GB2377037B - Active shaft grounding system for elf signature control - Google Patents

Active shaft grounding system for elf signature control

Info

Publication number
GB2377037B
GB2377037B GB8927772A GB8927772A GB2377037B GB 2377037 B GB2377037 B GB 2377037B GB 8927772 A GB8927772 A GB 8927772A GB 8927772 A GB8927772 A GB 8927772A GB 2377037 B GB2377037 B GB 2377037B
Authority
GB
United Kingdom
Prior art keywords
elf
grounding system
active shaft
signature control
shaft grounding
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
GB8927772A
Other versions
GB8927772D0 (en
GB2377037A (en
Inventor
Joseph Robert Jacques Bedard
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.)
Minister of National Defence of Canada
UK Secretary of State for Defence
Original Assignee
Minister of National Defence of Canada
UK Secretary of State for Defence
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 Minister of National Defence of Canada, UK Secretary of State for Defence filed Critical Minister of National Defence of Canada
Publication of GB8927772D0 publication Critical patent/GB8927772D0/en
Publication of GB2377037A publication Critical patent/GB2377037A/en
Application granted granted Critical
Publication of GB2377037B publication Critical patent/GB2377037B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
    • B63G9/06—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines for degaussing vessels
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
GB8927772A 1989-05-30 1989-12-08 Active shaft grounding system for elf signature control Expired - Fee Related GB2377037B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 601062 CA1341368C (en) 1989-05-30 1989-05-30 Active shaft grounding system for elf signature control

Publications (3)

Publication Number Publication Date
GB8927772D0 GB8927772D0 (en) 2002-05-22
GB2377037A GB2377037A (en) 2002-12-31
GB2377037B true GB2377037B (en) 2003-04-09

Family

ID=4140121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8927772A Expired - Fee Related GB2377037B (en) 1989-05-30 1989-12-08 Active shaft grounding system for elf signature control

Country Status (2)

Country Link
CA (1) CA1341368C (en)
GB (1) GB2377037B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20301956U1 (en) 2003-02-07 2004-06-17 Ab Skf Device for protecting a bearing of an electrical machine from a damaging electrical continuity
DE102006007437B4 (en) * 2006-02-17 2013-11-07 Siemens Aktiengesellschaft Electric machine with a device for preventing harmful bearing currents and corresponding method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA906054A (en) * 1969-04-18 1972-07-25 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Controlled potential ship grounding system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA906054A (en) * 1969-04-18 1972-07-25 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Controlled potential ship grounding system

Also Published As

Publication number Publication date
GB8927772D0 (en) 2002-05-22
GB2377037A (en) 2002-12-31
CA1341368C (en) 2002-06-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041208