EP0294336A2 - Chapeau de cheminée - Google Patents

Chapeau de cheminée Download PDF

Info

Publication number: EP0294336A2
Authority: EP; European Patent Office
Prior art keywords: flow; cap according; chimney cap; jacket; opening
Prior art date: 1987-06-03
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.): Granted

Application number

EP88810363A

Other languages

German (de)

English (en)

Other versions

EP0294336B1 (fr

EP0294336A3 (en

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.)

1987-06-03

Filing date

1988-06-03

Publication date

1988-12-07

1988-06-03 Application filed by Basten Maria Sibylle filed Critical Basten Maria Sibylle

1988-06-03 Priority to AT88810363T priority Critical patent/ATE59456T1/de

1988-12-07 Publication of EP0294336A2 publication Critical patent/EP0294336A2/fr

1989-04-05 Publication of EP0294336A3 publication Critical patent/EP0294336A3/de

1990-12-27 Application granted granted Critical

1990-12-27 Publication of EP0294336B1 publication Critical patent/EP0294336B1/fr

2008-06-03 Anticipated expiration legal-status Critical

Status 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 pyramid-frustum and coaxially with the latter, which projects above the pipe socket, and an outer casing arranged coaxially with the latter and projecting upward from the inner casing and distanced from it to form an annular chamber.
a chimney cap with a pipe socket, an inner casing arranged at least approximately pyramid-frustum and coaxially with the latter, which projects above the pipe socket, and an outer casing arranged coaxially with the latter and projecting upward from the inner casing and distanced from it to form an annular chamber.
which has at least 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 throughflow 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.
first flow deflection elements are assigned to these throughflow openings for deflecting a flow entering through them into a plane in the interior of the outer jacket that is at least approximately parallel to the opening plane and whose end face facing the assigned throughflow opening corresponds at least approximately to the throughflow cross section of the respective assigned throughflow opening or is larger, and for the deflection of 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 inward from it and assigned to the individual throughflow openings, second flow deflecting elements are provided .
the surfaces forming the inner jacket are each provided with at least one throughflow opening, with these throughflow openings for deflecting a flow entering through them into a plane at least approximately parallel to this opening plane in the interior of the inner jacket extending first flow deflection elements , 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, from this inwardly projecting second flow deflection elements associated with the individual flow 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, which run along the corner edges formed between the side surfaces of the inner and 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 cap 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 shell, the height h of which increases towards the top.
the angle of inclination ⁇ 1 and ⁇ 2 of the side surfaces of the inner and outer shells 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 through-openings 18 and 18 ' provided in the inner and outer casing 2 and 4' for deflecting a wind flow 19 entering through them into an at least 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 to form the second flow deflecting elements along the between its side surfaces 4 s formed corner edges extending into the interior of the inner or outer shell 2 or 4 ribs 10 are provided. 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 a second embodiment is shown with an outer jacket 4 ', the horizontal cross section of which has the shape of a regular prism.
an upwardly projecting, coaxially arranged to the longitudinal axis 12 of the attachment and extending along this cylindrical flow guide part 15 is provided, the lower one 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 H I 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.
ribs 10 are provided. 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 a second embodiment is shown with an outer jacket 4 ', the horizontal cross section of which has the shape of a regular prism.
an upwardly projecting, coaxially arranged to the longitudinal axis 12 of the attachment and extending along this cylindrical flow guide part 15 is provided, the lower one 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 H I 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)
Cylinder Crankcases Of Internal Combustion Engines (AREA)
Chimneys And Flues (AREA)
Cyclones (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

EP88810363A 1987-06-03 1988-06-03 Chapeau de cheminée Expired - Lifetime EP0294336B1 (fr)

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 (fr)	1987-06-03	1987-06-03

Publications (3)

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

Family

ID=4225943

Family Applications (1)

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

Country Status (4)

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

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

1987
- 1987-06-03 CH CH2103/87A patent/CH674047A5/de not_active IP Right Cessation
1988
- 1988-06-03 EP EP88810363A patent/EP0294336B1/fr not_active Expired - Lifetime
- 1988-06-03 DE DE8888810363T patent/DE3861428D1/de not_active Expired - Fee Related
- 1988-06-03 AT AT88810363T patent/ATE59456T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0294336B1 (fr)	1990-12-27
ATE59456T1 (de)	1991-01-15
CH674047A5 (fr)	1990-04-30
EP0294336A3 (en)	1989-04-05
DE3861428D1 (de)	1991-02-07

Legal Events

Date	Code	Title	Description
1988-10-22	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-12-07	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE DE FR GB LU NL SE
1989-02-14	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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1989-11-23	17P	Request for examination filed	Effective date: 19890926
1990-04-11	17Q	First examination report despatched	Effective date: 19900222
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1991-05-17	EN	Fr: translation not filed
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1991-10-31	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1991-10-31	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1991-12-18	26N	No opposition filed
1993-03-19	ET	Fr: translation filed
1993-05-07	REG	Reference to a national code	Ref country code: FR Ref legal event code: BR
1993-09-21	EPTA	Lu: last paid annual fee
1994-06-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19940630 Year of fee payment: 7
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1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 88810363.7
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1995-12-31	BERE	Be: lapsed	Owner name: BASTEN MARIA SIBYLLE Effective date: 19950630
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1998-06-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980603
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