US3677527A - Humidification equipment for gases - Google Patents

Humidification equipment for gases Download PDF

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Publication number
US3677527A
US3677527A US28737A US3677527DA US3677527A US 3677527 A US3677527 A US 3677527A US 28737 A US28737 A US 28737A US 3677527D A US3677527D A US 3677527DA US 3677527 A US3677527 A US 3677527A
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US
United States
Prior art keywords
liquid
gas
gas inlet
diffuser
tank
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
US28737A
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English (en)
Inventor
Dag Olof Alfred Johannisson
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.)
Siemens AG
Original Assignee
AGA AB
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 AGA AB filed Critical AGA AB
Application granted granted Critical
Publication of US3677527A publication Critical patent/US3677527A/en
Assigned to SIEMENS A.G., VBA PA PB, POSTFACH 22 0261, D-8000 MUNICH 22, reassignment SIEMENS A.G., VBA PA PB, POSTFACH 22 0261, D-8000 MUNICH 22, ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: AGA AKTIEBOLAG,
Assigned to SIEMENS A.G. reassignment SIEMENS A.G. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: AGA AKTIEBOLAG
Assigned to AGA AKTIEBOLAG reassignment AGA AKTIEBOLAG RERECORD OF INSTRUMENT RECORDED APRIL 19 83 REEL 417 REAMES 218 TO CORRECT ADDRESS OF ASSIGNEE IN A PREVIOUSLY RECORDED ASSIGMENT Assignors: AGA AKTIEBOLAG
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/65—Vaporizers

Definitions

  • ABSTRACT A humidifier for gas comprising a liquid tank, gas inlet means projecting axially into a liquid introducing means for sucking in of liquid, said liquid introducing means having a larger inside cross-sectional area than said gas inlet means, said gas inlet means and liquid introducing means having a common radial opening through which the gas supplied can be blown out together with the sucked in liquid as a gas jet containing liquid particles, and a difiuser arranged in the tank opposite said common radial opening for the dividing of the liquid particles in said gas jet.
  • the present invention relates to humidification equipment for gases. More particularly, the present invention is directed to a humidifier for gases capable of producing very fine liquid particles of uniform size.
  • Humidification equipment for gases is frequently of the type comprising a tank for the liquid, a first pipe leading into the tank intended for the gas feed, one end of which projects axially into a second pipe intended to suck in the liquid and which has a somewhat larger diameter than the first pipe.
  • the two pipes have a common radial opening through which the gas supplied can be blown out together with the liquid sucked in. In the process liquid particles are formed in the gas jet.
  • humidification equipment comprising a liquid tank, gas inlet means projecting axially into a liquid introducing means for sucking in of liquid, said liquid introducing means having a larger inside cross-sectional area than said gas inlet means, said gas inlet means and liquid introducing means having a common radial opening through which the gas supplied can be blown out together with the sucked in liquid as a gas jet containing liquid particles, and a diffuser arranged in the tank opposite said common radial opening for the dividing of the liquid particles in said gas jet.
  • the apparatus of the invention thus enables the liquid particles to be divided into very fine particles such as into a dust or haze which is fine enough to be suitable for medical uses.
  • the apparatus includes means such as a suction pipe directed into the tank for withdrawing the divided liquid particles.
  • the diffuser is preferable arranged on the liquid withdrawing means and in one embodiment is discshaped with a concave impingement surface for the liquid particles contained in the gas jet.
  • the gas inlet means and the liquid introducing means are advantageously revolvable so that the common opening they possess can be adjusted relative to the diffuser to direct the gas jet thereto tangentially.
  • FIG. 1 is a sectional view of the apparatus of the invention and FIG. 2 is a cross-sectional view of reduced size taken along line ll-ll' of FIG. 1 when the diffuser is non-circular.
  • a tank I is provided with liquid 2. From the cover 3 gas introduction means 4 is inserted into the tank 1 and is communicatably connected by connecting means 5 with integral means generally designated 6 which comprises a liquid introducing conduit 7 having a passageway 8 and a gas inlet portion 9 having a gas inlet passageway 10. Gas inlet portion 9 contains a tip 11 which projects into passageway 8 and is provided with an opening 12 which provides communication between passageway 8 and passageway 10. The inside diameter of liquid introducing conduit 7 is substantially greater than that of gas inlet portion 9. Liquid introducing conduit 7 is provided with an opening 13 in axial alignment with opening 10 of tip 11. Thus, openings 10 and 13 provide a common radial opening through which the gas together with liquid particles is blown out into the tank 1.
  • a diffuser 14 is arranged opposite the axially aligned openings 12 and 13. It has the form of a disc and is mounted on a suction pipe 15 for the humidified gas.
  • the impingement surface of the diffuser disc 14 is concave, which has proved to give a very fine liquid haze.
  • the common opening defined by axially aligned openings 10 and 13 can be adjusted into different positions in respect to the diffuser 14.
  • the gas jet can be directed more or less tangentially a ainst the diffuser so that various sizes of liquid particles can e achieved.
  • Another way of directing the gas jet more or less tangential to the diffuser consists in making the form of the diffuser non-circular. It may be, for example, elliptical as shown in FIG. 2, triangular or a combination thereof or any other suitable form.
  • a humidifier for gas comprising a liquid tank, gas inlet means projecting axially into a liquid introducing means for sucking in of liquid, said liquid introducing means having a larger inside cross-sectional area than said gas inlet means, said gas inlet means and liquid introducing means having a common radial opening through which the gas supplied can be blown out together with the sucked in liquid as a gas jet containing liquid particles, a disc-shaped diffuser for the dividing of the liquid particles in said gas jet, a suction pipe having a conical base directed into the tank for withdrawing the divided liquid particles, said disc-shaped diffuser having a concave impingment surface for the liquid particles and being arranged on said suction pipe in the tank opposite said common radial opening.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air Humidification (AREA)
  • Nozzles (AREA)
US28737A 1969-04-17 1970-04-15 Humidification equipment for gases Expired - Lifetime US3677527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE05404/69A SE347158B (enrdf_load_stackoverflow) 1969-04-17 1969-04-17

Publications (1)

Publication Number Publication Date
US3677527A true US3677527A (en) 1972-07-18

Family

ID=20266398

Family Applications (1)

Application Number Title Priority Date Filing Date
US28737A Expired - Lifetime US3677527A (en) 1969-04-17 1970-04-15 Humidification equipment for gases

Country Status (4)

Country Link
US (1) US3677527A (enrdf_load_stackoverflow)
DK (1) DK123075B (enrdf_load_stackoverflow)
GB (1) GB1304447A (enrdf_load_stackoverflow)
SE (1) SE347158B (enrdf_load_stackoverflow)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US642211A (en) * 1899-03-25 1900-01-30 Howard G Colman Atomizer.
US2551538A (en) * 1948-01-08 1951-05-01 Walter E Hensel Multiple jet spray nozzle
US2598447A (en) * 1948-12-31 1952-05-27 David A Freeman Corp Steam hydrator
US2605764A (en) * 1948-01-23 1952-08-05 Frank H Adams Apparatus for nebulizing
US2709577A (en) * 1951-07-28 1955-05-31 Nat Welding Equipment Co Oxygen therapy humidifier
US2720388A (en) * 1954-06-10 1955-10-11 Gordon Armstrong Company Inc Nebulizing device
US2980344A (en) * 1958-08-26 1961-04-18 Paul B Marasco Aspirator means
US3467072A (en) * 1966-08-31 1969-09-16 Energy Transform Combustion optimizing devices and methods

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US642211A (en) * 1899-03-25 1900-01-30 Howard G Colman Atomizer.
US2551538A (en) * 1948-01-08 1951-05-01 Walter E Hensel Multiple jet spray nozzle
US2605764A (en) * 1948-01-23 1952-08-05 Frank H Adams Apparatus for nebulizing
US2598447A (en) * 1948-12-31 1952-05-27 David A Freeman Corp Steam hydrator
US2709577A (en) * 1951-07-28 1955-05-31 Nat Welding Equipment Co Oxygen therapy humidifier
US2720388A (en) * 1954-06-10 1955-10-11 Gordon Armstrong Company Inc Nebulizing device
US2980344A (en) * 1958-08-26 1961-04-18 Paul B Marasco Aspirator means
US3467072A (en) * 1966-08-31 1969-09-16 Energy Transform Combustion optimizing devices and methods

Also Published As

Publication number Publication date
DK123075B (da) 1972-05-15
DE2018280B2 (de) 1973-01-25
DE2018280A1 (de) 1970-10-22
SE347158B (enrdf_load_stackoverflow) 1972-07-31
GB1304447A (enrdf_load_stackoverflow) 1973-01-24

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SIEMENS A.G., VBA PA PB, POSTFACH 22 0261, D-8000

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AGA AKTIEBOLAG,;REEL/FRAME:004049/0019

Effective date: 19811209

AS Assignment

Owner name: SIEMENS A.G., VBA PA PB, POSTFACH 22 0261, D-8000

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. RERECORD OF INSTRUMENT RECORDED APRIL 19, 1983, REEL 4117 FRAMES 218-219 TO CORRECT ADDRESS OF ASSIGNEES IN A PREVIOUSLY RECORDED ASSIGNMENT;ASSIGNOR:AGA AKTIEBOLAG;REEL/FRAME:004117/0218

Effective date: 19830117

AS Assignment

Owner name: AGA AKTIEBOLAG, STATELESS

Free format text: RERECORD OF INSTRUMENT RECORDED APRIL 19 83 REEL 417 REAMES 218 TO CORRECT ADDRESS OF ASSIGNEE IN A PREVIOUSLY RECORDED ASSIGMENT;ASSIGNOR:AGA AKTIEBOLAG;REEL/FRAME:004157/0282

Effective date: 19830117

Owner name: AGA AKTIEBOLAG, BERLIN UND MUENCHEN, WITTELSBACHER

Free format text: RERECORD OF INSTRUMENT RECORDED APRIL 19 83 REEL 417 REAMES 218 TO CORRECT ADDRESS OF ASSIGNEE IN A PREVIOUSLY RECORDED ASSIGMENT;ASSIGNOR:AGA AKTIEBOLAG;REEL/FRAME:004157/0282

Effective date: 19830117