US163651A - Improvement in oscillating valves for steam-engines - Google Patents

Improvement in oscillating valves for steam-engines Download PDF

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US163651A
US163651A US163651DA US163651A US 163651 A US163651 A US 163651A US 163651D A US163651D A US 163651DA US 163651 A US163651 A US 163651A
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valve
steam
improvement
engines
openings
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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
    • F16K11/072—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 pivoted closure members
    • F16K11/074—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 pivoted closure members with flat sealing faces
    • F16K11/0743—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 pivoted closure members with flat sealing faces with both the supply and the discharge passages being on one side of the closure plates
    • 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

Definitions

  • My invention relates to an improvement in valves for enginery; and consists in a valvecase and valve furnished with a series of openings for supplying steam to, and exhausting it from, the cylinder of the engine in any desired quantity, in combination with a device for holding the valve to its seat, and for adjusting it in case of wear.
  • Figure 1 is a vertical and transverse section of the valve-case and valve.
  • Fig. 2 is a top view or plan of the same.
  • A represents the valve-case, which is provided with three supply-openings, n C O, and two exhaust-openin gs, BB.
  • ThevalveD is cylindrical and slightly tapering, and is furnished with two supply-openings, g h, and two exhaust-openings, e and f.
  • the valve D is held in its case through the medium of a bridle, R, furnished with a sliding nut, 20, which is pressed toward the valve D by a spring, 8.
  • the nut u is furnished with screw-threads adapted to the screw-threads of the set-screw t, the point of which is conical and fits in a countersunk recess in the outer end of the valve D.
  • a lever, m To the outer end of the valve D is secured a lever, m, to which is attached the cam-rod or other device for giving to the valve D a rotary reciprocating motion, which may be so arranged as to open the several ports to their full capacity, or any desired degree less than their whole capacity.
  • the supply-openings O and O communicate with the cylinder of the engine.
  • the steam-supply pipe is attached to the valve-case at l, and the exhaust-pipe is attached to the case at a.
  • valve D When the valve D is in the position represented in Fig. 1, steam is passing into one end of the cylinder through the openings 12, h, and O, and steam is being exhausted from the other end of the cylinder through the openings 0, e, and B.
  • the valve D By rotating the valve D so that the upper end of the opening 9 is opposite to the opening a, then the valve will be supplying steam through the openings 12, g, and O, and exhausting it through the openings O, f, and B.

Description

r W. HADDOCK. 0scilla-ting-Valve for Steam-Engines.
No, 163,651 Patented Ma y2 5,l875.
UNITED STATES PATENT QFFICEQ WORGSTER HADDOGK, OF PITTSBURG, PENNSYLVANIA.
IMPROVEMENT IN OSCILLATING VALVES FOR STEAM-ENGINES.
Specification forming part of Letters Patent No. 1 63,65 1, dated May 25, 1875 application filed March 24, 1874.
To all whom "it may concern:
Be it known that I, WoRosTER HADDOCK, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a certain new and useful Improvement in Valves for SteamEnginery; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being bad to the accompanying drawings, and to the letters of reference marked thereon.
My invention relates to an improvement in valves for enginery; and consists in a valvecase and valve furnished with a series of openings for supplying steam to, and exhausting it from, the cylinder of the engine in any desired quantity, in combination with a device for holding the valve to its seat, and for adjusting it in case of wear.
To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.
In the accompanying drawings, which form part of my specification, Figure 1 is a vertical and transverse section of the valve-case and valve. Fig. 2 is a top view or plan of the same.
In the accompanying drawings, A represents the valve-case, which is provided with three supply-openings, n C O, and two exhaust-openin gs, BB. ThevalveD is cylindrical and slightly tapering, and is furnished with two supply-openings, g h, and two exhaust-openings, e and f. The valve D is held in its case through the medium of a bridle, R, furnished with a sliding nut, 20, which is pressed toward the valve D by a spring, 8.
The nut u is furnished with screw-threads adapted to the screw-threads of the set-screw t, the point of which is conical and fits in a countersunk recess in the outer end of the valve D. By this arrangement of the bridle, nut, set-screw, and spring, the valve D is held to its seat, and can be adjusted in case of wear, and they also compensate for any undue motion tending to undue friction of the valve D by the mechanism used for rotating it. To the outer end of the valve D is secured a lever, m, to which is attached the cam-rod or other device for giving to the valve D a rotary reciprocating motion, which may be so arranged as to open the several ports to their full capacity, or any desired degree less than their whole capacity. The supply-openings O and O communicate with the cylinder of the engine. The steam-supply pipe is attached to the valve-case at l, and the exhaust-pipe is attached to the case at a.
When the valve D is in the position represented in Fig. 1, steam is passing into one end of the cylinder through the openings 12, h, and O, and steam is being exhausted from the other end of the cylinder through the openings 0, e, and B. By rotating the valve D so that the upper end of the opening 9 is opposite to the opening a, then the valve will be supplying steam through the openings 12, g, and O, and exhausting it through the openings O, f, and B.
Having thus described my improvement, what I claim as of my invention is-.
The case A and coniform valve D, provided with openings, as shown, in combination with the detachable bridle R, screw it, nut u, and
spring 8, when arranged and operating substantially as herein shown and described.
WOROSTER HADDOOK.
Witnesses A. O. JOHNSTON, JAMES J. J OHNSTON-
US163651D Improvement in oscillating valves for steam-engines Expired - Lifetime US163651A (en)

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