EP3633285B1 - Ventilation valve - Google Patents

Ventilation valve Download PDF

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Publication number
EP3633285B1
EP3633285B1 EP19200038.8A EP19200038A EP3633285B1 EP 3633285 B1 EP3633285 B1 EP 3633285B1 EP 19200038 A EP19200038 A EP 19200038A EP 3633285 B1 EP3633285 B1 EP 3633285B1
Authority
EP
European Patent Office
Prior art keywords
pin
front plate
hollow spindle
flexible member
ventilation 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
EP19200038.8A
Other languages
German (de)
French (fr)
Other versions
EP3633285A1 (en
Inventor
Juha Järvinen
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.)
FlaektGroup Sweden AB
Original Assignee
FlaektGroup Sweden AB
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Filing date
Publication date
Application filed by FlaektGroup Sweden AB filed Critical FlaektGroup Sweden AB
Publication of EP3633285A1 publication Critical patent/EP3633285A1/en
Application granted granted Critical
Publication of EP3633285B1 publication Critical patent/EP3633285B1/en
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
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members

Definitions

  • the invention relates to a ventilation valve having a body and a front plate connected thereto, the body comprising a truss provided with an opening to which a hollow spindle that extends in the axial direction of the opening in the truss and coaxially with it is attached, the front plate comprises a pin which is connected to the front plate in an orthogonal direction the pin of the front plate is inserted into the hollow spindle, whereby a flexible member is fixed to the pin of the front plate, the widest point of the flexible member is larger than the inner diameter of the hollow spindle such that the flexible member compresses and directs a spring force on the inner surface of the hollow spindle when the pin is inserted in the hollow spindle.
  • the ventilation valve may be an incoming air valve or outgoing air valve fixed to a wall or ceiling of a room space.
  • incoming air is taken through the incoming air valve, and correspondingly air from the room space exits through the outgoing air valve.
  • a room space may refer to any indoor space in which ventilation is arranged. Incoming air is typically taken from outdoors and outgoing air is removed outdoors.
  • This invention concerns valves that consist of a valve body, fixed to an opening in a wall or ceiling, and a front plate.
  • the valve body has a truss, in the middle of which an opening is traditionally made with an internal thread, to which a pin fixed to a front plate and having an external thread is screwed. Once the correct position of the front plate is achieved, the joint may be locked with a nut. To turn the screw, a tool is needed not only when installing it but also in case of a potential adjustment.
  • the Finnish patent application discloses 20175150 discloses a ventilation valve which has, fixed to the front plate of the valve, a pin which is pushed in a hollow spindle in a valve body.
  • the pin of the front plate has a curve made in it to increase friction between the pin and spindle parts.
  • a preferred embodiment of the ventilation valve according to the invention is characterized in that the flexible member is fixed to a free end of the pin.
  • a second preferred embodiment of the ventilation valve according to the invention is characterized in that the flexible member is fixed at least partly on the side or around the pin.
  • Yet another preferred embodiment of the invention is characterized in that the flexible member is substantially an oval-shaped loop made of metal wire.
  • Yet another preferred embodiment of the invention is characterized in that before insertion into the hollow spindle, the widest pat of the loop is larger than the inner diameter of the hollow spindle.
  • Figure 1 shows a front plate of the ventilation valve according to the invention.
  • Figure 2 is a cross section of the structure of the incoming air valve when the pin of the front plate is inserted in the hollow spindle.
  • the body 1 of the ventilation valve may be round, as in the drawings, or angular.
  • the ventilation valve may be an incoming air valve or outgoing air valve. In both cases, the body 1 may be alike.
  • the body 1 has a truss 2 with an opening 7. Fixed to the truss 2, by welding, for example, there is a hollow spindle 3 that extends in the axial direction of the opening 7 in the truss and coaxially with it.
  • the measurement system of airflow disclosed in the FI patent application 20175150 may also be implemented in this ventilation valve.
  • the pin 4 of the front plate 5, with the flexible member 6 in it, is inserted inside the hollow spindle 3 in the body 1.
  • the oval shape of the flexible member helps the insertion, because the tip of the flexible member is narrower than the centre part.
  • the flexible member 6 compresses and directs a spring force on the inner surface of the hollow spindle. This achieves good friction between the parts.
  • the front plate 5 is thus continuously adjustable in relation to the body 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Connection Of Plates (AREA)

Description

  • The invention relates to a ventilation valve having a body and a front plate connected thereto, the body comprising a truss provided with an opening to which a hollow spindle that extends in the axial direction of the opening in the truss and coaxially with it is attached, the front plate comprises a pin which is connected to the front plate in an orthogonal direction the pin of the front plate is inserted into the hollow spindle, whereby a flexible member is fixed to the pin of the front plate, the widest point of the flexible member is larger than the inner diameter of the hollow spindle such that the flexible member compresses and directs a spring force on the inner surface of the hollow spindle when the pin is inserted in the hollow spindle.
  • The ventilation valve may be an incoming air valve or outgoing air valve fixed to a wall or ceiling of a room space. As the term suggests, incoming air is taken through the incoming air valve, and correspondingly air from the room space exits through the outgoing air valve. In this context, a room space may refer to any indoor space in which ventilation is arranged. Incoming air is typically taken from outdoors and outgoing air is removed outdoors.
  • This invention concerns valves that consist of a valve body, fixed to an opening in a wall or ceiling, and a front plate. The valve body has a truss, in the middle of which an opening is traditionally made with an internal thread, to which a pin fixed to a front plate and having an external thread is screwed. Once the correct position of the front plate is achieved, the joint may be locked with a nut. To turn the screw, a tool is needed not only when installing it but also in case of a potential adjustment.
  • The Finnish patent application discloses 20175150 discloses a ventilation valve which has, fixed to the front plate of the valve, a pin which is pushed in a hollow spindle in a valve body. In a preferred embodiment, the pin of the front plate has a curve made in it to increase friction between the pin and spindle parts. However, it is difficult to make this solution last when the goal is to make the parts as narrow or thin as possible.
  • Previously there are also known from KR - A - 2004 0023865 and US - B1 - 6 203 421 ventilation valves utilizing springs that are used to provide spring forces in an axial direction of a front plate of the ventilation valve, while other means are utilized to keep and adjust the position of the front plate.
  • It is an object of the present invention to establish a new type of ventilation valve which is not associated with the aforementioned problems. This object is achieved with the ventilation valve according to independent claim 1.
  • A preferred embodiment of the ventilation valve according to the invention is characterized in that the flexible member is fixed to a free end of the pin.
  • A second preferred embodiment of the ventilation valve according to the invention is characterized in that the flexible member is fixed at least partly on the side or around the pin.
  • Yet another preferred embodiment of the invention is characterized in that the flexible member is substantially an oval-shaped loop made of metal wire.
  • Yet another preferred embodiment of the invention is characterized in that before insertion into the hollow spindle, the widest pat of the loop is larger than the inner diameter of the hollow spindle.
  • As an advantage of the invention, it may be mentioned that good enough friction is accomplished between the hollow spindle and a spring member in the pin, whereby the joint is firm and keeps its desired adjustment so that the structure withstands the strain it is subjected to.
  • In the following, the invention will be described in closer detail by means of examples of the preferred embodiments and referring to the accompanying drawings in which
  • Figure 1 shows a front plate of the ventilation valve according to the invention.
  • Figure 2 is a cross section of the structure of the incoming air valve when the pin of the front plate is inserted in the hollow spindle.
  • The structure of the body 1 of the inventive ventilation valve may be similar to what is disclosed in the FI patent application 20175150 .
  • This is why the structure is not described here in such a detail. The body 1 of the ventilation valve may be round, as in the drawings, or angular. The ventilation valve may be an incoming air valve or outgoing air valve. In both cases, the body 1 may be alike. The body 1 has a truss 2 with an opening 7. Fixed to the truss 2, by welding, for example, there is a hollow spindle 3 that extends in the axial direction of the opening 7 in the truss and coaxially with it. When both the truss 2 and the spindle have a coherent opening from the channel all the way to the indoor space, the measurement system of airflow disclosed in the FI patent application 20175150 may also be implemented in this ventilation valve.
  • Figure 1 shows a front plate 5 of the ventilation valve according to the invention. A pin 4 is fixed to it, extending in an orthogonal direction from the front plate 5. In this embodiment, the front plate 5 is round, but it may have another shape as needed. The outer diameter of the pin 4 is slightly smaller than the inner diameter of the hollow spindle 3. A free end of the pin 4 has a flexible member 6 fixed to it, which may have the shape of an oval loop, as shown in the drawings. In such a case, the widest point of the flexible member 6 (loop) is larger than the inner diameter of the hollow spindle 3. The oval-shaped loop may be made of metal wire, for example.
  • As shown in Figure 2, the pin 4 of the front plate 5, with the flexible member 6 in it, is inserted inside the hollow spindle 3 in the body 1. The oval shape of the flexible member helps the insertion, because the tip of the flexible member is narrower than the centre part. When being inserted, the flexible member 6 compresses and directs a spring force on the inner surface of the hollow spindle. This achieves good friction between the parts. The front plate 5 is thus continuously adjustable in relation to the body 1.
  • The flexible part 6 may be of another kind than that shown in the drawings. The essential thing is that the part directs spring force on the inner surface of the hollow spindle 3 and thus prevents unintended movement of the front plate 5 in relation to the hollow spindle (and body), but nevertheless allows continuous adjustment. The flexible member may also be fixed at least partly on the side or around the pin 4 of the front plate 5.
  • It is obvious for a person skilled in the art that the invention is not restricted to the aforementioned embodiments but is limited to the scope of the accompanying claims.

Claims (5)

  1. A ventilation valve having a body (1) and a front plate (5) connected thereto, the body (1) comprising a truss (2) provided with an opening (7) to which a hollow spindle (3) that extends in the axial direction of the opening in the truss and coaxially with it is attached, the front plate (5) comprises a pin (4) which is connected to the front plate (5) in an orthogonal direction the pin (4) of the front plate (5) is inserted into the hollow spindle (3), characterized in that a flexible member (6) is fixed to the pin (4) of the front plate (5), the widest point of the flexible member (6) is larger than the inner diameter of the hollow spindle (3) such that the flexible member (6) compresses and directs a spring force on the inner surface of the hollow spindle (3) when the pin (4) is inserted in the hollow spindle (3).
  2. A ventilation valve as claimed in claim 1, characterized in that the flexible member (6) is fixed to a free end of the pin (4).
  3. A ventilation valve as claimed in claim 1, characterized in that the flexible member (6) is fixed at least partly on the side or around the pin (4).
  4. A ventilation valve as claimed in claim 1 or 2, characterized in that the flexible member (6) is a loop made of metal wire and substantially oval-shaped.
  5. A ventilation valve as claimed in claim 4, characterized in that before insertion into the hollow spindle (3), the widest point of the loop is larger than the inner diameter of the hollow spindle (3).
EP19200038.8A 2018-10-01 2019-09-27 Ventilation valve Active EP3633285B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185813A FI127975B (en) 2018-10-01 2018-10-01 Vent valve

Publications (2)

Publication Number Publication Date
EP3633285A1 EP3633285A1 (en) 2020-04-08
EP3633285B1 true EP3633285B1 (en) 2022-03-16

Family

ID=66998816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19200038.8A Active EP3633285B1 (en) 2018-10-01 2019-09-27 Ventilation valve

Country Status (2)

Country Link
EP (1) EP3633285B1 (en)
FI (1) FI127975B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB375862A (en) * 1931-04-02 1932-07-04 Alexander William Stewart Improvements in air distributing apparatus
GB607323A (en) * 1946-01-30 1948-08-30 Frederick Charles Stewart Improvements in ventilating devices
GB618182A (en) * 1946-10-30 1949-02-17 Carrier Engineering Co Ltd Improvements in or relating to ventilating devices
US6203421B1 (en) * 2000-01-29 2001-03-20 Ervin H. Black Safety ceiling vent
KR20040023865A (en) * 2002-09-12 2004-03-20 양홍선 Diffuser for air conditioner

Also Published As

Publication number Publication date
FI20185813A1 (en) 2019-06-28
EP3633285A1 (en) 2020-04-08
FI127975B (en) 2019-06-28

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