WO2015103343A1 - Module de régulation de débit sans pression entièrement intégré à remplissage par le haut fonctionnant quand le fluide du réservoir est gelé - Google Patents

Module de régulation de débit sans pression entièrement intégré à remplissage par le haut fonctionnant quand le fluide du réservoir est gelé Download PDF

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Publication number
WO2015103343A1
WO2015103343A1 PCT/US2014/072905 US2014072905W WO2015103343A1 WO 2015103343 A1 WO2015103343 A1 WO 2015103343A1 US 2014072905 W US2014072905 W US 2014072905W WO 2015103343 A1 WO2015103343 A1 WO 2015103343A1
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WIPO (PCT)
Prior art keywords
valve
fluid
bleed
tank
flow
Prior art date
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Ceased
Application number
PCT/US2014/072905
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English (en)
Inventor
Robert Charles Cooley
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Individual
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Individual
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Filing date
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Publication of WO2015103343A1 publication Critical patent/WO2015103343A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/035—Fuel tanks characterised by venting means
    • B60K15/03519—Valve arrangements in the vent line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
    • B60K2015/03289—Float valves; Floats therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K2015/0458—Details of the tank inlet
    • B60K2015/0477—Details of the filler neck tank side

Definitions

  • This invention relates, generally, to valve assemblies and, more particularly, to flow control valve assemblies that are used to protect primarily fuel tanks from being overfilled with fuel. However, it is likely that such flow control valve assemblies may be used to protect types of containers, other than fuel tanks, from being overfilled with other kinds of fluids.
  • shut-off when the fuel level activates the shut-off for the fuel supply nozzle, the shut-off can be overridden and fuel can continue to be forced into the fuel tank above the normal level. This can cause the fuel tank to rupture from the high pressure attained when filling.
  • the control valve assembly of U.S. Pat. No. 6,311 ,723 uses float valve to determine when the level of fuel in the fuel tank is at a desired level. When the desired level of fuel has been attained, the float valve is used to block the flow of fuel through a bleed pipe to stop the flow of fuel through a control valve. An open breather is provided within the fuel tank to allow gas to escape from the fuel tank during filling to prevent the fuel tank rupturing.
  • the flow control valve assembly operates very effectively on machinery that is predominately stationary. However, when the control valve assembly is mounted to vehicles' fuel tanks, such as those located in trucks and excavators, some difficulties may experienced during movement of the vehicle.
  • the float valve may become broken.
  • the float valve comprises a float that is mounted on a pivotally movable elongate arm. This arm can break due to the large forces that are exerted on the arm by the surging fuel caused by movement of the vehicle.
  • the fuel supply nozzle will continue to fill the tank and pass fuel through the open breather until the nozzle is shut-off manually. This may lead to many hundreds or even thousands of litres of fuel being wasted and the spilt fuel being disposed.
  • the first embodiment flow-control module bolts to the top of a liquid storage tank.
  • the first embodiment flow-control module is designed so that all but a fluid level float, a fluid bleed aperture, and a rollover protection valve, are positioned above the top of the tank on which the flow- control valve assembly is mounted.
  • the second embodiment module mounts by threadably engaging a threaded opening in the top of a liquid storage tank.
  • the third embodiment flow-control module also bolts to top of a liquid storage tank. However, unlike the first embodiment module, all of the moving parts are located within the storage tank.
  • the fourth embodiment flow-control module bolts to the side of a liquid storage tank very near the top thereof.
  • the second, third and fourth embodiment flow-control modules also incorporate a feature that enables tank fill lines to be evacuated by reversing the pumping action once the storage tank has been filled.
  • the first embodiment flow-control module includes a housing having a top plate, a generally cylindrical side wall that is threadably secured to the top plate, and a mounting flange that is secured to the cylindrical side wall.
  • a fluid inlet tube and a vent tube are affixed to the top plate.
  • a valve cage which incorporates a valve seat, is threadably secured to a first threaded socket on the underside of the top plate, which communicates with the fluid inlet tube.
  • a valve plunger having a bleed port on its face, slides within the valve cage and seals against the valve seat after rising to a closed position.
  • a bleed circuit casing is threadably attached to the valve cage.
  • a biasing spring that is compressed between the valve plunger and the bleed circuit casing, urges the valve plunger toward the valve seat, but is unable to move the valve plunger as long as fluid entering the bleed port is able to escape from the bleed circuit casing through a normal escape path. Escape of fluid is controlled by a fluid bleed valve that is coupled to a level-control float. When the tank reaches a filled level, the fluid bleed valve closes, thereby cutting off the fluid escape route from the bleed circuit casing. The biasing spring is then able to close the valve plunger.
  • a fluid filler nozzle senses the increase in back pressure and shuts off the flow of fluid passing through the filler nozzle.
  • a fluid bleed aperture which provides fluid escape from the fluid bleed chamber at a rate that is much slower than that provided by the normal escape path, ensures that fluid drains out of the bleed circuit casing after filling so that freezing of the fluid will not damage the flow-control valve assembly.
  • the roll-over protection valve comprises a caged stainless steel ball. The cage is secured to a vent drop tube that screws into a second threaded socket on the underside of the top plate, which communicates with the vent tube.
  • the shut-off function of the second, third and fourth embodiment flow-control module functions identically to that of the first embodiment flow-control module.
  • the primary differences between the first and the second embodiment modules are the positioning of all moving parts within the tank, the mounting of the module using a plug having a male pipe threading, and the evacuation feature for tank fill lines of the second embodiment module.
  • This evacuation feature is provided by a spring-biased movable seat for the valve plunger. After the storage tank has been filled, pumping action is reversed. The drop in air pressure at the mount of the tank lifts the movable seat so that air can flow from the vent tube, into the tank, over the top of the valve plunger and out through what is ordinarily the fill port.
  • embodiment module in that, like the first embodiment module, it is bolted to the top of the storage tank. Unlike the second embodiment module, major components of the module are bolted together using flanges and O-ring seals in grooves in the flanges rather than screwed together using single large threaded union joints.
  • the third embodiment module includes the evacuation feature for tank fill lines.
  • the fourth embodiment flow-control module utilizes most of the components of the third embodiment module.
  • the roll-over protection valve has been modified, as have been the fluid bleed valve and level-control float assembly.
  • the fluid bleed valve and the level-control float move in directions which are orthogonal to the direction of movement of the valve plunger.
  • Figure 1 is a downward isometric view of a first embodiment top-mount, top- fill, fully-integrated pressureless flow-control module operative when tank fluid is frozen;
  • Figure 2 is an upward isometric view of the top-mount, top-fill, fully-integrated pressureless flow-control module of Figure 1 ;
  • Figure 3 is a side elevational view of the top-mount, top-fill, fully-integrated pressureless flow-control module of Figure 1 ;
  • Figure 4 is an alternative side elevational view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 1 ;
  • Figure 5 is a bottom plan view of the top-mount, top-fill, fully-integrated pressureless flow-control module of Figure 1 ;
  • Figure 6 is a cross-sectional elevational view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 1 , taken through section plane 6 - 6 of Figure 4;
  • Figure 7 is a cross-sectional isometric view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 1 , taken through section plane 6 - 6 of Figure 4;
  • Figure 8 is a downward isometric view of a second embodiment top-mount, top-fill, fully-integrated pressureless flow-control module operative when tank fluid is frozen;
  • Figure 9 is an upward isometric view of the top-mount, top-fill, fully-integrated pressureless flow-control module of Figure 8;
  • Figure 10 is a side elevational view of the top-mount, top-fill, fully-integrated pressureless flow-control module of Figure 8;
  • Figure 1 1 is an alternative side elevational view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 8;
  • Figure 12 is a cross-sectional elevational view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 8, taken through section plane 12 - 12 of Figure 11 ;
  • Figure13 is a downward isometric view of a third embodiment top-mount, top- fill, fully-integrated pressureless flow-control module operative when tank fluid is frozen;
  • Figure 14 is an upward isometric view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 13;
  • Figure 15 is a top plan view of the top-mount, top-fill, fully-integrated pressureless flow-control module of Figure 13;
  • Figure 16 is a cross-sectional elevational view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 13, taken through section plane 16 - 16 of Figure 15;
  • Figure 17 is a cross-sectional elevational view of the top-mount, top-fill, fully- integrated pressureless flow-control module of Figure 13, taken through section plane 17 - 17 of Figure 15;
  • Figure 18 is an isometric view of a side-mount, top-fill, fully-integrated pressureless flow-control module operative when tank fluid is frozen;
  • Figure 19 is an alternative isometric view of a side-mount, top-fill, fully- integrated pressureless flow-control module of Figure 18;
  • Figure 20 is a side elevational view of the side-mount, top-fill, fully-integrated pressureless flow-control module of Figure 18;
  • Figure 21 is a cross sectional elevational view of the side-mount, top-fill, fully- integrated pressureless flow-control module of Figure 18, taken through section plane 21 - 21 of Figure 20;
  • Figure 22 is a cross sectional elevational view of the side-mount, top-fill, fully- integrated pressureless flow-control module of Figure 18, taken through section plane 22 - 22 of Figure 20;
  • the first embodiment flow-control module 100 includes a housing 101 having a top plate 101 -T, a generally cylindrical side wall 101 -S that is threadably secured to the top plate 101 -T, and a mounting flange 101 -F that is secured to the cylindrical side wall 101 -S.
  • a fluid inlet tube 102 and a vent tube 103 are affixed to the top plate 101 -T.
  • a valve cage 104 which incorporates a valve seat 105, is threadably secured to a threaded socket 106 on the underside of the top plate 101-T, which communicates with the fluid inlet tube 102.
  • a first rubber O-ring 107 is used to seal the joint.
  • a valve plunger 108 having a fluid bleed port 109 on its face, slides within the valve cage 104 and seals against the valve seat 105 after rising to a closed position.
  • the valve plunger 108 is equipped with a second O-ring 1 10, which seals against the walls of the valve cage 104.
  • a bleed circuit casing 1 11 is threadably attached to the valve cage 104.
  • a third rubber O-ring 1 12 seals the joint.
  • a fluid retention chamber 1 13 is formed between the bleed circuit casing 1 11 and the bottom of the valve plunger 108. The only escape for fluid entering the fluid retention chamber 113 through the fluid bleed port 108 is via a fluid escape passage 1 14.
  • a second route which fluid may take to enter the tank is through a valved aperture 1 17, and then into the tank throug h exit port 1 18 in the bleed circuit casing 1 1 1.
  • the valved aperture 1 17 is part of a float stem guide 119, an upper portion of which slides into a socket within the bleed circuit casing 11 1 .
  • a float header 120 which is threadably secured to the bleed circuit casing 11 1 , secures the bottom of the float stem guide 1 19.
  • a fourth rubber O-ring 121 seals the joint between the float header 120 and the bleed circuit casing 1 1 1 .
  • the upper portion of the float stem guide 1 19 is equipped with a fifth rubber O-ring 122, and the lower portion of the float stem guide 1 19 is equipped with a sixth rubber O-ring 123.
  • the system fluid bleed aperture 1 16 is located within the float header 120.
  • a float 124 moves upwardly within the float header 120 in response to a rising fluid level in the tank on which the flow control module 100 is installed.
  • the float 124 is secured to a float stem 125, which is, in turn, secured to a float stem attachment spindle 126.
  • a bleed valve needle 127 is also secured to the float stem attachment spindle 126, which is installed within the valved aperture 1 17.
  • the bleed valve needle 127 has a head 128 that is fitted with small diameter seventh rubber O- ring 129.
  • the float stem 125 causes the float stem attachment spindle 126 to also rise, thereby lifting the bleed valve needle 127 so that the head 128 and O-ring 129 seal the entrance 131 of the valved aperture 1 17.
  • the valved aperture 1 17 With the valved aperture 1 17 closed, the primary fluid escape route from the fluid retention chamber 1 13 is blocked.
  • the biasing spring 1 15 is then able to close the valve plunger 108.
  • a fluid filler nozzle (not shown) that is coupled to the fluid inlet tube 102 senses an increase in back pressure and shuts off the flow of fluid passing through the filler nozzle.
  • a roll-over protection valve 132 comprises a stainless steel ball 133 within a ball cage 134.
  • the ball cage 134 is secured to a vent drop tube 135 that screws into a second threaded socket 136 on the underside of the top plate 101 -T, which communicates with the vent tube 103.
  • a large-diameter eighth rubber O-ring 137 is also used to seal the joint between the mounting flange 101 -F and the top surface of the tank.
  • Six holes 138 in the mounting flange 101-F enable the flow control module 100 to be bolted to the tank.
  • the second embodiment flow-control module 200 includes an externally threaded mounting plug 201 having a first internally threaded aperture 202 and a second internally threaded aperture 203.
  • a fluid inlet tube 204 which is secured to the top of the mounting plug 201 , is internally continuous with the first internally threaded aperture 202.
  • a vent tube 205 which is also secured to the top of the mounting plug 202, is internally continuous with the second internally threaded aperture 203.
  • a valve seat cage 206 is screwed into the first internally threaded aperture 202.
  • a first biasing spring 207 is inserted within the valve seat cage 206, after which a movable valve seat body 208 is inserted within the valve seat cage 206.
  • a valve plunger cage 209 is threadably secured to a lower portion of the valve seat cage 206, thereby trapping the first biasing spring 207 and the movable valve seat body 208 within the valve seat cage 206.
  • a valve plunger 210, followed by a second biasing spring 211 are inserted into the valve plunger cage 209.
  • a bleed circuit casing 212 is secured to a bottom portion of the valve plunger cage 209, the second biasing spring 21 1 and the valve plunger 210 are trapped within the valve plunger cage 209.
  • Components installed within the bleed circuit casing 212 function in a manner identical to the bleed circuit of the first embodiment flow-control module.
  • valve plunger 210 slides upwardly within the valve plunger cage 209 until the sealing edge 213 of the valve plunger 210 seats against the conical sealing surface of the movable valve seat body 208, thereby increasing back pressure of filling fluid and signaling to the fluid dispensing nozzle that it should shut-off the flow of fluid.
  • the pump can be operated in reverse to clear the fill lines. A reversing of the pump reduces the air pressure above the movable valve seat body 208.
  • the apertures 214 within the valve seat body 208 enable this reduced pressure to be applied to a larger surface area of the movable valve seat body 208, thereby causing the valve seat body 208 to overcome the biasing force of the first biasing spring 207 and move upward away from the valve plunger 210. Because upward travel of the valve plunger 210 is limited by the shoulder 215 within the valve plunger cage 209, upward movement of the valve seat body 208 opens up a gap between it and the valve plunger 210, thereby allowing air to flow into the tank through the vent tube 205 and into the fill line, which become evacuated.
  • the third embodiment top-fill, fully-integrated pressureless flow-control module 300 will now be described in detail, with reference to the attached drawing figures 13 through 17.
  • the third embodiment flow-control module 300 like the first embodiment flow-control module 100, bolts to the top of a fluid storage tank. Although its function is identical to that of the second embodiment flow-control unit, it structure is slightly different.
  • the top housing 301 of the third embodiment module 300 has a cylindrical cavity 302 that functions as a valve seat cage.
  • the valve plunger cage 303 is bolted directly to the top housing 301 .
  • An O- ring 304 seals the joint between the top housing 301 and the valve plunger cage 303.
  • Another minor difference is that the bleed circuit casing 305 is bolted directly to the valve plunger cage 303.
  • the fourth embodiment flow-control module 400 is functionally identical to the second and third embodiments of the flow- control module 200 and 300, respectively.
  • the fourth embodiment flow- control module 400 is a modified third embodiment module.
  • the top housing 301 becomes a side housing 401 that is bolted to the side of the storage take near the top thereof.
  • the vent drop tube has been eliminated and the rollover protection valve ball 402 has been inserted within the vent tube galley 403.
  • the bleed circuit casing 404 has been redesigned to that movement of the fluid level float 405 can remain vertical.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Float Valves (AREA)

Abstract

L'invention concerne un ensemble de soupape de régulation de débit entièrement intégré, fonctionnant quand le fluide du réservoir est gelé, ensemble conçu de sorte que toutes les pièces à l'exception d'un flotteur de niveau de carburant, d'une ouverture de prélèvement de fluide et d'un clapet de protection en cas de retournement sont positionnées à l'extérieur du réservoir sur lequel l'ensemble de soupape de régulation de débit est monté. L'ensemble comprend un boîtier contenant une cage de soupape équipée d'un siège de soupape. Un piston de soupape, ayant une prise de prélèvement, coulisse à l'intérieur de la cage de soupape et vient se bloquer contre le siège de soupape après être monté jusque sur une position fermée. Un carter de circuit de prélèvement est assujetti au niveau de la cage de soupape. Un ressort de sollicitation qui est comprimé entre le piston de soupape et le carter de circuit de prélèvement sollicite le piston de soupape vers le siège de soupape, mais est incapable de déplacer le piston de soupape tant que le fluide entrant dans la prise de prélèvement est en mesure de s'échapper du carter de circuit de prélèvement par une voie d'échappement normale.
PCT/US2014/072905 2013-12-30 2014-12-30 Module de régulation de débit sans pression entièrement intégré à remplissage par le haut fonctionnant quand le fluide du réservoir est gelé Ceased WO2015103343A1 (fr)

Applications Claiming Priority (2)

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US201361921722P 2013-12-30 2013-12-30
US61/921,722 2013-12-30

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WO2015103343A1 true WO2015103343A1 (fr) 2015-07-09

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PCT/US2014/072905 Ceased WO2015103343A1 (fr) 2013-12-30 2014-12-30 Module de régulation de débit sans pression entièrement intégré à remplissage par le haut fonctionnant quand le fluide du réservoir est gelé

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020232453A1 (fr) * 2019-05-16 2020-11-19 Robert Charles Cooley Module de commande d'écoulement de fluide entièrement intégré conçu pour une installation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535772A (en) * 1995-05-01 1996-07-16 Stant Manufacturing Inc. Tank venting control system
US5839465A (en) * 1997-04-09 1998-11-24 Ebw, Inc. Above-ground tank auto-limiter
US6158456A (en) * 1999-04-28 2000-12-12 Borgwarner Inc. Vehicle refueling valve
US6347640B1 (en) * 1997-09-26 2002-02-19 Mannesmann Vdo Ag Multifunctional valve for a vehicle tank
US20040003844A1 (en) * 2002-07-05 2004-01-08 Norihiro Yamada Apparatus for inhibiting fuels from flowing out of fuel tanks

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535772A (en) * 1995-05-01 1996-07-16 Stant Manufacturing Inc. Tank venting control system
US5839465A (en) * 1997-04-09 1998-11-24 Ebw, Inc. Above-ground tank auto-limiter
US6347640B1 (en) * 1997-09-26 2002-02-19 Mannesmann Vdo Ag Multifunctional valve for a vehicle tank
US6158456A (en) * 1999-04-28 2000-12-12 Borgwarner Inc. Vehicle refueling valve
US20040003844A1 (en) * 2002-07-05 2004-01-08 Norihiro Yamada Apparatus for inhibiting fuels from flowing out of fuel tanks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020232453A1 (fr) * 2019-05-16 2020-11-19 Robert Charles Cooley Module de commande d'écoulement de fluide entièrement intégré conçu pour une installation

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