US895844A - Lubricator. - Google Patents

Description

- PATENTED AUG. 11, 1908. G. GOMSTOGK. LUBRIGATOR. APPLICATION FILED AUG. 14, 1907.

. 2 SHEETS-SHEET 1.;

' z vent r 672252? By his Attorney Witnesses (amstqck M PATENTED AUG. 11, 1908.

C. COMSTOCK. LUBRIGATOR. 1 APPLICATION FILED we. 14, 1907 Y 2 SHEETS-SHEET 2.

9 A hn 2 l I m wmmw IHHWV 1 1 l I I v Inventor C/zeszer [22/725230];

By his .Attorn Witnesses UNITED STATES PATENT OFFICE.

CHESTER OOMSTOOK, OF RIDGEWOOD, NEW JERSEY.

LUBRICA'IOR.

To all whom it may concern:

Be it known that I, CHESTER CoMsTocK, a citizen of the United States, residing in Ridgewood, in the county of Bergen and State of New Jersey, have invented certain new and useful Improvements in Lubricators, of which the following is a speciflcation.

This invention relates to force feed lubricators, and especially to mixing cups for such devices, wherein a non-fluid lubricant, such as graphite, or finely comminuted mica is mixed with fluid lubricants such as ordinary lubricating oil to form a fluid mixture that can be readily fed through a conduit to a bearing.

In United States Letters Patent granted to me January 24th, 1905, Nos. 780,778 and 780,779, also Patent 825,586 are shown mixing cups wherein the oil or lubricant -is caused to flow across the top of a quantity of graphite, causing the latter to mix therewith-as the oil runs off into a conduit and the mixture in fluid form is fed to the bear- .In the present invention means are provided whereby the fluid lubricant is brought into engagement, not with the top surface of a mass of graphite, but with the lower or bottom surface of the graphite, or other nonfluid lubricant, contained in a suitable receptacle. The lubricant is preferably ted in small quantities, as drop by drop, and is brought into engagement with the graphite at the bottom of the receptacle, and caused to pass along a certain portion of the graphite surface to an outlet member. During this passage, the drop or quantity of oil will cause a certain amount of graphite to be incorporated therewith, that will be carried along to the exit, and still adhere thereto when the drop is delivered to the'bearing. In such construction, which is especially designed to feed cylinders and other bearings of motors under pressure, the pressure of the delivery passage is communicated to the top of the graphite in the receptacle causing the graphite to feed down to the comparatively small or restricted opening, through which the oil passes out into the delivery passage. Such outlet in the receptacle is so small that the graphite alone will not be forced there through, because of its lack of fluidity, and

Specification of Iletters Patent.

Application filed August 14, 1907.

Patented Aug. 11, 1908.

Serial No. 388,446.

also because of the back pressure through this small opening from the cylinder that is being supplied; but such back pressure has free admission through a larger passage to the upper part of the receptacle on top ofthe graphite and will force it down into proximity to the restricted outlet opening. The admission passage for the oil that is fed under pressure, preferably from a force feed lubricator of suitable form, is preferably provided with a check-valve, so that when the pressure in the cylinder that is fed is at a maximum, there will be no return or backflow of the oil, that might cause some graphite to be forced back with it.

A further object of the invention is to provide means in the nature of a diaphragm to vary the feed of the graphite to the small restricted opening in the bottom of the graphite receptacle, whereby the proportion of graphite mixed with the oil can be varied as desired. A valve in the admission passage for the oil is provided for regulating the flow of the oil in any desired manner. It is also desirable to have an outlet in the nature of a blow-off cock adjacent the lower portion of the receptacle for the purpose of drawing off any accumulation of liquid such as water that may accumulate on top of the graphite when the lubricator is used with steam cylinders. It is also desirable to provide a cut-off valve in the delivery passage to out off the pressure from the engine, when it is desired to refill the graphite cup, or to put the device out of us In the accompanying drawing, representing embodiments of my invention, Figure 1 is a vertical axial section through the device. Fig. 2 is a vertical section taken at right angles to the section of Fig. 1. Fig. 3 is a section on the line 33 indicated in Fig. 2. Fig. 4 is a View corresponding to Fig. 3 but with the diaphragm member in another position. Fig. 5 is a transverse section e11- :larged on the line 5-5 indicated in Fig. 1. Fig. 6 is a vertical section enlarged on the line 6-6 indicated in Fig. 2. Fig. 7 is a fragmentary vertical section enlarged corresponding to the section of Fig. 2; and Fig. 8 is a view in perspective of the diaphragm member regulating the graphite supply to the outlet portion of the receptacle.

In the construction illustrated embodying my invention, a receptacle 12 is shown for containing the graphite or other non-fluid lubricant, that is provided with a removable top 13, that fits tightly to prevent escape of fluid or gas under pressure. The bottom portion or stem 14 is provided with a verti cal bore 15 that has a suitable outlet passage connecting therewith. In the construction illustrated, the outlet passage 16 is shown as forming an outlet at one side of the device,

the two passages constituting a delivery pas- The receptacle providing a clear passage of considerable area for back pressure from the engine or other place supplied with the lubricant, enabling the back pressure to act on top of the graphite in the receptacle 12 and force it downward as it is fed therefrom at the bottom. The outlet delivery passage 15 may be provided with a plug valve 20 to close the passage when desired, which may be of any convenient form. This valve will shut off the back pressure when it is desired to remove the top 13 to refill the receptacle.

One or morecomparatively small openings are provided in the tube 19 for the passage of the mixed ,oil and graphite. Three openings 21 are formed as shown in Figs. 5 and 6 lying in a transverse plane. These openings are at the lower portion of the receptacle and being very much smaller in area than' that of .the tube 19, the back pressure therethrough will prevent the graphite alone from passage through these small openings into the tube and delivery passage. But these restricted openings it will be observed, are formed in the comparatively thin wall of the tube 19, which wall separates the outlet passage through this tube from the receptacle; and hence these outlets are formed in a comparatively thin wall, and the length of the outlets is comparatively short, thereby reducing the frictional resistance to the passage of the mixed oil and graphite through these outlets into the delivery passage. These outlets are suflicient in number to provide for the required amount of the mixed oil and graphite being delivered from the device.

In the construction illustrated a recess 22 is formed in the bottom member 17, and an inlet passage 23 opens into the recess, preferably in its bottom wall. This inlet passage 23 is for the admission of the fluid lubricant under pressure, from any suitable force feed lubricator. The inlet passage 23 connects with a vertical passage 24 that connects with an inlet passage 25 in the stem portion 14.

If desired an inlet valve 26 serves to restrict passage 24, and regulate the supvply of the oil. It is also desirable to provi e a check valve in the inlet assage, so. that when the pressure in the cylinder connectlng with the delivery passage 15, attalns a maximum,

that may exceed the pressure under which valve seat 27 is provided in the passage 24 on which seats a ball valve 28 that will prevent the oil being forced back. The said constricted openings 21 in the tube 19 open into a side portion 29 of the recess 22, these openings being shown as located below the top of the bottom member 17 of the receptacle. From this construction it will be seen that the back pressure through'the delivery passage 15 into the tube 19 will force graphite in the receptacle down into the recess 22 and to the restricted outlet passages 21. The oil being forced in through the admission passage 23 will engage the bottom of the graphite in the receptacle, and being guided by the walls of the recess 22 and its side portion 29 will find exit through the restricted passages 21. But in so doing oil will flow along the bottom surface of the graphite in the recess 22, that will admix with the oil drops, and be carried by them through the .openings 21 into the tube 19. The mixed oil and graphite will thereupon be fed through the passage 15 and 16 and delivered to the cylinder or other place'to be lubricated. It is also desirable to provide'means for regulating the feed of the graphite down into the recess 22, so that the amount of graphite taken up by the oil can be varied. In the construction illustrated a member in the nature of a diaphragm is caused to shift across the top of the recess 22 thereby regulating the feed of the graphite down into the recess. A, diaphragm member 30 is shown separately in Fig.8, and has a forked portion 31 that embraces the tube 19. The diaphragm has a threaded bore 32 engaged bya screw 33 passing through the bore of a bushing 35 screwed into the side of the receptacle 12. By turning this screw the diaphragm canbe shifted from its position shown in Fig. 7 in which the recess is wholly uncovered, to the position shown in Fig. 4 in which the recess is almost entirely closed to the graphite. A cap member 36 'is shown as screwing on the bushing 35 to lock the screw 33- in adjusted position.

Where the device is used for feeding the cylinders of steam engines, there will be a condensation in the receptacle 12 that will result in accumulation of water on top of the graphite. A suitable outlet is provided for blowing off this water when desired, a blowolf cock 40 being shown having a valve 41 by which it can be opened and closed.

While this invention is primarily designed for use with the so-called force feed lubricators, that is, with lubricators where the oil is supplied under pressure from a pressure cial pressure devices, it only being necessary to supply the lubricant to the mixing chamher under suflicient pressure whereby the lu bricant or other fluid will flow into the admission passage, along the 'bottom of the graphite in the chamber, andout of the small orifice or passage, carrying the ad mixed graphite along with it. A sufficient pressure would be obtained simply by the use of a column of the lubricant or other fluid whereby a small amount of fluid pressure would be furnished] Instead of using oil or a similar lubricating fluid to admix with the graphite in the cup, any other suitable fluid medium could be employed such as glycerin or water or a saponaceous fluid.

Having described my invention I claim:

1. A mixing device for force feed lubricators, comprising a receptacle for a non-fluid lubricant, a delivery passage in the device opening into the receptacle at its upper portion, a comparatively small outlet passage at the lower portion of the receptacle leading into said delivery passage, and an admission passage for the fluid under pressure leading into the lower portion of the receptacle.

2. A mixing device for force feed lubricators, comprising a receptacle for a non-fluid lubricant, a delivery passage in the device opening into-the receptacle at its upper portion, a plurality of small outlet passages at the lower portion of the receptacle leading into said delivery passage, and an admission passage for the fluid under pressure leading into the lower portion of the receptacle.

3. A mixing device for force feed lubricators, comprising a receptacle for non-fluid lubricant, a delivery passage in the device opening into the receptacle at its upper portion, a horizontally arranged series of small outlet passages at the lower portion of the receptacle leading into said delivery passage, and an admission passage for the lubricant under pressure opening into the bottom of the receptacle.

4. A mixing device for force feed lubricators, comprising a receptacle for a non-fluid lubricant, a delivery passage in the device opening into the receptacle at its upper por tion, a comparatively small outlet passage at the lower portion of the receptacle leading into said delivery passage, an admission passage for the lubricant under pressure leading into the lower portion of the receptacle, and a check valve in the admission passage preventing outflow of the lubricant.

5. A mixing device for force feed lubricators, comprising a receptacle for a non-fluid lubricant, a delivery passage in the device opening into the receptacle at its upper portion, asmall outlet passage at the lower portion of the receptacle leading into said delivery passage, an admission passage for the lubricant under pressure leading into the lower portion of the receptacle and means in the receptacle for regulating the supply of the non-fluid lubricant accessible to the lubricant flowing from the admission passage to said small outlet passage.

6. A mixing device for force feed lubricators, comprising a receptacle for non-fluid lubricant, a delivery passage at the lower portion of the receptacle leading into said deliv ery passage, an admission passage for the lubricant under pressure opening into the bottom of the receptacle, and an adjustable diaphragm member shiftable in the lower portion of the receptacle to vary the feeding of the non-fluid lubricant to the outlet passage.

7. A mixing device for force feed lubricators comprising a receptacle for the non-fluid lubricant, a delivery passage in the device opening in the receptacle at its upper portion, the receptacle having a recess portion in its bottom member, a small outlet passage in the recess portion leading into said delivery passage, and an admission passage leading into the said recess for the lubricant under pressure.

' 8. A mixing device for force feed lubricators comprising a receptacle for the non-fluid lubricant, a delivery passage in the device opening in the receptacle at its upper portion, the receptacle having a recess portion in its bottom member, a small lateral outlet passage in the recess portion leading into said delivery passage, and an admission passage leading into the bottom of said recess for the lubricant under pressure.

9. A mixing device for force feed lubricators comprising a receptacle for the non-fluid lubricant, a delivery passage in the device opening in the receptacle at its upper portion, the receptacle having a recess portion in its bottom member, a series of small outlet passages in the recess portion leading into said delivery passage, and an admission passage leading into the said recess for the lubricant under pressure.

10. A mixing device for force feed lubrica tors comprising a receptacle for the non-fluid lubricant, a delivery passage in the device opening in the receptacle at its upper portion, the receptacle having a recess portion in its bottom member, a series of small lateral outlet passages in the side wall of the recess porpassage from the side wall of the recess portion leading into said delivery passage, and an admission passage leading into the said recess for the lubricant under pressure.

12. A mixing device for force feed lubricators comprising a receptacle for the non-fluid lubricant, a delivery passage in the device opening in the receptacle at its upper portion, the receptacle having a recess portion in its bottom member, a small lateral outlet passage in' the side wall of the recess portion leading into said delivery passage, an admission assage leading into the said recess for the ubricant under pressure, and a diaphragm member in the receptacle shiftable across the recess to regulate the feed of the non-fluid lubricant to the recess.

13. A mixing device for force feed lubricators comprising receptacle for the nonl*luid lubricant, a delivery passage in the device opening in the receptacle at its upper portion, the receptacle having a recess portion in its bottom member, a small lateral outlet passage from the side wallof the recess leading into said delivery passage, an admission passage leading into the said recess for the lubricant under pressure, and a check valve in the admission passage preventing back flow of the lubricant.

14. A mixing device for force feed lubricators comprising a receptacle for the non-fluid lubricant having an enlarged delivery passage at the bottom thereof, a tube having one end fitted in said passage and projecting upwardly through the receptacle opening into its upper portion, said tube having one or more comparatively small passages therethrough in proximity to the bottom of'the receptacle, and an admission passage for the lubricant under pressure in thebottom of the receptacle. I

15. A mixing device for force teed lubricators comprising a receptacle for the non-fluid lubricant having an enlarged delivery passage at the bottom thereof, a tube having one end fitted in said passage and projecting upwardly through the receptacle opening into its upper portion, the receptacle having a recess portion in its bottom, one or more com paratively small passages in the tube leading to said recess portion, the receptacle having an admission passage leading into the bottom of said recess.

16. A mixing device for force feed lubricators, comprising a receptacle for a non-fluid lubricant, a plurality of small outlet passages at the lower portion of the receptacle leading into said delivery passage, andan admission passage for the lubricant under pressure leading into the lower portion of the receptacle in proximity to said outlet passage therein.

17. A mixing device for force feed lubricators, comprising a receptacle for non-fluid lubricant, a horizontally arranged series otl small outlet passages at the lower portion of.

portion in its bottom member, a series of small lateral outlet passages in the side wall of the recess portion, and an admission passage leading into the bottom of said recess 'for the lubricant under pressure.

20.- A mixing device for force feed lubricators comprising a receptacle for the nonfluid lubricant, a small outlet passage, an admission passage leading into the said recep tacle for the lubricant under pressure, and

pass from the inlet passage to the outlet passage in contact with the bottom surface of the non-fluid lubricant in the receptacle.

21. A mixing device for force feed lubricators, comprising a receptacle for the nonfluid lubricant provided with a delivery passage, a comparatively thin wall separating the lower portion of, the receptacle from the delivery passage and containing one or more restricted openings leading from the lower portion of the receptacle into the delivery passage, and an admission passage opening into the receptacle in proximity to the restricted openings.

22. A mixing device for force feed lubricators, comprising a receptacle for the non fluid lubricant provided with a delivery passage, a comparatively thin wall separating the lower portion of the receptacle from the delivery passage andcontaining one or more restricted openings leading from the lower portion of the receptacle into the delivery passage, an admission passage opening into the receptacle in proximity to the restricted openings, and means in the receptacle for regulating the supply of the nonfluid lubricant accessible to the lubricant flowing from the admission passage to the outlet passages.

23. A mixing device for force feed lubricators, comprising a receptacle for the nonfluid lubricant having a recess portion in its bottom member, a delivery passage in the receptacle, a comparatively thin wall separating the recess from the delivery passage and containing one or more restricted openings leading from the recess into the delivery passage, and an admission passage opening into the recess portion of the receptacle.

24. A mixing device for force feed lubrifluid lubricant, the receptacle having a recess means for guiding the lubricant to cause it to cators, comprising a receptacle fora 11onbetween the admissionpassage and-the outlet fluid lubricant, a comparatively small outlet passage. passage at the lower portion of the receptacle and an admission passage for the lubri- CHESTER OOMSTOOK' 5 cant under pressure leading into the lower Witnesses:

portion of the receptacle in proximity to said WILLIAM H. REID,

outlet passage therein, and guiding means FRED. J. DOLE.

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