EP0461295B1 - Tête d'atomiseur pour un dispositif de pulvérisation de liquide de sel à dégeler immobile pour chaussées et pour pistes de roulage, d'atterrissage et d'envol - Google Patents

Tête d'atomiseur pour un dispositif de pulvérisation de liquide de sel à dégeler immobile pour chaussées et pour pistes de roulage, d'atterrissage et d'envol Download PDF

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Publication number
EP0461295B1
EP0461295B1 EP90111340A EP90111340A EP0461295B1 EP 0461295 B1 EP0461295 B1 EP 0461295B1 EP 90111340 A EP90111340 A EP 90111340A EP 90111340 A EP90111340 A EP 90111340A EP 0461295 B1 EP0461295 B1 EP 0461295B1
Authority
EP
European Patent Office
Prior art keywords
spray
cover
icing
icing medium
sprayhead
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 - Lifetime
Application number
EP90111340A
Other languages
German (de)
English (en)
Other versions
EP0461295A1 (fr
Inventor
Theo Dipl.-Ing. Eth Weber
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.)
Boschung Mecatronic AG
Original Assignee
Boschung Mecatronic AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8204102&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0461295(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Boschung Mecatronic AG filed Critical Boschung Mecatronic AG
Priority to EP90111340A priority Critical patent/EP0461295B1/fr
Priority to AT90111340T priority patent/ATE101418T1/de
Priority to DK90111340.7T priority patent/DK0461295T3/da
Priority to DE90111340T priority patent/DE59004563D1/de
Publication of EP0461295A1 publication Critical patent/EP0461295A1/fr
Application granted granted Critical
Publication of EP0461295B1 publication Critical patent/EP0461295B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
    • E01H10/005—Permanently-installed devices for applying gritting or thawing materials, e.g. for spreading grit, for spraying de-icing liquids

Definitions

  • the invention relates to a spray nozzle head according to the preamble of patent claim 1.
  • a large number of spray nozzle heads are arranged along the surface to be sprayed (see e.g. CH-A-658 411, Fig. 4).
  • Such heads are e.g. attached to guardrail posts. It is also known to arrange the spray nozzle heads lying on the same in the non-traveled part of the road.
  • the spray nozzle heads or the nozzles arranged therein are supplied with the de-icing agent via controllable valves in order to spray this onto the road.
  • the known spray nozzle heads have the disadvantage that these heads are damaged relatively frequently.
  • damage is most often caused by an automobile crashing against the guardrail post; on the other hand, the heads arranged on the carriageway are most frequently damaged during snow removal work.
  • FR-E-18 209 shows a spray nozzle for water which is sunk into the road. However, this is made in one piece and is very difficult to maintain. It can also only spray a relatively small area.
  • the object of the invention is therefore to create a spray nozzle head which does not have these disadvantages. This will be the case with a spray nozzle head of the type mentioned with the characterizing features of claim 1 achieved.
  • the spray nozzle head By the spray nozzle body retractable in the road and the arrangement of the nozzle and the discharge opening for the de-icing agent on or below the Lane levels, a spray nozzle head is created that cannot be damaged by vehicle accidents or snow removal machines.
  • the spray nozzle head can be recessed into the pavement except for the discharge opening.
  • the spray nozzle head consists of a base and a drive-over cover, which gives good access to the connections to the de-icing agent line and the nozzles; this applies to installation as well as service and repair work.
  • the defrosting agent is preferably passed within the spray nozzle head through channels formed in the cover and the base part.
  • the base part is designed as an actual trough in which further installations can be placed, for example the controllable valve.
  • a hydraulic accumulator is also preferably arranged in this trough, which stores a certain amount of de-icing medium under pressure.
  • This de-icing agent is sprayed onto the roadway via the controllable valve and the nozzle when de-icing agent is required.
  • the arrangement of the installations in the bottom part of the spray head results in a compact unit that is optimally protected against damage and is nevertheless easily accessible.
  • a spray head sunk in the roadway 1 is shown in section.
  • the roadway is only indicated and not shown with its known layer structure.
  • a height of the spray head of 60 mm can be assumed as an example.
  • a corresponding deepening must be provided in the lane.
  • the spray head consists of a base part 2 and a cover 3.
  • the base part 2 (actual diameter 260 mm) is shown in a top view in FIG. 2, the cover 3 in FIG. 3.
  • a side opening 6 and a chamber 7 are provided in the base part 2.
  • the defrosting medium line 5 (tube or hose), which is only shown schematically, is inserted into the bottom part in the roadway.
  • the de-icing medium line provided with a corresponding connecting piece is connected to the upwardly angled de-icing medium channel 8 of the base part 2.
  • the base part 2 has a recess delimited by the edge 10, in which the cover 3 can be arranged.
  • the surface of the cover 3 comes to lie essentially flush with the upper edge of the edge 10 or with the road surface.
  • a bore 14 is provided for receiving a threaded bolt with a countersunk head. With this bolt the cover can be fixed to the bottom part. If the cover is not fixed, it can be rotated about the axis of the bore 14.
  • an annular defrost channel 12 is provided, which is connected to the channel 8 of the base part 2.
  • One or - as shown - a plurality of known nozzles 16 open out at one end into the channel 12 and at the other into a discharge opening 17 in the lid 3.
  • the nozzle and the ejection opening are inclined upwards and form an angle alpha of approximately 10 degrees with the horizontal.
  • seven nozzles 16 are provided, which are each offset by approximately 18 degrees.
  • the throwing direction for the de-icing agent can be set.
  • Several seals 18 are provided between the cover and the bottom part.
  • the cover 3 and the base part 2 are designed so that they cannot be driven over, that is to say they withstand the loads which arise when a vehicle or an aircraft rolls over the spray body or stops on it.
  • the lid and base part can be made of stainless steel, aluminum or glass fiber reinforced plastic. In particular for carriageways, the surface of the cover 3 should be made rough as the road surface so as not to pose a danger to single-track vehicles driving over it.
  • the function of the spray head is the same as that of known spray heads.
  • the controllable valve of the de-icing spray device when the de-icing agent is opened, de-icing agent is passed through the channels 8 and 12 to the nozzles 16 and ejected through them. After a predetermined period of time, the controllable valve closes and the spraying is ended.
  • FIG. 4 shows a further embodiment in section
  • Figure 5 is a plan view of the bottom part of this embodiment.
  • 20 and 21 designate two cover parts of the spray nozzle head, each of which essentially corresponds to the cover 3 previously described, that is to say have at least one nozzle and one ejection opening.
  • 22 and 23 associated control valves are referred to.
  • 24 and 25 are two hydraulic accumulators. These elements are well known. They store a certain amount of de-icing medium under pressure. The de-icing agent is located in the liquid space 32 of the Pressure vessel 24 or 25, which space is separated from a gas space 30 by means of a flexible membrane. This can be filled with gas of a predetermined pressure via a valve 31.
  • the hydraulic accumulators are filled with de-icing agent from the de-icing medium line 27 via a check valve 26 until a pressure equilibrium between the gas space and the liquid space of each hydraulic accumulator is reached.
  • These stores now contain a defined amount of pressurized de-icing agent.
  • one of the valves 22, 23 or both valves is now opened.
  • the hydraulic accumulators empty due to the gas pressure through the nozzles.
  • the valves 22, 23 are then closed and the hydraulic accumulators are filled again with de-icing agent from line 27.
  • FIGS. 4 and 5 now show a spray head in which the hydraulic elements mentioned are integrated.
  • This spray head has a base part which is designed as a trough 42.
  • the cover part is in three parts and comprises a first part 33, which rests on the tub rim.
  • This cover part has two recesses, in each of which the cover part 20 or 21 is inserted.
  • These cover parts are constructed in the same way as the cover part 3 of FIGS. 1 to 3.
  • FIG. 4 these cover parts 20, 21 are each shown above the corresponding recess in the cover part 33.
  • the de-icing medium line in the cover 33, 20, 21 takes place via a channel 38 in part 33, in each case in an annular channel 52 in parts 20, 21 and to the nozzles 36.
  • the parts 20, 21 are each fixed on part 33 by means of a countersunk threaded bolt in a central threaded bore 44.
  • the circular cover parts 20, 21 are also rotatable in the cover part 33 when the threaded bolt is loosened is to adjust the throwing direction for the de-icing agent.
  • FIG. 6 The installations according to FIG. 6 are arranged in the tub. These installations are only shown schematically in FIGS. 4 and 5. Another spatial arrangement is of course also possible. It is also possible to use only one, but larger, hydraulic accumulator instead of the two accumulators 24, 25. In the case of a de-icing agent spraying device without a hydraulic accumulator, only the valves 22, 23 can also be arranged in the trough 42. At most, this also applies if hydraulic accumulators are arranged in a separate cabinet at the edge of the road.
  • a spray head with two spray plates 20, 21, be it with a trough-shaped installation base part or with a normal base part 2, is particularly suitable for airport applications, since the de-icing agent must be spread out over a larger area there than on roads. On roads, especially motorways, the high vehicle density results in a strong dragging of the de-icing agent, which ensures its even distribution even with larger distances between the spray heads. On the other hand, with two spray plates, good coverage of the surface with de-icing agents can be achieved with the spray head.
  • the exemplary embodiments shown offer easy adjustment of the throwing direction for the defrosting agent and good accessibility from above for installation and maintenance work.
  • other designs are possible in which the entire spray body is sunk into the roadway and the road surface covers the spray body except for an opening for the de-icing agent ejection.
  • Such embodiments are not easy to maintain.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)
  • Nozzles (AREA)

Claims (10)

  1. Tête de vaporisateur pour une installation fixe de vaporisation d'un produit de dégivrage pour routes, aires de trafic, pistes d'envol et d'atterrissage, l'installation comprenant plusieurs têtes de vaporisation alignées dans le sens du trafic et présentant chacune une ou plusieurs buses de vaporisation pour la distribution du produit dégivrant, ces buses pouvant être alimentées avec un produit dégivrant sous pression au moyen d'une conduite d'alimentation et de soupapes réglables, caractérisée en ce que chaque tête de vaporisation possède un corps (2, 3; 20, 21, 33, 42) destiné à être encastré dans la surface servant au trafic et comportant au moins une embouchure de vaporisation (18) pour la sortie du produit dégivrant pouvant être disposée soit essentiellement à fleur de la surface servant au trafic, soit plus bas, et en ce que ledit corps comporte un fond (2) avec en embout (9) pour la conduite d'alimentation ainsi qu'au moins un couvercle (3) résistant au passage de véhicules, pouvant être fixé au fond, et dans lequel sont agencées la buse de vaporisation (16) et l'embouchure de vaporisation (17).
  2. Tête de vaporisateur selon la revendication 1, caractérisée en ce qu'elle comporte un premier canal (8) de produit dégivrant situé dans le fond (2) et menant de l'embout (9) au couvercle (3), ainsi qu'un second canal (12) de produit dégivrant faisant suite au premier canal et amenant le produit dégivrant jusqu'à la buse de vaporisation (16).
  3. Tête de vaporisateur selon la revendication 2, caractérisée en ce que le second canal (12) est essentiellement annulaire afin d'amener le produit dégivrant jusqu'à plusieurs buses de vaporisation disposées côte-à-côte le long du canal.
  4. Tête de vaporisateur selon une des revendications 1 à 3, caractérisée en ce que lorsque le blocage (14) est déverrouillé le couvercle (3) peut être tourné par rapport au fond (2), permettant ainsi d'ajuster la direction dans laquelle est projeté le produit dégivrant.
  5. Tête de vaporisateur selon une des revendications 1 à 4, caractérisée en ce que la buse de vaporisation (16) et l'embouchure de vaporisation (17) sont inclinées d'environ 10° vers le haut.
  6. Tête de vaporisateur selon une des revendications 1 à 5, caractérisée en ce que le fond forme un carter (42), dans lequel est agencée au moins une des soupapes réglables.
  7. Tête de vaporisateur selon la revendication 6, caractérisée en ce qu'au moins un réservoir hydraulique (24, 25), pouvant être rempli au moyen de la conduite de produit dégivrant (27) et vidé au moyen de la soupape (22,23) et à travers la buse (16), est agencé dans le carter.
  8. Tête de vaporisateur selon une des revendications 1 à 7, caractérisée en ce que le couvercle est réalisé en trois pièces et se compose d'une première partie (33) résistant au passage de véhicules et reposant sur le bord du carter, ainsi que de deux secondes parties (20,21) résistant au passage de véhicules, maintenues dans la première et sur lesquelles sont prévues les buses de vaporisation (16) ainsi que les embouchures de vaporisation (17).
  9. Tête de vaporisateur selon la revendication 8, caractérisée en ce que lorsque le blocage est déverrouillé chaque seconde partie du couvercle peut être tournée dans la première partie du couvercle.
  10. Tête de vaporisateur selon la revendication 8 ou 9, caractérisée en ce que chaque seconde partie du couvercle (20, 21) possède un canal annulaire (52), chacun de ceux-ci étant alimenté par un canal (38) d'alimentation en produit dégivrant situé dans la première partie (33) du couvercle.
EP90111340A 1990-06-15 1990-06-15 Tête d'atomiseur pour un dispositif de pulvérisation de liquide de sel à dégeler immobile pour chaussées et pour pistes de roulage, d'atterrissage et d'envol Expired - Lifetime EP0461295B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP90111340A EP0461295B1 (fr) 1990-06-15 1990-06-15 Tête d'atomiseur pour un dispositif de pulvérisation de liquide de sel à dégeler immobile pour chaussées et pour pistes de roulage, d'atterrissage et d'envol
AT90111340T ATE101418T1 (de) 1990-06-15 1990-06-15 Spruehduesenkopf an einer stationaeren taumittelsprueheinrichtung fuer fahr-, roll- und start/landebahnen.
DK90111340.7T DK0461295T3 (da) 1990-06-15 1990-06-15 Sprøjtedysehoved ved en stationær indretning til udsprøjtning af frostvæske på køre-, rulle og start-/landingsbaner
DE90111340T DE59004563D1 (de) 1990-06-15 1990-06-15 Sprühdüsenkopf an einer stationären Taumittelsprüheinrichtung für Fahr-, Roll- und Start/Landebahnen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90111340A EP0461295B1 (fr) 1990-06-15 1990-06-15 Tête d'atomiseur pour un dispositif de pulvérisation de liquide de sel à dégeler immobile pour chaussées et pour pistes de roulage, d'atterrissage et d'envol

Publications (2)

Publication Number Publication Date
EP0461295A1 EP0461295A1 (fr) 1991-12-18
EP0461295B1 true EP0461295B1 (fr) 1994-02-09

Family

ID=8204102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90111340A Expired - Lifetime EP0461295B1 (fr) 1990-06-15 1990-06-15 Tête d'atomiseur pour un dispositif de pulvérisation de liquide de sel à dégeler immobile pour chaussées et pour pistes de roulage, d'atterrissage et d'envol

Country Status (4)

Country Link
EP (1) EP0461295B1 (fr)
AT (1) ATE101418T1 (fr)
DE (1) DE59004563D1 (fr)
DK (1) DK0461295T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260934A1 (de) * 2002-12-20 2004-07-01 Andreas Leonhard Streuanlage für Treppen, Gehwege odgl. zur Unterbindung von Glatteisrutschen
KR100464356B1 (ko) * 2002-09-16 2005-01-03 로얄정보기술 주식회사 도로의 결빙방지용 융빙액 분사장치
US6955304B2 (en) 2003-10-06 2005-10-18 Energy Absorption Systems, Inc. Anti-icing spray assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ300601B6 (cs) * 1998-03-20 2009-06-24 Fribair S. A. Zpusob nanášení kapalného rozmrazovacího prostredku a rozstrikovací zarízení
DE59800142D1 (de) * 1998-03-20 2000-06-08 Fribair Sa Verfahren und Vorrichtung zur stationären Ausbringung flüssigen Taumittels
US6443176B1 (en) 1999-11-30 2002-09-03 Hilmar Lumber, Inc. Flush valve with rotatable grate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR18209E (fr) * 1912-06-18 1914-02-28 Henri Joseph Didier Appareil supprimant la poussière soulevée par le passage des véhicules automobiles
GB288364A (en) * 1927-01-05 1928-04-05 William Mullard Stoddert Wyld Improvements in apparatus for spraying tennis courts, sports grounds and other open places
CH658411A5 (de) * 1982-09-10 1986-11-14 Boschung Mecatronic Ag Elektromagnetisch steuerbares und kontrollierbares spruehventil fuer fluessigkeiten und anlage mit derartigen spruehventilen.
FR2574833B1 (fr) * 1984-12-14 1987-01-09 Lamy Perret Emile Dispositif de nettoyage, d'arrosage et de desinfection des trottoirs urbains
DE3515896A1 (de) * 1985-05-03 1986-11-06 Parga Park- und Gartentechnik GmbH, 7127 Pleidelsheim Bewaesserungsanlage fuer die aufbringung einer wasserschicht auf die fahrbahn einer versuchsstrecke

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464356B1 (ko) * 2002-09-16 2005-01-03 로얄정보기술 주식회사 도로의 결빙방지용 융빙액 분사장치
DE10260934A1 (de) * 2002-12-20 2004-07-01 Andreas Leonhard Streuanlage für Treppen, Gehwege odgl. zur Unterbindung von Glatteisrutschen
US6955304B2 (en) 2003-10-06 2005-10-18 Energy Absorption Systems, Inc. Anti-icing spray assembly

Also Published As

Publication number Publication date
ATE101418T1 (de) 1994-02-15
DE59004563D1 (de) 1994-03-24
DK0461295T3 (da) 1994-03-21
EP0461295A1 (fr) 1991-12-18

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