GB1125516A - Improvements in or relating to annunciators - Google Patents

Improvements in or relating to annunciators

Info

Publication number
GB1125516A
GB1125516A GB772167A GB772167A GB1125516A GB 1125516 A GB1125516 A GB 1125516A GB 772167 A GB772167 A GB 772167A GB 772167 A GB772167 A GB 772167A GB 1125516 A GB1125516 A GB 1125516A
Authority
GB
United Kingdom
Prior art keywords
piston
feb
ports
transparent
fluid
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
GB772167A
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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
Priority claimed from US528203A external-priority patent/US3357638A/en
Priority claimed from US543287A external-priority patent/US3368751A/en
Application filed by Honeywell Inc filed Critical Honeywell Inc
Publication of GB1125516A publication Critical patent/GB1125516A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0058—Optical means, e.g. light transmission, observation ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0066—Hydraulic or pneumatic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Measuring Fluid Pressure (AREA)
GB772167A 1966-02-17 1967-02-17 Improvements in or relating to annunciators Expired GB1125516A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US528203A US3357638A (en) 1966-02-17 1966-02-17 Control apparatus
US543287A US3368751A (en) 1966-04-18 1966-04-18 Control apparatus

Publications (1)

Publication Number Publication Date
GB1125516A true GB1125516A (en) 1968-08-28

Family

ID=27062645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB772167A Expired GB1125516A (en) 1966-02-17 1967-02-17 Improvements in or relating to annunciators

Country Status (6)

Country Link
JP (1) JPS4828118B1 (enExample)
DE (1) DE1648502C3 (enExample)
FR (1) FR1516293A (enExample)
GB (1) GB1125516A (enExample)
NL (1) NL6702238A (enExample)
SE (1) SE336290B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317490A (en) * 1996-09-19 1998-03-25 Ivan Nicholas White Matrix display; Controllable valve

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529993U (enExample) * 1975-07-08 1977-01-24
DE3107974C2 (de) * 1981-03-03 1984-09-27 Knecht Filterwerke Gmbh, 7000 Stuttgart Differenzdruck-Anzeigevorrichtung für Luftfilter
DE3520073A1 (de) * 1985-06-04 1986-12-04 Samson Ag, 6000 Frankfurt Differenzdruck-anzeigegeraet fuer pneumatische regelungsanlagen, insbesondere zur umschaltung von handbetrieb auf automatischen betrieb

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317490A (en) * 1996-09-19 1998-03-25 Ivan Nicholas White Matrix display; Controllable valve
GB2317490B (en) * 1996-09-19 2000-05-03 Ivan Nicholas White Display apparatus

Also Published As

Publication number Publication date
DE1648502A1 (de) 1971-04-08
NL6702238A (enExample) 1967-08-18
DE1648502B2 (de) 1975-04-24
FR1516293A (fr) 1968-03-08
SE336290B (enExample) 1971-06-28
DE1648502C3 (de) 1975-12-11
JPS4828118B1 (enExample) 1973-08-29

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