GB0021911D0 - Cooling fans - Google Patents

Cooling fans

Info

Publication number
GB0021911D0
GB0021911D0 GB0021911A GB0021911A GB0021911D0 GB 0021911 D0 GB0021911 D0 GB 0021911D0 GB 0021911 A GB0021911 A GB 0021911A GB 0021911 A GB0021911 A GB 0021911A GB 0021911 D0 GB0021911 D0 GB 0021911D0
Authority
GB
United Kingdom
Prior art keywords
cooling fans
fans
cooling
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.)
Withdrawn
Application number
GB0021911A
Other versions
GB2370166A (en
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.)
BEER DAVID J
Original Assignee
BEER DAVID J
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 BEER DAVID J filed Critical BEER DAVID J
Priority to GB0021911A priority Critical patent/GB2370166A/en
Publication of GB0021911D0 publication Critical patent/GB0021911D0/en
Publication of GB2370166A publication Critical patent/GB2370166A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • H02P5/68—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • F01P7/048—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using electrical drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
GB0021911A 2000-09-07 2000-09-07 Series/parallel control of cooling fans Withdrawn GB2370166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0021911A GB2370166A (en) 2000-09-07 2000-09-07 Series/parallel control of cooling fans

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0021911A GB2370166A (en) 2000-09-07 2000-09-07 Series/parallel control of cooling fans

Publications (2)

Publication Number Publication Date
GB0021911D0 true GB0021911D0 (en) 2000-10-25
GB2370166A GB2370166A (en) 2002-06-19

Family

ID=9898990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0021911A Withdrawn GB2370166A (en) 2000-09-07 2000-09-07 Series/parallel control of cooling fans

Country Status (1)

Country Link
GB (1) GB2370166A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3835258B2 (en) * 2001-01-09 2006-10-18 日産自動車株式会社 Motor fan control device
CN106330009B (en) * 2016-08-31 2019-07-16 深圳市若腾科技有限公司 Electric motor system and motor drive circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317488A1 (en) * 1975-07-11 1977-02-04 Citroen Sa COOLING CIRCUIT REGULATION DEVICE
DE2815595A1 (en) * 1978-04-08 1979-10-18 Licentia Gmbh Railway train air conditioner compressor drive - uses double motor with armatures connected in series or in parallel for speed control
DE2827373A1 (en) * 1978-06-22 1980-01-03 Porsche Ag ELECTRICAL CIRCUIT FOR DRIVING COOLED BLOWERS OF AN INTERNAL COMBUSTION ENGINE

Also Published As

Publication number Publication date
GB2370166A (en) 2002-06-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)