US1844955A - Draw-off control device for liquids - Google Patents
Draw-off control device for liquids Download PDFInfo
- Publication number
- US1844955A US1844955A US522594A US52259431A US1844955A US 1844955 A US1844955 A US 1844955A US 522594 A US522594 A US 522594A US 52259431 A US52259431 A US 52259431A US 1844955 A US1844955 A US 1844955A
- Authority
- US
- United States
- Prior art keywords
- draw
- liquids
- control device
- passage
- liquid
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
- F16K13/08—Arrangements for cutting-off not used
- F16K13/10—Arrangements for cutting-off not used by means of liquid or granular medium
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2931—Diverse fluid containing pressure systems
- Y10T137/3115—Gas pressure storage over or displacement of liquid
- Y10T137/3127—With gas maintenance or application
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface
- Y10T137/4245—Cleaning or steam sterilizing
- Y10T137/4252—Reverse fluid flow
Definitions
- This invention relates to draw-oif control devices for liquids which have to be continually agitated such as those containing solid matter. in suspension and has for its object an improved draw-off control device which does not become clogged by solid or coagulated matter.
- an air jet in the body of the device is directed against the passage leading from the liquid supply pipe towards the discharge orifice and operates to prevent the flow of liquid through the said passage and at the same time keeps the passage free of solid or coagulated matter.
- a passage 2 in the valve body 3 leads the liquid from the supply pipe 1 toward the discharge orifice 4.
- the jet of air issuing from nozzle 6 prevents the flow of liquid from the supply pipe 1 into the passage 2 and keeps the passage free of any accumulation of solid matter.
- a draw-off control device for liquids the combination of a supply pipe in which the liquid isadapted to be maintained in circulation, a discharge passage therefromand a nozzle aligned with the discharge passage to direct an air jet against the surface of the liquid in the discharge passage.
Description
Feb. 16, 1932. J. H. GRIFFIN 1,344,955
v DRAW-OFF CONTROL DEVICE FOR LIQUIDS Filed March 14, 1931 Patented Feb; 16 1932 UNETED STATES PATENT OFFICE JAMES HARRIS GRIFFIN, OF ST. HELENS, ENGLAND, .ASSIGNOR TO PILKINGTON BROTHERS LIMITED, OF LIVERPOOL, ENGLAND, A LIMITED LIABILITY COMPANY OF GREAT BRITAIN DRAW-OFF CONTROL DEVICE FOR LIQUIDS Application filed March 14, 1931, Serial No. 522,594, and in GreatBritain- March 21, 1930.
This invention relates to draw-oif control devices for liquids which have to be continually agitated such as those containing solid matter. in suspension and has for its object an improved draw-off control device which does not become clogged by solid or coagulated matter.
According to the invention an air jet in the body of the device is directed against the passage leading from the liquid supply pipe towards the discharge orifice and operates to prevent the flow of liquid through the said passage and at the same time keeps the passage free of solid or coagulated matter.
I he drawings shown in section, in Figures 1 and 2, two alternative forms of draw-ofir control devices for liquids made according to the invention and attached to a liquid supply pipe 1. V i
he same reference figures apply to like or corresponding parts represented in Fig ures 1 and 2. A passage 2 in the valve body 3 leads the liquid from the supply pipe 1 toward the discharge orifice 4. A pipe 5, connected witha supply of air under pres sure, terminates within thevalve body 3 in a nozzle 6 which is directed toward the passa e 2.
accumulation of solid matter in the supply pipe 1 is prevented by maintaining the liquid therein in circulation.
The jet of air issuing from nozzle 6 prevents the flow of liquid from the supply pipe 1 into the passage 2 and keeps the passage free of any accumulation of solid matter.
On stopping the supply of air to the nozzle 6, the liquid is free to flow through the passage 2 and out of the discharge orifice 4,
hese parts being so constructed that there is no passage n which the hquidcan remain stationary.
Having described my invention, Ideclare that what I claim and desire to secure by end of the passage, the flow of liquid from said discharge passage adapted to be prevented by a jet of air flowing from said nozzle. I
2. In a draw-off control device for liquids the combination of a supply pipe in which the liquid isadapted to be maintained in circulation, a discharge passage therefromand a nozzle aligned with the discharge passage to direct an air jet against the surface of the liquid in the discharge passage.
In a draw-off control device for liquids JAMES'HARRIS GRIFFIN.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1844955X | 1930-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1844955A true US1844955A (en) | 1932-02-16 |
Family
ID=10891840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US522594A Expired - Lifetime US1844955A (en) | 1930-03-21 | 1931-03-14 | Draw-off control device for liquids |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1844955A (en) |
-
1931
- 1931-03-14 US US522594A patent/US1844955A/en not_active Expired - Lifetime
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