US937931A - Valve. - Google Patents

Valve. Download PDF

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Publication number
US937931A
US937931A US1908437806A US937931A US 937931 A US937931 A US 937931A US 1908437806 A US1908437806 A US 1908437806A US 937931 A US937931 A US 937931A
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United States
Prior art keywords
valve
stem
seat
valve stem
collar
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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Henry Gibbs
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Individual
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Individual
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Priority to US1908437806 priority Critical patent/US937931A/en
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Publication of US937931A publication Critical patent/US937931A/en
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Expired - Lifetime legal-status Critical Current

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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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S37/00—Excavating
    • Y10S37/901—Bucket cleaners
    • 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
    • Y10T137/4301—Lost motion permits grinding
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86292—System with plural openings, one a gas vent or access opening
    • Y10T137/863—Access and outlet

Definitions

  • My present invention has primarily for its object to provide an improved construction of valve of that'type in which provision is made for a grinding action of' the valve against its seat, in order to prevent the accumulation of foreign matter, scale, rust or the like, upon the wearing face of the valve or its seat.
  • Figure l is a view in vertical section of a valve embodying my invention.
  • Fig. 2 is a View in vertical section on line 22 of Fig. 1.
  • Fig. 3 is a detail view in horizontal section on line 38 of Fig. 1.
  • My invention is shown embodied in a globe-valve and comprises a casing A having the usual inlet port a and outlet port a. Across the interior of the casing A extends the diaphragm a having an opening 11 therein for the passage of fiuid through the casing. Upon the under side of the diaphragm a and around the opening a is formed the valve seat a" adapted to receive the valve B.
  • valve B is chambered and has the upper portion of its interior wall formed with screw threads 5 adapted to receive the threaded lower portion of a collar C.
  • This collar C loosely encircles the valve stem D, over the upper end of which stem the collar will be slipped.
  • the lower end of the valve stem D is formed with laterally projecting lugs 03 that enter vertical grooves 79 formed in the wall of the chambered valve B.
  • the upper end of the collar C is preferably of polygonal outline to permit the collar to be readily screwed into the upper end of the chambered valve B.
  • valve B When the valve B has been set over the lower end of the valve stem D with the lugs 03 extending into the vertical grooves 6 and the collar C has been screwed to position as shown, the lower end of the collar C will be at a slight distance above the lugs cl of the valve stem, consequently the valve B will be free to move longitudinally of the valve stem to a limited extent, but-will at all times be keyed to the valve stem, so as to rotate therewith.
  • the valve casing A has an upwardly extending neck. A that is interiorly screw threaded to receive the correspondingly threaded portion of'the valve stem D, and the upper part of the neck A is chambered, as at a to receive suitable stufling to guard against leakage at such point.
  • a cap E Around the valve stem D and over the upper end of the neck A of the casing sets a cap E that is intermediately threaded to engage the correspondingly threaded upper end of the neck A.
  • the upper end of the valve stem D has a reduced portion of polygonal outline over which is set a hub f of the hand wheel F, and a retaining screw Gr, enters the threaded upper end of the valve stem, the
  • the lower partof the valve casing is provided with an extension A that is interiorly threaded to receive the threaded portion h of a plug H, the outer part of this plug H being preferably of polygonal outline to enable the plug to be readily engaged by the wrench.
  • valve B when the valve B has been placed upon the lower end of the valve stem D, the valve B will have freedom of movement longitudinally of the valve stem to a limited extent, while being keyed to rotate at all times with Y said stem.
  • stem When the stem is turned to draw the valve B toward the valve seat a, the pressure of fluid upon the under side of the valve B will cause the valve to close against the seat before the lugs d (in the upward movement of the valve stem) reach the lower end of the collar C. It will therefore be seen that during the last portion of the closing upward movement of the valve will effectively serve to prevent the accumulation of scale, rust, sediment, orthe like be- 1 tween the valve and its seat, and hence, will insure an accurate seating of the valve.
  • My present invention provides an exceedingly simple and effective construction of self-grinding valve and one which does not require the presence of springs, which in devices of this kind are highly objectionable.
  • the plug H can be removed and by inserting a screw driver or like tool in the notch b at the base of the valve B, the valve can ,be rotated back and forth while being forcibly pressed against the valve seat a Having thus described my invention what one or more projections engaging the channels in said valve in manner permitting the valve to move lengthwise of the stem to a limited extent, and a collar encircling said valve stem and having its lower end eX- teriorly screw-threaded to engage the interiorly threaded upper portion of the valve.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)

Description

H. GIBBS.
VALVE.
APPLIOATION FILED JUNE 11, 1903.
937,931 Patented Oct. 26, 1909.
HENRY GIBBS, OF CHICAGO, ILLINOIS.
VALVE.
Specification of Letters Patent.
Patented Oct. 26, 1909.
Application filed .Tune 11, 1908. Serial N 0. 437,806.
To all whom it may concern:
Be it known that I, HENRY GIBBS, a citizen of the United States, residing in Chicago, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Valves, of which I do declare the following to be a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.
My present invention has primarily for its object to provide an improved construction of valve of that'type in which provision is made for a grinding action of' the valve against its seat, in order to prevent the accumulation of foreign matter, scale, rust or the like, upon the wearing face of the valve or its seat.
The invention consists in the features of novelty hereinafter described, illustrated in the accompanying drawing, and particularly pointed out in the claim at the end of this specification.
Figure l is a view in vertical section of a valve embodying my invention. Fig. 2 is a View in vertical section on line 22 of Fig. 1. Fig. 3 is a detail view in horizontal section on line 38 of Fig. 1.
My invention is shown embodied in a globe-valve and comprises a casing A having the usual inlet port a and outlet port a. Across the interior of the casing A extends the diaphragm a having an opening 11 therein for the passage of fiuid through the casing. Upon the under side of the diaphragm a and around the opening a is formed the valve seat a" adapted to receive the valve B.
As shown, the valve B is chambered and has the upper portion of its interior wall formed with screw threads 5 adapted to receive the threaded lower portion of a collar C. This collar C loosely encircles the valve stem D, over the upper end of which stem the collar will be slipped. The lower end of the valve stem D is formed with laterally projecting lugs 03 that enter vertical grooves 79 formed in the wall of the chambered valve B. The upper end of the collar C is preferably of polygonal outline to permit the collar to be readily screwed into the upper end of the chambered valve B. When the valve B has been set over the lower end of the valve stem D with the lugs 03 extending into the vertical grooves 6 and the collar C has been screwed to position as shown, the lower end of the collar C will be at a slight distance above the lugs cl of the valve stem, consequently the valve B will be free to move longitudinally of the valve stem to a limited extent, but-will at all times be keyed to the valve stem, so as to rotate therewith.
The valve casing A has an upwardly extending neck. A that is interiorly screw threaded to receive the correspondingly threaded portion of'the valve stem D, and the upper part of the neck A is chambered, as at a to receive suitable stufling to guard against leakage at such point. Around the valve stem D and over the upper end of the neck A of the casing sets a cap E that is intermediately threaded to engage the correspondingly threaded upper end of the neck A. The upper end of the valve stem D has a reduced portion of polygonal outline over which is set a hub f of the hand wheel F, and a retaining screw Gr, enters the threaded upper end of the valve stem, the
broad head of the screw G serving to hold the hand wheel in place upon the valve stem.
As shown, the lower partof the valve casing is provided with an extension A that is interiorly threaded to receive the threaded portion h of a plug H, the outer part of this plug H being preferably of polygonal outline to enable the plug to be readily engaged by the wrench.
From the foregoing description it will be seen that when the valve B has been placed upon the lower end of the valve stem D, the valve B will have freedom of movement longitudinally of the valve stem to a limited extent, while being keyed to rotate at all times with Y said stem. When the stem is turned to draw the valve B toward the valve seat a, the pressure of fluid upon the under side of the valve B will cause the valve to close against the seat before the lugs d (in the upward movement of the valve stem) reach the lower end of the collar C. It will therefore be seen that during the last portion of the closing upward movement of the valve will effectively serve to prevent the accumulation of scale, rust, sediment, orthe like be- 1 tween the valve and its seat, and hence, will insure an accurate seating of the valve. When the valve stem D is turned to open the valve, the valve B will be rotated by the stem D, but will remain against the seat a (because of the fluid pressure beneath it), until the lower end of the valve stem'contacts with the bottom of the chamber of the valve B, after which the valve B will be forced away from the seat a My present invention provides an exceedingly simple and effective construction of self-grinding valve and one which does not require the presence of springs, which in devices of this kind are highly objectionable. In case it is desired to grind the valve and the valve seat more extensively than Would be accomplished in the ordinary operation of the valve stem, the plug H can be removed and by inserting a screw driver or like tool in the notch b at the base of the valve B, the valve can ,be rotated back and forth while being forcibly pressed against the valve seat a Having thus described my invention what one or more projections engaging the channels in said valve in manner permitting the valve to move lengthwise of the stem to a limited extent, and a collar encircling said valve stem and having its lower end eX- teriorly screw-threaded to engage the interiorly threaded upper portion of the valve.
HENRY GIBBS.
Witnesses ELLA HAGENOW, KATHARINE GERLAOH.
passingthrough the valve seat and having
US1908437806 1908-06-11 1908-06-11 Valve. Expired - Lifetime US937931A (en)

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US1908437806 US937931A (en) 1908-06-11 1908-06-11 Valve.

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