US253199A - William e - Google Patents

Description

(No Model.)

W. E. GOOD.

REVERSING APPARATUS FOR STEAM ENGINES. No. 253,199. Patented Feb. 7,1882.

N. PETERS Phokolllhogmphcr, Washinglan. D,C

'NTITED STATES PATE T FFICE.

WILLIAM E. GOOD, OF READING, PENNSYLVANIA.

REVERSING APPARATUS FOR STEAM-ENGINES.

SPECIFICATION forming part of Letters Patent No. 253,199, dated February '7, 1882.

Application filed November 21, 1881. (No model.)

To all whom it may concern:

Be it known that I, WILLIAM E. GOOD, of the city of Reading, county of Berks, State of Pennsylvania, have invented a new and useful Improvement in Reversing Apparatus for L0- comotive and other Engines, of which the following is a specification.

This improvement relates to that class of locomotive, stationary, and other steam-engines which are provided with a valve-gear adapted to move the same in a forward or backward direction, and is intended to give relief to the engineer and positiveness to the movement of the reversing-lever.

The drawing herewith is a general elevation,

sectional in part, representing my improvement, in which- Arepresentsasteam-cylinder; A',acataractcylinder filled with air, oil, water, or other suitable material, or its equivalent, the purpose of which is to control themovement of the piston B and, under suitable conditions, to arrest the movement of the same.

13 and B are pistons connected together by the piston-rods G O, and with the arm D at D by a mortise, O

Steam is delivered to the cylinder A by the oscillating valve E or its equivalent, the valveseat of which is provided with two induction and one exhaust port.

The cylinder A is provided with two passages, a and a leading from opposite ends of the cylinder to the valve-box, which is provided with an oscillating valve, E, or its equivalent. The valves E E are connected by arms on their spindles to the valve-rod E This rod is operated by the lever F, being connected thereto at 1?, the opposite end, F, being connected to the arm D by a link, D Intermediate between F and F, at such point as will give the desired movementto the valve-rod C G, I attach a link, G, by a pin, F to the lever F, said link being also connected to a lever, H, or its equivalent, of the engine. At the point D of the arm D provision is made for a free yet positive movement of the arm D between the ends of the mortise O in the rod 0 O.

h 71/, in dotted lines, indicate the forward and backward movement of the lever H orits equivalent, while cl d indicate by dotted lines a corresponding movement of the arm D.

When thelever H is moved toward h a movement will be communicated through the link G to the lever F, thence through the valverod E to the valve E, by which movement steam-pressure is admitted into the cylinder A by the port a, and will drive the piston B toward b simultaneously with the movement of the valve E. By .the direct connection ofthe rod E therewith there will be a corresponding movement of the valve E, by which comin unication will be opened between the ends of the cylinder Aby the ports a and a thus per mitting the contents of the cylinder A to pass with a limited velocity from one end of the cylinder to the other. The movement of the pistons B and B, attached to the arm D by means of the rods 0 O and mortise 0 will continue so long as steam under pressure is admitted by the valve E into the cylinder A through the port a, and until the motion of the lever-H is arrested. When the said lever H is arrested in its movement toward h, then will the point F (which had been moving towardf) become for that interval of time a fixed point, and the still continued movement of the arm D toward at will move the lever F by its'connecting-link D and thus cause the steam-valve E to close over the port a, and the valve E to close over the port a by which the movementof the arm D toward (1 is arrested, and the position of the arm D at (I will be maintained so long as the lever H occupies its position at h. of motions, when the leverHis moved toward h and arrested at that point, then will the arm D be arrested at d, the movement of the valves E and through the rod E and leverF having operated in the reverse direction to that described, and opened and closed the ports a and a of the respective cylinders A and A.

The office otthe cylinder A,\vith its contents or theequivalent therefor, is to providea suit- .able frictional resistance to the movement of the piston-rod 0, so that the movement of said rod maybe adjusted to such speed or velocity as may bemost advantageous to the operation of the machine.

If, from leakage or any other cause,the movement of pistons B B, rods 0 G, and arm D should continue after the lever H had been thrown into position, then will the continued movement of arm D, throughthe link D and By a parity fulcrum F of rod G, reverse the movement of lever F, rod E and valves E E, and thus, admitting steam to the opposite side of piston B, will arrest the further movement of the arm D.

Having described my invention and its mode of operation, I desire to secure by Letters Patent the following claims.

1. In a steam or automatic reversing device, the lever F, in combination with the valve E of the cylinder A, valve rod E link D and arm D, as shown, and for the purpose specified.

2. The lever F, connected as shown, whereby the joints F, F and F automatically become the fulcrum-points of movement, in combination with the valves E E, cylinders A A,

WILLIAM E. GOOD.

\Vi tnesses:

SAMUEL T. P. KINSEY, WILLIAM L. GRAUL.

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