB 1072528 A GB1072528 A GB 1072528A
Authority
GB
United Kingdom
Prior art keywords
transformer
oil
desiccant
air
heated
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
Application number
GB1482165A
Inventor
Charles Henry Potts
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.)
Dryvent Ltd
Original Assignee
Dryvent 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.)
Filing date
Publication date
Application filed by Dryvent Ltd filed Critical Dryvent Ltd
Priority to GB1482165A priority Critical patent/GB1072528A/en
Publication of GB1072528A publication Critical patent/GB1072528A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)

Abstract

1,072,528. Transformer breathers. DRYVENT Ltd. May 25, 1966 [April 7, 1965; May 27, 1965], Nos. 14821/65 and 22624/65 Heading B1L. [Also in Division H1] In a dehydrating breather for an oil-filled transformer, the desiccant is regenerated by heating while air is being expelled from the transformer. The desiccant or air being expelled may be heated by the transformer oil to supply all or part of the required heat or heating may be achieved using either the transformer-oil or an independent heat source (e.g. electrical) operated by a pressure switch . which will be actuated by the increase in gas pressure caused by a restricted outlet valve. Fig. 2 shows a desiccant charge 8 in a container having inlet 13, from the transformer conservator tank. Air is admitted from the atmosphere through valve 15 and leaves thereto through valve 16. The space 10 surrounding the desiccant container and inlet 13 contains oil which passes to and from the transformer via passage 11 and to and from the conservator tank via passage 12. When the oil in the transformer is being heated, heated oil passes from the transformer to the conservator tank and in passage heats the desiccant and the inlet 13, while air is expelled from the conservator tank and passes to the atmosphere at 16 after regenerating the desiccant 8. When the transformer oil cools. relatively cool oil returns to the transformer from the conservator tank, thus sucking air in at valve 15 through the cooled desiccant to be thus dried. In Fig. 3 (not shown), the oil jacket is omitted, and expelled air is heated by passage through a coil (23) in transformer oil (24) before entering breather (25) to regenerate the desiccant therein. In Fig. 4 (not shown) air passages to desiccant (32) directly by tube (33) to and from the space (34) at the top of transformer (31). Conventional oil cooling tube (30) passes through the charge (32) and the circulation of oil therethrough when the transformer becomes heated is sufficient to heat the desiccant for the regeneration thereof.
GB1482165A 1965-04-07 1965-04-07 Improvements in or relating to air drying apparatus Expired GB1072528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1482165A GB1072528A (en) 1965-04-07 1965-04-07 Improvements in or relating to air drying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1482165A GB1072528A (en) 1965-04-07 1965-04-07 Improvements in or relating to air drying apparatus

Publications (1)

Publication Number Publication Date
GB1072528A true GB1072528A (en) 1967-06-21

Family

ID=10048086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1482165A Expired GB1072528A (en) 1965-04-07 1965-04-07 Improvements in or relating to air drying apparatus

Country Status (1)

Country Link
GB (1) GB1072528A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0020933A1 (en) * 1979-06-29 1981-01-07 International Business Machines Corporation Control of relative humidity in disk files
WO2012156990A2 (en) 2011-05-10 2012-11-22 Mhala Anil Sahadeo Air restoring breather
CN103680834A (en) * 2013-12-10 2014-03-26 江山市海维输变电科技有限公司 Transformer oil conservator with piston structure
CN105097205A (en) * 2015-09-09 2015-11-25 明珠电气有限公司 Freeze-prevention device and method for moisture absorbent of oil immersed transformer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0020933A1 (en) * 1979-06-29 1981-01-07 International Business Machines Corporation Control of relative humidity in disk files
US4599670A (en) * 1979-06-29 1986-07-08 International Business Machines Corporation Control of relative humidity in machine enclosures
WO2012156990A2 (en) 2011-05-10 2012-11-22 Mhala Anil Sahadeo Air restoring breather
CN103680834A (en) * 2013-12-10 2014-03-26 江山市海维输变电科技有限公司 Transformer oil conservator with piston structure
CN103680834B (en) * 2013-12-10 2016-02-03 江山海维科技有限公司 A kind of transformer oil storage of piston structure
CN105097205A (en) * 2015-09-09 2015-11-25 明珠电气有限公司 Freeze-prevention device and method for moisture absorbent of oil immersed transformer
CN105097205B (en) * 2015-09-09 2017-08-29 明珠电气股份有限公司 A kind of anti-freezing apparatus and method of the hygroscopic agent of oil-filled transformer

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