US1039231A - Nozzle for apparatus for exhausting, propelling, and inducing currents in fluids. - Google Patents

Nozzle for apparatus for exhausting, propelling, and inducing currents in fluids. Download PDF

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Publication number
US1039231A
US1039231A US60830811A US1911608308A US1039231A US 1039231 A US1039231 A US 1039231A US 60830811 A US60830811 A US 60830811A US 1911608308 A US1911608308 A US 1911608308A US 1039231 A US1039231 A US 1039231A
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Prior art keywords
nozzle
propelling
exhausting
fluids
inducing currents
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Expired - Lifetime
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US60830811A
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Gottfried Weidmann
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles

Definitions

  • NOZZLB FOR APPARATUS FOR EXHAUSTIN G, PROPBLLING, AND INDUOING OURRENTS IN FLUIDS.
  • the apparatus shown- consists of a conical body 'c having at its apex an outlet on which the exhaust pipe g is fixed.' On to the body c a cover b 1s screwed having two sockets p and h.
  • the socket p is co-axial to said exhaust ipe gand extends to both sides ot the cover
  • the outer end is provided with a nut a by means of which the apparatus may be connectedl to a water supply.
  • socket h which is provided with screw threads .
  • a suction pipe or hose may be attached.
  • On the inner end of socket p a nozzle d is removably fixed.
  • the nozzle d is tapering and has a flange Z, the edgelcof which is preferably sharp.
  • the jet issued through the nozzle will show a high contraction and the outer part of it is at once broken up, the water particles are minled with air andforce the air particles own the discharge tube g. All conditions being equal the nozzle shown will need at least 20 perl cent. less water to propel the same amount of air than the usual tapering nozzle having equal diameter of the orifice.
  • a pressure gage is attached on the outer part of socket p . To prevent the back-flow of water from the discharge pipe. into the suction-pipe I provide a valve f adapted to open automatically as soon as the vacuum has reached the point at which the pressure of the atmosphere may press the water back through pipe g.
  • the valve f comprises a sleeve o adapted to be screwed into the cover b and having a valve seat on to which a disk g is pressed by means of a spring r abuttin on the one side on a flange of the sleeve an' on the other side on a nut e screwed on the stern of disk valve g.
  • nozzle may be ⁇ connected tothe socket otherwise as shown or may be made removable, moreover there may be made'more than one nozzle to form a multiple-jet apparatus.
  • rin l in one piece with the nozzle it may be maze separate and it may be exchangeably fitted in the nozzle.
  • the ring Z may be provided with incisions or the like or it may e replaced by a circular row 'ot projections protruding inwardly from the wall ojfethe nozzle.
  • the invention may be applied to any apparatus for propel ing exhausting or inducing currents in any fluid.
  • a vacuum producing device In a vacuum producing device, the combination of a casing having a discharge outlet and an air inlet opening to said casing rearwardly of said outlet, said casing being normally closed except for said outlet and inlet, a liquid discharge nozzle projecting through the normally closed portion of the casing toward said outlet and with the disi l ln testimony whereof I aiiX my signature charge endl in advance of sai inlet, the bore 1n presence of two witnesses.

Description

G. WBIDMANN.
NOZZLB FOR APPARATUS FOR EXHAUSTIN G, PROPBLLING, AND INDUOING OURRENTS IN FLUIDS.
APPLICATION FILED 11111.13, 1911.
1,039,231,l Patented Sept. 24, -1912.
rn as raar cierren.
Gorrrnrnn Weinmann, or zoLLIKcN. man ZURICH, SWITZERLAND.
, NUZZLE FOR APPARATUS FOR XHAUSTING, PROPELLING, -AND INDUGING CURRENTS INHFLUIDS.
Speciilcation of Lettera Patent.
Application :tiled February 13, 1911.
atented Sept. 24, 1912. serial No. 608,308.
To all whom it may concern:
Be it known that I, GOTTFRIED Wljin)` MANN, a citizen of the Swiss Confederation,
i yand residing at Zollikon, near Zurich, Switefliciency by causing the jet of liquid delivered by one or more nozzles to he broken up into small particles each of which exerts a forcing-action on the air or gas particles in front of it. I attain this object by providing the `nozzles with means for increasing the contraction of the jet and I have found that by the arrangement of the jet-orifice in a short annular ring or neck protruding inwardly from the tapering wall of the noz- Yzle a very high eiiiciency can be obtained.`
In the accompanying drawings a vacuum apparatus for cleaning carpets, furniture and the like in which the exhaustion is roduced by a water jet is shown by way o an example in a sectional view.
The apparatus shown-consists of a conical body 'c having at its apex an outlet on which the exhaust pipe g is fixed.' On to the body c a cover b 1s screwed having two sockets p and h. The socket p is co-axial to said exhaust ipe gand extends to both sides ot the cover The outer end is provided with a nut a by means of which the apparatus may be connectedl to a water supply. 0n socket h which is provided with screw threads .a suction pipe or hose may be attached. On the inner end of socket p a nozzle d is removably fixed. The nozzle d is tapering and has a flange Z, the edgelcof which is preferably sharp. As the neck is short in comparison to the diameter ofthe orifice the jet issued through the nozzle will show a high contraction and the outer part of it is at once broken up, the water particles are minled with air andforce the air particles own the discharge tube g. All conditions being equal the nozzle shown will need at least 20 perl cent. less water to propel the same amount of air than the usual tapering nozzle having equal diameter of the orifice. On the outer part of socket p a pressure gage is attached. To prevent the back-flow of water from the discharge pipe. into the suction-pipe I provide a valve f adapted to open automatically as soon as the vacuum has reached the point at which the pressure of the atmosphere may press the water back through pipe g. The valve f comprises a sleeve o adapted to be screwed into the cover b and having a valve seat on to which a disk g is pressed by means of a spring r abuttin on the one side on a flange of the sleeve an' on the other side on a nut e screwed on the stern of disk valve g.
Various changes may be made in the construction shown Without departing from the spirit of my invention. 'Ihe nozzle may be `connected tothe socket otherwise as shown or may be made removable, moreover there may be made'more than one nozzle to form a multiple-jet apparatus. Instead of makingI the rin l in one piece with the nozzle it may be maze separate and it may be exchangeably fitted in the nozzle. The ring Z may be provided with incisions or the like or it may e replaced by a circular row 'ot projections protruding inwardly from the wall ojfethe nozzle.
The invention ma be applied to any apparatus for propel ing exhausting or inducing currents in any fluid.
What I claim is,
In a vacuum producing device, the combination of a casing having a discharge outlet and an air inlet opening to said casing rearwardly of said outlet, said casing being normally closed except for said outlet and inlet, a liquid discharge nozzle projecting through the normally closed portion of the casing toward said outlet and with the disi l ln testimony whereof I aiiX my signature charge endl in advance of sai inlet, the bore 1n presence of two witnesses.
of said nozzle being ciieular and converging toward Jche discharge end, and an inwardly projecting ciiculai1 flange at' the discharge GOTTFRIED WEIDMANN.
n end of said nozzle contracting the discharg said ange being relatively thin I Witnesses:
CARL GUBLER,
AUGUST REGG.
ing stream, as compared with the cross section of the opening therein.
US60830811A 1911-02-13 1911-02-13 Nozzle for apparatus for exhausting, propelling, and inducing currents in fluids. Expired - Lifetime US1039231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US60830811A US1039231A (en) 1911-02-13 1911-02-13 Nozzle for apparatus for exhausting, propelling, and inducing currents in fluids.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60830811A US1039231A (en) 1911-02-13 1911-02-13 Nozzle for apparatus for exhausting, propelling, and inducing currents in fluids.

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US1039231A true US1039231A (en) 1912-09-24

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