US632073A

US632073A - Rotary engine.

Info

Publication number: US632073A
Application number: US71803799A
Authority: US
Inventors: Richard Toennes
Original assignee: Individual
Current assignee: Individual
Priority date: 1899-05-24
Filing date: 1899-05-24
Publication date: 1899-08-29
Anticipated expiration: 1916-08-29

Description

Patented Aug. 29, |899. R. TUENNE'S.

ROTARY ENGINE.

(Application led May 24, 189B.)

2 Sheets-Sheet (No Model.)

lll IHM iw i /NVENTOR THE NUHRIS PEYRS CD. PNUYOLITMD. WASHINGYON, Elv r I Patented Aug. 297 |899.

2 Sheets-Shut 2 R. TOENNES.

ROTARY ENGINE.

(Application filed May 24, 1899.)

A TTOHNE YS /N VEN TOE W/TNESSES NITED STATES PATENT Ormes.

RICHARD TOENNES, OF BOONJVILLE, MISSOURI.

ROTARY ENG'IN E.

SECIICATIN :forming part of Letters Patent No. 632,073, dated August 29, 1899.

Application tiled May 24, 1899. Serial No. 718,037. (No model.)

To all whom may concern:

Be it known that I, RICHARD ToENNEs, of Boonville, in the county of Cooper and State of Missouri, have invented a new and improved Rotary Engine, of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and improved rotary engine which is simple and durable in construction, very effective in operation, arranged to utilize the motive agent expansively to the fullest advantage, and to allow of convenient reversing whenever desired.

The invention consists of novel features and parts and combinations of the same, as will be fully described hereinafter and then pointed out in the claims.

A practical embodiment of my invention is represented in the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure 1 is a rear elevation of the improvenient with part of the cover removed. Fig. 2 is a transverse section of the same on the line 2 2 in Fig. 1. Fig. 3 is a sectional front elevation of the same. Fig. 4: is a sectional plan view of the piston on the line 4 4 in Fig. 3. Fig. 5 is an end elevation of the same, and Fig. G is a face View of the reversingvalve.

The improved rotary engine is provided with a cylinder A, in which is mounted eccentrically a piston B, provided with a springpressed slidable piston-head C and secured on the main or driving shaft D, extending through the front cover A' of the cylinder to be journaled in suitable outside bearings (not shown) and to be connected with the machinery to be driven either by the usual pulley and belt or other connection.

In the rear of the cylinder A is formed a steam-chest E, connected by a pipe E' with a suitable source of motive-agent su pply-such as steam, compressed air, or other fluidunder pressure-and this steam-chest E is connected by two ports aand b with the inside of the cylinder A at the opposite sides of a spring-pressed packing F, set in the bottom of the cylinder and in contact at all times with the peripheral surface of the piston. The

ports a and o are controlled by a reversing versin g slide-valve H to an intermediate po- Y sition neither of the ports c or d registers with its corresponding port a or b, and the steam is shut off from the cylinder. The slide-valve H is provided with a stem Il', extending through a stufling-box on one side of the chest E to connect at its outer end with the lower end of a leve1 l under control of the operator and having a pointer l indicating on a segment J for holding the said valve H in a closed positionthat is, its ports c and d out of register with the ports o and b-or to connect either of said ports c or d with its corresponding port a or b fully, three-fourths, half, or only one-fourth to admit more or less steam, as desired-that is, to allow a sooner or later cut-off of the motive agent for expansion pui"- poses, Whether the engine is running forward or in a reverse direction.

On the inner face of the valve H, between the ports c and d, is formed a cavity f for connecting either of the ports a and b with the exhaust-port g,leading to the exhaust-pipe L. When the port cis in register With the port a, then the cavityf connects the port b with the exhaust-port g, and when the port d is in register with the port b the cavity f connects the port a with the exhaust-port g.

On the face of the slide-valve H oscillates a valve K, having a port e adapted to open or close the corresponding port c or d for the admission of steam to the cylinder A, and said oscillating valve K is hung on a stud K, mounted in the top of the cylinder A, and the said valve K is provided with an elongated slot K2, in which works an eccentric disk N, to impart a swinging motion to the valve K to bring its port e in `or out of register With the port c or d active at the time to admit steam to either side of the cylinder A by either of the ports a or b. The eccentric disk N is secured on the driving-shaft extension D', so that when the machine is in operation and the piston Bis revolving the desired motion is IOO given to the oscillating valve K for the purpose mentioned.

The piston-head C is provided with ashank litt-ed in a slot B, formed diametrically in the piston B, and this shank is made in sections C C2, each consisting of two plates C3 C4, pressed apart by a spring C5, (see Fig. 4,) and the plates of the two shank-sections break joints, as will be readily understood by reference to said Fig. 4:. The inner end of the shank rests on a spring C, preferably of compound elliptical leat1 form, as indicated in Fig. 4, and the outer end ot' said shank is formed into a transversely-extending pivot C7, on which is mounted to rock a head C8, made in sections C9 C10, of which the section C9 has a tongue C11 slidably engaging a groove in the other head-section C10 and pressed apart by springs C12, so as to firmly t on the heads of the cylinder A the same as the plates C3 C4, which are pressed outward by the action of their springs C5 to bring the outer edges of the shank in firm engagement with the heads of the cylinder and insure proper packing to prevent leakage of steam from one side of the head to the other. Packingrings P are held in the cylinder-back and in the head A' of the cylinder to engage the faces of the piston B to prevent leakage of steam to the bearings for the shaft D. (See Fig 2.)

The outer end of the slot B is sufliciently enlarged to receive the head Cs at the time the latter passes the packing F.

The operation is as follows: Then the several parts are in the position illustrated in the drawings, then the motive agent in the steam-chest E can pass through the registering ports e, CZ, and b into the cylinder A at the right-hand side of the abutment to act on the piston-head C and turn the piston B in the direction of the arrow a'. (See Fig. 3.) As the shaft D is rotated a rocking motion is given to the valve K, so that the latter finally cuts off the motive agent from the ports d and b to allow the motive agent in the cylinder to expand to the desired degree. The port e again moves in register with the ports CZ and b, so that the motive agent is again admitted to the cylinder to give another impulse to the piston in the manner above described. Then it is desired to reverse the engine, the operatorsimply swings the lever I over tothe opposite side to move the ports d and ZJ out of register and the ports d and c in register. The motive agent from the chest E now passes, by way of the port e and the registering ports a and c, into the cylinder at the left-hand side of the abutment F to rotate the piston B in the inverse direction of the arrow a'. The exhaust now takes place through the port 79, cavityf, exhaust-port g, and exhaust-pipe L.

From the foregoing it is evident that the engine is very simple and durable in construction, is not liable to get out of order, and permits the operator to quickly reverse the engine whenever desired.

Having thus fully described my invention,

I claim as new and desire to secure by Letters Patent- 1. A rotary engine, comprising a cylinder, a piston mounted eccentrieally therein and provided with a spring-pressed piston-head in contact with the inner surface of the cylinder, a steam-chest at one end of the cylinder and connected with a motive-agent supply, and by inlet-ports with said cylinder at opposite sides of the point of contact between the piston and cylinder, a reversing-Valve under control of the operator and movable in said steam-chest, and adapted to open or close either or both of said inlet-ports, and a rockvalve driven from the piston-shaft and adapted to alternately register with ports in said reversing-valve, substantially as shown and described.

2. AA rotary engine, comprising a cylinder, a piston mounted eccentrieally therein and provided with a spring-pressed piston-head in frictional con tact with the inner surface of the cylinder, a steam-chest at one end of said cylinder and connected with a motive-agent supply and by inlet-ports with said cylinder, a reversing-valve under control of the operator, and movable in said steam-chest and adapted to open or close either of said inletports, a rock-valve operating over said slidevalve and having a single port adapted to register with the registering ports of the reversing-valve and the cylinder-ports, and means for imparting a rocking motion to said rock-valve, substantially as shown and described.

3. A rotary engine, comprising a cylinder, a piston mounted eccentrieally therein and provided with a spring-pressed piston-head in frictional contact with the inner surface of the cylinder, a steam-chest at one end of said cylinder and connected with a motiveagent supply and by inlet-ports with said cylinder, a reversing-valve under control of the operator, and movable in said steam-chest and adapted to open or close either of said inlet-ports and connect the same With the eX- hanst, a rock-valve operating over said slidevalve and having a single port adapted to register with the registering ports of the reversing-valve and the cylinder-ports, and means for imparting a rocking motion to said rock-valve, substantially as shown and described.

4. A rotary engine, comprising a cylinder, a piston mounted eccentrieally therein and provided with a spring-pressed piston-head in frictional contact with the inner surface ot' the cylinder, a steam-chest at one end oi' the cylinder and connected with a motiveagent supply, and by inlet-ports with said cylinder at opposite sides of the point of contact between the cylinder and the piston, a reversing-valve under control of the Operator and movable in said steam-chest, and adapted to open or close either or both of said inlet-ports and connect the same with the exhaust, a rockvalve driven from the piston-shaft and adapt IOO IXO

ed to alternately register with ports on said reversing-valve, and means, 'substantially as described, for shifting the said reversin g-valve for reversing or stopping purposes, as set forth.

5. A rotary engine, provided with a piston having a slot, a compound leaf-spring in the bottom of said slot, a piston-head in said slot and pressed on by said spring, said pistonhead consisting of a shank made in parts or sections breaking joints and formed at its outer end With a pivot, and a head mounted to rock on said pivot and made in sections breaking joints, substantially as shown and described.

6. A rotary engine provided with a piston having a slot, a compound leaf-spring in the bottom of said slot, a piston-head in said slot and pressed on by said spring, said pistonhead consisting of a shank made in parts or sections breaking joints and formed at its outer end With a pivot, and a head mounted to rock on said pivot and made in sections breaking joints, said shank and head sections being pressed apart by springs, as set forth.

7. A rotary engine having two main ports adapted to be used, one as a supply-port and the other as an exhaust-port, and reversed in function when the engine is reversed, superl imposed reversing and cut-off valves, the cutoff valve having a pivoting-arm extending across the engine-shaft and provided with a yoke surrounding the said shaft, and an eccentric upon the shaft engaging the sides of the yoke to swing the valve, substantially as described.

S. A rotary engine having tWo main ports adapted to be used, one as a supply-port, and the other as an exhaust-port, and reversed in function when the engine is reversed, said engine also having an exhaust-port independent of the main ports, a reversing-valve bearing upon the valve-seat and covering said ports, said re versing-valve having two th ron gh steam-ports, and an exhaust recess or port on one side adapted, as the valve is shifted, to connect either main port with the exhaust port, the cut-off valve moving upon the re versing-valve and having a pivoting-arm eXi tending across the engine-shaft and provided with a yoke surrounding said shaft, a fixed pivot for the end of said arm, and an eccentric upon the shaft engaging said yoke to swing the valve, substantially as described.

RICHARD TGENNES.

Witnesses:

WILL S. BECKETT, E. A. ECKHARD.