GB2230388B - Noise reduction in an appliance with a high-voltage transformer - Google Patents

Noise reduction in an appliance with a high-voltage transformer

Info

Publication number
GB2230388B
GB2230388B GB9007901A GB9007901A GB2230388B GB 2230388 B GB2230388 B GB 2230388B GB 9007901 A GB9007901 A GB 9007901A GB 9007901 A GB9007901 A GB 9007901A GB 2230388 B GB2230388 B GB 2230388B
Authority
GB
United Kingdom
Prior art keywords
appliance
noise reduction
voltage transformer
transformer
voltage
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 - Fee Related
Application number
GB9007901A
Other versions
GB9007901D0 (en
GB2230388A (en
Inventor
Klaus Dengler
Josef Wurm
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9007901D0 publication Critical patent/GB9007901D0/en
Publication of GB2230388A publication Critical patent/GB2230388A/en
Application granted granted Critical
Publication of GB2230388B publication Critical patent/GB2230388B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/33—Arrangements for noise damping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Electric Ovens (AREA)
GB9007901A 1989-04-07 1990-04-06 Noise reduction in an appliance with a high-voltage transformer Expired - Fee Related GB2230388B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8904380U DE8904380U1 (en) 1989-04-07 1989-04-07 High voltage transformer

Publications (3)

Publication Number Publication Date
GB9007901D0 GB9007901D0 (en) 1990-06-06
GB2230388A GB2230388A (en) 1990-10-17
GB2230388B true GB2230388B (en) 1993-10-06

Family

ID=6838054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9007901A Expired - Fee Related GB2230388B (en) 1989-04-07 1990-04-06 Noise reduction in an appliance with a high-voltage transformer

Country Status (6)

Country Link
DD (1) DD299096A5 (en)
DE (1) DE8904380U1 (en)
ES (1) ES1013120Y (en)
FR (1) FR2646010B1 (en)
GB (1) GB2230388B (en)
IT (1) IT219424Z2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040064131A (en) 2003-01-09 2004-07-16 삼성전자주식회사 Microwave oven

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1141086A (en) * 1966-09-19 1969-01-22 Toko Inc Improvements in or relating to high frequency transformers
GB2102631A (en) * 1981-07-04 1983-02-02 Philips Nv Transformer with a magnetic screen
US4373608A (en) * 1979-12-20 1983-02-15 General Electric Company Tuned sound barriers
GB2119580A (en) * 1982-03-03 1983-11-16 Philips Nv Wound electrical component
GB2128033A (en) * 1982-09-29 1984-04-18 Westinghouse Electric Corp Torindal transformer with electrostatic shield

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1010979A (en) * 1973-09-14 1977-05-24 Ibm Canada Limited - Ibm Canada Limitee Magnetic field shielding for acoustic noise control
SE441793B (en) * 1981-09-16 1985-11-04 Asea Ab The transformer IES
CA1309752C (en) * 1987-05-14 1992-11-03 Kimiaki Yamaguchi Stationary induction apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1141086A (en) * 1966-09-19 1969-01-22 Toko Inc Improvements in or relating to high frequency transformers
US4373608A (en) * 1979-12-20 1983-02-15 General Electric Company Tuned sound barriers
GB2102631A (en) * 1981-07-04 1983-02-02 Philips Nv Transformer with a magnetic screen
GB2119580A (en) * 1982-03-03 1983-11-16 Philips Nv Wound electrical component
GB2128033A (en) * 1982-09-29 1984-04-18 Westinghouse Electric Corp Torindal transformer with electrostatic shield

Also Published As

Publication number Publication date
GB9007901D0 (en) 1990-06-06
IT9020888U1 (en) 1991-09-23
DD299096A5 (en) 1992-03-26
IT219424Z2 (en) 1993-02-26
FR2646010A1 (en) 1990-10-19
GB2230388A (en) 1990-10-17
FR2646010B1 (en) 1995-07-13
DE8904380U1 (en) 1989-05-24
ES1013120U (en) 1990-11-01
IT9020888V0 (en) 1990-03-23
ES1013120Y (en) 1991-05-01

Similar Documents

Publication Publication Date Title
GB2230148B (en) Electric noise absorber
GR900100824A (en) Appliance
EP0478232A3 (en) Power factor improving arrangement
GB2271894B (en) Electric appliance
GB2233159B (en) Electric noise absorber device
GB9004494D0 (en) Transformers
GB2228588B (en) Cooking appliances
GB2262649B (en) Energy analyser
GB2230388B (en) Noise reduction in an appliance with a high-voltage transformer
HK1000744A1 (en) High-voltage transformer
GB2231444B (en) An interrupter with voltage transformer
GB2236216B (en) Transformer and connector assembly
EP0468299A3 (en) Circuit arrangement with a transformer
GB9209352D0 (en) Improvements in cooking devices
GB9321647D0 (en) Component with transformer function
GB2230651B (en) Mounting of a high-voltage transformer in an appliance
RU1821824C (en) Shielded transformer
ZA925951B (en) An electric stove
CA64487S (en) Electric skillet
GB8921686D0 (en) Transformer
GB8929247D0 (en) Transformer
GB9200744D0 (en) Convertable table
GB9322261D0 (en) Incontinence appliance
GB8904075D0 (en) Convertable table
GB2221531B (en) Cooking appliances

Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19950419

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010406