GB1337781A - Fluid operated proximity sensors - Google Patents

Fluid operated proximity sensors

Info

Publication number
GB1337781A
GB1337781A GB147371A GB147371A GB1337781A GB 1337781 A GB1337781 A GB 1337781A GB 147371 A GB147371 A GB 147371A GB 147371 A GB147371 A GB 147371A GB 1337781 A GB1337781 A GB 1337781A
Authority
GB
United Kingdom
Prior art keywords
duct
tube
air
ports
proximity sensors
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
GB147371A
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.)
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 GB1337781A publication Critical patent/GB1337781A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
    • F15B5/003—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Measuring Volume Flow (AREA)
GB147371A 1970-01-20 1971-01-12 Fluid operated proximity sensors Expired GB1337781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1958270 1970-01-20

Publications (1)

Publication Number Publication Date
GB1337781A true GB1337781A (en) 1973-11-21

Family

ID=11159222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB147371A Expired GB1337781A (en) 1970-01-20 1971-01-12 Fluid operated proximity sensors

Country Status (4)

Country Link
US (1) US3673856A (enExample)
DE (1) DE2102133A1 (enExample)
FR (1) FR2075687A5 (enExample)
GB (1) GB1337781A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE331199B (enExample) * 1970-03-11 1970-12-14 Mecman Ab
US3709027A (en) * 1971-01-22 1973-01-09 Automatic Switch Co Proximity sensing device
JPS5055465U (enExample) * 1973-09-17 1975-05-26
US4183246A (en) * 1978-06-08 1980-01-15 Reynolds Steven C Insulation presence sensing probe
US7810378B2 (en) 2007-06-21 2010-10-12 National Research Council Of Canada Monitoring of leakage in wastewater force mains and other pipes carrying fluid under pressure
MX363340B (es) 2010-06-16 2019-03-20 Mueller Int Llc Dispositivos, sistemas y métodos de monitoreo de infraestructura.
US9291520B2 (en) 2011-08-12 2016-03-22 Mueller International, Llc Fire hydrant leak detector
WO2014066764A1 (en) 2012-10-26 2014-05-01 Mueller International, Llc Detecting leaks in a fluid distribution system
US9528903B2 (en) 2014-10-01 2016-12-27 Mueller International, Llc Piezoelectric vibration sensor for fluid leak detection
US10305178B2 (en) 2016-02-12 2019-05-28 Mueller International, Llc Nozzle cap multi-band antenna assembly
US10283857B2 (en) 2016-02-12 2019-05-07 Mueller International, Llc Nozzle cap multi-band antenna assembly
US10539480B2 (en) 2017-10-27 2020-01-21 Mueller International, Llc Frequency sub-band leak detection
US10859462B2 (en) 2018-09-04 2020-12-08 Mueller International, Llc Hydrant cap leak detector with oriented sensor
US11342656B2 (en) 2018-12-28 2022-05-24 Mueller International, Llc Nozzle cap encapsulated antenna system
US11473993B2 (en) 2019-05-31 2022-10-18 Mueller International, Llc Hydrant nozzle cap
US11542690B2 (en) 2020-05-14 2023-01-03 Mueller International, Llc Hydrant nozzle cap adapter

Also Published As

Publication number Publication date
US3673856A (en) 1972-07-04
DE2102133A1 (de) 1971-07-29
FR2075687A5 (enExample) 1971-10-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees