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GB2227365B - Level detector - Google Patents

Level detector

Info

Publication number
GB2227365B
GB2227365B GB8928747A GB8928747A GB2227365B GB 2227365 B GB2227365 B GB 2227365B GB 8928747 A GB8928747 A GB 8928747A GB 8928747 A GB8928747 A GB 8928747A GB 2227365 B GB2227365 B GB 2227365B
Authority
GB
United Kingdom
Prior art keywords
level detector
detector
level
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 - Lifetime
Application number
GB8928747A
Other versions
GB2227365A (en
GB8928747D0 (en
Inventor
Edward Alasdair Charles
Andrew William Mark
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 GB8928747D0 publication Critical patent/GB8928747D0/en
Publication of GB2227365A publication Critical patent/GB2227365A/en
Application granted granted Critical
Publication of GB2227365B publication Critical patent/GB2227365B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
    • H01H29/22—Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and solid
GB8928747A 1988-12-24 1989-12-20 Level detector Expired - Lifetime GB2227365B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888830241A GB8830241D0 (en) 1988-12-24 1988-12-24 Precision level detector

Publications (3)

Publication Number Publication Date
GB8928747D0 GB8928747D0 (en) 1990-02-28
GB2227365A GB2227365A (en) 1990-07-25
GB2227365B true GB2227365B (en) 1992-09-02

Family

ID=10649172

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888830241A Pending GB8830241D0 (en) 1988-12-24 1988-12-24 Precision level detector
GB8928747A Expired - Lifetime GB2227365B (en) 1988-12-24 1989-12-20 Level detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888830241A Pending GB8830241D0 (en) 1988-12-24 1988-12-24 Precision level detector

Country Status (1)

Country Link
GB (2) GB8830241D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106876207A (en) * 2017-04-18 2017-06-20 龙邹 A kind of Sparkless switch

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468603A (en) * 1936-11-10 1937-07-08 Frantisek Hejduk Improvements in or relating to automatic electric switches, particularly for street petrol stations
GB716445A (en) * 1951-03-29 1954-10-06 Wilhelm Schlattner Improvements in and relating to an electrical warning device
GB1030577A (en) * 1961-12-12 1966-05-25 Marcel Cyprien Kuczewski De Po Mercury switch
US4099040A (en) * 1976-03-30 1978-07-04 Fifth Dimension, Inc. Mercury type tilt switch
EP0047980A2 (en) * 1980-09-13 1982-03-24 W. Günther GmbH Mercury switch
GB2192057A (en) * 1986-06-25 1987-12-31 Philip Male Electronic tilt-sensitive device
US4795868A (en) * 1988-02-08 1989-01-03 Harry Benjamin Tilt switch

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468603A (en) * 1936-11-10 1937-07-08 Frantisek Hejduk Improvements in or relating to automatic electric switches, particularly for street petrol stations
GB716445A (en) * 1951-03-29 1954-10-06 Wilhelm Schlattner Improvements in and relating to an electrical warning device
GB1030577A (en) * 1961-12-12 1966-05-25 Marcel Cyprien Kuczewski De Po Mercury switch
US4099040A (en) * 1976-03-30 1978-07-04 Fifth Dimension, Inc. Mercury type tilt switch
EP0047980A2 (en) * 1980-09-13 1982-03-24 W. Günther GmbH Mercury switch
GB2192057A (en) * 1986-06-25 1987-12-31 Philip Male Electronic tilt-sensitive device
US4795868A (en) * 1988-02-08 1989-01-03 Harry Benjamin Tilt switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106876207A (en) * 2017-04-18 2017-06-20 龙邹 A kind of Sparkless switch

Also Published As

Publication number Publication date
GB8830241D0 (en) 1989-02-22
GB2227365A (en) 1990-07-25
GB8928747D0 (en) 1990-02-28

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Legal Events

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

Effective date: 20041220