US573025A - Tank-valve - Google Patents

Tank-valve Download PDF

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US573025A
US573025A US573025DA US573025A US 573025 A US573025 A US 573025A US 573025D A US573025D A US 573025DA US 573025 A US573025 A US 573025A
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Prior art keywords
valve
shell
case
stem
tank
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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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
    • F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
    • F16K31/24—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve
    • F16K31/26—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve with the valve guided for rectilinear movement and the float attached to a pivoted arm
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7439—Float arm operated valve
    • Y10T137/7478—With interposed cam, gear or threaded connection

Definitions

  • This invention relates to tank-valves, and has for its object to construct a tank-valve especially adapted for use in cases where the pressure of the water is very considerable.
  • I11 accordance with this invention a case is provided having a passage through it and having at its outlet a valve-seat, and a valve is contained in said case which is movabletoward and from the valve-seat by rotary ac tion, which is given to it by a rising and falling ball attached to the end of an arm which is connected to the stem of said valve outside of the valve-case.
  • one end as, for instance, the inner end thereof, may have secured thereto a projection which turns in a yoke or frame provided for it.
  • valve is herein located at the inside of the valve-case and is movable toward and closes upon its seat with the pressure of the water.
  • the valve is made conical or tapering, so as to offer but little resistance to the passage of the Water through it.
  • Figure 1 shows a longitudinal section and partial elevation of a tank-valve embodying this invention
  • Fig. 2 a cross-section of the valve shown in Fig. 1, taken on the dotted line 0c 00; and
  • Fig. 3 a cross-sectional detail to be referred to.
  • the valve-case a represented as a hollow cylinder, is open at one end and is screwed into or otherwise connected to a shell I), and has at the end opposite said shell 1') a central outlet-passage a.
  • the interior of the cylinder around said passage a is ground smooth or otherwise formed to serve as a valve seat.
  • the valve d is herein shown as a conical or tapering plug, the base of which is'made considerably larger than the outlet-passage a and is formed with an annular groove, in which is placed a suitable packing-ringd, adapted to abut against the valve-seat.
  • the smaller end of the conical plug (1 is extended for a short distance as a projection (1 the eX- tremity of which is or may be pointed.
  • This extension or projection 61 is eXteriorly screwthreaded and turns in a cross-piece (1 (see Fig. 3,) formed integral with or secured diametrically to and within the shell I). This serves as an end bearing for the valve.
  • the valve moves toward and from its seat as it is rotated or turned axially, and in order that it may move a considerable distance by but a partial revolution a double thread or a triple thread may be provided.
  • the taper given to the valve insures its offering but little resistance to the passage of the water.
  • a valve st'em 6 projects through the outletpassage ct, it being formed integral with or connected to the valve, and to this stein an arm c is attached, to the extremity of which the ball 6 is secured.
  • a nozzle to direct the water I have provided a more or less circular shell f, having an outlet f, and said shell is adapted to be secured to the cylinder a, as, for instance, the cylinder may be formed with a circumferential flange, and the shell f may have several angularly-formed ears f which embrace said flange, and set-screws 2 may pass through said ears, impinging against the flange.
  • Such a means of attachment permits thenor zle to be adjusted as desired.
  • another shell, g, made as a sector, is provided, which is formed with a socket for the end of the stem, and it also has an interior recess in which the ball-carrying arm 6 works.
  • a shell obviates the necessity of providing a stuffing-box or packing for the stem at the point where it protrudes from the shell f.
  • the shell g will be secured to the shell f by screws 3, passing through ears formed 011 the shell g and entering the shell f, or it may be otherwise attached; or in fact, if desired, the two shells f and 9 may be made in a sin gle piece I claim- 1.
  • the tank-valve herein described consisting of a valve-case having an interior valveseat, a valve contained in said case, having a screw-threaded projection d at one end, a
  • valve-stem e projecting through the outlet of the valve-case, and made smaller in cross-sectional area than said outlet to leave a passage around it, a support for the outer end of said valvestem c, and a ball- 1 5 scribed.
  • the tanlevalve herein described consisting of a valve-case having an interior valveseat, a valve contained in said case, having a screw-threaded projection d at one end, a
  • valve-stem e projecting through the outlet of the valve-case, and made smaller in cross-sectional area than said outlet to leave a passage around it, a support for the outer end of said valve-stem e, and a ball- 2 5 carrying arm 6 attached to said stem 6, near said outer end support, and ball carried by it for turning said valve and thereby moving it toward and from its seat, and a shell f adj ustably secured to said valve-case over the out- 0 let thereof and having a central passage through it for the stem 6, and also having a laterally-projecting nozzle f, substantially as described.
  • the tank-valve herein described consist- 3 5 ing of a valve-case having an interior valveseat, a valve contained in said case, having a screw-threaded projection (1 a support therefor, a valve-stem projecting through the outlet of the valve-case, a shell f having a nozzle secured to the valve-case next to and communicating with the outlet, and having a passage through it for said valve-stem, a
  • the tank-valve herein described consist-- ing of a valve-case having an interior valveseat, a valve contained in said case, and having a screw-threaded projection (1 a support therefor, a valve-stem projecting through the outlet of the valve-case, and a ball attached to said stem by an arm, for turning said valve and thereby moving it toward and from its seat, and a shell 9 having a support for the end of the stem, and a recess in which the ball-carrying arm Works,substantially as described.
  • the tank-valve herein described consisting of a valve-case having an interior valveseat, a valve contained in said case, and having a screw-threaded projection (1 a support therefor, a valve-stem projecting through the outlet of the valve-case, and a ball attached to said stem by an arm, for turning said valve and thereby moving it toward and from its seat, and a shell f having a nozzle, secured to the valve-case next to and communicating with the outlet, and having a passage through it for the valve-stem, and a shell g placed next to said shell f, and having a support for the end of the stem, and a recess in which the ball-carryin g arm works, substantially as described.

Description

B. F. MILLS. TANK VALVE.
(NoMode1.)
Patented D55; 15, 1896.
UNTTED STATES PATENT QFFICE.
BENJAMIN F. MILLS, OF CAMBRIDGE, MASSACHUSETTS.
TAN K-VALVE.
SPECIFICATION forming part of Letters Patent No. 573,025, dated December 15, 1896.
. Application filed January27,1896. Serial No. 576,936. No model.)
To ctZZ whom it may concern.
Be it known that I, BENJAMIN F. MILLS, of Cambridge, county of Middlesex, and State of Massachusetts, have invented an Improvement in Tank-Valves, of which the following description, in connection with the accompanying drawings, is a specification, like letters and figures on the drawings representing like parts.
This invention relates to tank-valves, and has for its object to construct a tank-valve especially adapted for use in cases where the pressure of the water is very considerable.
I11 accordance with this invention a case is provided having a passage through it and having at its outlet a valve-seat, and a valve is contained in said case which is movabletoward and from the valve-seat by rotary ac tion, which is given to it by a rising and falling ball attached to the end of an arm which is connected to the stem of said valve outside of the valve-case.
As a simple way of constructing the parts in order that the valve shall move toward and from its seat by rotary action one end, as, for instance, the inner end thereof, may have secured thereto a projection which turns in a yoke or frame provided for it.
Instead of seating the valve against the pressure of the water, as is done by many forms of tank-valves, the valve is herein located at the inside of the valve-case and is movable toward and closes upon its seat with the pressure of the water.
The valve is made conical or tapering, so as to offer but little resistance to the passage of the Water through it.
Figure 1 shows a longitudinal section and partial elevation of a tank-valve embodying this invention; Fig. 2, a cross-section of the valve shown in Fig. 1, taken on the dotted line 0c 00; and Fig. 3, a cross-sectional detail to be referred to.
The valve-case a, represented as a hollow cylinder, is open at one end and is screwed into or otherwise connected to a shell I), and has at the end opposite said shell 1') a central outlet-passage a. The interior of the cylinder around said passage a is ground smooth or otherwise formed to serve as a valve seat. The shell I) is adapted to be connected with any suitable supply=pipe c.
The valve d is herein shown as a conical or tapering plug, the base of which is'made considerably larger than the outlet-passage a and is formed with an annular groove, in which is placed a suitable packing-ringd, adapted to abut against the valve-seat. The smaller end of the conical plug (1 is extended for a short distance as a projection (1 the eX- tremity of which is or may be pointed. This extension or projection 61 is eXteriorly screwthreaded and turns in a cross-piece (1 (see Fig. 3,) formed integral with or secured diametrically to and within the shell I). This serves as an end bearing for the valve.
The valve moves toward and from its seat as it is rotated or turned axially, and in order that it may move a considerable distance by but a partial revolution a double thread or a triple thread may be provided.
The taper given to the valve insures its offering but little resistance to the passage of the water.
A valve st'em 6 projects through the outletpassage ct, it being formed integral with or connected to the valve, and to this stein an arm c is attached, to the extremity of which the ball 6 is secured.
As a nozzle to direct the water I have provided a more or less circular shell f, having an outlet f, and said shell is adapted to be secured to the cylinder a, as, for instance, the cylinder may be formed with a circumferential flange, and the shell f may have several angularly-formed ears f which embrace said flange, and set-screws 2 may pass through said ears, impinging against the flange. Such a means of attachment permits thenor zle to be adjusted as desired.
As an end bearing for the stem e another shell, g, made as a sector, is provided, which is formed with a socket for the end of the stem, and it also has an interior recess in which the ball-carrying arm 6 works. Such a shell obviates the necessity of providing a stuffing-box or packing for the stem at the point where it protrudes from the shell f.
The shell g will be secured to the shell f by screws 3, passing through ears formed 011 the shell g and entering the shell f, or it may be otherwise attached; or in fact, if desired, the two shells f and 9 may be made in a sin gle piece I claim- 1. The tank-valve herein described, consisting of a valve-case having an interior valveseat, a valve contained in said case, having a screw-threaded projection d at one end, a
support therefor, a valve-stem e projecting through the outlet of the valve-case, and made smaller in cross-sectional area than said outlet to leave a passage around it, a support for the outer end of said valvestem c, and a ball- 1 5 scribed.
2. The tanlevalve herein described, consisting of a valve-case having an interior valveseat, a valve contained in said case, having a screw-threaded projection d at one end, a
support therefor, a valve-stem e projecting through the outlet of the valve-case, and made smaller in cross-sectional area than said outlet to leave a passage around it, a support for the outer end of said valve-stem e, and a ball- 2 5 carrying arm 6 attached to said stem 6, near said outer end support, and ball carried by it for turning said valve and thereby moving it toward and from its seat, and a shell f adj ustably secured to said valve-case over the out- 0 let thereof and having a central passage through it for the stem 6, and also having a laterally-projecting nozzle f, substantially as described.
3. The tank-valve herein described, consist- 3 5 ing of a valve-case having an interior valveseat, a valve contained in said case, having a screw-threaded projection (1 a support therefor, a valve-stem projecting through the outlet of the valve-case, a shell f having a nozzle secured to the valve-case next to and communicating with the outlet, and having a passage through it for said valve-stem, a
ball-carrying arm attached to said stem outside of said shell f, and ball carried by it, and a shell, as g, inclosing the outer end of said stem and having a recess in which said ballcarrying arm works, substantially as described.
4. The tank-valve herein described, consist-- ing of a valve-case having an interior valveseat, a valve contained in said case, and having a screw-threaded projection (1 a support therefor, a valve-stem projecting through the outlet of the valve-case, and a ball attached to said stem by an arm, for turning said valve and thereby moving it toward and from its seat, and a shell 9 having a support for the end of the stem, and a recess in which the ball-carrying arm Works,substantially as described.
5. The tank-valve herein described, consisting of a valve-case having an interior valveseat, a valve contained in said case, and having a screw-threaded projection (1 a support therefor, a valve-stem projecting through the outlet of the valve-case, and a ball attached to said stem by an arm, for turning said valve and thereby moving it toward and from its seat, and a shell f having a nozzle, secured to the valve-case next to and communicating with the outlet, and having a passage through it for the valve-stem, and a shell g placed next to said shell f, and having a support for the end of the stem, and a recess in which the ball-carryin g arm works, substantially as described.
I11 testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
BENJAMIN I MILLS. Witnesses:
B. J. NoYEs, F. H. DAVIS.
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