US181497A - Improvement in pump-valves - Google Patents

Improvement in pump-valves Download PDF

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US181497A
US181497A US181497DA US181497A US 181497 A US181497 A US 181497A US 181497D A US181497D A US 181497DA US 181497 A US181497 A US 181497A
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valve
pump
valves
improvement
metal
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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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7908—Weight biased
    • Y10T137/7909—Valve body is the weight
    • Y10T137/7913—Guided head
    • Y10T137/7914—Cage

Definitions

  • FIG. 1 is a vertical section.
  • Fig. 2 is a cross-section on line a: w of Fig. 1, and Fig. 3 a bottom-plan view of the valve and its case.
  • the object of the invention is to provide an improved substitute for puppet-valves heretofore in use.
  • the invention relates particularly to the valve-seat,composed' of hard metal and having a beveled rim, the metal valve having an annulus of soft metal secured in a suitable cavity, and the vertical guides for causing the valve to seat itself accurately, these elements being conjoined under the particular arrangement hereinafter described.
  • B is the cylindrical valve-case; A, the valve, provided with.
  • the raised valve-seat g is circular in form and beveled to a sharp edge, as shown, so that it will embed itself in the soft-metal annulus b.
  • the stem Hot the valve guides it with considerable accuracy; but to insure a perfectly watertight joint it is necessary to employ the guidebars 0, in order to prevent the valve turning on its axis, and compel it to seat itself in such a manner that each part of the beveled rim will'always strike in the same part of the annulus. If the valve were allowed to turn on its axis a water-tight joint would be seldom formed, since the beveled rim will usually wear unequally, and the soft-metal annulus isordinarily not perfectly homogeneous in quality.
  • a valve provided with a soft-metal rim is not claimed; but

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

Description

w. H. moms,,aec'a. CHARLOTTE THOMAS, Executrjx.
' PUMP-VALVE; $1 ,131,497,- rm imau 22, 1875;
Ei i 1 V WITNESSES:
v vATTORNEYS.
UNITED. STATES PATENT OFFICE.
CHARLOTTE THOMAS, OF SACRAMENTO, CALIFORNIA, EXECUTRIX OF WILLIAM H. THOMAS, DECEASED.
y IMPROVEMENT m PUMP-VALVES.
Specification forming part of Letters Patent No. 181,497, dated August 22, 1876; application filed April 10, 1876.
To all whom it may concern Be it known that W. H. THOMAS, deceased, late of the cityand county of Sacramento, State of- California, did invent a certain Improved Fump-Valve; and the following specification is a full and exact description of the same, reference being, had to the accompanying drawing, in which Figure 1 is a vertical section. Fig. 2 is a cross-section on line a: w of Fig. 1, and Fig. 3 a bottom-plan view of the valve and its case.
The object of the invention is to provide an improved substitute for puppet-valves heretofore in use.
To this end the invention relates particularly to the valve-seat,composed' of hard metal and having a beveled rim, the metal valve having an annulus of soft metal secured in a suitable cavity, and the vertical guides for causing the valve to seat itself accurately, these elements being conjoined under the particular arrangement hereinafter described.
Referring to the drawing, B is the cylindrical valve-case; A, the valve, provided with.
tailed in cross-section, so that the'metal cannot be removed or displaced by the jarring occasioned by the operation of the valve. The raised valve-seat g is circular in form and beveled to a sharp edge, as shown, so that it will embed itself in the soft-metal annulus b. The stem Hot the valve guides it with considerable accuracy; but to insure a perfectly watertight joint it is necessary to employ the guidebars 0, in order to prevent the valve turning on its axis, and compel it to seat itself in such a manner that each part of the beveled rim will'always strike in the same part of the annulus. If the valve were allowed to turn on its axis a water-tight joint would be seldom formed, since the beveled rim will usually wear unequally, and the soft-metal annulus isordinarily not perfectly homogeneous in quality.
A valve provided with a soft-metal rim is not claimed; but
I claim- The combination of theraised beveled rim or seat 9, the notched valve, provided with the soft-metal annulus b, secured in a dovetail cavity, the vertical parallel guide-bars o a, projectingfrom the head L,as shown and described, to operate as specified.
CHARLOTTE THOMAS, Ewecutriw.
US181497D Improvement in pump-valves Expired - Lifetime US181497A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659570A (en) * 1949-11-17 1953-11-17 Bendix Aviat Corp Valve
US3783767A (en) * 1972-07-10 1974-01-08 Home Metal Prod Co Roof ventilator
US6860089B2 (en) * 2002-04-10 2005-03-01 Detail Machine Company Pillow pack wrapping technique and related apparatus
US20230058581A1 (en) * 2019-03-13 2023-02-23 Baker Hughes Oilfield Operations Llc Anti-rotation fluid injection dart

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659570A (en) * 1949-11-17 1953-11-17 Bendix Aviat Corp Valve
US3783767A (en) * 1972-07-10 1974-01-08 Home Metal Prod Co Roof ventilator
US6860089B2 (en) * 2002-04-10 2005-03-01 Detail Machine Company Pillow pack wrapping technique and related apparatus
US20230058581A1 (en) * 2019-03-13 2023-02-23 Baker Hughes Oilfield Operations Llc Anti-rotation fluid injection dart
US12173802B2 (en) * 2019-03-13 2024-12-24 Baker Hughes Oilfield Operations Llc Anti-rotation fluid injection dart

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