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EP3396259B1 - Soupape pour conduit d'échappement - Google Patents

Soupape pour conduit d'échappement Download PDF

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Publication number
EP3396259B1
EP3396259B1 EP18168639.5A EP18168639A EP3396259B1 EP 3396259 B1 EP3396259 B1 EP 3396259B1 EP 18168639 A EP18168639 A EP 18168639A EP 3396259 B1 EP3396259 B1 EP 3396259B1
Authority
EP
European Patent Office
Prior art keywords
exhaust
duct
insert
casing
valve
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
EP18168639.5A
Other languages
German (de)
English (en)
Other versions
EP3396259A1 (fr
Inventor
Pasi PUIKKONEN
Eero Saikkonen
Veli-Pekka LAHTI
Kaj FRIIS
Timo ANTTILA
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.)
Vilpe Oy
Original Assignee
Vilpe Oy
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 Vilpe Oy filed Critical Vilpe Oy
Priority to PL18168639T priority Critical patent/PL3396259T3/pl
Publication of EP3396259A1 publication Critical patent/EP3396259A1/fr
Application granted granted Critical
Publication of EP3396259B1 publication Critical patent/EP3396259B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/52—Weather protecting means, e.g. against wind, rain or snow

Definitions

  • the present invention relates to building technology.
  • the invention relates to ventilation technology.
  • the invention relates to an exhaust-air duct valve according to the preamble to claim 1 for creating an essentially laminar exhaust-air flow.
  • the conventional aim is the most laminar air flow possible, to minimize air resistance, i.e. pressure loss.
  • air resistance i.e. pressure loss.
  • sharp corners are avoided when shaping the ventilation ducts.
  • the valve to be installed on the end of exhaust-air duct opening outside the building, the task of which is, on the one hand to release exhaust air from the building and, on the other, to prevent rain, snow, rubbish, small animals, and other external factors from entering the ventilation duct.
  • Valves i.e.
  • Hats are indeed known, in which horns are used, which connect to the end of the exhaust-air duct and extend in the direction of flow, above which is an insert, which spreads rainwater past the horn and towards a water-removal opening in the casing of the valve.
  • One such valve is the VILPE® Hattu-160, by which the exhaust-air pipe is reliably protected without compromising the flow properties of the ventilation duct.
  • VILPE® Hattu-160 by which the exhaust-air pipe is reliably protected without compromising the flow properties of the ventilation duct.
  • AU 436202 B2 discloses a valve for an exhaust duct with a casing enclosing the outer end of the duct.
  • the casing encloses a collar downstream from the duct and a conical insert downstream from the collar to control air flow out through a top opening around the insert.
  • One solution is a new type of valve, which has optimized flow properties.
  • an outwardly-opening horn is located, which is arranged to be connected through a flow connection with the outer end of the exhaust-air duct and to lead the air in the flow direction towards the exhaust-air opening in the casing.
  • At least part of the insert located inside the casing, at a distance in the flow direction from the outer end of the exhaust-air duct, comprises an impingement surface widening in the flow direction and a narrowing exit surface.
  • the ratio of the distance between the insert and the outer end of the exhaust-air duct, and the internal diameter of the casing is 0,4 or more.
  • the exhaust duct valve 100 is intended to the installed on the outer end of an exhaust-air duct 200 outside a building.
  • the exhaust-duct valve 100 has a casing 10, which is arranged to connect to the outer end of the exhaust duct 200.
  • the casing 10 can be made from one or more parts.
  • the casing 10 comprises two parts 11, 12 connected to each other by a shape joint, to facilitate installation.
  • the parts 11, 12 can be joined together, for example, by gluing, with screws, rivets, or some other joint. If it is possible in terms of manufacturing technique, a one-part valve can also be envisaged (not shown).
  • the seating part 11 connects to the outer end of the exhaust duct 200 by a shape, screw, or other joint and can comprise a covering 14 extending around the exhaust duct 200.
  • the seating 11 comprises at its lower end a group of water-removal openings 50, which are shaped to lead rainwater that has entered the casing 10 out of the casing 10 without water collecting inside the casing.
  • the lower surface of the seating 11 is made to run outwards and downwards from the centre line of the exhaust-duct valve 100, in order to guide rainwater out of the exhaust-duct valve's casing 10.
  • the lower surface is, in addition, curved, particularly being convex upwards.
  • the seating 11 also comprises a horn 40, which is located inside the casing 10 and arranged to be connected to a flowing connection with the outer end of the exhaust duct 200.
  • the horn 40 is a separate component, connected to the seating 11 by shape-jointing.
  • the horn 40 could be secured in the cover 14 by a shape or other joint, or in the seam between the seating 11 and the cover 14, or the horn 40 could be integrated with the seating 11 or the cover 14.
  • the horn 40 is shaped to open in the direction of flow.
  • the free upper end of the horn 40 is wider than its lower end connected to the exhaust duct 200.
  • the direction of flow is defined as the normal to the opening connecting the horn 40 to the exhaust duct 200, which is the vertical direction in the embodiment shown in the figures. Due to the installation tolerances, the flow direction Y may deviate from the vertical direction.
  • the jacket 12 connected to the seating 11 of the casing 10 is designed to protect the horn 40 from environmental factors, such as rain, rubbish, and small animals.
  • the jacket 12 encloses the horn 40 and comprises an insert 30 located above the horn 40. More specifically, the insert 30 is located at a distance Y2 in the flow direction Y from the horn 40 and at a distance Y1 from the outer end of the exhaust duct 200, to which the horn 40 is connected.
  • the insert 30 can be entirely inside the casing 10, as shown in FIGURES 1 - 3 , or it can extend above the casing 10 in order to induce an air flow (not shown).
  • the insert 30 is shaped on the one hand to protect the horn 40 from environmental factors and on the other to promote a laminar flow.
  • the insert 30 comprises an impingement surface 31 widening in the flow direction Y, which receives the air coming from the exhaust duct 200 and forwarded by the horn 40.
  • the impingement surface 31 is convex in the flow direction Y, being, for example, spherical, or it can have a shape with a changing radius (not shown).
  • the lower part of the insert 30 is convex.
  • the impingement surface 31 spreads the arriving air flow towards the jacket 12 of the casing 10. More specifically, the impingement surface 31 is shaped to guide the exhaust-air flow transversely to the flow direction Y towards the gap between the inner surface of the casing 10 and the insert 30, which has a width X3 in the transverse direction to the flow direction Y.
  • the insert 30 has a narrowing exit surface 32.
  • the insert 30 has a narrowing upper part.
  • the exit surface 32 is a cone with a rounded point, but also other narrowing shapes, such as domes can be envisaged.
  • the incidence and exit surfaces 31, 32 meet in the circumferential outer edge of the insert.
  • the outer edge is preferably shaped as a saw-shaped drip edge 33, the sharp points of which separate the flowing water mass into controlled drip flows, which helps to avoid the water flowing from curving towards the centre line of the valve 10 and thus towards the horn 40.
  • thanks to the drip edge 33 the flowing water is guided in trickles towards the inner surface of the casing 10.
  • the upper end of the casing 10 is shaped to be such that an exhaust openings 20 is formed between the jacket 12 and the insert 30.
  • the exhaust opening 20 is thus located at the outer end of the casing 10, in the flow direction Y.
  • the casing 10 is open at the top.
  • the exhaust opening 20 is annular, to prevent rainwater from entering the horn 40.
  • the casing 10 also encloses a guide 13, which surrounds the exit surface 32 of the insert 30, between the insert 30 and the casing 10.
  • the guide 13 is a cylinder 13, which extends and narrows in the flow direction Y.
  • the guide 13 is comparatively short and is placed to surround the insert 30 from above, thus causing the least possible pressure loss.
  • the guide 13 helps to guide rainwater away from the horn 40.
  • the mutual ratios of the dimensions of the exhaust-duct valve 100 have been developed to minimize turbulence, without, however, compromising the protection of the horn 40.
  • the ratio of the distance Y1 between the insert 10 and the outer end of the exhaust duct 200 to the internal diameter X2 is 0,4 or more. If, for example, the exhaust-duct valve 100 is dimensioned for a 125-millimetre exhaust duct 200, the X4 of which is 125 mm, the ratio Y1/X2 is in the order of 0,6.
  • the ratio Y1/X2 is in the order of 0,5.
  • the insert 30 is, according to one embodiment, placed at a distance Y2 in the flow direction from the horn 40 in such a way that the ratio of the distance Y2 between the insert 30 and the horn 40 to the internal diameter X2 of the casing 10 is 0,1 or more, preferably 0,2 or more.
  • the exhaust-duct valve 100 is dimensioned for a 125-millimetre exhaust duct 200, the X4 of which is 125 mm, the ratio Y2/X2 is in the order of 0,2. If the exhaust-duct valve 100 is dimensioned for 160-millimetre exhaust duct 200, the X4 of which is 160 mm, the ratio Y2/X2 is in the order of 0,13. Thus the flow remains fluent. It should be understood that the dimensions of real pieces may differ from the nominal dimensions referred to above.
  • the external diameter X1 of the insert 30, particularly the largest external diameter at the drip edge 32, is considerable relative to the internal diameter X5 of the horn 40.
  • the ratio X1/X5 is 1 or more, preferably 1,2 or more. If, for example, the exhaust-duct valve 100 is dimensioned for a 125-millimetre exhaust duct 200, X4 of which is 125 mm, or for a 160-millimetre exhaust duct 200, X4 of which is 160 mm, the ratio X1/X5 is in the order of 1,2.
  • the insert 30 is sufficiently wide relative to the size of the horn 40. As can be seen from the above examples, the insert 30 need not be considerably wider than the internal diameter X5 of the horn 40.
  • the ratio of the width X3 of the gap between the insert 30 and the casing 10 to the internal diameter X4 of the exhaust duct 200 is 0,1 or more, preferably 0,2 or more.
  • the ratio of the gap X3 between the insert 30 and the inner surface of the casing 10 to the internal diameter X2 of the casing 10 is 0,05 or more, preferably 0,1 or more.
  • a conventional valve was compared with a valve implemented according to one embodiment in a flow simulation, in which the flow properties of the conventional valve and the valve according to one embodiment, designed for a 125-millimetre exhaust duct, were compared to each other at a flow velocity of 5 m/s and the results of which are shown in the table below:
  • Parameter Conventional valve Valve according to one embodiment Y2/X1 [mm] - 0,2 Y2/X2 - 0,13 Y2/Y1 - 0,3 Y1/X2 - 0,5 X3/X4 0,3 0,2 X3/X2 0,15 0,1 X1/X5 1,44 1,5 pressure loss [Pa] 14,3 10,1

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Housings (AREA)
  • Details Of Valves (AREA)
  • Check Valves (AREA)

Claims (12)

  1. Soupape pour conduit d'échappement (100) pour un conduit d'échappement, ladite soupape pour conduit d'échappement étant agencée pour connecter l'extrémité externe du conduit d'échappement (200), et ladite soupape comprenant :
    - un boîtier (10), qui présente un diamètre interne (X2) et une ouverture d'air d'échappement (20),
    - une corne d'ouverture (40), qui est située à l'intérieur du boitier (10) et est agencée pour être connectée à l'extrémité externe du conduit d'échappement (200) dans une connexion d'écoulement et pour diriger l'air dans une direction d'écoulement (Y) vers l'ouverture d'air d'échappement (20) du boîtier (10), et
    - un insert (30), qui
    ∘ est situé au moins en partie à l'intérieur du boîtier (10) à une distance (Y1) dans la direction d'écoulement (Y) depuis l'extrémité externe du conduit d'échappement (200),
    ∘ comprend une surface d'impact (31) s'élargissement dans la direction d'écoulement (Y), et ledit insert
    ∘ comprend une surface de sortie (32) se rétrécissant dans la direction d'écoulement (Y),
    moyennant quoi le rapport de la distance (Y1) entre l'insert (10) et l'extrémité externe du conduit d'échappement (200) sur le diamètre interne (X2) du boîtier est de 0,4 ou plus.
  2. Soupape pour conduit d'échappement (100) selon la revendication 1, dans laquelle le rapport de la distance (Y1) entre l'insert (10) et l'extrémité externe du conduit d'échappement (200) sur le diamètre interne (X2) du boîtier est de 0,5 ou plus.
  3. Soupape pour conduit d'échappement (100) selon la revendication 1 ou 2, dans laquelle le boîtier (10) présente une partie supérieure ouverte.
  4. Soupape pour conduit d'échappement (100) selon la revendication 1, 2 ou 3, dans laquelle la surface d'impact (31) est convexe dans la direction d'écoulement (Y).
  5. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle l'insert (30) est situé à une distance (Y2) dans la direction d'écoulement (Y) depuis la corne (40), dans laquelle le rapport de la distance (Y2) entre l'insert (30) et la corne (40) sur le diamètre interne (X2) du boîtier (10) est de 0,1 ou plus, de préférence de 0,2 ou plus.
  6. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle l'insert (30) présente un diamètre externe (X1) transversal par rapport à la direction d'écoulement, dans laquelle le rapport du diamètre externe (X1) sur l'insert (30) sur le diamètre interne (X5) de l'extrémité externe de la corne (40) est de 1 ou plus, en particulier de 1,2 ou plus.
  7. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle le diamètre externe le plus grand (X1) de l'insert (30) est plus grand que le diamètre de l'embouchure de la corne, afin d'empêcher l'eau de pluie de pénétrer dans la corne.
  8. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle la surface d'impact (31) est formée pour guider le flux d'air d'échappement dans une direction transversale par rapport à la direction d'écoulement vers un espace entre la surface interne du boîtier (10) et l'insert (30), ledit espace présentant une largeur (X3) dans la direction transversale à la direction d'écoulement (Y).
  9. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle le rapport de la largeur (X3) de l'espace sur le diamètre interne (X4) du conduit d'échappement (200) est de 0,1 ou plus, de préférence de 0,2.
  10. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle le rapport de la largeur (X3) de l'espace sur le diamètre interne (X2) du boîtier (10) est de 0,05 ou plus, de préférence de 0,1 ou plus.
  11. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle l'insert (30) comprend un bord d'égouttement en scie (33) entre la surface d'impact (31) et la surface de sortie (32) dans la direction d'écoulement (Y).
  12. Soupape pour conduit d'échappement (100) selon l'une quelconque des revendications précédentes, dans laquelle, dans l'ensemble installé, la direction d'écoulement (Y) est verticale ou essentiellement verticale.
EP18168639.5A 2017-04-27 2018-04-23 Soupape pour conduit d'échappement Active EP3396259B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18168639T PL3396259T3 (pl) 2017-04-27 2018-04-23 Zawór do kanału wylotowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20175375A FI128339B (fi) 2017-04-27 2017-04-27 Poistoilmaputken venttiili

Publications (2)

Publication Number Publication Date
EP3396259A1 EP3396259A1 (fr) 2018-10-31
EP3396259B1 true EP3396259B1 (fr) 2020-04-01

Family

ID=62067373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18168639.5A Active EP3396259B1 (fr) 2017-04-27 2018-04-23 Soupape pour conduit d'échappement

Country Status (7)

Country Link
EP (1) EP3396259B1 (fr)
DK (1) DK3396259T3 (fr)
FI (1) FI128339B (fr)
LT (1) LT3396259T (fr)
PL (1) PL3396259T3 (fr)
RU (1) RU2722076C1 (fr)
UA (1) UA122500C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111609512A (zh) * 2020-06-01 2020-09-01 海宁市富连机械有限公司 一种建筑施工用通风降噪设备
RU2835132C1 (ru) * 2024-07-17 2025-02-24 Общество с ограниченной ответственностью "ЛИССИБ" Водоотводный насадок для воздуховода и способ его изготовления

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102797097B1 (ko) * 2022-06-15 2025-04-24 주식회사 이엠코 연돌의 우수유입 방지장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH377080A (de) * 1959-06-11 1964-04-30 Eberspaecher J Entlüfter für Hallen und dergleichen Bauwerke
AU436202B2 (en) * 1969-08-01 1973-05-29 Oriental Metal Manufacturing Company Limited Ventilator
SU1525412A2 (ru) * 1988-01-22 1989-11-30 А. А. Михайлов и Л. А. Ступина Дефлектор выт жной трубы
RU2087809C1 (ru) * 1995-12-06 1997-08-20 Товарищество с ограниченной ответственностью "Доркомтехника" Дефлектор ханжонкова
FI125079B (fi) * 2010-12-09 2015-05-29 Sk Tuote Oy Ilmanvaihtopäätelaitteen lisälaite

Non-Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111609512A (zh) * 2020-06-01 2020-09-01 海宁市富连机械有限公司 一种建筑施工用通风降噪设备
RU2835132C1 (ru) * 2024-07-17 2025-02-24 Общество с ограниченной ответственностью "ЛИССИБ" Водоотводный насадок для воздуховода и способ его изготовления

Also Published As

Publication number Publication date
FI128339B (fi) 2020-03-31
LT3396259T (lt) 2020-08-10
UA122500C2 (uk) 2020-11-25
PL3396259T3 (pl) 2020-09-21
FI20175375A1 (fi) 2018-10-28
RU2722076C1 (ru) 2020-05-26
DK3396259T3 (da) 2020-07-06
EP3396259A1 (fr) 2018-10-31

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