US790246A - Feed-water regulator. - Google Patents

Feed-water regulator. Download PDF

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Publication number
US790246A
US790246A US1905247261A US790246A US 790246 A US790246 A US 790246A US 1905247261 A US1905247261 A US 1905247261A US 790246 A US790246 A US 790246A
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United States
Prior art keywords
water
feed
valve
spindle
float
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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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Inventor
Frank X Atzberger
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Frank X Atzberger
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Priority to US1905247261 priority Critical patent/US790246A/en
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Publication of US790246A publication Critical patent/US790246A/en
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Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D5/00Controlling water feed or water level; Automatic water feeding or water-level regulators
    • F22D5/18Controlling water feed or water level; Automatic water feeding or water-level regulators for varying the speed or delivery pressure of feed pumps
    • F22D5/22Controlling water feed or water level; Automatic water feeding or water-level regulators for varying the speed or delivery pressure of feed pumps with floats
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7287Liquid level responsive or maintaining systems
    • Y10T137/7358By float controlled valve
    • Y10T137/7365Single float controls plural valves
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7287Liquid level responsive or maintaining systems
    • Y10T137/7358By float controlled valve
    • Y10T137/742In separate communicating float chamber

Description

No. 790.246. PATENTED MAY 16; 1-905;
' F. XrATZBBRGER.
FEED WATER REGULATOR.
APPLICATION FILED r123. 25. 1905.
wine-862s:
Patented May 16, 1905.
UNITED STATES PATENT OFFICE.
I FRANK X. ATZBERGER, OF NEW YORK, N. Y.
' FEED-WATER REGULATOR.
SPECIFICATION forming part of Letters Patent No. 790,246, dated May 16, 1905.
Application filed February 25, 1905. Serial No. 247,261.
To all whom, it may concern:
Be it known that I, FRANK X. ATZBERGER, a citizen of the United States, residing at New York city, Manhattan, county and. State of New York, have invented new and useful Improvements in Feed Water Regulators, of which the following is a specification.
This invention relates to a feed-water regulator for boilers which is so constructed that the Water may be supplied either by a pump or by a service-pipe in such a manner that the normal Water-level will always be maintained.
In the accompanying drawings, Figure 1 is a side elevation of part of a boiler provided with my improved feed-water regulator; Fig. 2, a vertical longitudinal section through the regulator; Fig. 3, an enlarged cross-section on line 3 3, Fig. 2; and Fig. 4:, a similar cross section on line 4 4, Fig. 2. j
The letter A represents a casing which is enlarged at its center to form a chamber a, containing a float c. The lower end of this chamber communicates by a feed-water or inlet pipe (1/ with a boiler B below the lowest water-level of the latter. The upper cylindrical section a of casing A communicates by a steam-inlet pipe a with steam-dome B and by steam-outlet pipe a, having cock a with the steam-cylinder 03 of a pump D. The top of float o is connected to the lower threaded end of a spindle c, the upper end of which is loosely embraced by a tubular sleeve 6, passing through a stufling-box f and having a squared head a. The spindle 0 is vertically movable within sleeve abut is connected thereto in such a manner that the rotatory movement imparted to the sleeve will be transmitted to the spindle. To obtain this result, the sleeve is provided at its lower end with a lon gitudinal slot 0 which engages a pin 0 projecting laterally from spindle 0. Within section a of casing A is secured a rest g, that projects above pipe a and is perforated in alinement with such pipe to "form a steamoutlet port 9.
a slide-valve it, which in its raised position closes port g, and consequently pipe at. The valve 72, has a tubular extension 71 to receive 5 a pin 2', projecting from one end of a hori- Along rest 9 is free to move' zontal arm 6. The other end of this arm is forked to form the bearing of a guide-roller 2' movable along a rail j, which is fitted within section a opposite rest 9. The arm 2' has a tapped hub i that engages the threaded section of spindle 0, so that any vertical movement imparted to the spindle will be transmitted to the arm, and consequently to valve it.
To effect a proper engagement between valve 71 and rest 9 and between roller 71 and rail respectively, a spring 70, inclosed by tubular extension it, bears with one end against valve 71 and with its other end against pin i. To prevent tilting of the valve, its extension 72/ is traversed by a pin 7?, that passes through a slot 6" of pin a".
The bottom of chamber a communicates with a lower cylindrical section a of casing A. This lower section a contains a valve-box Z, that communicates with section a by an upper port Z and a lower port Z Valve-box Z receives the feed-water by a pipe (0 having cock a from the barrel 0? of pump D. It is also connected by a branch at, having cock (0 to a' waterservice pipe. (Not shown.) A blow-off cock a in the lower contracted end of section a serves for the ejection of accumulated sediments.
From the bottom of float 0 depends a stem m, carrying a pair of disk valves m m adapted to close ports Z Z respectively.
- The relative position of the parts is such that when the steam is cut off from pump D by the raising of float a the valves m of remain still open.
The operation is as follows: When the boiler is to be fed by pump D, cook a is closed, while cocks a a are opened. The water-level in the boiler B is of course the same as that in chamber a. As long as such level is normal the float 0 will remain raised, so that the valve it closes port g, and thus cuts off the steam from the pump. When the waterlevel falls, the float 0 will descend to open port 9' and admit steam to pump D, whereby the latter is started to force feed-water through pipe 0 into valve-box Z. This water will flow through open ports Z Z into casing A and thence through pipe a into the boiler. As soon as the proper water-level has been reestablished the port will be again closed by the rising of float c. When the boiler B is to be fed from the service-pipe, the cocks a a are closed, while the cock at is opened. The water will now again flow through the ports Z Z into casing A and thence through pipe 0 into the boiler. Under an excessive supply of water the float will be raised to close valves m m and thus cut ofl the further flow of water.
The height of the water-level in the boiler may be regulated by turning sleeve 6, and thereby adjusting the distance between valve it and float 0.
What I claim is' 1. In a feed-water regulator, the combination of a casing having a steam-port with a float, a spindle projecting therefrom, a slidevalve for closing the port, means for adjustably connecting said valve to the spindle, and a rotatable sleeve embracing the upper end of the spindle, substantially as specified.
2. In a feed-water regulator, the combinationot' acasing having a steam-port with a float, a threaded spindle projecting therefrom, a tapped arm engaging the spindle, a guide-roller journaled to the arm, and a spring-actuated slide-valve connected to the arm and adapted to close the port, substantially as specified.
3. In a feed-water regulator, the combination of a casing having a steam-outlet and a water-inlet with a float, a threaded spindle projecting upwardly therefrom, a tapped arm engaging the spindle, a spring-influenced slide-valve connected to the arm, a rotatable sleeve embracing the upper end of the spindle, a valve-box having a water-inlet port, a stem depending from the float, and a disk valve on said stem adapted to close said port, substantially as specified.
Signed by me at New York city, (Manhattan,) New York, this 23d day of February, 1905.
FRANK X. A'lZBERGER.
Witnesses:
H. H. ROBSON, F. R. GRAVES.
US1905247261 1905-02-25 1905-02-25 Feed-water regulator. Expired - Lifetime US790246A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697444A (en) * 1949-03-08 1954-12-21 Maid O Mist Inc Boiler control
US5927950A (en) * 1996-05-03 1999-07-27 Lapa Services S.R.L. Device for controlling the supply of water (or other liquid) by a pump and for protecting the same in the event of dry running
US20070169821A1 (en) * 2003-02-26 2007-07-26 Schultink Arnold J Level control for liquid throughfeed

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697444A (en) * 1949-03-08 1954-12-21 Maid O Mist Inc Boiler control
US5927950A (en) * 1996-05-03 1999-07-27 Lapa Services S.R.L. Device for controlling the supply of water (or other liquid) by a pump and for protecting the same in the event of dry running
US20070169821A1 (en) * 2003-02-26 2007-07-26 Schultink Arnold J Level control for liquid throughfeed
US7654278B2 (en) * 2003-02-26 2010-02-02 Schultink Arnold J Level control for liquid throughfeed

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