US1616419A - Automatic shut-off device for gas in case of fire - Google Patents

Automatic shut-off device for gas in case of fire Download PDF

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Publication number
US1616419A
US1616419A US20454A US2045425A US1616419A US 1616419 A US1616419 A US 1616419A US 20454 A US20454 A US 20454A US 2045425 A US2045425 A US 2045425A US 1616419 A US1616419 A US 1616419A
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United States
Prior art keywords
gas
device
way
fire
fusible metal
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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
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US20454A
Inventor
Wilson Wylie Gemmel
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EVERLASTING VALVE CO
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EVERLASTING VALVE CO
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Publication date
Application filed by EVERLASTING VALVE CO filed Critical EVERLASTING VALVE CO
Priority to US20454A priority Critical patent/US1616419A/en
Application granted granted Critical
Publication of US1616419A publication Critical patent/US1616419A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/005Protection or supervision of installations of gas pipelines, e.g. alarm
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/1624Destructible or deformable element controlled
    • Y10T137/1797Heat destructible or fusible
    • Y10T137/1812In fluid flow path
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/4456With liquid valves or liquid trap seals
    • Y10T137/4643Liquid valves

Description

' Feb; 1, 1927;

AUTOMATIC SHUT- Filed Avril 5, 1925 xn-roxPn/fr Patented Feb. 1, 1927.

eena wrrirn GEMMEL WILSON, or ELIZABETH, new JEnsnY, assrelvon To EvEaLAsrrrne VALVE COMPANY, or JERSEY CITY, JERSEY.

NEW JERSEY, A CORPORATION OF NEW AUTOMATIC SHUT-err nnvrcnron eas'nv case or FIRE.

' Application filed April s, 1925. serial No. 20,454.

This invention relates toan automatic shut-off device for gas in case of fire.

The object of the invention is to produce a simple and durable device for installation in gas conduit; whereby, in case of fire, flow of gas in the conduit will be automatically prevented. This invention is applicable to gas mains entrant into buildings; and to gas pipesavitlnn buildings for illuminating and power purposes and for ga ranges, heaters and other purposes. By automatically sealing a gas conduit in case of tire, more or less serious gas explosions are prevented and fire riskslreduced.

In theaccompanying drawing forming a part her-eofzand illustrating two difierent forms of my invention:

1 is a vertical, central,sectional View of one form of my new automatic gas shutor"? device shown as a union between gas pipe sections.

Fig.2 is a vertical, central, sectional View of another form of said device coupling gas pipe. sections. i i

'3 is a horizontalsection at line ofFig.1.

/ Referririg to the illustrated forms of the invention and first to thatform shown in Figs. 1 and 3, my new device consists of a chambered union having a flat top wall, 2, alinedly opposed, spaced apart neck conduits 3 and a downwardly extending bottom lwhich forms a pocket below the level. of the necks 3. Each neck 3 is in threaded connection through a connecting sleeve 1) with a gas pipe section (1,. The upper wall of the device is shown in Fig. 1 provided with a plurality of vertical, threaded openings 5. From the top and side walls of the union a transverse web 6 extends downwardly below the level of the necks 3 and part way to the bottom of the pocket formed by the downward extension of the bottom wall 4. 1

Normally the gas-way is through one conduit neck 3 towards a .side wall of the web 6 and downwardly past the underedge of the web and thence upwardly to the other side of the web and out through the other gas conduit neck 3.

Into each threaded opening at 5 there is threaded a vertical fusible metal holder 7 in the form of an inverted cup and provided at itsbottonropcningor mouth with inwardly progecting lugs a: which serve to protect the packing of fusible metal 8 in each of the holders.

' The fusible metal is-preforably in shredded form and packed solidlyin the holders wherein it will, remain in the absence of heat sutlicient to melt it for a long period, practically during the life of the device. Each to and spaced apart from the gasavay. and

open ends of the holders being elevated relatively to the interior walls of the gas necks sufficiently to permit unobstructed flow of gas from one pipe section to; another through the union solong as the fusible metal remains unmelted.

In caseof fire sutlicient to heat the holder 1 7' and the masses of fusible metal 8 in the holders to a temperature sufficient to melt the fusible'metal, it flows downwardly when melted into the pocket formed by-the clownwardly extending bottom wall 4: and sub merges, the under end portion of-the transverse web 6 in molded, fusible metal 8. Thus,-.the gas-way through the device is automatically sealed or dammed and flow of gas from one pipe section toanother through the device or union is absolutely prevented. The fused metal will naturally-solidify on cooling and usually after a fire the device will not be removed until after the metal has cooled and solidified.

In addition to the above stated advan tage of automatically sealing the gas-way of the device against flow of gas during a fire, another important advantage is that the device when removed may be returned to a manufacturer to be freed of the seal-forming metal 8 and for reloading of the fusible metal holders 7.-

While a plurality of holders 7 is indicated in Fig. 1, only one is essential together with its charge 8 of-fusible metal. However, I show in Fig. 2 another form of the device in which there is only one holder 7 and one charge 8 of fusible metal. The form of the device or coupling shown in Fig. 2 is identical in principle with that illustrated in Figs. 1 and 8, but is d'lferently constructed.

chambered portion of the device, the under and l", each having a gas conduit neck at its 7 and' electric upper portion in threaded connection at 5 with a gas pipe secllon a, the under ends of the two heads 4: and 4 are each in-threaded sleeve is wound with the electric resistance coil 10, one terminal of which is indicated by 11 and the other by 12. If asuitable :electric current is passed through a resistance coillO, the temperature of the sleeve and of the holder which is preferably of brass may be raised suiiiciently to melt the fusible metal 8 and thereby permit theauto- "matic sealing of the gas-way from any desired distance on place.

What I claim is:

1. As a new article of manufacture, a gas conduit memberformed with a gas-Way and 'a removable chambered holder closed at its upper end and having anopen, under end V in jointed connection with walls-of an openill) ing in the upper portion of theconduit member, said holder containing a mass of fusible metal exposed to and spaced apart from and above the gaswvay; the gas-way being formed to receive the fusible metal when melted and thereby seal the gas-way agai-nst fiow of gas through the gas-way.

2. As a new article of manufacture, a gas conduit member formed with a gas-way and a removable chambered holderfcontaining a mass of fusible metal exposed to and spaced apart from and above the gas-way; the gas-,

Way being formed to receive the fusible metal when melted and thereby seal the gas way against flow of gas through thev gasway; the under end of'the holder being. open and the holder being provided at its under end portion with inwardly projecting means for retaining within it the fusible metal until melted.

8. The combination with a gas conduit member formed with a gas-way and a chambered holder containing a mass of fusible metal exposed to and spaced apart from and above the gas-way; the gas-way being 7 formed to receive the fusible metal when melted and thereby seal the gas-way against flow of gas through the gasnvay; of a heat resisting electric resistance coil support and said coil for raising, at the will of an operator the temperature of said coil to a degree sufficient to melt the fusible metal, the coil support being mounted on said holder and the coil surrounding the support and the support surrounding the holder.

4. The combination with a gas conduit member formed with a gas-way and a chammetal exposed to and spaced apart from and above the gas-way; the gas-way being formed to receive the fusible metal when melted andthereby seal the gas-Way against flow ofgas through the gas-way; a heat resisting electricresistance coil support and said coil for raising, at the will of an operator, the temperature of said coil to a degree sufficient to melt the fusible metal, the coil support being mounted on said holder and the 'coilsurroundingthe support and the support surrounding the holder.

iigned at Jersey City, State .of New Jersey, this th day of March A. D. 1925. WYLIE GEMMEL- WILSON.

,7 bered holder containing amass of fusible,

US20454A 1925-04-03 1925-04-03 Automatic shut-off device for gas in case of fire Expired - Lifetime US1616419A (en)

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US20454A US1616419A (en) 1925-04-03 1925-04-03 Automatic shut-off device for gas in case of fire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20454A US1616419A (en) 1925-04-03 1925-04-03 Automatic shut-off device for gas in case of fire

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US1616419A true US1616419A (en) 1927-02-01

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US4585023A (en) * 1984-07-25 1986-04-29 Almada Edward M Packing-resistant valve
US20020142471A1 (en) * 2001-03-28 2002-10-03 Kalyan Handique Methods and systems for moving fluid in a microfluidic device
US20020142482A1 (en) * 2001-03-28 2002-10-03 Betty Wu Methods and systems for releasing intracellular material from cells within microfluidic samples of fluids
WO2003012325A1 (en) * 2001-07-26 2003-02-13 Handylab, Inc. Methods and systems for fluid control in microfluidics devices
US20030049174A1 (en) * 2001-09-12 2003-03-13 Karthik Ganesan Microfluidic devices having a reduced number of input and output connections
US20040219070A1 (en) * 2001-02-14 2004-11-04 Handylab, Inc., A Delaware Corporation Heat-reduction methods and systems related to microfluidic devices
US20060166233A1 (en) * 2004-05-03 2006-07-27 Handylab, Inc. Method and apparatus for processing polynucleotide-containing samples
US20060205085A1 (en) * 2003-07-31 2006-09-14 Kalyan Handique Processing particle-containing samples
US20070184547A1 (en) * 2005-10-11 2007-08-09 Kalyan Handique Polynucleotide sample preparation device
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US20080149840A1 (en) * 2006-03-24 2008-06-26 Kalyan Handique Fluorescence Detector for Microfluidic Diagnostic System
US20080219894A1 (en) * 2001-03-28 2008-09-11 Karthik Ganesan Systems and methods for thermal actuation of microfluidic devices
US20080262213A1 (en) * 2004-05-03 2008-10-23 Betty Wu Processing Polynucleotide-Containing Samples
US20090047713A1 (en) * 2006-11-14 2009-02-19 Kalyan Handique Microfluidic Cartridge and Method of Making Same
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US20090129978A1 (en) * 2007-07-13 2009-05-21 Handylab, Inc. Reagent holder, and kits containing same
US20090130719A1 (en) * 2007-07-13 2009-05-21 Handylab, Inc. Microfluidic Cartridge
US20090136386A1 (en) * 2007-07-13 2009-05-28 Handylab, Inc. Rack for Sample Tubes and Reagent Holders
US20090221059A1 (en) * 2007-07-13 2009-09-03 Handylab, Inc. Integrated apparatus for performing nucleic acid extraction and diagnostic testing on multiple biological samples
US20100009351A1 (en) * 2008-07-11 2010-01-14 Handylab, Inc. Polynucleotide Capture Materials, and Method of Using Same
US20110027151A1 (en) * 2007-07-13 2011-02-03 Handylab, Inc. Reagent tube
US20110207140A1 (en) * 2006-03-24 2011-08-25 Kalyan Handique Microfluidic system for amplifying and detecting polynucleotides in parallel
US8088616B2 (en) 2006-03-24 2012-01-03 Handylab, Inc. Heater unit for microfluidic diagnostic system
USD665095S1 (en) 2008-07-11 2012-08-07 Handylab, Inc. Reagent holder
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US8287820B2 (en) 2007-07-13 2012-10-16 Handylab, Inc. Automated pipetting apparatus having a combined liquid pump and pipette head system
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US8617905B2 (en) 1995-09-15 2013-12-31 The Regents Of The University Of Michigan Thermal microvalves
US9040288B2 (en) 2006-03-24 2015-05-26 Handylab, Inc. Integrated system for processing microfluidic samples, and method of using the same
US9222954B2 (en) 2011-09-30 2015-12-29 Becton, Dickinson And Company Unitized reagent strip
US9618139B2 (en) 2007-07-13 2017-04-11 Handylab, Inc. Integrated heater and magnetic separator
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Cited By (97)

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US4585023A (en) * 1984-07-25 1986-04-29 Almada Edward M Packing-resistant valve
US8617905B2 (en) 1995-09-15 2013-12-31 The Regents Of The University Of Michigan Thermal microvalves
US9051604B2 (en) 2001-02-14 2015-06-09 Handylab, Inc. Heat-reduction methods and systems related to microfluidic devices
US20040219070A1 (en) * 2001-02-14 2004-11-04 Handylab, Inc., A Delaware Corporation Heat-reduction methods and systems related to microfluidic devices
US20110038768A1 (en) * 2001-02-14 2011-02-17 Kalyan Handique Heat-reduction methods and systems related to microfluidic devices
US8440149B2 (en) 2001-02-14 2013-05-14 Handylab, Inc. Heat-reduction methods and systems related to microfluidic devices
US8110158B2 (en) 2001-02-14 2012-02-07 Handylab, Inc. Heat-reduction methods and systems related to microfluidic devices
US7332130B2 (en) 2001-02-14 2008-02-19 Handylab, Inc. Heat-reduction methods and systems related to microfluidic devices
US8734733B2 (en) 2001-02-14 2014-05-27 Handylab, Inc. Heat-reduction methods and systems related to microfluidic devices
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US20080219894A1 (en) * 2001-03-28 2008-09-11 Karthik Ganesan Systems and methods for thermal actuation of microfluidic devices
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US20020142482A1 (en) * 2001-03-28 2002-10-03 Betty Wu Methods and systems for releasing intracellular material from cells within microfluidic samples of fluids
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US8852862B2 (en) 2004-05-03 2014-10-07 Handylab, Inc. Method for processing polynucleotide-containing samples
US20060166233A1 (en) * 2004-05-03 2006-07-27 Handylab, Inc. Method and apparatus for processing polynucleotide-containing samples
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US20070184547A1 (en) * 2005-10-11 2007-08-09 Kalyan Handique Polynucleotide sample preparation device
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