US193455A - Improvement in rotary valves for compound engines - Google Patents

Improvement in rotary valves for compound engines Download PDF

Info

Publication number
US193455A
US193455A US193455DA US193455A US 193455 A US193455 A US 193455A US 193455D A US193455D A US 193455DA US 193455 A US193455 A US 193455A
Authority
US
United States
Prior art keywords
valve
steam
ports
improvement
rotary valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
Publication date
Application granted granted Critical
Publication of US193455A publication Critical patent/US193455A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • Y10T137/86638—Rotary valve

Definitions

  • My invention relates to rotary valves for compound steam-engines.
  • the object of the invention is to provide a valve that will admit steam to the first cylinder in the engine at the boiler-pressure throughout its entire stroke, and conduct steam from this cylinder... to the auxiliary cylinder, and
  • A is the cylindrical valvechest, having the ports a b c d, which are connected with the cylinders by the steampassages 11/ b c d.
  • Ports 0, e, and f are formed in the side of the cylinder, and covered by a steam-chest, g, which contains a D- valve, h, which is capable of covering either of the outside ports a and the central port f.
  • B is a hub that is secured to the shaft 0, that is journaled centrally in the heads of thevalve-chestA, and is provided with flanges a j; between which the segments k l m are placed.
  • valve-segments from slipping.
  • Springs 0 are attached to the hub B, for forcing the valve-segments outward against the interior surface of the valve-chest A.
  • valve-segments are made in one of the valve-segments, to admit steam between the said segments and the hub B.
  • a notch, q is made in the flange t, and an aperture, 1, is made in the side of the valve-segment k.
  • a notch, s is made in the flange j, and an aperture, t, is made in the valve-segment l.
  • the steam-spaces in the valve-segments k l are separated by the portion it of the segments, which is wide enough to cover either-of the ports a b c d.
  • the steamspace in the valve-segment m is of sufficient length to cover two of the ports a b c d through
  • the shaft 0 is connected with the main shaft of the engine by means of any suitable gearing that will cause it to rotate with a positive motion at the same rate of speed as the main shaft.
  • the passages 11 0 cross at the side of the steam-chest, to secure the required relation between the steamways of the cylinders and the division of the valve.
  • the valve-segment m follows the segment is, and conducts .the' steam'from the exhaust side of the piston,
  • the segment 1 follows the segment m, and as it passes the several ports of the valve-chest the steam escapes through the opening t, and thence through the ports 0 and f to a condenser, or into the open air.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Multiple-Way Valves (AREA)

Description

LMUNDENJ ROTARY VALVE 'FOR COMPOUND ENGINES;
No; 193,455. Patented Jui 24,1877.
z J A E -i y y I n I l 3' a JZ'gi-A UNITED STATES P TENT QFFICE.
IsAAc, MUNDEN, or BRADENVILLE, rENNsYLvAuIA.
IMPROVEMENT .IN ROTARY VALl/ES FOR COMPQUND ENGINES.
Specification forming part of Letters Patent N 0. 193,455, dated July 24, 1877; application filed April 30, 1877.
To all whom it may concern:
Be it known that I, IsAAo MUNDEN, of Bra- I denville, in the county'of Westmoreland and of the sections of the valve.
Similar letters of reference indicate corresponding parts.
My invention relates to rotary valves for compound steam-engines.
It consists in the arrangement of a hub carrying a circular valve, that is made in three divisions. The casing of thesaid valve is provided with four ports, which admit steam into two cylinders, and with'two ports connecting with a reversing-valve.
The object of the invention is to provide a valve that will admit steam to the first cylinder in the engine at the boiler-pressure throughout its entire stroke, and conduct steam from this cylinder... to the auxiliary cylinder, and
from thence to the exhaust-passage of the valve-casing, as hereinafter fully described.
Referring to the drawing, A is the cylindrical valvechest, having the ports a b c d, which are connected with the cylinders by the steampassages 11/ b c d. Ports 0, e, and f are formed in the side of the cylinder, and covered by a steam-chest, g, which contains a D- valve, h, which is capable of covering either of the outside ports a and the central port f. By means of this valve the steam may be directed into either end of the cylindrical valvechest. B is a hub that is secured to the shaft 0, that is journaled centrally in the heads of thevalve-chestA, and is provided with flanges a j; between which the segments k l m are placed. These segments of the valve are fitted together by tongues and grooves, to form a steam-tight joint between them, and they are provided with lugs n, which fit in corresponding recesses in the flanges i j, which prevent a fraction of a revolution of the valve.
the valve-segments from slipping. Springs 0 are attached to the hub B, for forcing the valve-segments outward against the interior surface of the valve-chest A. An aperture,
is made in one of the valve-segments, to admit steam between the said segments and the hub B. A notch, q, is made in the flange t, and an aperture, 1, is made in the side of the valve-segment k. A notch, s, is made in the flange j, and an aperture, t, is made in the valve-segment l. The steam-spaces in the valve-segments k l are separated by the portion it of the segments, which is wide enough to cover either-of the ports a b c d. The steamspace in the valve-segment m is of sufficient length to cover two of the ports a b c d through The shaft 0 is connected with the main shaft of the engine by means of any suitable gearing that will cause it to rotate with a positive motion at the same rate of speed as the main shaft.
The operation of my improved valve is as follows Steam is admitted through one of the ports 6 e. In the present case it is admitted through the port e, whence it passes through the openings q in the flange t, and through the opening 1 in the valve-segment k, which admits the steam through a quarter of a revolution to the several ports a b c d in succession. These ports are connected with the steamways of the two cylinders by the pas sages a b c d, the passages a 0 being connected with one of the cylinders, and the passages b d being connected with the other cylinder. The passages 11 0 cross at the side of the steam-chest, to secure the required relation between the steamways of the cylinders and the division of the valve. The valve-segment m follows the segment is, and conducts .the' steam'from the exhaust side of the piston,
which is receiving steam through the valvesegment 70, to the end of the cylinder at the opposite side of the valve, which is diagonally opposite that portion of the cylinder that receives the steam through the valve-segment la. The segment 1 follows the segment m, and as it passes the several ports of the valve-chest the steam escapes through the opening t, and thence through the ports 0 and f to a condenser, or into the open air. By moving the a valve It so as to cover the port e and uncover The combination of the valve-chest A, havthe port 6, steam is admitted, where before it ing ports a b c d, and the hub B, having flanges escaped, and the action of the engine and i j and valve-segments k l m, tongued and valve is reversed. grooved together, substantially as shown and The advantages claimed for this invention described. are, its economy in the use of steam, the iacilv ity with which the engine may be reversed, ISAAC MUNDEN; and its simplicity and compactness.
Having thus described my invention, I Witnesses: claim as new and desire to secure by Letters GEORGE H. MUNDEN, Patent A H. FELLHEIMEB.
US193455D Improvement in rotary valves for compound engines Expired - Lifetime US193455A (en)

Publications (1)

Publication Number Publication Date
US193455A true US193455A (en) 1877-07-24

Family

ID=2262861

Family Applications (1)

Application Number Title Priority Date Filing Date
US193455D Expired - Lifetime US193455A (en) Improvement in rotary valves for compound engines

Country Status (1)

Country Link
US (1) US193455A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140162512A1 (en) * 2012-12-06 2014-06-12 Terrence Michael Hanrahan Forearm boat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140162512A1 (en) * 2012-12-06 2014-06-12 Terrence Michael Hanrahan Forearm boat
US8882553B2 (en) * 2012-12-06 2014-11-11 Terrence Michael Hanrahan Forearm boat

Similar Documents

Publication Publication Date Title
US193455A (en) Improvement in rotary valves for compound engines
US227319A (en) tegnander
US715722A (en) Rotary engine.
US470978A (en) Valve for engines
US361598A (en) Half to damas ltjtz
US313728A (en) hardy
US749958A (en) Steam-engine
US394684A (en) Rotary engine
US663972A (en) Steam-engine.
US602630A (en) Rotary engine
US270160A (en) Rotary steam-engine
US878327A (en) Rotary engine.
US369552A (en) Valve for steam-engines
US249620A (en) David o
US212019A (en) Improvement in valve-gears for steam-engines
US233233A (en) Steam-engine valve
US952465A (en) Compound rotary steam-engine.
US566303A (en) Rotary engine
US381678A (en) Canada
US633730A (en) Rotary steam-engine.
US718791A (en) Rotary engine.
US116031A (en) Improvement in steam-engines
US387858A (en) Reversing valye for rotary engines
US282001A (en) kissam
US842465A (en) Steam engine.