EP0895034B1 - Heating system with improved supporting frame and expansion tank arrangement - Google Patents

Heating system with improved supporting frame and expansion tank arrangement Download PDF

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Publication number
EP0895034B1
EP0895034B1 EP98111477A EP98111477A EP0895034B1 EP 0895034 B1 EP0895034 B1 EP 0895034B1 EP 98111477 A EP98111477 A EP 98111477A EP 98111477 A EP98111477 A EP 98111477A EP 0895034 B1 EP0895034 B1 EP 0895034B1
Authority
EP
European Patent Office
Prior art keywords
supporting frame
expansion tank
boiler
heating system
wall
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
EP98111477A
Other languages
German (de)
French (fr)
Other versions
EP0895034A1 (en
Inventor
Marco Tagliaferri
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.)
Riello SpA
Original Assignee
Riello SpA
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 Riello SpA filed Critical Riello SpA
Publication of EP0895034A1 publication Critical patent/EP0895034A1/en
Application granted granted Critical
Publication of EP0895034B1 publication Critical patent/EP0895034B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 

Definitions

  • This invention generally relates to a heating system to be comprising a supporting frame to be installed on a wall which is of improved type as to the arrangement of its components and particularly the expansion tank.
  • the heating systems of this type are installed on a wall by means-of a supporting frame and the expansion tank of these gas-fired wall boilers is fastened to the rear portion of the boiler supporting frame, i.e. the frame portion facing the wall when the boiler is installed, whereas the other boiler components, i.e. the combustion chamber, the hydraulic assembly and so on, are fastened to the front portion of the supporting frame.
  • the expansion tank of these gas-fired wall boilers is fastened to the rear portion of the boiler supporting frame, i.e. the frame portion facing the wall when the boiler is installed, whereas the other boiler components, i.e. the combustion chamber, the hydraulic assembly and so on, are fastened to the front portion of the supporting frame.
  • the electric control unit, the burner with associated manifold, the hydraulic assembly and the heat exchanger are made accessible without difficulty once the front cover of the boiler is removed, whereas the accessibility of the expansion tank is strongly compromised because it is installed in the rear portion of the supporting frame. Therefore, when the boiler maintenance requires also the removal of the expansion tank, the costs thereof are increasing because this operation is rather difficult and time consuming.
  • the present invention aims at obviating the above disadvantages by providing a more rational arrangement of the expansion tank in the boiler supporting frame.
  • a heating system comprising a wall-mounted supporting frame formed of a pair of parallel spaced-apart uprights connected to each other by a transverse element, a boiler and an expansion tank, characterised in that the supporting frame is provided at its lower portion with at least a bracket extending perpendicular to the wall-mounted supporting frame and having at its free end hinging means for pivotally supporting the expansion tank in a spaced-apart relationship with respect to the wall-mounted supporting frame, so that the expansion tank is arranged in the portion of the heating system facing away the wall to which the supporting frame is mounted for an easy access thereof and can be pivoted about said hinging means between an operative position and a servicing position in order to permit an easy access to the heating system components.
  • a supporting frame for gas-fired wall boilers as that of the heating system of the present invention has some advantages of easy understanding.
  • the fact that the expansion tank is pivotally connected to the boiler supporting frame permits the working space to be held clear during the maintenance and is not detrimental to the accessibility of the other boiler components, particularly the components arranged behind the expansion tank.
  • FIG. 1 of the drawings there is shown a conventional supporting frame for gas-fired wall boilers, in which the expansion tank, generally designated by V, is mounted in the rear portion of the frame T.
  • V the expansion tank
  • the removal of the expansion tank V when the boiler has been already installed on the wall is rather difficult because it is necessary to unscrew the screws F fastening it to the upper portion of the frame T, operation per se already relatively difficult to be made, and remove it from the location in which it is housed by raising it in the direction of the arrow A.
  • FIG. 10 there is shown the lower half of a supporting frame for gas-fired wall boilers generally designated by 10.
  • This supporting frame 10 is comprised of a pair of parallel uprights 11 and 12 which are connected to each other by means of one or more transverse elements 13 adapted to impart to the supporting frame the necessary stiffness and to support some components of the boiler.
  • the uprights 11 is provided at its lower end with a bracket 14 and a bottom plate 15 which is intended to form the bottom of the boiler body and the support for components of the boiler.
  • the expansion tank 17 of the boiler is arranged before the frame 10 and is pivotally connected to the free end of the bracket 14 by means of a rod 18 fastened thereto.
  • This arrangement permits the expansion tank to be rotated about a vertical axis (rod 18) between two end positions, namely between the position of normal use and a position rotated with respect to the first one of an angle which permits the boiler components arranged in the space S behind the expansion tank, for example the electrical control unit CE, to be easily accessible.
  • both the uprights 11 and 12 are provided at their lower ends with brackets 14, referred to as lower brackets.
  • brackets 14 On the lower brackets 14 the bottom plate 15 is mounted.
  • bracket 16 Connected to the upright 11 and positioned above the lower brackets 14 is a third bracket 16, referred to as upper bracket, which has substantially the same length of the lower brackets 14.
  • the expansion tank of the boiler is designated by 17.
  • This expansion tank 17 is arranged before the frame 10 and is pivotally connected by means of hinges 18 and 19 to the free ends of the lower bracket 14 and the corresponding upper bracket 16, respectively.
  • This arrangement permits the expansion tank to be rotated about a vertical axis between two end positions, namely between a first position which is that of normal use shown in Fig. 4, and a second position rotated with respect to the first one of an angle, preferably greater than 180°, shown in Fig. 3, which permits the boiler components arranged in the space S behind the expansion tank, for example the electrical control unit CE, to be easily accessible.
  • the expansion tank 17 of the boiler is directly accessible because it is arranged before the supporting frame 10 in its lower half behind the boiler cover and is pivotally connected to one of its sides,thus allowing also the other components of the boiler to be easily accessed.
  • the expansion tank 17 can be easily removed when maintenance is required. As a matter of fact, it is sufficient to unscrew the screw 20 locking it to the bottom plate 15 and remove the hinging pins 18 and 19 from the ends of the lower bracket 14 and the upper bracket 16 by bending sligtly upwards the upper bracket 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Coating With Molten Metal (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

The supporting frame (10) for gas-fired wall boilers and the like has a pair of parallel uprights (11,12) connected to each other by transverse elements (13). The expansion tank (17) is arranged in the front portion of the boiler and the supporting frame (10) is provided with two brackets (14,16), the first of which (14) is connected to the lower end of one of the uprights (11 or 12) of the boiler supporting frame (10) whereas the second (16) is connected to the same upright (11 or 12), but above the first bracket (14). The expansion tank (17) is provided with hinging means (18,19) cooperating with corresponding hinging means arranged at the free ends of the two brackets (14,16) to permit the expansion tank to be pivotally connected to the supporting frame (10) and to be rotated about a vertical axis. <IMAGE>

Description

  • This invention generally relates to a heating system to be comprising a supporting frame to be installed on a wall which is of improved type as to the arrangement of its components and particularly the expansion tank.
  • Usually, the heating systems of this type are installed on a wall by means-of a supporting frame and the expansion tank of these gas-fired wall boilers is fastened to the rear portion of the boiler supporting frame, i.e. the frame portion facing the wall when the boiler is installed, whereas the other boiler components, i.e. the combustion chamber, the hydraulic assembly and so on, are fastened to the front portion of the supporting frame. Such a configuration is shown for instance in "Gas-Wandthermen für Neubau und Modernisierung", Zeitschrift Heizung Lüftung Haustechnik, November 1997, vol 48 No. 11 page 26.
  • In this arrangement of the boiler components the electric control unit, the burner with associated manifold, the hydraulic assembly and the heat exchanger are made accessible without difficulty once the front cover of the boiler is removed, whereas the accessibility of the expansion tank is strongly compromised because it is installed in the rear portion of the supporting frame. Therefore, when the boiler maintenance requires also the removal of the expansion tank, the costs thereof are increasing because this operation is rather difficult and time consuming.
  • Another disadvantage due to the usual arrangement of the expansion tank in the rear portion of the boiler supporting frame is that the boiler takes relatively large overall dimensions and this negatively affects the boiler transport and installation operations.
  • The present invention aims at obviating the above disadvantages by providing a more rational arrangement of the expansion tank in the boiler supporting frame. According to the invention this is obtained by providing a heating system comprising a wall-mounted supporting frame formed of a pair of parallel spaced-apart uprights connected to each other by a transverse element, a boiler and an expansion tank, characterised in that the supporting frame is provided at its lower portion with at least a bracket extending perpendicular to the wall-mounted supporting frame and having at its free end hinging means for pivotally supporting the expansion tank in a spaced-apart relationship with respect to the wall-mounted supporting frame, so that the expansion tank is arranged in the portion of the heating system facing away the wall to which the supporting frame is mounted for an easy access thereof and can be pivoted about said hinging means between an operative position and a servicing position in order to permit an easy access to the heating system components.
  • A supporting frame for gas-fired wall boilers as that of the heating system of the present invention, has some advantages of easy understanding. First at all, the fact that the expansion tank is mounted in the front portion of the frame, directly behind the boiler front cover, improves the accessibility thereof. Secondly, the fact that the expansion tank is pivotally connected to the boiler supporting frame permits the working space to be held clear during the maintenance and is not detrimental to the accessibility of the other boiler components, particularly the components arranged behind the expansion tank.
  • The present invention will be now described in more detail in connection to the accompanying drawings, wherein:
  • Fig. 1 is a perspective view of a supporting frame for prior art gas-fired wall boilers wherein it can be seen that the expansion tank is arranged in the rear portion of the supporting frame;
  • Fig. 2 is a perspective view of the lower half of the boiler supporting frame of the heating system according to the present invention having the expansion tank arranged in its front portion in a first embodiment;
  • Fig. 3 is a perspective view similar to that of Fig. 2 in a second and preferred embodiment of the present invention having the expansion tank arranged in its front portion and rotated in order to permit the accessibility to the boiler components arranged therebehind.
  • Fig. 4 is a perspective view similar to Fig. 3 but with the expansion tank locked in the position of normal use.
  • Referring to Fig. 1 of the drawings, there is shown a conventional supporting frame for gas-fired wall boilers, in which the expansion tank, generally designated by V, is mounted in the rear portion of the frame T. As can be easily understood, the removal of the expansion tank V when the boiler has been already installed on the wall is rather difficult because it is necessary to unscrew the screws F fastening it to the upper portion of the frame T, operation per se already relatively difficult to be made, and remove it from the location in which it is housed by raising it in the direction of the arrow A.
  • Referring now to Figs 2, 3 and 4 of the drawings, there is shown the lower half of a supporting frame for gas-fired wall boilers generally designated by 10. This supporting frame 10 is comprised of a pair of parallel uprights 11 and 12 which are connected to each other by means of one or more transverse elements 13 adapted to impart to the supporting frame the necessary stiffness and to support some components of the boiler.
  • In a first embodiment shown in Fig. 2, the uprights 11 is provided at its lower end with a bracket 14 and a bottom plate 15 which is intended to form the bottom of the boiler body and the support for components of the boiler. The expansion tank 17 of the boiler is arranged before the frame 10 and is pivotally connected to the free end of the bracket 14 by means of a rod 18 fastened thereto. This arrangement permits the expansion tank to be rotated about a vertical axis (rod 18) between two end positions, namely between the position of normal use and a position rotated with respect to the first one of an angle which permits the boiler components arranged in the space S behind the expansion tank, for example the electrical control unit CE, to be easily accessible.
  • In the preferred embodiment of the invention, shown in Figs 3 and 4 both the uprights 11 and 12 are provided at their lower ends with brackets 14, referred to as lower brackets. On the lower brackets 14 the bottom plate 15 is mounted.
  • Connected to the upright 11 and positioned above the lower brackets 14 is a third bracket 16, referred to as upper bracket, which has substantially the same length of the lower brackets 14.
  • The expansion tank of the boiler is designated by 17. This expansion tank 17 is arranged before the frame 10 and is pivotally connected by means of hinges 18 and 19 to the free ends of the lower bracket 14 and the corresponding upper bracket 16, respectively. This arrangement permits the expansion tank to be rotated about a vertical axis between two end positions, namely between a first position which is that of normal use shown in Fig. 4, and a second position rotated with respect to the first one of an angle, preferably greater than 180°, shown in Fig. 3, which permits the boiler components arranged in the space S behind the expansion tank, for example the electrical control unit CE, to be easily accessible.
  • In order to lock the expansion tank 17 in its position of normal use during the operation of the boiler, conventional fastening means are provided, which, in Figs. 2 and 4, are represented by a screw 20 fastening the lower horizontal side of the expansion tank 17 to the bottom plate 15.
  • This particular arrangement of the expansion tank clearly has some advantages.
  • First at all, the expansion tank 17 of the boiler is directly accessible because it is arranged before the supporting frame 10 in its lower half behind the boiler cover and is pivotally connected to one of its sides,thus allowing also the other components of the boiler to be easily accessed.
  • Secondly, the expansion tank 17 can be easily removed when maintenance is required. As a matter of fact, it is sufficient to unscrew the screw 20 locking it to the bottom plate 15 and remove the hinging pins 18 and 19 from the ends of the lower bracket 14 and the upper bracket 16 by bending sligtly upwards the upper bracket 16.
  • Finally, with the expansion tank 17 arranged before the boiler supporting frame 10 a greater reduction of the overall dimensions of the boiler is obtained. Of course, this aids the easy of transport and installation of the boiler and increases the use possibilities.

Claims (3)

  1. A heating system comprising a wall-mounted supporting frame (10) formed of a pair of parallel spaced-apart uprights (11,12) connected to each other by a transverse element (13), a boiler and an expansion tank (17), characterised in that the supporting frame (10) is provided at its lower portion with at least a bracket (14) extending perpendicular to the wall-mounted supporting frame (10) and having at its free end hinging means (18) for pivotally supporting the expansion tank (17) in a spaced-apart relationship with respect to the wall-mounted supporting frame (10), so that the expansion tank (17) is arranged in the portion of the heating system facing away the wall to which the supporting frame (10) is mounted for an easy access thereof and can be pivoted about said hinging means (18) between an operative position and a servicing position in order to permit an easy access to the heating system components.
  2. A heating system according to claim 1, characterised in that the supporting frame (10) is provided at its lower portion with two brackets (14,16), the first of which (14) is connected to the lower end of one of the uprights (11, 12) of the supporting frame (10), whereas the second (16) is connected to the same upright (11, 12), but above the first bracket (14).
  3. A heating system according to claim 1, characterised in that a bottom plate (15) is connected to the bracket (14) and is provided with removable fastening means (20) for fixing the expansion tank (17) in the operative position.
EP98111477A 1997-07-29 1998-06-20 Heating system with improved supporting frame and expansion tank arrangement Expired - Lifetime EP0895034B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1997MI000577U IT237832Y1 (en) 1997-07-29 1997-07-29 CHASSIS-EXPANSION TANK GROUP IMPROVED OF A GAS WALL-MOUNTED BOILER
ITMI970577U 1997-07-29

Publications (2)

Publication Number Publication Date
EP0895034A1 EP0895034A1 (en) 1999-02-03
EP0895034B1 true EP0895034B1 (en) 2001-12-12

Family

ID=11376433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98111477A Expired - Lifetime EP0895034B1 (en) 1997-07-29 1998-06-20 Heating system with improved supporting frame and expansion tank arrangement

Country Status (5)

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EP (1) EP0895034B1 (en)
AT (1) ATE210806T1 (en)
DE (1) DE69802875T2 (en)
ES (1) ES2169461T3 (en)
IT (1) IT237832Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3650759A1 (en) 2018-11-09 2020-05-13 Vaillant GmbH Expansion vessel mounting assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10057943B4 (en) * 2000-11-22 2007-10-11 Wolf Gmbh Gas boiler or gas condensing boiler
ITAN20120125A1 (en) * 2012-10-03 2014-04-04 Ariston Thermo Spa EXPANSION TANK FOR THERMOSANITARY APPLIANCES
DE102019001531A1 (en) * 2019-03-07 2020-09-10 Stiebel Eltron Gmbh & Co. Kg Heat pump device and control system for membrane expansion vessels

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402851B (en) * 1994-05-24 1997-09-25 Vaillant Gmbh FASTENING DEVICE FOR AN EXPANSION VESSEL WITHIN A HOUSING FOR HEATING SYSTEMS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3650759A1 (en) 2018-11-09 2020-05-13 Vaillant GmbH Expansion vessel mounting assembly

Also Published As

Publication number Publication date
ITMI970577U1 (en) 1999-01-29
ES2169461T3 (en) 2002-07-01
EP0895034A1 (en) 1999-02-03
IT237832Y1 (en) 2000-09-29
DE69802875D1 (en) 2002-01-24
DE69802875T2 (en) 2002-08-01
ATE210806T1 (en) 2001-12-15

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