US113616A - Improvement in balanced slide-valves - Google Patents

Improvement in balanced slide-valves Download PDF

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Publication number
US113616A
US113616A US113616DA US113616A US 113616 A US113616 A US 113616A US 113616D A US113616D A US 113616DA US 113616 A US113616 A US 113616A
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valves
improvement
slide
steam
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 slide-val ves for steamengines; and the principle thereof consists in sliding the valve under an equilibrium of steam-pressure on the two opposite sides.
  • the drawing exhibits a section showing my improvement.
  • valves C will rise and allow arapid ingress of steam to the valve-chest H. This will continue for a few moments, until an equilibrium of steam-pressure is exerted o n both sides of each valve. After this is effected the additional pressure from the weight of the valve will cause it to settle in the desired proximity to the surface over which it is intended to slide, and will retain it in that position until steam is cut 0E from the engine.

Description

UNITED STATES.y PATENT OEEIcE ALBERT G. BARRETT, OF BARRETT, KANSAS.
IMPROVEMENT IN BALANCED SLIDE-VALVES.
Specification forming part of Letters Patent No. 113,616, dated April 11, 1871.
To all whom it may concern:
Beit known that 1, ALBERT G. BARRETT, of Barrett, in the county of Marshall and State of Kansas, have invented a new and Improved Balance Slide-Valve; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawing, forming a part of this specification.
My invention relates to slide-val ves for steamengines; and the principle thereof consists in sliding the valve under an equilibrium of steam-pressure on the two opposite sides.
The means which I employ in order to embody lny principle and practically exemplify it will now be described, and subsequently specified in the claim.
The drawing exhibits a section showing my improvement.
induction-ports B, and while the pressure from below has no countervailing pressure from above, the valves C will rise and allow arapid ingress of steam to the valve-chest H. This will continue for a few moments, until an equilibrium of steam-pressure is exerted o n both sides of each valve. After this is effected the additional pressure from the weight of the valve will cause it to settle in the desired proximity to the surface over which it is intended to slide, and will retain it in that position until steam is cut 0E from the engine.
Having thus described all that is necessary to a full understanding of my invention, what I esteem to be new, and desire to protect by Letters Patent, is-
A pair of slide-valves, C, having domes F Gr, and arranged in a chamber, H, combined, as described, with a steam-chest, A, cylinder induction-ports B B, exhaustports D D, and steam-channels E E, all relatively arranged to act on the principle specified.
p ALBERT G. BARRETT.
Witnesses:
J. S. PARTHEMER, B. F. BOLTON.
US113616D Improvement in balanced slide-valves Expired - Lifetime US113616A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557460A (en) * 1946-10-16 1951-06-19 Robert J Ott Slide valve
US3396750A (en) * 1965-04-05 1968-08-13 Alfa Laval Ab Milking machine pulsator
US20160312908A1 (en) * 2013-12-19 2016-10-27 Robert Bosch Gmbh Valve with a connecting element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557460A (en) * 1946-10-16 1951-06-19 Robert J Ott Slide valve
US3396750A (en) * 1965-04-05 1968-08-13 Alfa Laval Ab Milking machine pulsator
US20160312908A1 (en) * 2013-12-19 2016-10-27 Robert Bosch Gmbh Valve with a connecting element

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