EP3090982B1 - Buse de distribution de carburant avec joint d'étanchéité améliorant le débit et fermeture automatique - Google Patents

Buse de distribution de carburant avec joint d'étanchéité améliorant le débit et fermeture automatique Download PDF

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Publication number
EP3090982B1
EP3090982B1 EP16000881.9A EP16000881A EP3090982B1 EP 3090982 B1 EP3090982 B1 EP 3090982B1 EP 16000881 A EP16000881 A EP 16000881A EP 3090982 B1 EP3090982 B1 EP 3090982B1
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EP
European Patent Office
Prior art keywords
nozzle
fuel
poppet
stem
gasket
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.)
Active
Application number
EP16000881.9A
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German (de)
English (en)
Other versions
EP3090982A1 (fr
Inventor
Keith J. Weepie
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.)
Husky Corp
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Husky Corp
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Publication date
Priority claimed from US14/545,456 external-priority patent/US9593006B2/en
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Publication of EP3090982A1 publication Critical patent/EP3090982A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/44—Filling nozzles automatically closing
    • B67D7/46—Filling nozzles automatically closing when liquid in container to be filled reaches a predetermined level
    • B67D7/48—Filling nozzles automatically closing when liquid in container to be filled reaches a predetermined level by making use of air suction through an opening closed by the rising liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/44—Filling nozzles automatically closing
    • B67D7/50—Filling nozzles automatically closing and provided with an additional hand lever

Definitions

  • the concept of this invention is to provide, generally, a nozzle, where its poppet valve is contoured into a truncated shape to enhance the flow of fuel through the nozzle as it is dispensing the same, and having a shift in the fulcrum point of the handle lever to lessen the force necessary to open the nozzle poppet valve for dispensing of fuel.
  • nozzles have been designed over the years wherein their structure has been improved to add to the convenience of usage of the nozzles while dispensing fuel to a vehicle, or other fuel container, and while generally being applied to recover vapors, so as to minimize air pollution during fuel dispensing.
  • these types of nozzles whether it is of the vacuum assist type, and more particularly the balanced pressure type of nozzle, the amount of pressure and force necessary to operate the nozzles generally was ignored, in order to attain these other results.
  • the assignee of the current invention has made many improvements to nozzle constructions, through usage of the hand lever for acting in conjunction with the stem of the poppet valve, to elevate it to achieve fuel dispensing, and at the same time, provide for automatic shutoff of the flow of fuel through the nozzle, through the operations of its vacuum pressured automatic shutoff means, that would release the hand lever for its disengagement allowing for the poppet valve to immediately close, and cease the transfer of fuel through the nozzle.
  • Such can be seen in the Company's early Patent US 4,658,987 , upon a No Pressure Shut off for Automatic Fuel Nozzle Valve.
  • Patent US 4,397,447 shows a Balanced, Two-Stage Poppet Valve for Fuel Dispensing Nozzle. While these nozzles worked highly satisfactory for their intended purposes, and that is to dispense fuel quickly and efficiently, the structure of the shown handle lever for the disclosed patent still required a fair amount of force to be exerted upon the lever, to raise it, and its associated poppet stem, to attain an opening of the nozzle for dispensing. This type of force made it rather difficult for the handicapped and elderly to dispense fuel, particularly at a self-serving dispenser, and it required further modifications to the nozzle, to remedy this problem.
  • Patent US 5,394,909 upon a Vapor Control Valve, showed further modifications to the structure of its nozzle, and its various operating components, to achieve more efficient fuel dispensing, and also for capturing vapors that are returned through the nozzle to a storage area.
  • Patent US 5,474,115 shows a Specialty Fuel Dispensing Nozzle, of the balance pressure type, and it also required a substantial amount of force on behalf of the user, for inserting and compressing the bellows of the nozzle tightly against the fuel intake for a vehicle in which the nozzle was used, to capture vapors, and to replenish the auto with fuel. Furthermore, it required a fair amount of force, generally in the 36-44 N (8-10 Ib) range, to lift the hand lever, to initiate the operations of the nozzle, during a refueling operation.
  • Patent US 4,016,910 Another patent to the assignee is United States Patent US 4,016,910 , which showed a Fuel Dispensing Nozzle with Automatic Shut-Off Responsive to Vapor Pressure.
  • Patent US 4,031,930 discloses an early Automatic Shut-Off Nozzle with Lockable Vapor Relief Valve.
  • Patent US 6,585,014 shows an early effort by the applicant to make it more easier and controllable to dispense fuel through a nozzle, wherein the engagement of the handle with the poppet valve stem was designed to provide the user with more leverage to open the valve assembly than was available at that time in conventional nozzle configurations. This was an early effort to rearrange the fulcrum of pressure exerted upon the poppet stem, through the handle, in order to reduce the force necessary to raise it and its poppet valve into a fuel dispensing.
  • a nozzle construction according to the preamble of claim 1 is known from Patent US 1 883 843 .
  • the current invention is designed to even further adjust the arrangement and configuration of various components of the nozzle, such as its poppet stem, its handle lever, and its latch plate, all in an effort to further reduce the force necessary to allow for fuel dispensing, and also, provides for further modifications to the poppet valve itself, in order to enhance and accelerate the flow of fuel through the nozzle, when replenishing a vehicle fuel tank, and to make the nozzle more easy to use.
  • the present invention relates to a nozzle construction according to appended claim 1.
  • the concept of this invention is to provide for modifications to the operative components of a fuel dispensing nozzle, particularly with respect to the enhanced flow of fuel through the nozzle, and its poppet valve, and at the same time, furnishing means for lessening the pressure required to lift the poppet valve from its valve seat, requiring a much lesser force, to ease the use and operation of the nozzle, while dispensing fuel, particularly at a self-service dispenser.
  • the first aspect of the improvements to the nozzle is achieved through the use of a truncated poppet valve, one which when opened provides a greater space through which the fuel may flow, unobstructedly, to provide for a more rapid fill-up of the vehicle fuel tank, during dispensing.
  • the second aspect is to shift the fulcrum point at which the hand lever engages the bottom of the poppet stem, of the same poppet valve, to a position where greater leverage can be attained, thereby lessening the force required to open the poppet valve, in initiating fuel flow.
  • the handle lever that is manipulated by the nozzle user has a particular configuration that allows for its convenient grasping of its handle portion, and then has a turned segment that locates at a position between the poppet stem, and the automatic shutoff valve stem, in order to add some shiftability to the relationship between the end of the handle lever, and the latch plate to which it pivotally and shiftably mounts.
  • the end of the hand lever incorporates a slotted configuration, through which the latch plate is pinned, so that the latch plate can shift somewhat vertically relative to the hand lever operative end, to add greater flexibility to the functional operation of the hand lever, and its operative components, in cooperating with the poppet stem, and the automatic shutoff means, during usage and application.
  • a handle link also pivotally mounts to the hand lever, at a rearward position from the poppet stem, and further pivotally mounts to the same pin that secures the latch plate to the slotted portion of the hand lever, forwardly of the poppet stem, and through that arrangement, is designed to shift the fulcrum point of the operations of the hand lever, from their connection with the lower end of the automatic shutoff means, and thus, by shortening of the fulcrum point of their operations provides greater leverage to lifting of the poppet stem upwardly, into a opened position, in preparing the nozzle for dispensing.
  • the force required to lift the handle lever because of the greater leverage it attains, through the interconnection of these components, lessens the force necessary to lift the poppet stem into its opened position, in preparation for and during fuel dispensing.
  • the normal force for opening of the poppet stem through lifting of the hand lever, which was in the vicinity of 36-44 N (8-10 lbs), as aforesaid, has been reduced to a force less than 22 N (5 lbs) necessary to manipulate the nozzle into an opened condition.
  • This lessening of force reduces the effort that must be used by those of weaker capacity, such as the elderly, the handicapped, the youth, the female, where a reduction in force facilitates their self-delivery of fuel through the nozzle during dispensing.
  • calculations can provide for an indication of the reduction in force that can be attained through usage of the nozzle of this design, as can be seen from the following schematic chart, and the formula calculations, that can be determined mathematically, as noted.
  • the chart, its parameters, and the calculations that may be made through the following formula can show the lesser force required through usage of the nozzle of this invention, during application.
  • the principal object of this invention to provide means for enhancing the flow of fuel through a nozzle, through the use of a truncated or sloped poppet valve, to provide a greater opening capacity for the poppet, within the nozzle, to achieve greater fuel flow.
  • a prior art style of nozzle construction which as known, includes a housing 3 having an inlet 4 and an outlet 6 generally at the location of the formation and location of the spout 7 to the nozzle.
  • the nozzle includes a main valve 8 that includes a poppet valve 9 that rests upon a valve seat 10, with the poppet valve having a poppet stem 11 that extends downwardly, through the nozzle body, as at 12.
  • the handle lever 5 includes a hand gripping portion 13 which is configured in a rather S shape, having an intermediate portion 14 and a forwardly extending integral portion 15 that secures by a pinned connection, as at 16, to the bottom of the automatic shutoff stem 17 for the shown nozzle.
  • a latch plate 19 engages with a lock plate 20 to maintain the handle in an opened condition, until such time as the handle lever is released from its latch plate connection, through the release of the lock plate 20, to allow the nozzle poppet valve to quickly enter into closure.
  • FIGS. 2 , 5 and 6 One of the significant improvements of the current invention, as can be seen in FIGS. 2 , 5 and 6 , is the usage of a particular designed poppet valve gasket, as at 22, which is truncated of shape, having a downwardly sloping edge, as at 23, so that when the poppet valve is opened, as can be seen in FIG. 6 , a much greater spacing, as at 24, is provided between said gasket and the valve seat, that allows for a more abundant flow of the fuel to pass through the nozzle, as at F, at the location of the poppet valve, to provide for a more accelerated flow of fuel through the nozzle, during dispensing.
  • a particular designed poppet valve gasket as at 22, which is truncated of shape, having a downwardly sloping edge, as at 23, so that when the poppet valve is opened, as can be seen in FIG. 6 , a much greater spacing, as at 24, is provided between said gasket and the valve seat, that allows for a more abundant flow
  • the hand lever mechanism and its associated components for this invention are disclosed in FIG. 7 .
  • the hand lever 5, with its hand gripping portion 13, is formed to the unique shape as further reviewed, having an intermediate portion 14 and a forwardly and integrally extending portion 15, as explained.
  • the latch plate 19 can be seen, and it has a forwardly extending portion 25 and a rearwardly extending latch plate 26 which includes a series of ridges, as at 27, and into which the end of the lock plate 20 can temporarily engage, when the handle lever is raised to allow for automatic dispensing of fuel through the nozzle, and is held into an opened position, due to such engagement.
  • the handle lever 5 further includes a handle link 28 whose upper surface 29 is what contacts the bottom of the poppet stem 11, to hold it into an opened condition, during fuel dispensing.
  • the assembly of these various parts can be described as follows.
  • the lock plate 20 is secured by means of the pivot pin 30 through the pin seat apertures 31 which also holds, within the handle, the biasing spring 32 which normally urges the lock plate to pivot upwardly, during normal disengagement of it from the latch plate 26.
  • the biasing spring 32 which normally urges the lock plate to pivot upwardly, during normal disengagement of it from the latch plate 26.
  • the handle link 28 has an aperture 33 at one end, and it is secured for pivotal movement, by means of the pivot pin 34 seating within the apertures 35 of the hand lever. That allows for the link to pivot relative to the handle lever, as can be understood.
  • the opposite end of the latch plate 19 incudes forwardly extending arms, as at 36, and these arms are secured to the pivot point 16 at the bottom of the automatic shutoff stem 17, to attain pivotal movement relative thereto.
  • the opposite end of the link 28 secures by the pin 37 through the latch plate apertures 38, and the pin arranges these arms to either side of the enlarged end 39, of the hand lever, with the pin extending also through the elongated slots 40 of said handle lever, as can be noted.
  • the handle lever when the handle lever is raised, its forward end 39 shifts downwardly, the front end of the link, as at 41, as pinned therein, shifts upwardly within the elongated slots 40, and since the shutoff stem 17 is secured in its upward position, as can be seen in FIG. 3 , the link 28 biases against the poppet stem 11, raises it, opening the poppet valve, and its gasket 22 into an opened condition, during fuel flow.
  • the automatic shutoff means 42 when the automatic shutoff means 42 is rendered operative, as when fuel fills up the vehicle fuel tank, and the fuel blocks the tip end of the nozzle spout, the automatic shutoff means is actuated, provides for an immediate drop in its stem 17 to a lower position, which automatically releases the lock plate 20 from engagement with its latch plate 19, and allows the poppet valve 9 to drop with the valve stem 11, into closure, in the manner as shown in FIG. 5 .
  • the concept of this invention is to provide for a lesser force requirement to open the poppet valve, during its usage, and at the same time, to increase fuel flow, because of the unique shape and construction of its poppet valve, and the associated gasket, of the shown nozzle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (5)

  1. Structure de buse pour distribuer un carburant dans un véhicule, comprenant :
    une soupape à clapet (9) prévue à l'intérieur de la buse et normalement assise sur un siège de soupape (10) pour empêcher l'écoulement de carburant à travers ladite buse pendant une non utilisation, et permettant, lorsqu'elle est ouverte, l'écoulement de carburant à travers ladite buse,
    ladite structure de buse comprenant en outre un joint (22) prévu à l'intérieur de la soupape un clapet (9) et assurant normalement une étanchéité à l'intérieur de l'ouverture (24) de la buse,
    ledit joint (22) ayant une forme tronquée,
    ladite structure de buse comprenant en outre
    une tige de clapet (11), ladite tige de clapet étant prévue à l'intérieur dudit joint tronqué (22),
    lors d'une ouverture forcée, ladite soupape à clapet fournissant un débit renforcé de carburant à travers ladite buse, pendant la distribution ; et
    un levier à manette (5), ledit levier à manette venant en contact avec la partie inférieure de ladite tige de clapet (11) et, quand ledit levier (5) est soulevé, il soulève ladite tige de clapet (11) et le joint (22) pour permettre ledit débit renforcé de carburant à travers la buse pendant la distribution du carburant,
    caractérisée en ce que
    ladite buse inclut un système de fermeture automatique (42), ledit levier à manette (5) coopérant avec ladite soupape à clapet (9) et sa tige (11) pour démarrer l'écoulement de carburant à travers ladite buse ou pour relâcher ledit clapet et ladite tige pour couper l'écoulement de carburant à travers ladite soupape à clapet (9), ledit levier à manette (5) assurant également la coupure automatique pour réaliser une fermeture de ladite soupape à clapet (9) quand le système de fermeture automatique détecte le plein de carburant dans le véhicule ;
    ledit levier à manette (5) incluant une portion de préhension manuelle (13), un bras de manette (28) à une extrémité de celui-ci étant connecté en pivotement audit levier à manette (5), une plaque de verrouillage (19), ledit bras de manette (28) assurant à son autre extrémité une connexion en pivotement avec ladite plaque de verrouillage (19), à l'emplacement de connexion dudit bras de manette (28) sur ladite plaque de verrouillage (19), ladite extrémité du levier à manette ayant une fente allongée (40) de telle façon que lorsque le bras de manette (28) pivote il se déplace également le long de ladite fente allongée (40) et réduit de ce fait la force nécessaire pour soulever la tige de soupape (11) pour faire passer la soupape à clapet (9) vers une position ouverte pendant la distribution du carburant à travers ladite buse ; et
    ladite plaque de verrouillage (19) assurant, à son extrémité frontale, une connexion en pivotement avec le système de fermeture automatique (42), une plaque de blocage (20) assurant une connexion en pivotement avec ledit levier à manette (5) et étant, à son autre extrémité, en engagement avec l'extrémité opposée de ladite plaque de verrouillage (19) pour assurer la buse dans une condition ouverte avec écoulement du carburant pour la distribution du carburant.
  2. Structure de buse selon la revendication 1, caractérisée en ce que ledit joint tronqué (22) a un diamètre plus petit au niveau de sa base qu'au niveau de son sommet, tel que le petit diamètre du joint (22) vient se loger dans ledit siège de soupape (10) lorsqu'il bloque la buse à l'encontre d'un écoulement de carburant.
  3. Structure de buse selon la revendication 1 ou 2, caractérisée en ce que ledit joint tronqué (22) présente une pente composite.
  4. Structure de buse selon la revendication 1 ou 2, caractérisée en ce que ledit joint tronqué (22) est formé avec un angle d'approximativement 30° à 50° par rapport à la verticale de ladite soupape un clapet (9) et de sa tige (11).
  5. Structure de buse selon l'une des revendications précédentes, caractérisée en ce que la force nécessaire pour ouvrir la soupape à clapet (9) par manipulation de ladite portion de préhension manuelle (13) est inférieure à 22,7 N (5 livres).
EP16000881.9A 2015-05-06 2016-04-19 Buse de distribution de carburant avec joint d'étanchéité améliorant le débit et fermeture automatique Active EP3090982B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/545,456 US9593006B2 (en) 2014-05-07 2015-05-06 Nozzle construction to facilitate its opening and enhance the flow of fuel through the nozzle

Publications (2)

Publication Number Publication Date
EP3090982A1 EP3090982A1 (fr) 2016-11-09
EP3090982B1 true EP3090982B1 (fr) 2017-11-29

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Application Number Title Priority Date Filing Date
EP16000881.9A Active EP3090982B1 (fr) 2015-05-06 2016-04-19 Buse de distribution de carburant avec joint d'étanchéité améliorant le débit et fermeture automatique

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EP (1) EP3090982B1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1883843A (en) * 1932-01-21 1932-10-18 Service Station Equipment Comp Liquid dispensing nozzle
US2324150A (en) * 1940-10-21 1943-07-13 Harry M Groomes Liquid dispensing nozzle
US4016910A (en) 1975-09-04 1977-04-12 Husky Corporation Fuel dispensing nozzle with automatic shut-off responsive to vapor pressure
US4031930A (en) 1976-02-09 1977-06-28 Husky Corporation Automatic shut-off nozzle with lockable vapor relief valve
US4397447A (en) 1981-04-02 1983-08-09 Husky Corporation Poppet valve means
US4596278A (en) 1985-05-06 1986-06-24 Husky Corporation Balanced, two-stage poppet valve for fuel dispensing nozzle
US4658987A (en) 1985-09-09 1987-04-21 Husky Corporation No pressure shut off for automatic fuel nozzle valve
US5255723A (en) * 1990-04-02 1993-10-26 Catlow, Inc. Vapor recovery fuel dispensing nozzle
US5394909A (en) 1993-05-12 1995-03-07 Husky Coprpration Vapor control valve
US5474115A (en) 1994-08-04 1995-12-12 Husky Corporation Specialty fuel dispensing nozzle
US6585014B1 (en) 2002-08-19 2003-07-01 Husky Corporation Easy opening fuel dispensing nozzle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
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