US416812A - Balanced slide-valve - Google Patents

Balanced slide-valve Download PDF

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US416812A
US416812A US416812DA US416812A US 416812 A US416812 A US 416812A US 416812D A US416812D A US 416812DA US 416812 A US416812 A US 416812A
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Prior art keywords
valve
steam
slide
opening
balanced slide
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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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve

Definitions

  • My invention ⁇ relates to improvements in slide-valves for steam-engines; and it con- ⁇ sists in the novel construction hereinafter set forth and described.
  • Figure l is a vertical section of a steam cylinder andchest provided With my improved slide-valve.
  • Fig. 2 is a cross-section of same, taken on line :om of Fig. l; and
  • Fig. 3 is a det-ail in perspective of my improved slide-valve.
  • the improved valve maybe given motion by the ordinary rod h, passing out of the chest by way of a stuffing-box.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Description

(No Model.)
E. V. THOMAS. BALANGBD SLIDE VALVE.
110.416,812. Patented Dee. 10, 1889. Y
@mi/kwamen z UNITED STATES vPATENT OEEICE.
EDMESTON V. TI-IOMAS, OF VKANSAS CITY, MISSOURI.
BALANCED SLIDE-VALVE.
SPECIFICATION forming part of Letters Patent No. 416,812, dated Dezember 10` 1889.
Serial No. 321,396. (No model.)
To all whom it may concern:
Be it known that I, EDIvIEsToN V. THOMAS, of Kansas City, Jackson county, Missouri, have invented certain new and useful Improvements in Ialanced Slide Valves for Steam-Engines, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof.
My invention `relates to improvements in slide-valves for steam-engines; and it con-` sists in the novel construction hereinafter set forth and described.
In the drawings, which illustrate the manner of carryingout my invention, Figure lis a vertical section of a steam cylinder andchest provided With my improved slide-valve. Fig. 2 is a cross-section of same, taken on line :om of Fig. l; and Fig. 3 is a det-ail in perspective of my improved slide-valve.
Referring to the drawings by letter, Arepresents a steam-chest, provided with my improved slide-valve C, which has a longitudinal opening a located near its top. Commmunicating with said -slot or opening and extending vertically through the top of the valve is opening c, these two openings forming an entrance for the steam from pipe d into chest A. In chests where the steam enters in the side, opening c may be dispensed with, y
as the steam has ample space to enter between theside of the valve and steam-chest. I provide longitudinal perforation d in order that the valve ends will not present such a broad friction to a minimum andrequiring but litf tle power to operate the valve.
The improved valve maybe given motion by the ordinary rod h, passing out of the chest by way of a stuffing-box.
I-Iaving thus described my invention, what I claim is The improved balanced slide-valve having the longitudinal opening a in its body, the extensions e e at opposite ends, vertical opening c in its upper face, communicating with steam-pipe CZ and opening d, exhaust-cavity D in its lower face, and a valve-rod, in combination with a steam chest and cylinder, substantially as specified. i
In Vtestimony whereof I affix my signature in presence of two witnesses.
EDMESTON Y. THOMAS.
US416812D Balanced slide-valve Expired - Lifetime US416812A (en)

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