GB1348210A - Step selectro for transformer tap changers - Google Patents

Step selectro for transformer tap changers

Info

Publication number: GB1348210A
Authority: GB; United Kingdom
Prior art keywords: selectro; transformer tap; tap changers; changers; transformer
Prior art date: 1971-06-21
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

GB2874272A

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.)

ABB Norden Holding AB

Original Assignee

ASEA AB

Allmanna Svenska Elektriska AB

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.)

1971-06-21

Filing date

1972-06-20

Publication date

1974-03-13

1972-06-20 Application filed by ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB

1974-03-13 Publication of GB1348210A publication Critical patent/GB1348210A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices

GB2874272A 1971-06-21 1972-06-20 Step selectro for transformer tap changers Expired GB1348210A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE08013/71A SE350144B (en)	1971-06-21	1971-06-21

Publications (1)

Publication Number	Publication Date
GB1348210A true GB1348210A (en)	1974-03-13

Family

ID=20272894

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB2874272A Expired GB1348210A (en)	1971-06-21	1972-06-20	Step selectro for transformer tap changers

Country Status (6)

Country	Link
US (1)	US3721895A (en)
AT (1)	AT314666B (en)
BE (1)	BE784410A (en)
DE (1)	DE2229756B2 (en)
GB (1)	GB1348210A (en)
SE (1)	SE350144B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2528444C2 (en) *	1975-06-26	1980-02-14	Maschinenfabrik Reinhausen Gebrueder Scheubeck Gmbh & Co Kg, 8400 Regensburg	Step selector for step switches of step transformers
SE417144B (en) *	1978-11-22	1981-02-23	Asea Ab	AUDIO-changers
DE19501529C1 (en) *	1995-01-19	1996-06-20	Reinhausen Maschf Scheubeck	Stepping transformer load switching device

1971
- 1971-06-21 SE SE08013/71A patent/SE350144B/xx unknown
1972
- 1972-06-05 BE BE784410A patent/BE784410A/en unknown
- 1972-06-09 US US00261239A patent/US3721895A/en not_active Expired - Lifetime
- 1972-06-19 AT AT527072A patent/AT314666B/en not_active IP Right Cessation
- 1972-06-19 DE DE19722229756 patent/DE2229756B2/en not_active Ceased
- 1972-06-20 GB GB2874272A patent/GB1348210A/en not_active Expired

Also Published As

Publication number	Publication date
DE2229756A1 (en)	1972-12-28
US3721895A (en)	1973-03-20
SE350144B (en)	1972-10-16
AT314666B (en)	1974-04-25
DE2229756B2 (en)	1976-10-14
BE784410A (en)	1972-10-02

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Legal Events

Date	Code	Title	Description
1974-07-24	PS	Patent sealed [section 19, patents act 1949]
1986-02-19	PCNP	Patent ceased through non-payment of renewal fee