EP1445555A1 - Déviateur rotatif pour robinet, ensemble robinet et robinet avec moyens d'étanchéité pour manipuler ce déviateur - Google Patents

Déviateur rotatif pour robinet, ensemble robinet et robinet avec moyens d'étanchéité pour manipuler ce déviateur Download PDF

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Publication number
EP1445555A1
EP1445555A1 EP04075254A EP04075254A EP1445555A1 EP 1445555 A1 EP1445555 A1 EP 1445555A1 EP 04075254 A EP04075254 A EP 04075254A EP 04075254 A EP04075254 A EP 04075254A EP 1445555 A1 EP1445555 A1 EP 1445555A1
Authority
EP
European Patent Office
Prior art keywords
deviator
union
collar
valve
fluid
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Withdrawn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
EP04075254A
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German (de)
English (en)
Inventor
Stefano Fracchia
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 EP1445555A1 publication Critical patent/EP1445555A1/fr
Withdrawn legal-status Critical Current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
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes

Definitions

  • the present invention relates to a deviator able to be rotationally operated and intended for unions which can be connected to fluid intercepting valves in recirculating systems and the like, a union for said deviator and a valve equipped with sealed internal means for rotationally operating said deviator.
  • valves for controlling the water flow are also known, said valves being arranged between the supply pipes which are laid in the floor or in the wall and said radiator elements.
  • These known valves include those which are suitable for so-called one-pipe systems, namely those where the radiator elements are arranged in series and the return of one element acts as the delivery for the next element.
  • valves although performing their function, nevertheless have a major drawback consisting in the fact that, during preliminary laying of the piping, it is essentially not possible to maintain in a reliable manner the orientation of the delivery pipe and, upon connection of the valve, it may happen that the pipe which projects from the wall and is intended for delivery is instead the return pipe; in this case the connection of the one-pipe valve produces a flow of hot water which instead of rising upwards enters directly into the radiator element at the bottom, causing only partial heating of the radiator with a consequent large wastage of energy in order to obtain the temperature required in that specific environment.
  • the same phenomenon may occur in so-called two-pipe systems where the radiators are arranged in parallel along the two pipes, one of which is the delivery pipe and the other the return pipe: in this case the amount of energy used would be even greater since the hot water leaving a radiator flows out directly into the return pipe which does not supply the next radiator.
  • the technical problem which is posed therefore is that of designing a deviator which is able to be inserted into a union arranged between a valve for intercepting fluids, such as hot water and the like, and is rotatable inside the said union; a union able to contain said deviator and allow rotation thereof; as well as a intercepting valve which comprises means for rotationally operating a deviator inserted inside a union arranged between the said valve and the radiator of the heating system.
  • connecting valve should be simple and inexpensive to manufacture, should be adaptable to all the ready installed systems without the need for complex adjustments and should not require substantial modifications upon reversal of the flow.
  • a deviator able to be rotationally operated, according to the characteristic features of Claim 1, a union provided with an internal deviator according to the characteristic features of Claim 7 and a valve which can be associated with said union and has sealed internal means for rotational operation of the said deviator according to Claim 21.
  • a valve 10 for intercepting a heating fluid for radiators 20 comprises a body 11 having, formed therein, two apertures 12 and 13 with their axis substantially at right angles to the longitudinal axis of the valve and able to receive, inserted therein, the pipes 12a and 13a which, in the example shown, form respectively the delivery and the return, as indicated by the arrows. Said pipes 12a and 13a are restrained to the valve body using means which are known per se and not shown nor described.
  • a third opening 14 is formed for supplying the fluid to the radiator body 20 to which the valve is connected via a union 30 which is screwed with known means to the delivery pipe 22, to the return duct 23 from the radiator 20 and to the valve body 11 and inside which a device 40 for deviating the flow of the fluid is arranged, as described in detail below.
  • the valve body 11 also has, coaxially arranged inside it, an obturator 15 which can be displaceably operated by means of a usual control knob 16 which causes opening/closing of the valve which, in the figures, is always shown open; the obturator 15 is provided at each of its ends with an external sealing member 15b of the O-ring type for ensuring a seal between the obturator 15 and the valve body 10.
  • the obturator 15 also has an internal duct 15a which connects the valve 10 to the union 30.
  • the means 100 for rotationally operating the said deviator 40 are coaxially housed inside said duct 15a.
  • Said operating means 100 comprise a rod 110 substantially in the form of a cross with arms 110a extending in the longitudinal direction at least at the opposite ends of the said rod.
  • the longitudinal arms 110a project axially from the end directed towards the deviator (referred to as "front" end below) so as to be able to be inserted axially into corresponding seats 45a formed in a first front collar 45 of the deviator 40 (Fig. 4).
  • said valve 10 is provided with an obturator guide 18 coaxially inserted inside the duct 15a and having a front end control wheel 18a with radial spokes 18b connected in the region of the longitudinal axis to a hollow collar 18c.
  • said collar 18c forms the element for coupling the valve to the deviator 40 contained in the union 30.
  • the axial arms 110a On the opposite side to the deviator 40 the axial arms 110a have a smaller transverse dimension so as to allow them to be housed inside a nose-piece 16 of the valve body, said nose-piece being in turn closed at the front by a threaded plug 17 with a hexagonal head 17a.
  • the rod 110 is retained in the axial direction by conventional elastic means of the Seeger type 112 which are accessible from the side where the nose-piece 16 is situated and removable so as to allow assembly/disassembly of the rod in the event of the valve requiring maintenance.
  • Annular rings 113 of the O-ring type able to prevent the fluid from leaking from the valve, are arranged between the rod 110 and the valve body 11.
  • said union 30 which is substantially T-shaped, has a first hole 30a (see Fig. 2) with its centre on an axis substantially at right angles to the longitudinal axis of the valve body 11 and able to connect the union 30 with the pipe 22 for delivery of the fluid to the radiator panel 20, as well as a second hole 30b with its axis substantially parallel, but not coinciding with said longitudinal axis of the valve body and formed in a baffle 30c for reducing the aperture 30d for return of the fluid supplied from the duct 23 of the radiator 20.
  • the union 30 On its front end surface engaging with the valve 10, the union 30 has a semicircular, lowered, internal seat 34 (Fig. 5), the opposite diametral surfaces 34a of which form the end-of-travel stops for rotation of the deviator 40 once the latter has been inserted inside the said union.
  • the deviator 40 (Fig. 4) according to the present invention consists of a flat body 41 on which a tubular section 42 is engaged, said section being cut in the longitudinal direction so as to form an opening 42a; on the side where it is engaged with the valve 10 (referred to below as "front" side for the sake of convenience of the description) the surface 41 is delimited frontally by a semicircular collar 43 which, at one of its opposite diametral ends, has a tooth 43a extending radially outwards and able to be housed inside said semicircular seat 34 of the union 30 (Fig. 5).
  • the deviator 40 is completed in its front end part by an annular collar 44 of suitable depth in the axial direction, having an end surface open in the form of a semicircular recess 44a through which the fluid is able to pass.
  • Said external collar 44 is concentric with said internal collar 45 provided with seats 45a for receiving the arms 110a.
  • the rear free end of the surface 41 has two lugs 46 which extend in the longitudinal direction and are resiliently deformable in the transverse direction and have free ends formed in the manner of a tooth 46a.
  • Said lugs are able to snap-engage inside a special hole 36 in the baffle 30c of the union in order to maintain stably the axial position of the deviator 40.
  • the deviator 40 must be arranged with the opening 42a upwards (Figs. 4 and 5); if this should not be the case it would be sufficient to:
  • the deviator 40 Since the end-of-travel surfaces 34a of the seat 34 are arranged at opposite diametral ends of the said seat, the deviator 40 will rotate only through 180°, thus preventing any possibility of error in angular positioning of the deviator.
  • valve according to the invention allows operation of a device for deviating the internal flow to a union connecting the valve to a radiator without the need to empty the system and without the need to disassemble the valve or the union which may remain assembled during the operation, with obvious advantages in terms of safety and reduced amount of time required.
  • the particular cross-shaped form of the rod 110 ensures a high robustness thereof without an excessive loss of head of the delivery fluid.
  • the operating tool may consist of a control knob 200 which has a hexagonal seat 201 suitable for engagement with the head 17a of the plug 17 and a coaxial extension 202 having formed inside it a cross-shaped seat 202a corresponding to the cross formed by the axial arms 110a of the actuating rod 110.
  • control knob provided with the valve allows the actuating rod to be accessed and operated without the user needing to have working tools in situ .
  • said plug 17 may be operated only by means of the special spanner 200 (Fig. 7), thus preventing the possibility of the valve settings being tampered with by non-specialized personnel.
  • the ring 31 for locking the union 30 to the valve 10 is designed with a circular through-hole 31a having two slots 31b arranged symmetrically with respect to the axis of rotation of the ring so as to allow insertion of the latter on the delivery duct 30a of the union, while limiting the external dimensions of the said ring and ensuring a corresponding saving in material and hence reduced weight.

Landscapes

  • 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)
  • Branch Pipes, Bends, And The Like (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Valve Housings (AREA)
EP04075254A 2003-02-10 2004-01-27 Déviateur rotatif pour robinet, ensemble robinet et robinet avec moyens d'étanchéité pour manipuler ce déviateur Withdrawn EP1445555A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20030229 2003-02-10
ITMI20030229 ITMI20030229A1 (it) 2003-02-10 2003-02-10 Elemento deviatore azionabile in rotazione per raccordi di valvole, relativo raccordo e valvola dotata di mezzi interni

Publications (1)

Publication Number Publication Date
EP1445555A1 true EP1445555A1 (fr) 2004-08-11

Family

ID=32652470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04075254A Withdrawn EP1445555A1 (fr) 2003-02-10 2004-01-27 Déviateur rotatif pour robinet, ensemble robinet et robinet avec moyens d'étanchéité pour manipuler ce déviateur

Country Status (3)

Country Link
EP (1) EP1445555A1 (fr)
CN (1) CN100470164C (fr)
IT (1) ITMI20030229A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1653164A2 (fr) * 2004-10-29 2006-05-03 Tiemme Raccorderie S.p.A. Element déflecteur de fluide pour raccord de radiateur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130121860A1 (en) * 2011-11-10 2013-05-16 Gene Bluhm Retrofit of a reciprocating compressor with a concentric valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0441761A2 (fr) 1990-02-08 1991-08-14 B E A S Industrikonsult AB Raccordement d'un élément chauffant
EP0862026A2 (fr) * 1997-02-27 1998-09-02 Stefano Fracchia Raccord pour soupape d'arrêt avec dispositif de dérivation rotatif interne pour maintenir la direction de courant d'alimentation
WO2002075223A2 (fr) 2001-03-19 2002-09-26 Brinic B.V. Ensemble raccord et bloc de raccord d'un systeme de chauffage central

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0441761A2 (fr) 1990-02-08 1991-08-14 B E A S Industrikonsult AB Raccordement d'un élément chauffant
EP0862026A2 (fr) * 1997-02-27 1998-09-02 Stefano Fracchia Raccord pour soupape d'arrêt avec dispositif de dérivation rotatif interne pour maintenir la direction de courant d'alimentation
WO2002075223A2 (fr) 2001-03-19 2002-09-26 Brinic B.V. Ensemble raccord et bloc de raccord d'un systeme de chauffage central

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1653164A2 (fr) * 2004-10-29 2006-05-03 Tiemme Raccorderie S.p.A. Element déflecteur de fluide pour raccord de radiateur
EP1653164A3 (fr) * 2004-10-29 2006-06-14 Tiemme Raccorderie S.p.A. Element déflecteur de fluide pour raccord de radiateur

Also Published As

Publication number Publication date
CN100470164C (zh) 2009-03-18
CN1523302A (zh) 2004-08-25
ITMI20030229A1 (it) 2004-08-11

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