US463431A - Valve - Google Patents

Valve Download PDF

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Publication number
US463431A
US463431A US463431DA US463431A US 463431 A US463431 A US 463431A US 463431D A US463431D A US 463431DA US 463431 A US463431 A US 463431A
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United States
Prior art keywords
valve
stem
seat
sleeve
threaded
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Expired - Lifetime
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Classifications

    • 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
    • F16K29/00—Arrangements for movement of valve members other than for opening and closing the valve, e.g. for grinding-in, for preventing sticking
    • 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
    • Y10T137/4273—Mechanical cleaning
    • Y10T137/428—Valve grinding motion of valve on seat
    • Y10T137/4315—Nut releasable from body and/or stem

Definitions

  • Figure 1 of the drawings is a vertical central section showing the valve unseated.
  • Fig. 2 is a similar view showing the valve seated.
  • Fig. 3 is a detail.
  • This invention has relation to steam and water Valves and means for grinding and repairing the same; and the invention consists in the novel construction and combination of parts, as hereinafter described.
  • the letter A designates the casing or shell, of the usual form, having the inlet a communicating with the valve-charm ber, which communicates with the outlet through the valve-seat B, formed in a partition of the casing.
  • O is the stem of the valve, having the conical or tapering head adapted to fit in the seat B, which is of conical form.
  • This stem enters the Valve-chamber through the threaded opening D, and has a male thread E cut thereon, which works in a female thread cutin the interior surface of one end of the annular angular sleeve F on said stem, and by means of these threads the valve-head is driven to its seat.
  • This sleeve F at one end has a screw-threaded shouldered portion f,
  • the threaded cap-piece H which is chambered and threaded onits interior at one end to receive said threaded portion.
  • the opposite end of the cap-piece has a central circular aperture h, through which passes the stem.
  • the normal position ofthe parts is shown in Fig. l.
  • the sleeve F is made reversible end for end on the stem, and when the valve-seat becomes worn so as to cause a leakage, as is frequently the case, said sleeve is unscrewed from the shell or casing, the cap removed and the sleeve reversed, and the end G screwed into the shell and the cap replaced.
  • the interior surface of the chamber at this end is smooth, and has a diameter sufficient to permit the screw-threaded portion of the stem to slide loosely therein, the head dropping into its seat.
  • the stem may then be turned freely and the grinding of the seat effected, oil and emery being supplied, as usual.
  • the sleeve and cap will hold the stem steady during this operation, preventing any wabbling motion thereof, whereby the seat may be evenly ground.
  • the cap and sleeve are provided with the angular portions K K, respectively, to permit the application of a wrench thereto for the removal of the said parts. WVhenthe seat has been sufficiently ground, the parts are changed to their normal position, as already described.
  • valve-seat therein, of the valve having a solid stem, having a portion of its surface provided with a raised thread, a hollow sleeve or guide for said stem, said guide hav-- ing an externally-threaded portion at each end, its aperture being threaded at one end and at the opposite end of larger diameter and having a plane wall, and the cap having a screw -thread adapted to engage either threaded end of said sleeve, substantially as specified.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)

Description

(No Model.)
E. N. WHITAKER. VALVE.
Patented Nov 17, 1891.
WITNESSES:
M52709 y MM Arromvn.
UNITED STATES PATENT OFFICE.
EDWARD N. WHITAKER, OF ANDERsoN, INDIANA.
VALVE.
SPECIFICATION forming part of Letters Patent No. 463,431, dated November 17, 1891.
Application filed February 28, 1891. Serial No.- 383,204=- (No model.)
To aZZ whom it may concern:
Be it known that I, EDWARD N. WHITAKER, a citizen of the United States, and a resident of Anderson, in the county of Madison and State of Indiana, have invented certain new and useful Improvements in Steam and Water Valves; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
Figure 1 of the drawings is a vertical central section showing the valve unseated. Fig. 2 is a similar view showing the valve seated. Fig. 3 is a detail.
This invention has relation to steam and water Valves and means for grinding and repairing the same; and the invention consists in the novel construction and combination of parts, as hereinafter described.
In the accompanying drawings, illustrating the invention, the letter A designates the casing or shell, of the usual form, having the inlet a communicating with the valve-charm ber, which communicates with the outlet through the valve-seat B, formed in a partition of the casing.
O is the stem of the valve, having the conical or tapering head adapted to fit in the seat B, which is of conical form. This stem enters the Valve-chamber through the threaded opening D, and has a male thread E cut thereon, which works in a female thread cutin the interior surface of one end of the annular angular sleeve F on said stem, and by means of these threads the valve-head is driven to its seat. This sleeve F at one end has a screw-threaded shouldered portion f,
, portion f, and when the parts are in their normal position this portion is engaged by the threaded cap-piece H, which is chambered and threaded onits interior at one end to receive said threaded portion. The opposite end of the cap-piece has a central circular aperture h, through which passes the stem. The normal position ofthe parts is shown in Fig. l. The sleeve F is made reversible end for end on the stem, and when the valve-seat becomes worn so as to cause a leakage, as is frequently the case, said sleeve is unscrewed from the shell or casing, the cap removed and the sleeve reversed, and the end G screwed into the shell and the cap replaced. The interior surface of the chamber at this end is smooth, and has a diameter sufficient to permit the screw-threaded portion of the stem to slide loosely therein, the head dropping into its seat. By means of a brace, Wrench, or other suitable appliance the stem may then be turned freely and the grinding of the seat effected, oil and emery being supplied, as usual. The sleeve and cap will hold the stem steady during this operation, preventing any wabbling motion thereof, whereby the seat may be evenly ground.
The cap and sleeve are provided with the angular portions K K, respectively, to permit the application of a wrench thereto for the removal of the said parts. WVhenthe seat has been sufficiently ground, the parts are changed to their normal position, as already described.
Having thus described my invention, whatI claim as new, and desire to secure by Letters Patent, is
The combination, with'the shell or casing and the valve-seat therein, of the valve having a solid stem, having a portion of its surface provided with a raised thread, a hollow sleeve or guide for said stem, said guide hav-- ing an externally-threaded portion at each end, its aperture being threaded at one end and at the opposite end of larger diameter and having a plane wall, and the cap having a screw -thread adapted to engage either threaded end of said sleeve, substantially as specified.
In testimony whereof I affix my signature in presence of two witnesses. 4
EDWARD N. WHITAKER. Witnesses:
W. H. ZIEGLER, SAMUEL P. MOORE.
US463431D Valve Expired - Lifetime US463431A (en)

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