US712424A - Reversible steam-turbine. - Google Patents

Reversible steam-turbine. Download PDF

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Publication number
US712424A
US712424A US11640002D US1902116400D US712424A US 712424 A US712424 A US 712424A US 11640002 D US11640002 D US 11640002D US 1902116400 D US1902116400 D US 1902116400D US 712424 A US712424 A US 712424A
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Prior art keywords
steam
disks
turbine
passages
revolving
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US11640002D
Inventor
Henry Frederick Tyzack
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Henry Shadforth Scott
Isidor Summerfield
Henry Frederick Tyzack
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Priority to US11640002D priority Critical patent/US712424A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D1/00Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/30Non-positive-displacement machines or engines, e.g. steam turbines characterised by having a single rotor operable in either direction of rotation, e.g. by reversing of blades

Description

Patented Oct. 28, I902.
H. F. TYZACK'. REVERSIBLE .STEAM TURBINE.
(Application med m 21, 1902.
2 Sheets-Shoat l.
(No Model.)
m n l m Ii Nu. 7|2,424. Patented 001. 28, I902.
' r H. F. TYZACK. REVERSIBLE STEAM TURBINE. A ncacionmea .m 21, 1902; I (No Model.) 2 Sheefs-Shekat 2.
I: V g
UNITED I STATES PATENT OFFICE.
HENRY FREDERICKTYZACK, DF GATESHEAD, ENGLAND, ASSIGNOR OF TWO THIRDS TO HENRY SHADFORTH SCOTT, OF GATESHEAD, ENGLAND, AND ISIDOR SUMMERFIELD, OF NElVOASTLE-UPON-TYNE, ENGLAND.
REVERSIBLE STEAM-TURBINE.
SPECIFICATION forming art of Letters Patent No. 712,424, dated October 28, 1902. Application filed July 21, 1902. Serial No. 116,400i (N model.)
Construction of Reversible Steam-Turbines,
and I do hereby declare thefollowing to be a full, clear, and exact description of the invention, such as will enable others skilled in [O the art to which itappertains to make and use.
the same.
The object of this invention is to produce a steam-turbine of improved construction which can be reversed in its rotation, so as to operate 'in either direction, and having other novel features. I
The accompanying two sheets of drawings illustrate such a reversible turbine according to my invention and generally as I propose to carry it into practical application.
Figure 1, Sheet 1, is an end view of one of the revolving disks secured upon the shaft; and Fig. 1 is a section through same. Fig. 2 is an end view of one of the stationary disks 2 5 which are inverted between the revolving disks, and Fig. 2 is a section through one of these disks. Fig. 3 shows a portion of two revolving disks with one stationary disk between them, forming the outer circle andthe 3o inner circle of disks in Figs. 1, 1", 2, and 2. Fig. 4 is an enlarged section of part of two revolving disks and one'stationary disk, showing the method of providing lateral stiffness in the direction of'the line of shaft. Figs. 5
and 6, Sheet 2, show an end view and elevation one-half in section; and Figs. 5 and 5", details of the steam-ports on Figs. 5 and 6 by which reversing is effected. Fig. 7, Sheet 1, shows a modified construction of the vanes in one or more of the revolving disks to control the admission of steam and increase its energy.
The same letters indicate the same parts in all the figures. I I
On Figs. 1 and 1, Sheet 1, c is the main shaft, to which are secured the revolving disks, in which are the outer circle of ports or passages A, into which the steam enters to revolve the disks in one direction, and A the inner circle,into which steam enters to revolve 5o them in the reverse direction. 7
Fig. 3 shows the disposition of the propelling-vanes of these ports A A relatively to the ports in the stationary disks B B.
Figs. 2 and 2 show an end view and sectioual elevation of the stationary disks B B, showing outer and inner circles of ports, with their angled vanes.
Fig. 4: shows, enlarged, a portion of a pair of revolving disks A A, having between them astationary disk B B, the latter being prevented from turning in the case J by set bolts Q. The revolving disks andthe stationary disks half lap with each other all around by the flanges K, thereby having great stability given to the former in driving the shaft. Steam is prevented passing between the disks by grooves P,in which are inserted packing-rings P, secured by spigots P Referring to Sheet 2, Fig. 5 shows an end view one-half each of the reversing-plate E and steam-nozzle plate F, and Fig. -6 an elevation, one-half in section, to illustrate the method of reversing the revolution of the disks. J is the outer casing into the steamchest R, of which the steam enters at D, and after being expanded through the series of revolving disks is exhausted to the condenser or atmosphere at I. The reversing is efiected by a plate E, in which are slots L, and this plate has upon it a portion of a toothed rim N, into which a toothed pinion N on a spindle O engages, so that by a handleG the slots ,will open to steam by the ports M and the portsA to revolve the disks and shaft in one direction, closing the passages to the other ports A in the. disks, and vice versa, according to the direction of revolution required.
live steam operates before escaping into the next disk.
Fig. 7, Sheet 1, shows an enlargement of the method we may adopt to cause the steam to exert its full work upon the vanes by making it enter in the direction of the arrow and impinge upon the vanes S with increased effect by passing'the contracted spaces at X.
This construction of reversible steam-turbine is adapted to act as a brake to retard and bring to rest when suddenly required the action when going ahead or astern, as in propelling a steamer, by turning the slotted plate E so as to change the operation of the steam from one set of the revolving disks to the other set, this action when going ahead causing the vessel to overrun the propeller, which will revolve in the opposite direction and be gradually revolved without shock to go astern.
What I claim is 1. In a reversible turbine, the combination with a plurality of revolving disks provided with an inner and outer circle of oppositelydisposed steam passages or buckets, of stationary disks located between said revolving disks provided with ports adapted to aline with the steam-passages of said revolving disks, a steam-chest on one side of the turbine communicating directly with said steampassages of said revolving disks, an inlet-pipe for said steam-chest, means located in said steam-chest for controlling the delivery of the operating fluid from said inlet-pipe to one or the other of said series of steam-passages, and an exhaust-pipe for the expanded steam.
2. In a reversible turbine, the combination with a plurality of revolving disks provided with an inner and outer circle of oppositelydisposed stea m-passages having angular surfaces or vanes, of stationary disks located be tween said revolving disks and having an inner and outer circle of ports adapted to aline with said steam-passages, an inlet-pipe, an exhaust-pipe, and a slotted plate interposed between said inlet-pipe and said steam-passages for controlling the delivery of the operating fluid to the inner or outer series of steam-passages.
3. In a reversible turbine the combination with a plurality of revolving disks provided with an inner and outer circle of oppositelydisposed steam-passages having angular sur faces or vanes, the passages of one circle being alternately disposed relative to the pas sages of the other circle; of stationary disks located between said revolving disks and having angular ports adapted to aline with, and open communication between the inner and outer circle of steam-passages of one revolving disk and the corresponding steam-passages of the next adjacent disk, a steamchest, an inlet-pipe, an exhaust-pipe, a stationary plate in said chest adjacent the face of the inner revolving disk and havinga double series of alternating ports adapted to aline with the steam -passages therein, a slotted plate engaging said stationary plate, and means for rotating said slotted plate for opening communication, through either series of said alternating ports, between said steamchest and the corresponding steam-passages in said revolving disks.
In testimony whereof I affix my signature in the presence of two Witnesses.
HENRY FREDERICK TYZAOK.
Witnesses:
WILLIAM DAGGETT, JASPER RICHARDSON.
US11640002D 1902-07-21 1902-07-21 Reversible steam-turbine. Expired - Lifetime US712424A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914296A (en) * 1953-06-18 1959-11-24 Gen Electric Overspeed control for fuel system turbopump
US3059834A (en) * 1957-02-21 1962-10-23 Hausammann Werner Turbo rotor
US4124329A (en) * 1976-11-30 1978-11-07 Romanov Viktor I Axial-flow reversible turbine
US4293273A (en) * 1976-11-30 1981-10-06 Romanov Viktor I Axial-flow reversible turbine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914296A (en) * 1953-06-18 1959-11-24 Gen Electric Overspeed control for fuel system turbopump
US3059834A (en) * 1957-02-21 1962-10-23 Hausammann Werner Turbo rotor
US4124329A (en) * 1976-11-30 1978-11-07 Romanov Viktor I Axial-flow reversible turbine
US4293273A (en) * 1976-11-30 1981-10-06 Romanov Viktor I Axial-flow reversible turbine

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