GB1467590A - Pneumatic indicator - Google Patents

Pneumatic indicator

Info

Publication number
GB1467590A
GB1467590A GB3909875A GB3909875A GB1467590A GB 1467590 A GB1467590 A GB 1467590A GB 3909875 A GB3909875 A GB 3909875A GB 3909875 A GB3909875 A GB 3909875A GB 1467590 A GB1467590 A GB 1467590A
Authority
GB
United Kingdom
Prior art keywords
area
lever
membrane
cavity
groove
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
Application number
GB3909875A
Other languages
English (en)
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of GB1467590A publication Critical patent/GB1467590A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/06—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using hydraulic transmission; using pneumatic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Mechanical Control Devices (AREA)
GB3909875A 1974-10-17 1975-09-24 Pneumatic indicator Expired GB1467590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7434989A FR2288360A1 (fr) 1974-10-17 1974-10-17 Voyant pneumatique

Publications (1)

Publication Number Publication Date
GB1467590A true GB1467590A (en) 1977-03-16

Family

ID=9144227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3909875A Expired GB1467590A (en) 1974-10-17 1975-09-24 Pneumatic indicator

Country Status (6)

Country Link
US (1) US3999437A (enExample)
JP (1) JPS552008B2 (enExample)
DE (1) DE2546617C2 (enExample)
FR (1) FR2288360A1 (enExample)
GB (1) GB1467590A (enExample)
SE (1) SE402648B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194529A (en) * 1976-07-15 1980-03-25 W-K-M Wellhead Systems, Inc. Control valve having integral visual indicator for fluid safety systems
US4137942A (en) * 1976-07-15 1979-02-06 W-K-M Wellhead Systems, Inc. Control valve having integral visual indicator for fluid safety systems
US4245579A (en) * 1978-04-10 1981-01-20 Benefis Systems Limited Pressurized fluid circuits

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505118A (en) * 1944-12-26 1950-04-25 Bendix Aviat Corp Pressure gauge
GB687849A (en) * 1949-08-23 1953-02-25 Fairey Aviat Co Ltd Improvements in or relating to visible indicators
US3028758A (en) * 1959-03-25 1962-04-10 Scovill Manufacturing Co Hydraulic pressure gauge
US3221704A (en) * 1964-04-24 1965-12-07 Bendix Corp Fluid flow apparatus

Also Published As

Publication number Publication date
SE7510634L (sv) 1976-04-20
FR2288360B1 (enExample) 1977-03-18
JPS5148373A (enExample) 1976-04-26
SE402648B (sv) 1978-07-10
JPS552008B2 (enExample) 1980-01-18
US3999437A (en) 1976-12-28
FR2288360A1 (fr) 1976-05-14
DE2546617C2 (de) 1984-08-02
DE2546617A1 (de) 1976-04-22

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Legal Events

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

Effective date: 19940924