US50759A - Improvement in rotary steam-engines - Google Patents

Improvement in rotary steam-engines Download PDF

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US50759A
US50759A US50759DA US50759A US 50759 A US50759 A US 50759A US 50759D A US50759D A US 50759DA US 50759 A US50759 A US 50759A
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steam
disk
groove
piston
bolt
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00Rotary-piston machines or engines
    • F01C1/02Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F01C1/063Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them
    • F01C1/07Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them having crankshaft-and-connecting-rod type drive

Definitions

  • FIG. 7 Figure '1 is an inside elevationof' the part Aofthe engine, showing, also, the piston F and the center .piece B.
  • Fig. 2' is an'inside e1- evation of the part A.
  • Fig.3 is a section of the center piece, taken on the line 1-1 of Fig. 6. .
  • Fig. 4 is a view of the center piece from Lthesid'e opposite. to thatshowniu Fig.1. Fig.
  • Fig. 5 shows the pistons in the positions they oc-' cupy when the left-hand piston in that figure is about to become movable and the other stationary, the steam being then out ch.
  • Fig. 6 is a cross-section of the engine, taken on the diametrical linew of Fig. 1.
  • Fig. 7 is a crosssection of the center piece,'takenon-thc dia-. metrical line a of Fig. 1.
  • This invention consistsin a.' novel construction of a rotary engine, the cylinderxof which is annular and is contained in a disk which is made to revolve about a hollow stationary shaft, through the opposite ends of which the steam is admitted and exhausted.
  • the engine is made in the form of a disk,-
  • the disks are made in halves or divisions A A, firinl y connected together by screws
  • O- is the passage through which steam is exhausted from the cylinder. It connects with an exhaust-portpE, which extends radially through the'center piece and opens into the annular cylindrical space Gr.
  • the communication betweenthe exhaustport E and 'passage'G isalways open, but that between the steam-port? and lhesteam-passage 0 is periodically shutfoii' by avalve, l), which projects from a collar. or ring, 0, which is receivedinthespace P, and which is'made vto revolve therein about the shaft bymeans of aprojection, n, on the edge opposite to that which has the valve-projection D, and which projection n fits into a recess made in the part A of the disk. (See Fig. 6.
  • the ring b and v the valve 1) is by this means carried along with the disk or cylinder of the engine in its revolution aboutthe shaft.
  • the valve 1). may be made shorter or longer than here shown, so
  • a is'a groove made. in that face of the center piece B whichcomes in contact with thepart A of-the .engine.
  • the groove is atrne circle, except at that partot' it'which overlies the exhaust-port P, where it is suddenly bent inward at g-..
  • This groove receives the pin K of a driving-bolt, j, which slides in a radial groove made for it in the part A of the disk.
  • the inner endbf the bolt j opens into the same recess which is made in the part A for bolding the projection n of the valve-ring b.
  • the groove d receives the pins of a lockingbolt, c, which slides in aradial groove made for it in the center piece, B. This bolt protrudes into the cylindrical space G at all times, except'when the pin a is passing through the bend h of the groove.
  • Each piston is" connected byaplate,
  • the connecting-plates c are carved on their outer edges to coincide with the curve of the adjacent side of t he cylindrical groove G, along the line of the greatest circumference of the said groove. It follows from this that the convex sides of the connecting-plates will not fit in any other position in the grooves Gr than that in which they are represented in the drawings.
  • the said plates extend along the said pistons and their guides in the line of their diameters, but do .not reach clear across the same, thus allowing room for-the. protruding ends of the bolts i and j to enter between the guides f and their respective pistons, as hereinafter explained.

Description

2 Sheets-Sheet 1.
. G. WESTINGHOUSE, Jr.
ROTARY STEAM ENGINE.
No. 50,759. Patent ed 051;. 31, 1865.
2 Sheets-Sheet 2.
G. WESTINGHOUSE, J1".
ROTARY STEAM ENGINE.
No. 50,759. Patented Oct. 31,1865.
UNITED S ATE GEORGE WESTINGHOUSE, -JR.,-
PATENT OFFICE.
OF SGHENECTADY, NEW YORK.
lM PROVEM EMT in. ROTARY STEAM-ENGINES.
Specification forming'part of Letters Patent No. 50,759, dated October 31, 1865.
clear, and exact-description thereof, which will enable others skilled in the art to make-and use the same, reference being had to the ac companying drawings, forming part'of this specification, in which- 7 Figure '1 is an inside elevationof' the part Aofthe engine, showing, also, the piston F and the center .piece B. Fig. 2' is an'inside e1- evation of the part A. Fig.3 is a section of the center piece, taken on the line 1-1 of Fig. 6. .Fig. 4 is a view of the center piece from Lthesid'e opposite. to thatshowniu Fig.1. Fig.
5 shows the pistons in the positions they oc-' cupy when the left-hand piston in that figure is about to become movable and the other stationary, the steam being then out ch. Fig. 6 is a cross-section of the engine, taken on the diametrical linew of Fig. 1. Fig. 7 is a crosssection of the center piece,'takenon-thc dia-. metrical line a of Fig. 1. Fig. Sis across-section of the center piece, taken on the diametrical line yof Fig. 1.
Similar letters of reference indicate like Parts. This invention consistsin a.' novel construction of a rotary engine, the cylinderxof which is annular and is contained in a disk which is made to revolve about a hollow stationary shaft, through the opposite ends of which the steam is admitted and exhausted.
The engine is made in the form of a disk,-
whoseweight and thickness will he or may be made sufficient to make it serve for a balance- .wheel. The disks are made in halves or divisions A A, firinl y connected together by screws The perforation throughthe shaft js divided into two divisions, 0" 0 by a diaphragm, G, which is placed nearly in a diametrical plane, which would bisect the center piece 13.
O- is the passage through which steam is exhausted from the cylinder. It connects with an exhaust-portpE, which extends radially through the'center piece and opens into the annular cylindrical space Gr. I
'0 is a steam passage through the shaft,
which connects with a circular space, P, made about it in the center piece B, from which space a steam-portgP, extenda'radially through the center piece to the cylindrical space G.
The communication betweenthe exhaustport E and 'passage'G isalways open, but that between the steam-port? and lhesteam-passage 0 is periodically shutfoii' by avalve, l), which projects from a collar. or ring, 0, which is receivedinthespace P, and which is'made vto revolve therein about the shaft bymeans of aprojection, n, on the edge opposite to that which has the valve-projection D, and which projection n fits into a recess made in the part A of the disk. (See Fig. 6. The ring b and v the valve 1) is by this means carried along with the disk or cylinder of the engine in its revolution aboutthe shaft. The valve 1). may be made shorter or longer than here shown, so
- as to cut off the steam at any desirable part of the revolution of the engine.
a is'a groove made. in that face of the center piece B whichcomes in contact with thepart A of-the .engine. The groove is atrne circle, except at that partot' it'which overlies the exhaust-port P, where it is suddenly bent inward at g-.. This groove receives the pin K of a driving-bolt, j, which slides in a radial groove made for it in the part A of the disk.
The inner endbf the bolt j opens into the same recess which is made in the part A for bolding the projection n of the valve-ring b. The
outer end of the bolt j protrudes into the cylindrical spaceG during that part of the revolution of the disk in which the pin K is traveling through the circular part of the groove a;
butit is withdrawn therefrom when the pin H is passing through the bentpart g of the groove.
dis a groove made in the central portion of the part A of the disk, and which also has a bend, h, therein like the bend g' of the groove a.
2 sense The groove d receives the pins of a lockingbolt, c, which slides in aradial groove made for it in the center piece, B. This bolt protrudes into the cylindrical space G at all times, except'when the pin a is passing through the bend h of the groove.
so tightly as to prevent their easy movement therein. Each piston is" connected byaplate,
0, with a circular guide, f, of equal diameter with the pistons; but the peripheries of the guides are not packed. Their office is to guide and steady the'pistons in their movements. The connecting-plates c are carved on their outer edges to coincide with the curve of the adjacent side of t he cylindrical groove G, along the line of the greatest circumference of the said groove. It follows from this that the convex sides of the connecting-plates will not fit in any other position in the grooves Gr than that in which they are represented in the drawings. The said plates extend along the said pistons and their guides in the line of their diameters, but do .not reach clear across the same, thus allowing room for-the. protruding ends of the bolts i and j to enter between the guides f and their respective pistons, as hereinafter explained.
It will be observed that one bolt, designated j, slides in a receptacle made for it in the half A of the disk of the engine, and that consequently it revolves with-it, whereas the bolt 5, sliding in a,receptacle in the fixed centerpiece, B, has no motion save a longitudinal motion in the receptacle. When the end of the bolt i is protruded into the steam-space G it remains there until the bent part h of the grooved comes round to the place-of the bolt, when its pin e is pulled inward, thereby causing the bolt to be widthdrawn from the space G. At this time the like change has already taken place in the position of theboltj. When thatbolt is protruded into'the space G, and is engaged with one of the pistons in the manner shown in Fig. 1, it causes any motion given to that piston by the pressure of steam to be im-v parted to the disk or. cylinder A A. While such motion is taking place the other piston remains locked in -the position shown in Fig. 1,
. midway'between the steam-portP and exhaustpart g of the groove a, and the moving piston is allowed tocome up to the other piston, both of which are'then held stationary by the locking-bolt 1' until the bolt j has moved beyond the bend y, when it will be projected outward so as to engage the stationarypiston, 'andthe bolti will be at that time withdrawn by means ofthe 'bend'h of groove (1. The pistons are then--that is, when the bolt 2' is withdrawnfree to move onward toward the left with the revolving disk or cylinder which incloses them, and they are so moved by means of the frictional contact between the packed edges of the said pistons and the sides of the cylindricalspace G. This motion of both pistons o'ontinnes until the bend It has returned the 'bolti to its former advanced position in the space Gr,
so as to engage that piston F which is toward the'right, and which piston is thereby locked so as to remain stationary between the steam and exhaust ports, whilethe other piston, having been during. this change driven by the frictional contactof the disk or cylinder beyond the steam-port, will now receive the pressure of steam and cause the cylinder to revolve, as before explained of the other piston. So soon as the piston to the left has pased the steamport and engaged the bolt j the further revolution of the disk causes the valve D to pass the steam-opening of the passage 0 and the steam will be allowed-to enter behind said piston and drive it, and consequently the disk, around the shaft 0 and center piece, B, and thereby complete another revolution of the engine. The changes in the positions of the pistons are etiected'by means of the momentum'ot the disk, since at the time they are a'ciually 0c;
curring the suppl y of steam is shut on from the engine.
What I claim as new, and desire to secure by Letters Patent, is
1. In rotary engines, the combination of the fixed hollow shaft 0 and fixed. center piece, B,
with the rotating disk A A and independent,
pistons F F, substantially as described.
2. Constructing the pistons F, in the inan- I" ls,
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909162A (en) * 1970-12-03 1975-09-30 Ata Nutku Toroidal chamber rotating piston machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909162A (en) * 1970-12-03 1975-09-30 Ata Nutku Toroidal chamber rotating piston machine

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