Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
  • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
  • A47B2200/00—General construction of tables or desks
  • A47B2200/06—Desks with inlet and evacuation of air

Definitions

• the invention relates to nozzle equipment, in particular for producing a carrier air jet and/or a curtain jet in connection with a table.
• curtain jet/carrier air jet wherein the carrier air jet is directed from below upwards, for example, in connection with a table, the purpose of the jet being to carry impurities away into an exhaust located above and, in addition, to isolate, for example, spaces of different temperatures from each other, as is the case with curtain nozzle equipment in connection with display cases in shops.
• Curtain jet devices have thus been used, for example, in connection with shop display cases.
• carrier air/curtain jet air is used to transport tobacco smoke away from the bar counter, in which connection the purpose of the air jet is to protect the employee from the tobacco smoke.
• carrier air jets have been used in connection with hoods, in which case the purpose of the carrier air jet is to bring about efficient removal of impurities from the upper space of the hood and to promote the flow into the hood.
• Air jet devices have also been used in connection with gambling tables, the air jet being used to remove tobacco smoke from near the gambling table and also to bring about a protecting curtain for generally preventing tobacco smoke from spreading from the customer space to the working space.
• This patent application proposes an improvement in particular in the use of nozzle equipment bringing about carrier air/curtain air and disposed in connection with tables, in which case the table may be, for example, a worktable of a fume chamber, a bar counter, a gambling table etc.
• the table may be, for example, a worktable of a fume chamber, a bar counter, a gambling table etc.
• impurities such as liquids
• this patent application proposes using nozzle equipment which can be opened and which includes a space for collecting impurities, such as liquid, which space can be cleaned.
• This patent application proposes using equipment comprising a detachable nozzle body as the equipment producing a curtain/carrier air jet, in which connection, by detaching the nozzle body together with its nozzles, the space collecting impurities can be reached from above the worktable or from the side thereof, which space can then be cleaned, for example, by the cleaning person at the end of working hours. At the same time, the detached nozzle equipment can be cleaned on the inside.
• the nozzle equipment in accordance with the invention is particularly suitable for use in connection with bar counters to produce a curtain jet between the working space of the bar counter and the customer space, thereby preventing impurities, such as tobacco smoke, from spreading to the working space.
• the equipment in accordance with the invention is also suitable for use in fume chambers to produce a curtain jet in connection with laboratory tables for carrying away impurities, spills, etc.
• the invention is suitable for use in connection with exhaust air devices by which cigarette smoke is generally injected away from an occupied zone.
• the nozzle equipment in accordance with the invention comprises a body which can be dismantled so that a chamber provided inside the nozzle equipment for the purpose of collecting impurities maybe cleaned. This can take place so that a wall in connection with the collecting chamber can be removed over the entire length of the nozzle equipment and the collecting chamber can thus be reached.
• the invention may also encompass an embodiment in which the nozzle body itself with its nozzles can be detached from the collecting chamber.
• Figure 1A shows nozzle equipment in accordance with the invention in connection with a table of a fume chamber.
• Figure IB shows nozzle equipment in accordance with the invention in connection with a bar counter.
• Figure 2A is an axonometric sectional view of a first advantageous embodiment of the invention, wherein the nozzle equipment comprises a space collecting impurities and including a separate drain.
• the end walls of the housing structure have been left out of the illustration to show the internal components of the structure.
• Figure 2B illustrates detachment of the nozzle body and cleaning of the equipment.
• Figure 3 is an axonometric sectional view of nozzle equipment which can be attached to the side of a table and which can also be dismantled by detaching one body half of the nozzle, whereby the space collecting impurities is available and can be cleaned.
• the end walls of the housing structure have been left out of the illustration to show the internal components of the structure.
• Fig. 1A shows nozzle equipment 10 in accordance with the invention bringing about an air flow ⁇ in connection with a table 11 of a fume chamber.
• An elongated slot nozzle 12 is disposed at a location D 2 in the rear part of the table 11 to produce a carrier air jet/curtain jet L ⁇ in a hood H, which is located above in the fume chamber and includes an exhaust duct h.
• the dashed lines Di indicate an alternative location for the nozzle equipment 10 in the worktable 11.
• Fig. IB is a side view of nozzle equipment in accordance with the invention disposed in connection with a ' table 11, which is here a bar counter.
• An air jet Li is used to guide impurities, such as tobacco smoke, away from near the table 11 into a hood H and an exhaust duct h located above. At the same time, the employee working at the bar counter is protected from tobacco smoke.
• the nozzle equipment 10 in accordance with the invention may be disposed in different arrangements in connection with tables 11 and in different table applications.
• An elongated slot nozzle preferably extending over the entire length of the bar counter is advantageously used as the nozzle in the nozzle equipment.
• Fig. 2A shows a first advantageous embodiment of the invention, wherein a body 200 of nozzle equipment 10 is disposed in connection with a table 11 in a gap TJ between table-top parts Hat or 11 a 2 or in an elongated groove made in the table.
• the nozzle equipment 10 includes a slot nozzle 12 formed by plate parts 12' attached to a round part 12" which is articulated to turn in a round cradle 12'".
• the nozzle 12 can be turned in a manner known in itself into different control positions in order to direct an air jet in desired directions.
• the nozzle extends over the entire length of the table, such as a bar counter.
• the body of a collecting chamber 30 of an openable space 120 for collecting impurities is designated by reference numeral 300.
• the nozzle 12 is disposed with its turning bearings in a nozzle body 120 and the entire structure is detachably attached as one entity to the chamber 13 collecting impurities, such as liquid, by means of a quick-release fastening means 100.
• the impurities collecting chamber 13 includes an air supply chamber 14 as the supply duct.
• the nozzle equipment 10 can be opened at its body 200 over the entire length of the collecting space 130 and the collecting chamber 13 so that the chamber 13 collecting impurities, such as liquids, in its impurities collecting space 130 may be cleaned.
• the collecting chamber 130 can be opened over the entire length thereof from the side of the elongated equipment 10 for the purpose of cleaning.
• the impurities collecting chamber 13 comprises the collecting space 130 proper for impurities, such as liquid, below the air supply chamber 14.
• impurities such as liquid
• the space 130 located below includes a drainage duct 17 comprising a shut-off valve 18 for the collected liquid.
• the duct 17 is connected, for example, to the general drainage of the bar counter.
• the supply air chamber 14 is an elongated slot-like part, which is connected at the side to the impurities collecting chamber 13.
• An air supply duct 15 is connected to the supply chamber 14.
• the supply air chamber 14 is an elongated slot-like chamber part and it extends over the length of the table 11.
• a fan, a pump or the like is advantageously associated with the supply duct 15 for producing an air flow or said device can be located in the air duct to which the supply duct 15 is connected.
• the air Li blown from the nozzle 12 serves as protective air which carries impurity air and tobacco smoke with it into an air exhaust duct.
• the nozzle body 120 is detachably attached to the body of the impurities collecting chamber 13 by quick-release fastening means 100; 120b ⁇ , 120b 2 , 19a ⁇ , 19a 2 ; Ri.
• Fig. 2B shows cleaning of the impurities collecting space 13 as indicated by the arrow E .
• the nozzle body 120 is detached (as shown by the arrow Ei) in such a way that the ridges 120b ⁇ and 120b 2 located on its side surfaces 120a ⁇ and 120a 2 are detached from the grooves 19a ⁇ and 19a 2 of the same cross-sectional shape located on the sides of the impurities collecting chamber 13.
• the nozzle body 120 by detaching the nozzle body 120, it can be easily cleaned on the inside by the cleaning person after working hours, and in that connection it is also possible to reach the impurities collecting space 130, which can then also be easily cleaned.
• Fig. 3 shows a second embodiment of the equipment in accordance with the invention, wherein a chamber 13 for collecting impurities, such as liquid, is formed by a downwards extending side wall 120b of a body half 120a ⁇ of a nozzle body 120 and by a side wall 120c joining thereto and extending obliquely downwards.
• the body half 120a ⁇ is attached to a lower plate 160 by a folded joint 16.
• An air supply chamber 14 located before the impurities collecting chamber 13 is defined by the lower plate 160 and by an upper plate 140.
• An air duct 15 is connected to the lower plate 160 of the air supply chamber 14 in the region of its front edge.
• the chamber 13 for collecting impurities, such as liquid, includes an impurities collecting space 130 below the point where the air supply chamber 14 joins the chamber 13.
• the nozzle body half 120a ⁇ can be detachably attached to the other nozzle body half 120a 2 by a quick-release fastening means 100.
• the fastening means Ri is preferably a screw.
• a nozzle slot F for a curtain/carrier air jet Li is formed between the upper .edge of the nozzle body part 120a ⁇ and the upper edge of the other nozzle body half 120a 2 located in a fixed position.

Landscapes

• Cleaning By Liquid Or Steam (AREA)
• Cleaning In General (AREA)
• Prevention Of Fouling (AREA)
• Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
• Lead Frames For Integrated Circuits (AREA)
• Crystals, And After-Treatments Of Crystals (AREA)
• Nozzles (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=8560337

Family Applications (1)

Country Status (5)

Cited By (1)

Citations (4)

Family Cites Families (2)

• 2001
  • 2001-02-13 FI FI20010269A patent/FI111989B/fi not_active IP Right Cessation
• 2002
  • 2002-02-07 SE SE0200353A patent/SE522915C2/sv not_active IP Right Cessation
  • 2002-02-12 NO NO20020707A patent/NO319445B1/no not_active IP Right Cessation
  • 2002-02-12 GB GB0203304A patent/GB2373850B/en not_active Expired - Fee Related
  • 2002-02-12 WO PCT/FI2002/000105 patent/WO2002064272A1/en not_active Application Discontinuation

Patent Citations (4)

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