US897599A

US897599A - Lubricator.

Info

Publication number: US897599A
Application number: US32731006A
Authority: US
Inventors: Robert Davidson
Original assignee: MICHIGAN LUBRICATOR CO
Current assignee: MICHIGAN LUBRICATOR CO
Priority date: 1906-07-23
Filing date: 1906-07-23
Publication date: 1908-09-01
Anticipated expiration: 1925-09-01

Description

LUBRIGATOR.

APPLICATION FILED JDLYza, 1906.

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Nth-897,599. PATENTED SEPT. 1,1908.

R. DAVIDSON.

LUBRIGATOR.

APPLICATION FILED JULYZS, 1906.

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PATENTED SEPT. l, 1908.

R. DAVIDsoN.

LUBRIGATOR.

APP-LIOATION FILED JULY2e,19os.

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UNITED sTATEs ATENT oEEroE.

ROBERT DAVIDSON, OF DETROIT, MICHIGAN, ASSIGNOR TO MICHIGAN LUBRICATOR CO., OF DETROIT, MICHIGAN, A CORPORATION OF MICHIGAN.

LUBRICATOR.

To all whom it may concern.'

Be it known that I, ROBERT DAVIDSON, a' citizen of the United States, residing at Detroit, in the county of Wayne, State of Michigan, have invented certain -new and useful Improvements in Lubricators; and I do declare the following to be a full, clear, and exact description of the invention, such as will en able others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the figures of reference marked thereon, which form a part of this specification.

This invention relates to hydrostatic sightfeed lubricators of the bulls-eye type, especially designed for lubricating steam chest valves of locomotives, and consists in the construction and arrangement of parts hereinafter fully set forth and pointed out particularly in the claims.

The objects of the invention are to produce a lubricator of the character described, of compact, simple and inexpensive construction, wherein the fittings which support the sight-feed features are formed integral with the body of the reservoir or cup, thereby obviating the expense incident to casting said 'fittings separately and the labor necessary to connecting them with the cup.

A further object is to mount the sight-feed features upon the bodyof the reservoir free from the wall thereof so as to place the observation glasses remote from said body to obviate excessively heating the glasses and burning of the oil thereon to such an extent as to obstruct the vision therethrough.

A further object is to provide for passing the oil through the heated portion of the reservoir after its passage through the sightfeed features, thereby maintaining it in a high state of fluidity.

A further object is to provide cored passages for the oil through the upper portion of the reservoir which connect the oil feed arms with the parts to be lubricated, and to provide independent communication. between each of said cored passages and the steam space of the condenser.

The aboveobjects are attained by the apparatus illustrated in the accompanying drawings, in which Figure l is an elevation of a lubricator embodying my invention. Fig. 2 is a central, vertical section through the lubricator, as on line 2 2 of Fig. l. Fig. hisnaufragmentary Speccaton of Letters Patent.

Application :filed July 23, 1906.

Patented Sept. 1, 1908.

Serial No. 327,310.

view in section as on line 3 3 of Fig. 6. Fig.

'4 is a central longitudinal section throughone of the sight-feed features. Fig. 5 is a plan view of the reservoir with the condenser removed. Fig. 6 is a horizontal section through the upper portion of the reservoir, as on line 6-6 of Fig. l. Fig. 7 is a vertical sectional view, as on line 7-7 of Fig. 6.

Referring to thecharacters of reference, l designates the oil cup or body of the reservoir, which is provided with a suitable condenser 2 connected by means of the steam supply pipe 3 with the boiler or steam pipe of a locomotive, not shown.

In order to locate the sight-feed features remote from the body of the cup and yet connect them properly thereto in an economical manner, each of the sight-feed features is connected with the cup by hollow supporting arms cast integral with the body of the cup which communicate respectively with the upper and lower ends thereof, the sight-feed glasses being supported in horizontally positioned barrel-like members which are cast integral with said supporting arms, and wherein is formed a sight chamber through which the oil passes.

The lubricator illustrated herein is of the triple feed type, showing three sight-feed features, there being one upon each of the opposite sides of the body and one in front and all of said sight-feed features standing in the same horizontal plane.

The horizontal barrels 4 upon the sides of the lubricator in which the glasses 5 are confined, are supported by the lower hollow arms 6 which project from the reservoir, and .communicate with the interior thereof, their outer ends carrying the T-shaped Jiittings 7 in whose upper ends are located the oil feed nozzles S, and in whose lower ends are screwed the oil regulating valves 9 whose needle points seat at 10 below said nozzles and control the passage of oil through the hollow arms 6. The nozzles S discharge into the sight chambers Il .in the barrel members between the glasses 5, from which chambers lead the short vertical tubes 12 that communicate at their upper ends with the hollow arms 13 formed integral with the upper portion of the body of the reservoir. The arms I3 communicate with the cored oil feed passages 14. within the body of the reservoir with which the oil discharge arms15 communicate, the outer ends of said arms being connected in a suitable manner with the tallow pipes 16 which lead to the steam chest of the lubricator, not shown. The central sight-feed feature located on the front of the body comprises a barrel member 17 supported by a hollow arm 18 (similar to the hollow arm 6 which supports the side sight-feed features) said arm communicating with the interior of the reservoir at one end and at the other end with the sight chamber in the barrel 17 into which the oil nipple 19 extends. The sight chamber in the barrel 17 communicates through the vertical tube 2() with the hollow arm 21, which in turn communicates with the cored passage 22 crossing the interior of the reservoir, whose opposite end enters the rearwardly extending discharge arm 23 with which is connected the tallow pipe 24 that leads to the air-brake pump, not shown. The flow of oil through the hollow arm 18 to the nozzle 19 is. controlled by the valve 25, the construction being the same as that described with respect to the valves 9.

It will now be understood that the several sight-feed chambers and the hollow arms through which they communicate with the reservoir are cast integral with the body of the lubricator, thereby effecting a strong and economical structure. The glasses 5 are placed in the opposite ends of the barrels to form the transparent walls through which the ascending drops of oil may be seen, by seating them in the sleeves 26, which screw into the opposite ends of the barrels and which are provided with the inwardly extending annular flanges 27 that serve as seats for the washers 28 against which the inner edges of the glasses bear7 said glasses being confined in place by the glands 29 which screw into the sleeves against the washers 30 that engage the outer edges of said glasses, thereby firmly securing the glasses in place and providing for the ready removal thereof for the purpose of cleaning, when desired.

As is common in lubricators of this type, the water of condensation which displaces the oil in the reservoir, is carried downwardly into the reservoir through the pipe 3.1, the upper end of which communicates through the valve chamber 32 (see Fig. 3) with the cored passage 33 which leads into the condenser through the top of the reservoir. The valve 34 within said chamber controls the passage of the water of condensation therethrough and regulates the feeding of the oil by controlling the volume of Water which is discharged into the reservoir. The oil as it rises upon the water which is discharged into the reservoir flows into the upper ends of the oil tubes 35 whose lower ends communicate with the hollow arms of the sight-feed features, as clearly shown in Figs. 2 and 7. It will bey understood. that in the operation of this lubricator, the sight-feed chambers and the upper arms connecting said chambers with the oil discharge arms through the cored. passages of the the body, will be filled with water so that the drops of oil discharged from the nozzle 8 will pass upwardly through said Water between the observation glasses and flow through the connecting arms and passages into the tallow pipes in a manner common in the art.

To properlybalance the cup and equalize the pressure upon the water and oil, steam equal- 'izing tubes 36 are employed which project vertically into the condenser and communicate at their lower ends with the cored passages 37 leading into the oil passages 14 in alinement with the oil feed arms 1 5 which connect with the tallow pipes leading to the opposite steam chests of the locomotive. A third equalizing tube 38 within the con denser communicates with the oil passage 22 which connects, through its discharge arm, with the tallow pipe leading to the air pump. By this arrangement a perfect balancing is effected and the spurtingof the oil is obviated.

In the operation of this device, the flow of the water of condensation into the cup through the water tube 31, displaces the oil, causing it to pass into the upper ends of the tubes 35 and through said tubes into the hollow arms 6, thence past the valves 9 and into the nozzles 8 from which the oil ascends in drops through the sight-feed chambers and into the hobllow arms 13, the oil flowing through said arms into the oil passage ways 14 where it encounters the steam from the equalizing tubes and is carried with the steam through the discharge arms into the tallow pipes. The above explanation detcribes the course of the oil into the tallow pipes of the steam chests of the locomotive. The oil which passes into the tallow pipe of the air pump after passing through the sightfeed 17, enters the passage 22 where it encounters the steam from the equalizing tube 38 and is carried by said steam into the tallow pipe 24 which leads to the air pump. By returning the oil through the body of the lubricator in proximity to the condenser after it passes through the sight-feed features, it is maintained at a high temperature which renders it sufficiently fluid as to insure a perfect feeding thereof. By removing the filler plug 39 the reservoir may be replenished with oil.

Each of the sight-feed features is provided with a tapped boss 40 into which screws a drain valve 41 that controls the drain passage 42 passing through said boss and communicating with the sight chamber. By opening the valve 41 the water may be withldrawn from the sight chamber when desire( In the bottom of the reservoir is the ordinary drain cock 43. Auxiliary oilers are provided in the shape of cups 44 which communicate with the tallow pipes through the apertures 45 in the fittings 46. The usual valves 47 are provided for said auxiliary oill ers. Projecting from the rear of the reservoir is the threaded stud 48 by which the lubricator is mounted in position.

It will be noted that by placing the cored passages 37 which lead into the oil passages 14, in direct alinement with the oil feed arms 15, the flow of steam fi'om the condenser into the tallow pipes through said arms does not interrupt or retard the flow of oil through the cored passages 14 but on the contrary accelerates the passage of the oil through said passages, because of the swiftly flowing jets of steam which cross the ends of said passagesv 14 into the discharge arms, carrying the oil in said passages therewith.

Having thus fully set forth my invention, what I claim as new and. desire to secure by Letters Patent, isz- 1. ln a locomotive lubricator, the combination with the reservoir, of a sight-feed feature exterior' to the reservoir, said sight-feed feature consisting of a barrel-like member lying in a horizontal plane, hollow arms cast integral with the reservoir connecting the barrel-like member with the upper and lower portions thereof respectively, an oil discharge arm, there being an oil passage within the top of the lubricator connecting the upper arm of the sight-feed feature with the oil discharge arm, a condenser, and an equalizing tube leading from the condenser and connecting within the reservoir said oil passage way with the steam space of the condenser.

2. In a locomotive lubricator, the combination with the reservoir having an oil passage in the upper portion thereof, of a sightfeed feature communicating with said oil passage, an oil discharge arm leading from the discharge end of said oil passage, and a steam" equalizing'tube within the reservoir communicating with the discharge end of said oil passage in direct alinement with said oil discharge arm.

3. In a locomotive lubricator, the combination with the reservoir, of a plurality of sight-feed features exterior to the reservoir and located in the same horizontal plane, said sight-feed features consisting of barrellike members, hollow arms cast integral with the reservoir connecting the barrel-like members with the upper and lower portions thereof respectively, oil discharge arms, there being oil passage ways within the top of the lubricator independently connecting the upper arms of the sight-feed features with the oil discharge arms, a condenser common to all of the sight-feed features, and equalizing tubes leading from the condenser and independently connecting within the reservoir said oil passage ways with the steam space of the condenser.

4. In a locomotive lubricator, the combination with the reservoir having oil passages in the upper portion thereof, of sight-feed features communicating with said oil passages, oil discharge arms leading from the discharge ends of said oil passages and steam equalizing tubes' within the reservoir' communicating with the discharge ends of said oil passages in direct alinement with said oil discharge arms.

In testimony whereof, I sign this specification in the presence of two witnesses.

ROBERT DAVIDSON.

Witnesses O. B. BAENZIGER, 1. G. HowLErr.