US261671A - Steam-valve - Google Patents

Steam-valve Download PDF

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US261671A
US261671A US261671DA US261671A US 261671 A US261671 A US 261671A US 261671D A US261671D A US 261671DA US 261671 A US261671 A US 261671A
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valve
steam
plug
spindle
port
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F16K1/04Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle with a cut-off member rigid with the spindle, e.g. main valves

Description

(No Model.)
F. J GARNEY.
' STEAM VALVE. No. 261,671. v Patented July 25, 1882..
WITNESSES: q INVBNTQRL 4 AW y 4/7. BY mu/m, -Jkfw,w/M z 7 ATTORNEYS,
N PETERS. Photo-Lithogrlphur, Walhiuglnn. ILCv UNITED STATES PATENT OFFICE.
FRANCIS J. CARNEY, OF BROOKLYN, NEW YORK.
STEAM-VALVE.
SPECIFICATION forming part of Letters Patent No. 261,671, dated July 25, 1882. Application filed May 16, 1882. (No model.)
To all whom it may concern:
Be it known that I, FRANCIS J. CARNEY, of the city of Brooklyn, in the county of Kings and State of New York, have invented a new and Improved Steam-Valve, of which-the following is a full, clear, and exact description.
My invention relates to improvements in steam-valves; and it consists in the peculiar construction and arrangement of parts, as hereinafter more fully set forth.
Reference is to be had to the accompanying drawings, forming part of this specification, in which similar letters'of reference indicate corresponding parts in all the figures.
Figure 1 is a longitudinal sectional elevation of my improved steam-valve and Fig. 2
is a sectional plan view of the cup-shaped valveplunger on the line as m, Fig. 1.
A cylindrical cup shaped valve plug, A, open at its lower end and closed at the upper end, is secured to the lower end of a spindle. B, loosely mounted in the sleeve of the cap (3 of the valve-casing F. r
The valve-plug A is externally threaded, and is providedwith two or more side openings,.D.
The port in the horizontal partition E of the valve box or casin g F is screw-threaded internally, and is of such size that the externallythreaded plug A can be screwed into it.
The spindle B is provided with a collar, G, directly above the valve-plug, and the cup 0 of the valve-casing is provided with a central annular projection, H, through which the spindle B passes, which collar G and projection H prevent the valve-plug from being entirely screwed out of the port in the horizontal position.
The upper edge of the collar. G is made in the shape of a half-bead, a, and the lower end of the projection His provided with an annular half-bead recess, into which the half-bead projection a fits, thus forming an absolutely tight joint and preventing steam from escaping through the sleeve of the cap 0 when the valve is opened, and permitting packing of the valve-spindle when the steam is turned on.
Whenthe hollow valve-plug A is raised, as
shown in Fig. 1, the steam can pass as indicated by the arrow, and if the valve-plug is screwed into the port to such an extent that the openings D will be below the partition E the valve will be closed and no steam can pass.
In the ordinary valve the plug is raisedfrom its seat to form an aperture to let the steam pass, and when this plug is raised chips of metal or other impurities are deposited on the seat, and when the plug is screwed down on the seat-these chips or other matter destroy the ground surfaces of the plug and the seat. This defect is avoided in my improved valve, as the plug is never entirely removed from the port, and thus no foreign matter can enter between the sides of the plug and the port.
This valve can be used for steam, gas, or liquids.
Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. In a steam-valve, the combination, with the "alve-box F and cap 0, of the spindle B, the externally-threaded hollow Valve-plug A, provided with side openings,'D, and of the partition E, provided with a threaded port, substantially as herein shown and described, and for the purpose set forth.
2. In a steam-valve, the combination, with the valve-box F and the cap O,'provide'd with a central downward projection, H, of the spindle B, provided with a collar, G, the threaded hollow plug A, provided with side openings, D, and the horizontal partition E, provided with a threaded port, substantially :as herein shown and described, and for the purpose set forth.
3. In a steam-valve, the combination, with the valve-box F and the cap 0, provided with a central downward projection, H, having a half-bead recess on its lower edge, of the spindle B, provided with a collar, G, having a half-bead, a, on its upper edge, and of the valve-plug D, substantially as herein shown and described, and for the purpose set forth.
FRANCIS J. OARNEY.
Witnesses OSCAR F. GUNz, O. SEDGWICK.
US261671D Steam-valve Expired - Lifetime US261671A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509435A (en) * 1994-11-25 1996-04-23 Occidental Chemical Corporation Non-leaking valve
US5992293A (en) * 1996-02-13 1999-11-30 Ab Rexroth Mecman Cylinder device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509435A (en) * 1994-11-25 1996-04-23 Occidental Chemical Corporation Non-leaking valve
US5992293A (en) * 1996-02-13 1999-11-30 Ab Rexroth Mecman Cylinder device

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