GB1543017A – Vacuum switches
– Google Patents
GB1543017A – Vacuum switches
– Google Patents
Vacuum switches
Info
Publication number
GB1543017A
GB1543017A
GB8830/77A
GB883077A
GB1543017A
GB 1543017 A
GB1543017 A
GB 1543017A
GB 8830/77 A
GB8830/77 A
GB 8830/77A
GB 883077 A
GB883077 A
GB 883077A
GB 1543017 A
GB1543017 A
GB 1543017A
Authority
GB
United Kingdom
Prior art keywords
vacuum switches
switches
vacuum
Prior art date
1976-03-03
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
GB8830/77A
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.)
Hazemeijer BV
Original Assignee
Hazemeijer BV
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.)
1976-03-03
Filing date
1977-03-02
Publication date
1979-03-28
1977-03-02
Application filed by Hazemeijer BV
filed
Critical
Hazemeijer BV
1979-03-28
Publication of GB1543017A
publication
Critical
patent/GB1543017A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
H01H33/66—Vacuum switches
H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
H01H33/6641—Contacts; Arc-extinguishing means, e.g. arcing rings making use of a separate coil
E—FIXED CONSTRUCTIONS
E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
E02F—DREDGING; SOIL-SHIFTING
E02F3/00—Dredgers; Soil-shifting machines
E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
E—FIXED CONSTRUCTIONS
E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
E02F—DREDGING; SOIL-SHIFTING
E02F3/00—Dredgers; Soil-shifting machines
E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
E02F3/36—Component parts
E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
E02F3/401—Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload
E—FIXED CONSTRUCTIONS
E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
E02F—DREDGING; SOIL-SHIFTING
E02F3/00—Dredgers; Soil-shifting machines
E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
E02F3/627—Devices to connect beams or arms to tractors or similar self-propelled machines, e.g. drives therefor
E02F3/6273—Devices to connect beams or arms to tractors or similar self-propelled machines, e.g. drives therefor using legs to support the beams or arms on the ground during the connecting process
GB8830/77A
1976-03-03
1977-03-02
Vacuum switches
Expired
GB1543017A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
NL7602209.A
NL161609C
(en)
1976-03-03
1976-03-03
VACUUM SWITCH.
Publications (1)
Publication Number
Publication Date
GB1543017A
true
GB1543017A
(en)
1979-03-28
Family
ID=19825732
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB8830/77A
Expired
GB1543017A
(en)
1976-03-03
1977-03-02
Vacuum switches
Country Status (16)
Country
Link
US
(1)
US4109122A
(en)
JP
(1)
JPS52106475A
(en)
AT
(1)
ATA143577A
(en)
BE
(1)
BE852058A
(en)
CA
(1)
CA1066335A
(en)
CH
(1)
CH611454A5
(en)
DE
(1)
DE2709363C3
(en)
ES
(1)
ES456501A1
(en)
FR
(1)
FR2343325A1
(en)
GB
(1)
GB1543017A
(en)
IN
(1)
IN147208B
(en)
IT
(1)
IT1206432B
(en)
NL
(2)
NL161609C
(en)
NO
(1)
NO142465C
(en)
SE
(1)
SE410917B
(en)
ZA
(1)
ZA771248B
(en)
Families Citing this family (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4725701A
(en)
*
1985-08-30
1988-02-16
General Electric Company
Low voltage vacuum circuit interrupter
US4667071A
(en)
*
1985-08-30
1987-05-19
General Electric Company
Low voltage vacuum circuit interrupter
DE3617653A1
(en)
*
1986-04-30
1987-11-05
Bbc Brown Boveri & Cie
TEST CIRCUIT
US5464956A
(en)
*
1994-04-08
1995-11-07
S&C Electric Company
Rotating arc interrupter for loadbreak switch
CN112992600B
(en)
*
2019-12-17
2023-02-17
天津平高智能电气有限公司
Vacuum arc extinguish chamber vacuum degree measuring device
Family Cites Families (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
BE517673A
(en)
*
1952-02-14
BE539076A
(en)
*
1954-07-16
US3185797A
(en)
*
1962-07-17
1965-05-25
Gen Electric
Vacuum-type circuit interrupter with improved arc splitting means
US3845263A
(en)
*
1972-11-07
1974-10-29
Westinghouse Electric Corp
Circuit breaker with spring charged operating mechanism
US4021628A
(en)
*
1975-01-20
1977-05-03
Westinghouse Electric Corporation
Vacuum fault current limiter
0
NL
NL101699D
patent/NL101699C/xx
active
1976
1976-03-03
NL
NL7602209.A
patent/NL161609C/en
not_active
IP Right Cessation
1977
1977-03-01
US
US05/773,273
patent/US4109122A/en
not_active
Expired – Lifetime
1977-03-01
FR
FR7705986A
patent/FR2343325A1/en
active
Granted
1977-03-01
SE
SE7702253A
patent/SE410917B/en
unknown
1977-03-02
JP
JP2163777A
patent/JPS52106475A/en
active
Pending
1977-03-02
GB
GB8830/77A
patent/GB1543017A/en
not_active
Expired
1977-03-02
IN
IN308/CAL/77A
patent/IN147208B/en
unknown
1977-03-02
NO
NO770715A
patent/NO142465C/en
unknown
1977-03-02
ZA
ZA00771248A
patent/ZA771248B/en
unknown
1977-03-03
ES
ES456501A
patent/ES456501A1/en
not_active
Expired
1977-03-03
AT
AT0143577A
patent/ATA143577A/en
not_active
IP Right Cessation
1977-03-03
DE
DE2709363A
patent/DE2709363C3/en
not_active
Expired
1977-03-03
CH
CH268277A
patent/CH611454A5/xx
not_active
IP Right Cessation
1977-03-03
BE
BE175452A
patent/BE852058A/en
unknown
1977-03-03
CA
CA273,154A
patent/CA1066335A/en
not_active
Expired
1977-03-29
IT
IT7767676A
patent/IT1206432B/en
active
Also Published As
Publication number
Publication date
FR2343325B1
(en)
1981-03-06
CA1066335A
(en)
1979-11-13
ES456501A1
(en)
1978-02-01
DE2709363A1
(en)
1977-09-08
SE410917B
(en)
1979-11-12
US4109122A
(en)
1978-08-22
BE852058A
(en)
1977-09-05
IT1206432B
(en)
1989-04-21
DE2709363C3
(en)
1980-06-19
AU2283577A
(en)
1978-04-06
NO770715L
(en)
1977-09-06
ZA771248B
(en)
1978-01-25
JPS52106475A
(en)
1977-09-07
NL101699C
(en)
NO142465C
(en)
1980-08-20
DE2709363B2
(en)
1979-09-27
NL7602209A
(en)
1977-09-06
NL161609C
(en)
1980-02-15
SE7702253L
(en)
1977-09-04
FR2343325A1
(en)
1977-09-30
ATA143577A
(en)
1982-04-15
IN147208B
(en)
1979-12-22
CH611454A5
(en)
1979-05-31
NL161609B
(en)
1979-09-17
NO142465B
(en)
1980-05-12
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Legal Events
Date
Code
Title
Description
1979-06-13
PS
Patent sealed [section 19, patents act 1949]
1982-09-29
PCNP
Patent ceased through non-payment of renewal fee
