US44325A - Improvement in governors - Google Patents

Description

PATENT raten..

PETER LOUIS, OF NEW YORK, N. Y.

IMPROVEMENT IN GOVERNOPLS.

Specification forming part of Lctters Patent No. 14,325, dated September 20, 1864.

T0 aZZ whom it may concern.- y

Be it known that I, PETER LOUIS, of the city, county, and State of New York, have invented a new and Improved Governor; and I do hereby decla-re that the following is a full, clear, and Aexact description thereof, which will enable others skilled in the art to make and use the saine, reference being had to the accompanying drawings, forming part of this specification, in which- Fi gure 1 representsasectional side elevation of this invention. Fig. 2 is a horizontal section of the same, taken in the plane indicated by the line a"- x, Fig. l.

Similar letters of reference indicate like parts.

This invention consistsin combining the rod which opens and closes the governor orthrottle valve, or which bears a similar relation to the 'source of power and parts to transmit said power to the working machines, with a spring and with a iiy-wheel to which an intermittent rotary motion is imparted in such a manner that when the intervals characterizing the intermittent motion arelon g, and consequently the motion of the fly-wheel slow, the spring has power enough to overcome the momentum of the ily-wheel and to carry the valve-rod back to its original position after each stroke or motion of the fly-wheel; but it' the intervals characterizing the intermittent motion of the fly-wheel shorten, and in consequence thereotl the circumferential velocity of the iiy-wheel increases, the momentum ot'thetly-wheel overcomes the power of the spring and the valverod moves back, s0 as to close the valve and regulate the speed ot' the engine or other machine with the greatest nicety and entirely independent of the position of the governor, rendering the same ot' peculiar value for the purpose of regulating the speed of marine engines.

A represents a valve-rod, which is tted in a horizontal or any other convenient position in a socket, a, in the upper or outer end of ansources of power, andv in these cases the rod A has to connect either to the brake or to the device for changing the position ot' the sails,

or to the gate, or, in short, to that part which bears the same relation to the working parts of the machine as the throttle-valve does toward the piston of a steam engine. A spring, O, which is placed on the rod A, or bears on it in vany other convenient manner, has a tendency to throw the same in the direction ot' the arrow marked near it in Fig. l, and to open the valve, and the rear end of said rod forms a toothed rack, o, which gears in a toothed segment or wheel, d. This segment is firmly keyed to a shaft, e, and it gears in a pinion, j', on a shaft, g, which bears the fly-wheel D.

E is a pulley or drum, which is mounted 0n the shatt e, and to which anintermittent rotary motion is imparted by the action ot' a dog, h. This dog is hinged to a pivot, i, which has its bearings in a strap, j, that straddles the pulley E and is suspended from the shaft e. The npper surface of said dog is so adjusted in relation to the periphery of the drum E that by swing ing it backward, in the direction ofthe arrow marked on it in Fig. l, its edge lis pressed np against the periphery ofthe drum and the two are rendered rigid, and by moving it in the opposite direction it releases the drum. The lower end of the dog is pivoted to the end of a rod, k, to which a reciprocating motion is imparted by a bell-crank, kf, so slotted and curved as to give a forward motion to the dog at each stroke either in or out of the piston, or by any other suitable connections from the rock-shaft or any other suitable part of' the engine. I t' the rod 7c moves in the direction ot' the arrow marked thereon in Fig. l, the edge lof the dog` is pressed up against the periphery of the drum, and as the motion otl the rod proceeds the drum is caused to rotate in the direction ot the arrow marked on it in Fig. 1, and by this motion the ily wheel D is rotated and the valverod A moved in the direction ot' the arrow marked thereon. As the rod lo recedes, thedog releases the drum and the spi ing C carries the rod A, ily-wheel D, and drum E back to their originalposition; but it' the inotion of the rod k is rapid the momentum ot'the ily-wheel imparted to it by its rotary motion increases and overbalances the power of the spring, preventing the same from turning the drum E back to its original position before the dog takes afresh hold of its periphery, and by a few rapid strokes of the rod 7c the valve-rod A is drawn in as far as the spring C will allow7 and the Valve is closed. As soon as this takes place, the speed of the engine, and consequently that of the rod k, relaxes, andthe momentum of the y-wheel D is spent before the dog takes a i'reshhold of the drum, so as to allow the spring C to act and to carry said drum back to its original position. The valve opens again, and the motion becomes uniform andthe valve oscillates back and forward with each stroke.

This governor works independent of the posi tion of the ily-Wheel or any other part, and it ls therefore particularly applicable as a marine lgovernor.

It is obvious that the mechanism hereinbelore described for imparting an intermittent notion to the valve-rod A and iiy-Wheel l) nay be changed in Various Ways without inerfering with or changing the result, and I PETER LOUIS.

`Wit nesses:

THEO. TUscH, WILLIAM TREURIN.

Images