US533370A

US533370A - Lubricator

Info

Publication number: US533370A
Authority: US
Publication date: 1895-01-29
Anticipated expiration: 1912-01-29

Description

(No Model.) -2 Sheets-Sheet 1. E. C. PARKER.

` VLUBRIGATQR. N0. 533,370. Patented Jan. 29, 1895. 1 /5J .2557er Brief.

PATENT EETEE.

EDGAR C. PARKER, OF ST. LOUIS, MISSOURI.

LUBRICATOR.

SPECIFICATION forming part of Letters Patent No. 533,370, dated January 29, 1895.

Application filed March 24, 1894.

' the @ity of si. Louis, in the state of Missouri,

have invented a certain new and useful Improvement in Automatic Feed-Lubricators, of which the following is a full, clear, and exact description, reference being'had to the accompanying drawings, forming part of this `specilication.

This invention has for its object to provide a feed lubricator, more especially adapted to the use of graphite, which shall be perfectly automatic in its action, and also perfectly constant, feeding a definite amount of the lubricating material when the engine is being operated, and ceasing entirely to feed when the engine is stopped. This feed lubricator can be used with oil or graphite, and in either case is entirely positive in its action, depending entirely on mechanical means instead of on the consistency of the lubricator itself, to regulate the quantity fed into the engine.

My invention consists in features of novelty hereinafter fully described and pointed out in the claims.

Referring to the drawings, Figure I is a front view, showing a part of the steam cylinder in section. Fig. II is a side View, showing the upper part of the reservoir in section. Fig. III is a top view of the lubricator, showing the cover of the reservoir removed. Fig. IV is -a cross section through the feed cylinder, taken on line-IV-IV, Fig. V. Fig. V is a longitudinal section through the feed cylinder, taken on line V-V, of Fig. IV. Fig. VI is a detail view of the pawl and its connection to the piston rod. Fig. VII is a front View of the lubricator, showing the method of attaching to an engine.

Referring to the drawings, 1 is the reservoir, which contains the lubricator. This reservoir is provided with a suitable cover 2, and the lower end terminates in a funnel shaped part 3, which leads into a feed pipe 4, which connects with the steam inlet pipe or cylinder of the engine, as the case may be. Through this feed pipe 4, and intersecting it, is a horizontal, cylindrically shaped valve chamber 5, which is closed at one end. Into this valve chamber there is accurately fitted a cylindrical plug 6, which is intended to revolve around vin the valve chamber 5. The plug 6 is pro- Serial No. 505,031. (No model.)

vided with a stem 7, which extends out of the valve chamber 5, through a stuffing box 8, which closes the other end of the cylinder 5. In the surface of the plug 6 there is excavated a pocket 9, so located that when the plug 6 is revolved, the pocket 9 will alternately face the opening of the pipe 4 leading from the reservoir 1, and the opening of the pipe 4, leading to the engine.

The operation of this lubricator consists simply in revolving this plug 6 so that when the pocket 9 faces the opening from the reservoir 1, it will be lled with .the lubricating material. Upon being revolved around until the pocket 9 faces the other opening in the pipe 4, this lubricating material will be discharged, and flow into the engine. The mechanical device for revolving the plug 6 consists essentiallyin a ratchet wheel l0, placed upon the stem 7 of the plug 6, and a small steam cylinder for operating a pawl, which engages the ratchet wheel 10. The ratchet wheel 10 being mounted securely on the stem 7, has loosely mounted on its hub a lever 11,

vwhich extends out beyond the perimeter of the ratchet wheel 10. This lever 11 carries a small pawl 12, which engages the teeth of the ratchet and is held in contact with them by the spring 13. y

Secured to the reservoir lisa vertical steam cylinder 14, provided with a piston and piston rod 15',` which extends out through astuifing box 16 at the lower end of the steam cylinder 14. A guide 17 secured to the feed pipe 4 provides another bearing point for the piston rod 15. a thread turned on its lower extremity, and a nut 18 placed above the guide 17 can be so regulated as to determine the extent of the downward thrust of the piston rod 15. A similar nut 19 placed below the guide 17, limits the upward thrust of the piston rod 15. A coil spring 2O is placed around the piston rod 15, and bearing against the under side of the guide 17, and the upper side of the nut 19, holds the piston rod 15 normally at its lowest position. The piston rod 15 is connected to the lever ll by a short pitman 2l, so that every stroke of the piston rod 15 will oscillate the lever 11. With every oscillation of the lever 11, the ratchet wheel 10 will be revolved a fraction of a revolution. Since the length of This piston rod 15 is made with IOO the stroke of the piston rod 15 can be adjusted by the

nuts

18 and 19, thelength ofthe oscillation of the lever 11 can be lengthened or shortened so as to cover a greater or less number of the teeth of the ratchet wheel 10; in this way requiring a greater or less number of the strokes of the piston rod 15 to accomplish an entire revolution of the plug 6. The stroke of the piston rod 15 depends for its movement upon the pressure of steam exerted under its lower surface, and this is acquired through the medium or" a pipe 22 connecting the lower end of the steam cylinder 14 with one end of the en gine cylinder, so that when the live steam enters the engine cylinder, the pressure is exerted at the same time at the lower end of the small steam cylinder 14. This raises the piston rod 15. 'When the same end of the engine cylinder is exhausting, the pressure in the lower end of the cylinder 14 is relieved, and the spring 2O draws the piston rod 15 down to its lower position; in this way making the piston rod operate simultaneously with the stroke of the engine to which the lubricator is attached.

Instead of the spring 2O operating to draw the piston rod 15 down to its lowest position, the upper end of the cylinder 14 may be connected to the other end of the engine cylinder by a pipe similar to that connecting the lower end. This is indicated in Fig. VII of the drawings, by the dotted line 23, in this way making the stroke of the piston rod 15 not dependent on any means other than the steam pressure in the engine cylinder.

An advantage of this lubricator over the majority of automatic feed lubricators consists in the fact that the instant the engine to which it is attached is stopped, the lubricator ceases to feed.

I claim as my invention- 1. The combination, in an automatic feed lubricator, of the reservoir 1, the valve-chamber 5 provided with the revolving plug 6 having one or more pockets 9, the ratchet-wheel 10 and pawl 12 for revolving the plug 6, and the steam cylinder 14, one end of which is connectedto one end of thevengine cylinder by the pipe 22 and the other end of the cylinder 14 being connected to the other end of the engine cylinder by the pipe 23, so that the piston in the cylinder 14 will move in unison with the engine piston, and the piston rod 15 connected to operate the pawl 12 on the Aratchetwheel 10; substantially as described.

2. The combination, in an automatic feed lubricator, of the reservoir 1, the revolving plug 6 having one or more pockets 9 in the valve-chamber 5, the ratchet-wheel 10 and -pawl 12 for revolving the plug 6, and the steam cylinder 14 connected to one end of the engine cylinder and provided. with the piston-rod 15, and coil spring 2O for operating the pawl 12 on the ratchet-wheel 10; substantially as described.

EDGAR C. PARKER.

In presence of- HALooLM G. ELLIS, C. G. EDWARDS.