US155385A - Improvement in lubricators - Google Patents

Description

. UNITED .STATES PATENT OFFICE.

LOUISA PEARSON, OF MANCHESTER, GREAT BRITAIN, ADMIN ISTRATRIX OF THOMAS C. PEARSON, DECEASED.

IMPROVEMENT IN LUBRICATORS.

Specification forming part of Letters Patent No. 155,385, dated September 29, 1874; application filed September 22, 1873.

To all whom it may concern:

Be it known that THOMAS CHAR-Lies PEAR- soN, deceased, late of Openshaw, near Manchester, Kingdom of Great Britain and Ireland, invented certain Improvements in Lubricators, of which the following is a specification: l The object of this invention is the construction of a simple form of lubricator, capable of being used to regulate the supply of the lubricating material by turning a handle, which can be set to the greatest nicety, or to supply the lubricating material on the well known displacement principle; this improved lubricator having no loose part or cover necessary to be removed in order to charge it with the lubricating material, and the ordinary cock or valve communicating with the outside, for the discharge of the condensed water, being also dispensed with.

Figure 1 is an outside view, and Fig. 2 a sectional view, of a lubricator constructed according to this invention.

In Figs. l and 2, A is the body of the lubricator, (hereinaftercalled the globe,) shown of a spherical form, but which may be varied in shape, according to taste. Upon the top of this globe A is screwed a funnel or cup, B, having holes C at the bottom, communicating with the interior of the globe A, into one of which holes is screwed a tube, D, which allows for the escape of the air while the globe is being filled. Into the bottom part of this funnel or cup B is screwed a valve-seating, E, from which depends a stationary nut, F, supported by the straps G G. H is a handle screwed through the center of the funnel or cup B, and having at its lower extremity an annular valve, I, which closes the orice J, formed through the valve-seating E. Through the center of this handle passes a spindle, K, workin g through the stuffing-box L, and which spindle is actuated by the handle M, and is screwed through the nut F, as illustrated. 1n this spindle is formed a passage, N, communieating withthe-chamber O (situated at the lower part of the globe A, and communicating therewith through the neck P) through the side passage Q, and with the interior of the globe through the side passage It. At the bottom of this hollow spindle is also formed a double valve, marked S and T, the valve S closing the communication between the globe and chamber O by being screwed up to the valve-seating U, and the valve T closing the communication between the lubricator and the passage V, leading to the steam-pipe, cylinder, or other vessel to be lubricated, by being screwed down upon the valve-seating W.

The action of this lubricator is as follows: When it becomes necessary to lill the globe A, the handle M is screwed down so asl to cause the valve T to close the passage V, leading to thesteam-pipe, cylinder, or other vessel to be lubricated. The handle H is then unscrewed a few turns, thus raising the annular valve I oft its seating F, when the lubricating material may be introduced into the funnel or cup B, and will find its way into the globe A through the holes C and oriiice J, the air escaping through the tube D. The handle H now being screwed down again so as to close the annular valve I, the lubricator is ready for action, and if it be necessary to supply a quantity of the lubricating material at once, all that is requisite is to unscrew the handle M, so as to place the double valve S T midway between the two valve-seatin gs U and W, when the lubricating material will fiow freely down the passage V. If, however, it is required to regulate the supply of the lubricating material, this is accolnplished by adjusting the distance of the valve T oli' its seating W by means of the handle M. Again, if the lubricator-is required to ibe used on the displacement principle, the handle M should be nnscrewed until the valve S is closed against its seating U, as seen in Fig. 2, when the steam will enter the globe. A from the chamber O through the passages in the hollow spindle, and such steam becoming condensed in the globe A, the lubricating material therein contained will be caused to float on the surface of the condensed water, and thus ind its way through the upper side passage R into the passage N, and out through the side passage Q into the chamber O, from whence it will descend down the passage W. To remove the condensed water out of the globe A, it is only necessary to open the valve S,

when it will escape through the chamber O and passage W through the steam-pipe, cylinder, or other vessel being lubricated. It will thus be seen that this lubricator may be charged with lubricating material when the steam-pressureison,andthiswithoutremovng anyloose part or cover, and also Without the use of an outside cock or Valve at the bottom,

which is always liable to leakage; and, further,

that such lubricator may be used as a` regulator or upon the displacement principle.

I claim- The hollow. spindle N, constructed With side passages R and O', .and double valveS 'l at its extremity, working in the chamber O between the two valve-seatings U and W, as and for the purposes described.

LOUISA PEARSON, Admwistmtrix of the estate of Thomas Charles Pearson, deceased.

Witnesses:

WILLIAM RIGBY LAWRENCE, J oHN J. ROYLE.

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