EP1983268A2 - Platte und Verschlusskappe für thermische Heizkörperverteiler mit integriertem Entlüftungsventil - Google Patents

Platte und Verschlusskappe für thermische Heizkörperverteiler mit integriertem Entlüftungsventil Download PDF

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Publication number
EP1983268A2
EP1983268A2 EP20080103578 EP08103578A EP1983268A2 EP 1983268 A2 EP1983268 A2 EP 1983268A2 EP 20080103578 EP20080103578 EP 20080103578 EP 08103578 A EP08103578 A EP 08103578A EP 1983268 A2 EP1983268 A2 EP 1983268A2
Authority
EP
European Patent Office
Prior art keywords
recess
hole
plate
cap
dowel
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Withdrawn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
EP20080103578
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English (en)
French (fr)
Inventor
Valter Lolli
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1983268A2 publication Critical patent/EP1983268A2/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/08—Arrangements for drainage, venting or aerating
    • F24D19/082—Arrangements for drainage, venting or aerating for water heating systems
    • F24D19/083—Venting arrangements
    • F24D19/085—Arrangement of venting valves for central heating radiators
    • F24D19/086—Arrangement of venting valves for central heating radiators hand-operated

Definitions

  • the present invention relates to the construction of thermal radiators, in particular intended to use in flats or housing structures of hotel kind or the like.
  • the present invention relates to a closing plate for heads of thermal radiators manifolds, shaped in order to include a bleed element for air collected inside the water circulation system.
  • thermal radiators used in heating systems are constituted by two tubular manifolds, radiant tubular elements being arranged between them.
  • the heads of the manifolds are closed by means of plates, shaped according to the section of the pipe used to provide the manifolds.
  • Embodiment examples of the plates can be found in the Italian patent n° 1290646 , which describes a method for producing such plates, or in the Italian patent application for industrial invention BO2006A 000764 relating to the production of a plate provided with means which facilitate its welding to the manifold.
  • the plates are shaped according to the section of the manifold, so they can be semi-oval, oval, quadrangular, or however they can have any shape.
  • the plates are provided with a projection which is introduced in the head of the manifold, for its positioning.
  • the plate is then welded to the manifold along the edge by means of several known techniques, which are not described as not relevant to the present invention.
  • a bleed valve for the air which inevitably collects over the time inside the radiator and that might prevent or at least obstruct the correct circulation of the heating liquid.
  • valves are made up by a cylindrical or polygonal body, with a threaded end, so that they can be screwed in the plate provided with a suitably dimensioned threaded hole.
  • the valve body is also provided with a cock which allows the opening of a pipe inside the same, consequently releasing the air collected in the radiator. Obviously this embodiment implies high costs.
  • This hole is threaded and used to introduce a bearing screw of the plate during finishing operations, such as for example paint coating.
  • a type of on the market available closing caps is provided with the bleed valve, realized by means of a hole made in the same and then partly threaded.
  • a radial hole connects the bottom of the threaded hole with the outside. Therefore, unscrewing the dowel it is possible to let air out through the radial hole, as to provide bleeding.
  • the outer portion of the cap undergoes machining (turning, milling) such that one can work on the same by means of suitable tools and can fix the cap to the radiator.
  • figure 1 it is visible only one groove 10, while in figure 2 is visible every groove, which in the shown embodiment is realized by way of example.
  • a dowel 8 Threaded as well, provided at its tip with an appendix 9 having a diameter corresponding to the one of the sized hole 6.
  • an O-ring can be disposed between the frustum of cone portion of the dowel and the valve seat provided in the bottom of the recess 4, consequently enhancing the sealing properties.
  • the bleed valve is thus provided.
  • the plate object of the invention is produced with the bleed valve yet integrated therein, whereby the application of a traditional type external valve, after assembling the radiator, is no more necessary.
  • valve thus produced is inexpensive as it requires only screwing a dowel, without external elements and therefore it is better also from an aesthetical point of view.
  • Eliminating the outer valve implies reducing costs as it eliminates both an element and its mounting.
  • the protuberance 3 on the plate can be produced by different methods, using known techniques, such for example drawing or by applying a cylindrically shaped segment, at a hole made in the plate.
  • a copper ring 32 is interposed to provide sealing.
  • the edge of the plate 34 surrounding the cylindrical segment 31 is then riveted (calking) in order to provide fixing ( figure 6 ).
  • cylindrical segment can be applied also by other fixing means, for example by welding, whereby the copper ring 32 is no more necessary, or by interference.
  • the concerned cap 15 is realized by means of a pressing procedure, starting from a metal sheet.
  • the reduced diameter portion 17 is provided with an outer thread 18, which makes it suitable to be screwed in the threaded hole 19 of a traditional plate 16, for closing a manifold.
  • An O-ring 24 can be arranged around the reduced diameter threaded portion 17, to guarantee sealing when the cap is tightened.
  • the through hole 22 is also provided with a thread.
  • a dowel 25 is introduced in the recess 21.
  • the dowel is divided in two portions, that is one greater diameter portion 26 and one reduced diameter portion 27, which are connected together by means of a frustum of cone section 29.
  • Loosening the dowel 25 permits the air to be bled to leak out through the grooves 23.
  • Another advantage of the described configuration is to make the radial hole useless, since the air bleeding is allowed by the grooves 23 of the threaded though hole 22. The air flows from the grooves in the recess 21 and from this to the outside.
  • caps thus obtained result better than the known caps from an aesthetical point of view. There are no projecting portions and it is easier to apply a coating, consequently attaining a more pleasant result.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Housings (AREA)
EP20080103578 2007-04-19 2008-04-16 Platte und Verschlusskappe für thermische Heizkörperverteiler mit integriertem Entlüftungsventil Withdrawn EP1983268A2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20070288 ITBO20070288A1 (it) 2007-04-19 2007-04-19 Piastrina e tappo di chiusura per collettori di radiatori termici provvisti di valvolina di spurgo integrata

Publications (1)

Publication Number Publication Date
EP1983268A2 true EP1983268A2 (de) 2008-10-22

Family

ID=39683923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080103578 Withdrawn EP1983268A2 (de) 2007-04-19 2008-04-16 Platte und Verschlusskappe für thermische Heizkörperverteiler mit integriertem Entlüftungsventil

Country Status (2)

Country Link
EP (1) EP1983268A2 (de)
IT (1) ITBO20070288A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2796797A3 (de) * 2013-03-28 2015-05-27 Ribe Jernindustri A/S Heizkörper

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1290646B1 (it) 1997-01-20 1998-12-10 Valter Lolli Metodo per la realizzazione di piastrine di chiusura per testate di radiatori termici.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1290646B1 (it) 1997-01-20 1998-12-10 Valter Lolli Metodo per la realizzazione di piastrine di chiusura per testate di radiatori termici.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2796797A3 (de) * 2013-03-28 2015-05-27 Ribe Jernindustri A/S Heizkörper

Also Published As

Publication number Publication date
ITBO20070288A1 (it) 2008-10-20

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