CA2233529C - Floater device for checking the liquefied gas filling level of cylinders or the like - Google Patents

Floater device for checking the liquefied gas filling level of cylinders or the like Download PDF

Info

Publication number
CA2233529C
CA2233529C CA002233529A CA2233529A CA2233529C CA 2233529 C CA2233529 C CA 2233529C CA 002233529 A CA002233529 A CA 002233529A CA 2233529 A CA2233529 A CA 2233529A CA 2233529 C CA2233529 C CA 2233529C
Authority
CA
Canada
Prior art keywords
membrane
cylinder
hollow body
shutter
gas
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 - Fee Related
Application number
CA002233529A
Other languages
English (en)
French (fr)
Other versions
CA2233529A1 (en
Inventor
Carlo Cavagna
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.)
Cavagna Group Switzerland SA
Original Assignee
Cavagna Group Switzerland 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 Cavagna Group Switzerland SA filed Critical Cavagna Group Switzerland SA
Publication of CA2233529A1 publication Critical patent/CA2233529A1/en
Application granted granted Critical
Publication of CA2233529C publication Critical patent/CA2233529C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
    • F16K31/34—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float acting on pilot valve controlling the cut-off apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/02—Level control, e.g. controlling quantity of material stored in vessel without auxiliary power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0408—Level of content in the vessel
    • F17C2250/0413—Level of content in the vessel with floats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/022—Avoiding overfilling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/024—Improving metering
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7368—Servo relay operation of control
    • Y10T137/7371—Fluid pressure
    • Y10T137/7374—Flexible diaphragm valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7439—Float arm operated valve
    • Y10T137/7465—Assembly mounted on and having reciprocating valve element coaxial with inlet pipe
    • Y10T137/7472—Vertical inlet riser
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7439—Float arm operated valve
    • Y10T137/7478—With interposed cam, gear or threaded connection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
CA002233529A 1997-07-09 1998-03-30 Floater device for checking the liquefied gas filling level of cylinders or the like Expired - Fee Related CA2233529C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97MI001638A IT1293315B1 (it) 1997-07-09 1997-07-09 Dispositivo del tipo a galleggiante per il controllo del livello di riempimento di bombole o simili con gas liquefatti
ITMI97A01638 1997-07-09

Publications (2)

Publication Number Publication Date
CA2233529A1 CA2233529A1 (en) 1999-01-09
CA2233529C true CA2233529C (en) 2006-01-31

Family

ID=11377535

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002233529A Expired - Fee Related CA2233529C (en) 1997-07-09 1998-03-30 Floater device for checking the liquefied gas filling level of cylinders or the like

Country Status (4)

Country Link
US (1) US5921272A (2)
AU (1) AU7503698A (2)
CA (1) CA2233529C (2)
IT (1) IT1293315B1 (2)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178994B1 (en) * 2000-02-24 2001-01-30 Young Do Industrial Co., Ltd. Tap for compressed or liquefied gases having an overcharging prevention function
US6408869B1 (en) * 2000-08-07 2002-06-25 Gaap Gas Control Inc. Safety valve
US6450196B1 (en) * 2000-08-07 2002-09-17 Gaap Gas Controls Llc Float valve
US6874528B2 (en) * 2002-08-16 2005-04-05 K.C. Technologies Ltd. Fill valve assembly
US7219686B2 (en) * 2005-02-02 2007-05-22 Torrent Trading Ltd. Tap assembly for a liquid vessel having an overfill protection device and a float controlled magnetic level gauge
US8550128B2 (en) 2008-06-16 2013-10-08 Michael J. Mitrovich Fluid flow control valve with upper bleed port and system
US8281823B2 (en) 2008-06-16 2012-10-09 Spillx L.L.C. Refueling apparatus with an automatic stop
IT1390874B1 (it) * 2008-07-31 2011-10-19 Cavagna Group Switzerland S A Dispositivo per impedire il sovrariempimento di recipienti, in particolare recipienti destinati a contenere gas liquefatti
US8430117B2 (en) 2010-04-26 2013-04-30 Michael J. Mitrovich Refueling apparatus
US8631818B2 (en) 2011-06-28 2014-01-21 Michael J. Mitrovich Vertical float valve assembly
US10703388B2 (en) 2015-12-03 2020-07-07 Spillx Llc Refueling adapter
CN108415469B (zh) * 2016-01-14 2020-11-24 潘茜茜 采用浮体控制的通断系统
US10989360B2 (en) 2018-12-28 2021-04-27 Chester Valve Corporation Check valve and assembly for fluid storage container
US11564378B2 (en) * 2021-01-19 2023-01-31 Maximilian B. Lee Poultry drinker system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2143204A (en) * 1935-11-23 1939-01-10 Elmer E Mccormack Float-operated valve mechanism
US2588242A (en) * 1945-09-25 1952-03-04 Rutherford H Hunter Silent ball cock
US2767551A (en) * 1953-10-05 1956-10-23 Henry H Clute Tank filling float valve structure
US2767552A (en) * 1955-03-11 1956-10-23 Henry H Clute Fill valve for liquefied petroleum gas tanks
US4313459A (en) * 1979-01-12 1982-02-02 Mylander Gerald D Automatic fill-stop valve
FR2685428B1 (fr) * 1991-12-23 1995-06-09 Ceodeux Sa Robinet pour gaz comprimes ou liquefies.
LU88379A1 (fr) * 1993-07-12 1994-04-01 Luxembourg Patent Co clapet pour un robinet d'une bouteille de gaz comprimé ou liquéfié et robinet pourvu d'un tel clapet

Also Published As

Publication number Publication date
AU7503698A (en) 1999-01-21
IT1293315B1 (it) 1999-02-16
US5921272A (en) 1999-07-13
CA2233529A1 (en) 1999-01-09
ITMI971638A0 (2) 1997-07-09
ITMI971638A1 (it) 1999-01-09

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed