EP0294336B1 - Schornsteinaufsatz - Google Patents

Schornsteinaufsatz Download PDF

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Publication number
EP0294336B1
EP0294336B1 EP88810363A EP88810363A EP0294336B1 EP 0294336 B1 EP0294336 B1 EP 0294336B1 EP 88810363 A EP88810363 A EP 88810363A EP 88810363 A EP88810363 A EP 88810363A EP 0294336 B1 EP0294336 B1 EP 0294336B1
Authority
EP
European Patent Office
Prior art keywords
flow
outer casing
opening
casing
chimney
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
EP88810363A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0294336A3 (en
EP0294336A2 (de
Inventor
Gert Basten
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.)
Basten Maria Sibylle
Original Assignee
Basten Maria Sibylle
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 Basten Maria Sibylle filed Critical Basten Maria Sibylle
Priority to AT88810363T priority Critical patent/ATE59456T1/de
Publication of EP0294336A2 publication Critical patent/EP0294336A2/de
Publication of EP0294336A3 publication Critical patent/EP0294336A3/de
Application granted granted Critical
Publication of EP0294336B1 publication Critical patent/EP0294336B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a chimney cap with a pipe socket, an inner casing arranged at least approximately in the shape of a truncated pyramid and projecting upwards above the pipe socket, and an outer casing arranged coaxially with the latter and projecting upward from the inner casing and distanced from it with the formation of an annular chamber has approximately the shape of the outer surface of a regular prism or a truncated pyramid, at least some of the surfaces forming the outer surface being provided with at least one flow opening each.
  • the object of the present invention is, in particular, to create a chimney cap with the aid of which a noticeable improvement in keeping the pressure conditions in a chimney constant can be achieved even with the most extreme wind speeds and / or wind incidence directions.
  • a chimney cap of the type mentioned at the outset by associating these flow-through openings for deflecting a flow entering through them into a plane at least approximately parallel to the opening plane in the interior of the outer jacket, the end face of which facing the assigned flow-through opening is at least approximated corresponds to or is greater than the flow cross-section of the respective assigned flow opening, and that in order to deflect a flow entering through such a flow opening and then flowing directly along the inside of the outer casing towards the inside of the outer casing, on the inside of the outer casing projecting inwards away therefrom second flow deflection elements assigned to the individual flow openings are provided.
  • the surfaces forming the inner jacket are each provided with at least one flow opening, these flow openings being assigned to deflect a flow entering through them into a first flow deflection elements running inside the inner jacket and at least approximately parallel to this opening plane , whose end face facing the assigned throughflow opening corresponds at least approximately to or is greater than the throughflow cross section of the respective assigned throughflow opening, and that in order to deflect a flow that enters through such a throughflow opening and then flows directly along the inside of the inside jacket against the inside of the inside jacket, on the inside of the inner jacket, second flow deflection elements projecting inward from it and assigned to the individual throughflow openings are provided.
  • the first flow deflecting elements are designed as flaps which are increasingly open inwards and upwards at an angle with respect to the respective lateral surface, and this angle is preferably in a range from 15 to 35 ° .
  • the inner and / or the outer jacket for forming the second flow deflection elements is provided with ribs running along the corner edges formed between its side surfaces and directed into the interior of the inner or outer jacket, the height of which preferably increases towards the top, whereby it is expedient if the ribs are formed by inner beads, preferably at least 4 mm wide, running along the corner edges formed between the side surfaces of the inner or outer jacket.
  • the upper outlet opening of the inner jacket is at least approximately the same area as the cross section of the pipe socket.
  • the chimney attachment shown therein is provided with a pipe socket 1 to be inserted into the chimney outlet mouth, a truncated pyramid-shaped inner jacket 2, which projects above the pipe socket 1, and a coaxially arranged with the latter Inner jacket 2 protruding upward and provided by this outer jacket 4 to form an annular chamber 3 open at the bottom and top.
  • the outlet opening 6 of the inner casing 2 is approximately the same area as the flow cross-section of the pipe socket 1.
  • the lower edge 7 of the outer casing 4 is higher than the lower edge 8 of the inner casing 2, and the height H A of the outer casing 4 is greater than the height H I of the inner casing 4.
  • the inner and outer shells 2 and 4 have the shape of the shell of a truncated pyramid with eight flat side surfaces.
  • the inner and outer shells 2 and 4 are provided with inner beads 9 which run along the corner edges formed between its side faces 4 s (see FIGS. 2 and 3) and which at the same time form flow guide ribs 10 or 4 directed into the interior of the inner or outer casing 2, the height h of which increases towards the top.
  • the angle of inclination CX1 or ⁇ of the side surfaces of the inner and outer sheaths 2 and 4 are approximately the same size, the side edges of the inner and outer shells lying on corresponding diameter planes d.
  • the pipe socket 1 is connected to a cover and support plate 11 which is intended to rest on the chimney crown and which extends in a plane running perpendicular to the longitudinal axis 12 of the attachment.
  • the lower edge 8 of the inner jacket 2 extends down to just above the top of the cover and support plate 11.
  • the pipe socket 1 and the cover and support plate 11 are preferably made of a copper alloy and are connected to one another with good thermal conductivity. Furthermore, the pipe socket 1 is provided with thermal insulation 13 on its outside over its length extending above the cover and support plate 11.
  • the cover and support plate 11 is indirectly heated by the flue gas flowing through the pipe socket 1, so that any condensate dripping down from the inner jacket 2 onto the cover and support plate 11 is evaporated there.
  • the throughflow openings 18 and 18 'provided in the inner and outer sheaths 2 and 4 are deflected to deflect a wind flow 19 entering through them into at least one Approximately to the opening plane 4 s parallel plane in the interior of the inner or outer jacket 2 or 4 extending first flow deflection means are assigned, which are designed as flaps 20 which are increasingly open towards the inside and upwards at an angle ⁇ with respect to the respective jacket surface.
  • the inner and outer shells 2 and 4 are provided with ribs 10 which run along the corner edges formed between its side surfaces 4s and are directed into the interior of the inner and outer shells 2 and 4, respectively.
  • These ribs 10, as can be seen in particular from FIG. 3, are formed by inner beads 9 running along the corner edges of the lateral surfaces.
  • FIG. 4 shows a second exemplary embodiment with an outer jacket 4 ', the horizontal cross section of which has the shape of a regular prism.
  • a cylindrical flow guide part 15 the lower one of which extends above and is arranged coaxially to the longitudinal axis 12 of the attachment and extends along this, is provided inside the upper part of the outer casing 4 ' Inlet opening 16 is flanged to the outside and, seen in the axial direction of the attachment, projects above the upper outlet opening 6 of the inner jacket 2, so that liquid on the outside of the flow guiding part 15 drips onto the outside of the inner jacket 2 and thus does not get into the interior of the chimney.
  • the flow guide tube 15 could also have the shape of a truncated cone shell which widens downward or some other suitable shape.
  • the radius of the inner circle of the base surface 17 of the inner shell 2 should preferably be 1.45 to 1.55 times as large as the radius of the inner circle of the top surface 6 of the inner shell.
  • the diameter of the inner circle of the base surface 17 of the inner shell 2 is, for example, 27 cm and the diameter of the inner circle of the top surface 6 of the inner shell 2 is, for example, 19.5 cm, that is to say the same as the diameter of the pipe socket 1, which is also 19.5 cm.
  • the height Hi of the inner jacket 2 is 17 cm.
  • the diameter of the cylindrical part of the flow guiding part 15 is also 19.5 cm, which means that this diameter is also identical to that of the pipe socket 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Cyclones (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Chimneys And Flues (AREA)
EP88810363A 1987-06-03 1988-06-03 Schornsteinaufsatz Expired - Lifetime EP0294336B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88810363T ATE59456T1 (de) 1987-06-03 1988-06-03 Schornsteinaufsatz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2103/87 1987-06-03
CH2103/87A CH674047A5 (enrdf_load_stackoverflow) 1987-06-03 1987-06-03

Publications (3)

Publication Number Publication Date
EP0294336A2 EP0294336A2 (de) 1988-12-07
EP0294336A3 EP0294336A3 (en) 1989-04-05
EP0294336B1 true EP0294336B1 (de) 1990-12-27

Family

ID=4225943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88810363A Expired - Lifetime EP0294336B1 (de) 1987-06-03 1988-06-03 Schornsteinaufsatz

Country Status (4)

Country Link
EP (1) EP0294336B1 (enrdf_load_stackoverflow)
AT (1) ATE59456T1 (enrdf_load_stackoverflow)
CH (1) CH674047A5 (enrdf_load_stackoverflow)
DE (1) DE3861428D1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4447143A1 (de) * 1994-12-29 1996-07-11 Manfred Ruhland Abgaskamin mit einem Mantelrohrstück

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE28587C (de) * L. PlTSCH, Königlicher Kreis-Bau-Inspektor in Montjoie Windschutz- und Ventilationsapparat
GB191312719A (en) * 1913-05-31 1914-03-26 William Cairns Improvements in or relating to Chimney and Ventilating Shaft Tops.
US1406321A (en) * 1914-09-14 1922-02-14 Harmon J Yeldham Ventilator
CH615495A5 (en) * 1977-08-05 1980-01-31 Paul Henriod Chimney cowl
DE3237216C2 (de) * 1982-10-07 1986-09-25 Inventina AG, Landquart Schornsteinaufsatz für Zentralheizungsanlagen mit Zerstäubungsbrennern
DE8511683U1 (de) * 1985-04-19 1985-07-04 Live GmbH, 5401 St Goar Schornsteinaufsatz

Also Published As

Publication number Publication date
DE3861428D1 (de) 1991-02-07
EP0294336A3 (en) 1989-04-05
EP0294336A2 (de) 1988-12-07
ATE59456T1 (de) 1991-01-15
CH674047A5 (enrdf_load_stackoverflow) 1990-04-30

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