EP1086926A1 - Pistolet de distribution avec tube de sortie pourvu d'un revêtement - Google Patents

Pistolet de distribution avec tube de sortie pourvu d'un revêtement Download PDF

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Publication number
EP1086926A1
EP1086926A1 EP00120451A EP00120451A EP1086926A1 EP 1086926 A1 EP1086926 A1 EP 1086926A1 EP 00120451 A EP00120451 A EP 00120451A EP 00120451 A EP00120451 A EP 00120451A EP 1086926 A1 EP1086926 A1 EP 1086926A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
outlet pipe
coating
fuel
previous
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.)
Withdrawn
Application number
EP00120451A
Other languages
German (de)
English (en)
Inventor
Uwe Koslowsky
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.)
Gilbarco Verwaltungs GmbH
Original Assignee
Marconi Commerce Systems GmbH and Co KG
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 Marconi Commerce Systems GmbH and Co KG filed Critical Marconi Commerce Systems GmbH and Co KG
Publication of EP1086926A1 publication Critical patent/EP1086926A1/fr
Withdrawn legal-status Critical Current

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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

Definitions

  • the present invention concerns a delivery nozzle particularly for delivering fuel to a motor vehicle, the nozzle having an outlet pipe downstream of a fuel valve.
  • Such a delivery nozzle has been previously known from DE 19 71 586 8.4.
  • the said delivery nozzle is capable of delivering different types of fuel, for which purpose the said delivery nozzle is connected to a multi-channel hose, so that different types of fuel are fed through different hose channels up to the fuel valve, downstream of the fuel valve the different fuel types pass through a common outlet pipe.
  • After the termination of the fuelling process small residues of the fuel type last dispensed remain in the outlet pipe. After a fuelling process such residues could drip from the muzzle of the outlet pipe and could lead to contamination of the roadway or of the area around the filling station. In case of subsequent refuelling with a different type of fuel, residues could also contaminate the type of fuel drawn. This is of disadvantage especially in case of Diesel fuels.
  • a delivery nozzle incorporating a valve upstream of an outlet pipe, wherein at least the inner wall surface of the outlet pipe is coated with a material that can not be wetted, or that is manufactured from a material that can not be wetted.
  • the inside of the outlet pipe is coated with a material which prevents wetting by fuel, or which is manufactured of such a material.
  • a material which prevents wetting by fuel or which is manufactured of such a material.
  • residues form into droplets, which are repelled from the inner surface of the outlet pipe. Droplets are thereby prevented from adhering to the outlet pipe.
  • the coating extends around the muzzle of the outlet pipe onto its external surface.
  • the coating material can be Teflon (PTFE) but other materials could be considered, such as PFA or a polyelectrolyte-tenside (PET) - complex. It is also suggested to use Sicon as a coating material.
  • the coating may comprise several layers and it may be of advantage if the coating is electrically conducting.
  • the coating should repel petrol and Diesel fuels.
  • the coating is applied to those delivery nozzles which are capable of delivering several different types of fuels that are taken to the said delivery nozzle by a multi-channel hose.
  • a delivery nozzle is shown in the DE 19 71 586 8.4 and as far as the design of such a delivery hose is concerned, attention is drawn to that document.
  • a delivery nozzle, upstream of the valve has several fuel channels connected. These fuel channels are preferably each closed by a non-return valve to prevent cross contamination of fuels.
  • the invention is particularly advantageous when employed on a refuelling robot. By means of a programmed delay after fuelling, residues flow directly from the outlet pipe into the tank.
  • the wall surface of the said vapour recovery pipe is preferably also coated with a material that can not be wetted by fuel.
  • the vapour recovery pipe could also be made from a material which will not allow wetting by petrol and Diesel fuels.
  • delivery nozzle 1 comprises a knuckle bow 3, which contains an operating handle 4. Movement of the said handle 4 can open a fuel valve 25 contained in the delivery nozzle so that fuel exits from a multi-channel hose 5 (figure 3) through the outlet pipe 2.
  • outlet pipe 2 carries a coating 26, see figure 2, which extends from the muzzle 2' of outlet pipe 2 to the fuel valve 25 contained in the delivery nozzle.
  • the said coating 26 also extends around the front face of muzzle 2' in a section 28 and continues along the outer surface of outlet pipe 2 in a section 27.
  • an adapter 6 connects the nozzle to a multi-channel hose 5 to the delivery nozzle 1.
  • the other end of the said multi-channel hose is connected to a delivery pump not shown.
  • the adapter depicted in Fig. 3 is described in detail in DE 19 71 586 8.4.
  • the said adapter 6 comprises a fuel outlet section 23 which leads into the outlet pipe 2.
  • the said fuel outlet section 23 is also coated and it terminates in the annular type fuel valve 25. Upstream of the fuel valve 25 the channel continues in sections 22 each of which leads to a non-return valve 20.
  • Each of the fuel flow channels 16 of the multi-channel hose terminates in such a non-return valve 20 to prevent cross contamination of fuels.
  • a multi-channel hose 5 has a central vapour recovery channel 15 through which vapour, displaced by fuel entering the tank, can be captured.
  • the said channel 15 continues in a vapour channel section 24 of delivery nozzle 1 to a vapour recovery pipe 29 which emerges in the region of the outlet pipe 2.
  • the vapour recovery pipe 29 also has a coating 30, which may be applied to its inner and outer surfaces.
  • the vapour recovery pipe 29 may also be placed alongside the outlet pipe 2.
  • Suitable coating materials are Teflon (PTFE) or PFA or a polyelectrolyte-tenside (PET) - complex. Another suitable material is Sicon.
  • the coating may comprise several layers and it is also envisaged, that either the vapour recovery pipe 29 or the complete outlet pipe 2 may be manufactured from a suitable material, which can not be wetted by Diesel- or Petrol fuel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fuel-Injection Apparatus (AREA)
EP00120451A 1999-09-21 2000-09-19 Pistolet de distribution avec tube de sortie pourvu d'un revêtement Withdrawn EP1086926A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19945293 1999-09-21
DE1999145293 DE19945293A1 (de) 1999-09-22 1999-09-22 Zapfpistole mit beschichtetem Auslaufrohr

Publications (1)

Publication Number Publication Date
EP1086926A1 true EP1086926A1 (fr) 2001-03-28

Family

ID=7922826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00120451A Withdrawn EP1086926A1 (fr) 1999-09-21 2000-09-19 Pistolet de distribution avec tube de sortie pourvu d'un revêtement

Country Status (3)

Country Link
EP (1) EP1086926A1 (fr)
AU (1) AU5949700A (fr)
DE (1) DE19945293A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2474965A1 (fr) * 2009-09-04 2012-07-11 Sony Chemical & Information Device Corporation Dispositif de remplissage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439322B (zh) * 2018-03-30 2020-07-03 中原工学院 一种油嘴及其使用方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1971586U (de) 1967-06-21 1967-11-02 Bbc Brown Boveri & Cie Als baueinheit ausgebildeter steckanschluss.
FR2088758A5 (en) * 1970-04-24 1972-01-07 Portanier Gilbert Anti-drip coating - for pouring spout of hydrophobic resin
DE3811492A1 (de) * 1988-04-06 1989-10-19 Rudolf Dr Gross Verfahren zur verbesserung des entleerens von gefaessen, die fluessigkeiten enthalten
FR2714900A1 (fr) * 1994-01-12 1995-07-13 Elf Antar France Pistolet de distribution de liquide à soupape anti-gouttes et accessoire anti-gouttes correspondant.
US5765609A (en) * 1992-12-07 1998-06-16 Dover Corporation Spout constructions for fuel dispensing nozzles and methods for making same
DE19715868A1 (de) * 1997-04-16 1998-10-22 Salzkotten Tankanlagen Zapfschlauch-Anordnung mit einer Zapfpistole mit einem handbetätigbaren Zapfventil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1971586U (de) 1967-06-21 1967-11-02 Bbc Brown Boveri & Cie Als baueinheit ausgebildeter steckanschluss.
FR2088758A5 (en) * 1970-04-24 1972-01-07 Portanier Gilbert Anti-drip coating - for pouring spout of hydrophobic resin
DE3811492A1 (de) * 1988-04-06 1989-10-19 Rudolf Dr Gross Verfahren zur verbesserung des entleerens von gefaessen, die fluessigkeiten enthalten
US5765609A (en) * 1992-12-07 1998-06-16 Dover Corporation Spout constructions for fuel dispensing nozzles and methods for making same
FR2714900A1 (fr) * 1994-01-12 1995-07-13 Elf Antar France Pistolet de distribution de liquide à soupape anti-gouttes et accessoire anti-gouttes correspondant.
DE19715868A1 (de) * 1997-04-16 1998-10-22 Salzkotten Tankanlagen Zapfschlauch-Anordnung mit einer Zapfpistole mit einem handbetätigbaren Zapfventil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2474965A1 (fr) * 2009-09-04 2012-07-11 Sony Chemical & Information Device Corporation Dispositif de remplissage
EP2474965A4 (fr) * 2009-09-04 2013-04-24 Sony Chem & Inf Device Corp Dispositif de remplissage

Also Published As

Publication number Publication date
AU5949700A (en) 2001-03-22
DE19945293A1 (de) 2001-03-29

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