EP1161897A1 - Guichet pour restaurants et un procédé pour son utilisation - Google Patents

Guichet pour restaurants et un procédé pour son utilisation Download PDF

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Publication number
EP1161897A1
EP1161897A1 EP01660107A EP01660107A EP1161897A1 EP 1161897 A1 EP1161897 A1 EP 1161897A1 EP 01660107 A EP01660107 A EP 01660107A EP 01660107 A EP01660107 A EP 01660107A EP 1161897 A1 EP1161897 A1 EP 1161897A1
Authority
EP
European Patent Office
Prior art keywords
air
counter
nozzle
restaurant service
duct
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.)
Granted
Application number
EP01660107A
Other languages
German (de)
English (en)
Other versions
EP1161897B1 (fr
Inventor
Taavi Rautiainen
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.)
Finnfuture Oy
Original Assignee
Finnfuture Oy
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 Finnfuture Oy filed Critical Finnfuture Oy
Publication of EP1161897A1 publication Critical patent/EP1161897A1/fr
Application granted granted Critical
Publication of EP1161897B1 publication Critical patent/EP1161897B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F9/00—Shop, bar, bank or like counters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
    • F24F8/97—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes for removing tobacco smoke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00—Use of air currents for screening, e.g. air curtains

Definitions

  • the invention relates to a restaurant service counter, such as a bar counter.
  • the invention also relates to a method in connection with a restaurant service counter.
  • an air nozzle is arranged on the worker's side of the counter in particular, wherein the customer does not experience a feeling of draught.
  • Fresh air that will be blown upwards is taken from the free smokeless air space of the restaurant, for example under the counter.
  • An exhaust duct is connected to the air-discharge system of the restaurant. The blast air is capable of taking along secondary air both from the staff's side and from the customers' side.
  • the air nozzle is directed diagonally above the counter.
  • the air blast takes place in an area where it cannot be noticed easily.
  • the method according to the invention is primarily characterized in what will be presented in the characterizing part of the appended claim 9.
  • An air curtain of is blown upwards from the rear edge of the counter and it is extracted by means of local exhaust ventilation as exhaust air.
  • exhaust air When the clean air of the room is used as fresh blast air and the air blown upwards is extracted with the exhaust air of the room, problems of closed circulation of air do not occur.
  • the blast exits from the rear edge of the counter the above-described advantages are attained.
  • an air duct is arranged in parallel with the edge, one side of the air duct being equipped with a horizontal air nozzle 2 by means of adjacent nozzle openings.
  • the nozzle structure can also be composed of a continuous longitudinal nozzle opening (nozzle slot) or adjacent slots.
  • the nozzle structure is attained by perforating the wall of the pipe forming the air duct with a suitable spacing in such a manner that when the holes are formed, collars extending outwards are produced therein.
  • the air nozzle 2 (openings) are directed in such a manner that air is directed diagonally upwards towards the front edge (arrow P).
  • the air current is primarily directed to an area not attended, and the customers and workers do not experience the feeling of draught.
  • the air duct is partly built in below the table level so that only the wall containing the nozzle is visible therefrom, and thus it can be made to look like an elevated rear edge of the counter.
  • the wall of the air duct in which the nozzle is located is arranged in an inclined position rising from the plane of the counter 1.
  • the air duct in the wall of which the opening/openings are located is a pipe-like structure located against the rear edge of the table top of the restaurant service counter and shown in cross-section on a larger scale in Fig. 3.
  • the produced air curtain is directed towards the upper bracket, i.e. a shelf 4, located above the table level of the counter 1, and the air current and the smoke entrained therein, coming from the customer's side with the secondary air (arrow S1) ends up in a horizontal exhaust duct 3 extending on top of the shelf 4 and located closer to the customer's side, i.e. the front side, when seen from the rear edge of the counter.
  • the exhaust duct 3 can contain a sufficient amount of discharge openings, i.e. the discharge openings form a local exhaust ventilation area substantially parallel to the air curtain.
  • the exhaust duct 3 is connected to the air discharge system of the restaurant, i.e. it can lead to the exhaust air unit belonging to the general ventilation of the restaurant.
  • the supply air ducting bringing fresh supply air, i.e. a diffuser of supply air, and secondary air (arrow S2), entrained by the air curtain from the fresh supply air coming from said inlet, enters the exhaust duct 3.
  • fresh supply air i.e. a diffuser of supply air
  • secondary air arrow S2
  • the air intake point of the air nozzle 2 is located behind the front panel of the counter, i.e. it is isolated from the customer premises and at the same time located on the inlet side of fresh air.
  • the air intake of the nozzle and the air exhaust of the nozzle are connected to the general ventilation system of the restaurant room, the air intake to the supply air of this general ventilation and the exhaust to the exhaust air of the general ventilation, and a closed circulation is not necessary.
  • the blast air intake point for the nozzle is also clearly separated from the area (customers' side) in which the emission (especially tobacco smoke) is produced that is to be isolated and extracted by the air curtain P.
  • Fig. 1 also shows the alternative that the exhaust duct 3 is brought to the blasting area of the nozzle from the ceiling, for example as a pipe branching from an exhaust air duct belonging to the general ventilation of the room and located on the ceiling.
  • the air intake point is located in the blasting area of the nozzle, towards the customers' side from the rear edge of the counter.
  • the air coming from the air nozzle 2 and the secondary air entrained therein are discharged as local exhaust ventilation in this alternative as well.
  • Fig. 2 shows the location and air intake of the air nozzle 2 when seen from behind the counter.
  • an inlet duct 6 of blast air is coupled, said inlet duct containing a control damper 7 and possibly a filter in its intake end.
  • the inlet duct 6 contains a blower 8 (for example with a thyristor control) and on both sides of the same silencers, i.e. sound traps 9.
  • the intake end can also be located elsewhere than underneath the counter and behind the front panel of the same, in such a point, however, that it is connected to the fresh air coming from the general ventilation of the room.
  • air curtain refers either to a curtain extending continuously in the lateral direction of the counter, or to several adjacent air cones (coming from separate nozzle openings) together producing an isolating and secondary air guiding effect similar to that produced by an air curtain.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Eye Examination Apparatus (AREA)
  • Dry Shavers And Clippers (AREA)
  • Ventilation (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Tents Or Canopies (AREA)
EP01660107A 2000-06-06 2001-06-06 Guichet pour restaurants et un procédé pour son utilisation Expired - Lifetime EP1161897B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20000234U FI4611U1 (fi) 2000-06-06 2000-06-06 Ravintolapalvelutiski
FI20000234U 2000-06-06

Publications (2)

Publication Number Publication Date
EP1161897A1 true EP1161897A1 (fr) 2001-12-12
EP1161897B1 EP1161897B1 (fr) 2004-03-10

Family

ID=8557343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01660107A Expired - Lifetime EP1161897B1 (fr) 2000-06-06 2001-06-06 Guichet pour restaurants et un procédé pour son utilisation

Country Status (4)

Country Link
EP (1) EP1161897B1 (fr)
AT (1) ATE261258T1 (fr)
DE (1) DE60102260D1 (fr)
FI (1) FI4611U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018575A3 (fr) * 2008-09-18 2011-04-05 Damseaux Philippe Rideau d'air a recuperation de calories.
ES2947988A1 (es) * 2022-02-09 2023-08-25 Univ Valladolid Dispositivo de proteccion contra el contagio de virus en mesas compartidas

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116294011A (zh) * 2023-03-06 2023-06-23 武汉奇亚环境科技有限公司 一种高铁站候车厅用超节能多用途通风降温设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572120A (en) * 1949-10-14 1951-10-23 Ned May Ventilated table
US3893457A (en) * 1971-06-17 1975-07-08 Pielkenrood Vinitex Bv Germ-free operating table
WO1985004240A1 (fr) * 1984-03-12 1985-09-26 Foster Leo J Systeme portatif permettant de produire un espace d'air propre
GB2180054A (en) * 1985-09-05 1987-03-18 John Walter Holway Air curtains for cleaning polluted air
US5417433A (en) * 1994-07-25 1995-05-23 Phillips; Donald A. Ventilated gaming table assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572120A (en) * 1949-10-14 1951-10-23 Ned May Ventilated table
US3893457A (en) * 1971-06-17 1975-07-08 Pielkenrood Vinitex Bv Germ-free operating table
WO1985004240A1 (fr) * 1984-03-12 1985-09-26 Foster Leo J Systeme portatif permettant de produire un espace d'air propre
GB2180054A (en) * 1985-09-05 1987-03-18 John Walter Holway Air curtains for cleaning polluted air
US5417433A (en) * 1994-07-25 1995-05-23 Phillips; Donald A. Ventilated gaming table assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018575A3 (fr) * 2008-09-18 2011-04-05 Damseaux Philippe Rideau d'air a recuperation de calories.
ES2947988A1 (es) * 2022-02-09 2023-08-25 Univ Valladolid Dispositivo de proteccion contra el contagio de virus en mesas compartidas

Also Published As

Publication number Publication date
DE60102260D1 (de) 2004-04-15
FI4611U1 (fi) 2000-09-11
FIU20000234U0 (fi) 2000-06-06
EP1161897B1 (fr) 2004-03-10
ATE261258T1 (de) 2004-03-15

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