US754153A - Rotary engine. - Google Patents

Description

No. 754,153. PATENTED MAR. 8, 1904.

c. MAQARTHUR & F. SMITH.

ROTARY ENGINE.

APPLIOATION FILED FEB. 12, 1903.

N0 MODEL. 2 sums-sum 1.

(9.9 M. z wme No. 754,153. v- PATENTED MAR. 8,1904.

0. MmARTHURKz E. SMITH.

ROTARY ENGINE.

7 APPLICATION FILED FEB. 12, 1903.

N0 MODEL. 2 SHEETS-SHEET 2.

THE Norms PETERS co, Pno'rauwm WASHINGTON. n. c.

UNITED STATES Patented march 8, 1904.

PATENT OFFICE.

ROTARY ENGINE.

SPECIFICATION forming part of Letters Patent No. 754,153, dated March 8, 1904.

Application filed February 12, 1903. Serial No. 143,140. (No model.) i

To all whom it may concern:

Be it known that W8,0HRISTOPHER MAoAR- THUR and FRANK SMITH, subjects of the King of England, and residents of Woolston, near Southampton, England, have invented certain new and useful Improvements in Rotary Engines,of which the following is a specification.

This invention relates to the admission and reversing valves of high-speed rotary engines, especially adapted for propelling vessels, but also for any other suitable purpose.

In the annexed drawings,Figure 1 is a vertical section of part of such an engine, and Fig. 2 a half end elevation and half cross-section thereof.

The invention relates to a partially-rotary valve to for the admission of the motive fluid to the cylinder 00 in conjunction with a partially-rotary sleeve 6. The valve 60 is provided with an inlet-port u of such width that it is always open to the motive-fluid inlet 1) throughout the different positions of the valve. The valve a has also three outlet-ports'o d e, the ports a and 0 being equally spaced from the port cl and corresponding with the space between the entrances of the two passage-ways j, leading to the cylinder 00,.one of these passage-ways 1' being for use with the forward travel of the rotary piston y and the other passage-way z for use with reverse travel of said piston y.

The sleeveb has an inlet-port Z of such width that it is always open to the motive-fluid inlet in the difierent positions given to the sleeve 1).

The sleeve 6 has also a port is so placed that it may be made to coincide with either passage '5 or according as the sleeve Z2 is moved by means of the handle f to the one or other end position thereof.

The port k is so shaped that it may be used for throttling the motive fluid more or less as required.

If the sleeve 12 is placed as in the drawings,

Fig. 1, the admission of fluid to the cylinder w takes place by passage alternately by the valve-ports ol 6 when the valve (4 is rocked by its lever 10, rod 0 and eccentric-strap 17. working on an eccentric on the main shaft m. By moving the sleeve Z) to the other end position admission to the cylinder 00 takes place by passage 2' alternately through the valve-ports o d.

Means of adjustment between the link 19 and rod 0 may be provided for the purpose of varying the cut-off according to requirements-for instance, by pivoting said rod in a block r,sliding in a slot q in the link and provided with a screw 8, adapted to act on said block.

We declare that What we claim is In a rotary engine the combination of a cylinder a; and valve-casing having alternative admission-passages if leading from said valvechamber to cylinder for forward and reverse travel respectively, a reciprocatory valve having ports 0 d e, said ports 0 e being spaced at equal distance from said port 03, said distance corresponding to that between passages d j and a reciprocating reversing-Valve I) having a port is and means for adjusting the valve 6 so that said port cooperates alternatively with passage 7 or j for the purpose set forth.

In witness whereof we have signed this specification in the presence of two witnesses.

Witnesses:

RIOHD. J ONES, WALTER MOULAND.

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