US812261A - Lubricator. - Google Patents

Description

PATBNTED FEB. 13, 1906.

C. C. DODGE.

LUBRIGATOR.

APPLIOATION FILED Nov. 29

il l! witnesses dwz? I To a/ZZ whom it may concern,.-

UNTTED STATES vPATENT OEEIOE.

CHARLES o. DODGE, OF BLOOMEIELD, NEW JERSEY, ASSIGNOR To THE rDODGE -LUBRIOATOR COMPANY, OE BOSTON, MASSACHUSETTS, A OOR- PORATION O F MASSACHUSETTS.

LUBRICATOR.

Specification of Letters Patent.

Patented Feb. 13, 1906.

Be it known that I, CHARLES C. DODGE, a citizen of the United. States, residing at Bloomlield,y in the county of Essex andState of New Jersey, have invented certain new and useful Improvements in Lubricators; and I do hereby declare the followin to be a full, clear, and exact description of t e same, reference being had to the accompanying drawings, forming a part of this specification, and to the letters of reference marked thereon.

This invention relates to mechanical forcefeed lubricators, and isdesigned more especially for use in connection with engines-su ch.

as asolene, automobile, or marine enginesor or use in connectionwith Workin mechanical structures wherein a number or bearings or Working surfaces are to be suppliedl with lubricating material from a single source.

T he objects of the invention are to provide 1a simple, cheap, and efficient. self-contained structure adapted to feed to the Several working surfaces a quantity of lubricant'exantly proportioned toits needs, to which ends the Iinvention consists, primarily, in a lubricator embodying a reservoir for the lubricant, a rotary pump-carrier having a discharge-orifice adapted to aline or register successively with i ducts leading to the several bearings, a fixed member for controlling the throw of the pump and quantity of lubricant discharged there'- by, and a means for rotating the pump-carrier driven from the engine or other source of a relation power bearin faces to be lu ricated. i

iThe mventlon further conslsts 1n certain to the Working surnojvel details of construction and combina' tions and arrangementslof parts, all as will be now described, and pointed out particularly in the appended claims.

Referring to the accom anying drawings, Figure 1 is a -vertical section, partly broken away and partly in elevation, of a lubricator embodying the present improvements. Fi 2 is atop plan view of the base-section wit portions broken away to show underlying parts. Fig. 3 is a side elevation of the pumpcarrier, the up er end of the stem being broken away. ig. 4 is a vertical detail section showing the seat for the pump-carrier and a small section of the pump-earner itself. Fig. 5' is a detailsectional elevation of the seat for the pump-carrier, showing two of the yterminal openings of the discharge-ducts for vthe lubricant. i

Similar letters of reference in the several igures indicate like parts.

The letter A indicates a reservoir for lubricant, which it is obvious may be ofany desired form or material, but ispreferably a cylindrical reservoir formed of brass or glass tubing, having a tight-fitting to A with a lling-oriice A2 therein, and, if of brass, a long vertical sight-o ening A3, rovided with a trans arent cel uloid or g ass Window A4; The libtt'om ofthereservoiris formed by a base-fitting B, which serves, preferably, as the means for supporting the reservoir and consti-- tutes the seat and support for all of the working parts of the lubricator and the terminal connections for the several ducts through which the lubricant 'is carried to the Working surfaces or bearings to be lubricated. The yfittin s or nipples forming the terminals of said ucts are indicated at B. On its inner side said base B is provided ywith a conical (iov annular seat C, .preferably arranged at an v angle of forty-five degrees for the reception of the correspondingly-shaped working face of the pumpcarrier D and a central bearing f or a bottom stern or journal D on the pumpcarrier. The up er ortion of the,

lum carrier is provide' Wit a stem E, refiirab y detachably mounted "thereon an ,held by screws e, as shown in Fig. 3, said screws e en-r tering the ends of standards-d, projecting upward y from` the top of the pump carrier.

The stem E is uided or takes a bearing at 'the center of a spi erF, the arms of which extend down and yare attached to the base by screws f, said stem and carrier being held down by means of a spring G, preferably surrounding the stem E and bearing on the base-flange E oiI the stem through a ball-bearing G', as shown clearly in Fig. 1.

The pum -carrier Dis provided with a pump barre or Iclylinder for the reception of a pump-plunger preferably arranged to reciprocate horizontally in :the carrier, and in order to operate said plunger it is connected, through a head H', with a connection-rod or operating-stem Hworking in bearings h in the carrier, 'so as to travel parallel with the plunger. Reciprocatory motion of the pluni ger and its operating-rod in one directlon is effected by a Spring I, preferably surrounding IOO the stem H2 between the bearings hand at one end engaging a cup or collarfi on therod.

i Motion inthe opposite direction or a ainsty the tension of the spring is eiected by t e engagement'ofthe end of the stem I-I2 with one or the other of the series of projections K ,on a controlling-ring K', secured inthe base of the lubricator, preferably by the screws Whichalso .serve to secure the spider E 1n lace. eads `from the end ofthe cylinder or'barr'el I put through Athe Working face of the carrier 1n position to register at certain times with the ducts M', forming the terminals of the before-mentioned Iducts for conveying the lubricantto the Working surfaces to be lubri- Icated. The ducts M are in projections,

' preferably having their ends faced to corretents o'f the pump-cylinder Will bedischarged I into the registerlngV duct and vvill be forced thence to the bearing.` y f The spring I before referred to preferably .constitutes the meansy for advancing the pump-plunger with a quick movement, and they kprojections K on the controlling-ring serve to retract thesaid plunger. SaidprojectionsK are preferably so formedthat during the travel of the operating-rod II2 over them the said rod and pump-plungerwill not v be moved during the time that duct M is traveling across rthe walls forming the faces surrounding the ducts M; but the rearward movement` vv'ill all take place during the time -the yduct M is 'traveling between adjacent lducts M, at which times the duct M is vopen to the reservoir, and consequently lubricant W`ill then bev drawn into the pump. The pump-stem H2 rides off the projections K when the ducts areA in register With 'each other, and itis obvious that the quantity of lubricant to be discharged by the pump for any particular bearing may be accuratey regulatedby the height of the ro'jections and the number of ducts which may be supplied from one lubricator is only limited by the space in the periphery of the circle traversed by 'thepump-carrier. As shown, the

device 1s adapted to supply lubricant to six y bearings, although this number may be increased or diminished, as found desirable; but

in practice lubricators ma be 'made with a maximum number of out ets, any or al'l of which may be utilized, as desired. The controlling-ring K being removable may be considered the only tions.

A channel M in the pump-carrierpart necessarily varied to adapt the lubricator to any special condi-I To impart rota motionto the ump-car- 'rier,' it is preferab y provided Wit a Wormgear O, with which a drive-Worm O meshes, said drive-Worm being mounted ona driveshaft O2, passing-out of the base throu h a stuiiing-box O3 and deriving its motion om any suitable source-.sucln for instance, as

the half-time shaft of a gas-engine; j

Y Where the lubricator is used in connection with 'gas-engines, it is obvious that b imparting a rotation to the drive-shaft O2 1n acy cordance With the'half-tiine shaft of the en gine thepump may be arranged to discharge oilto thecylinder or cylinders when no pressure exists in the cylinder or cylinders, and

at all other times the ducts M will be closed `by the Working face of the pump-carrier, thereby plreventing back pressure in the reservoir. he seating-spring, as shown,- has a compression of ten or fifteen pounds and is Vsufficient to maintain the 'pump-carrier on its seat against a back pressure through one of the ducts from a cylinder at the instant of eX- losion, and hence, if desired, lubricant may e forced into the cylinder even when pressure exists therein.

The arrangement described, it Will be noted,

arranged to work, as has heretofore been proposed,` with 'a check-valve for controlling the admission of lubricant to the pump-cylinder.

It will be noted that the entire Working mechanism lof the lubricator is directly` mounted on the base B and that Without disturbing the Working relationof they parts All of said Working parts are contained Within the lubricator, there being no communication With the exterior save through thestuH- ing-box O3 of the operating-shaft, and conseqllirentl all danger of lubricant Working out t ougjoints in the lubricator is eliminated. Furthermore, the arrangement is such that by raising the pump-carrier from its seat the lubricator Will act as an ordinary gravity-feed lubricator, inasmuch as the unseating of the pump-carrier opens the ducts for the direct ent of lubricant, and conse uently it is possible in an emergency to ma e use of the device Without the force-feed feature;

vHaving thus described my invention, what I claim as new, and desire to secure by Letters Patent, is Y 1, In a lubricator such as described the 'combination with a reservoir for the lubrithe lubricant and seated over said openings for closing the same," a pum the carrier, there being a duct from said) pump adapted to register successively Witlithe said openings andv means for rotating the carrier and operating the pump; substantially as denl scribed.

3. In a lubricator such as described, the.

combination With a reservoir for the lubricant havingv openings, o -a rotary carrier A,located in the reservoirin position to be submerged in the lubricant and seated over said openings to close the saine, a ump in said carrier, there, being a duct leading tothe ump and norm-ally open to the reservoir but adapted. to register Wit-h the openings in succession and means for rotating the carrier and o erating the pump; substantially as described). i. l

4. In a force-feedlubricator'the vcombina-- tion' with the'reservoir having `a seat therein formed by projections constituting the tei'- min als of discharge-ducts, of a rotary pumpcarrier mounted on said seat to close the openings, a pump on lthe carrier, there being a pump-duct normally open to the reservoir ut adapted to be brought into re istry with the openings by the rotation of t e cai'iier, means for rotating the carrier and operating the pump; substantially as described.

5. In a Jforce-feed lubricator the combination with the reservoir having the annularconical seat therein and openings in said seat constituting the terminals of discharge-ducts, of a rotary pump-carrier having a conical working face having its bearing in said seat, a pump in said carrier, there being a pumpduct leading out through the working face of the carrier, means for rotating the carrier and for operating the pump substantially as described.

6. In a force-feed lubricator, the combination with the reservoir having the annular conical seat `'therein with projections constituting the erminals of discharge-ducts,- of a rotary pu p-cariier having a conical working face having its bearing in said seat, a pump in said carrier, there being a pumpduct normally open to the reservoir between the projections but adapted to be brought into registry with the openings by the rotation of the carrier, means for rotating the carrier and operating the pump; substantially as described.

7. In a force-feed lubricator the combination with the base having the discharge-duct terminals therein, the rotary pump-carrier and pump and the drive-gear for the carrier all journaledY in the base and the pro'ections for operating the pump mounted on t e base,

a plurality of 'discharge-duct ed to register with t of the removable casing carried by the base and constituting the reservoir for the=lubri cant; substantially as described.` y

8. A force-feed lubricator embodying a separable base and casing constituting the reservoir, of a pump .mechanism located Within the reservoir and supported together with its operating mechanism entirely on'the base and independently ofthe casing; vvheieby the casing and base may be se arated' Without disturbing'l the pump mec anism;` substantially as described;l i' 4 9. In a force-feed lubricator such as d escribed, the combination with' the reservoir, having discharge-ducts, reciprocatory pump, operating devices therefor and rotaryoarrier on which the pump and operating devices are mounted, controlling the communication between the pump and discharge-ducts, ofl

means for rotating the carrier, a fixed ring having projections thereon -ior retracting the 'pump-plunger and a spring for advancing the pump-plunger; substantially as described.

10. In a force-feed lubricator such as described, the combination with the reservoir and rotary pump-carrier mounted in the reserv voir, of a horizontally-arranged pump in said carrier, a horizontal operating-stem for the pump-plunger and fixed projections in-the4 reservoir with which said stem coperates to control the said plunger; substantially as described. 4

1 1. In afor'ce-feed lubricator, the combinaltion with the reservoir having a base, With an apertured seat in said base and a rotary carrier taking its bearing in said seat, ofa pump in the carrier having a discharge-duct ada ted to register With said apertures, aispi er IOO having arms secured to the base, a spring interposed between the spider and carrier and means for rotating the carrier and operating the pump; substantially as described.'

12. In a force-feed lubricator, the combination with the reservoir having a base with an apertured seat in said base and a rotary carrier taking its bearing in said seat, of a pump in the carrier, a spring for advancing -the plunger of ythe pump, a controlling-ring havl ing projections for retracting the plunger of the pump and removably secured in the base, a spring for holdin the carrier down and a discharge-duct for t e pump adapted to register with the apertures inthe seat; substantially as described.

13. In a force-feedlubricator the combination with the reservoir having a base provided with an annular conical seat having discharge-apertures therein, of a rotary carrier having a central .bearin and conical working face fitting the conica seat, a pump in said carrier havin a discharge-duct adaptt:he apertures in the seat, fixed annular controlling-ring having proj ectiois, a spring-pressed pump-plunger stem cooperating with said projections and a Worm and gear for rotating the carrier; substantially as described.

14,. A force-feed lubricator having an annular seat projecting on the inner side of its base, with discharge-apertures in said seat, al

rotary carrier taking its bearing on said seat and center lbearings for said carrier located entirely within the reservoir, gearing for rotating the carrier also located within the reservoir, 'a reciprocatory pump in the carrier, there being a discharge-duct for the pump adapted to register withthe openings 1n the seat, a sprin for advancing the pump-pluner and fixe projections wlthin the reservoir or retracting the pump-plum er against the tension of its sprin the num er of said projections correspon ing to the number of discharge-openings in the seatgsubstantially as described. j

15. In a force-feed lubricator, the combination with a reservoir, having a plurality of separated projections constituting the termina s of discharge-ducts, of a rotary pumpcarrier bearing against said projections, a pump in said carrier, there being a pumpduct normally o en to the reservoir between said projections ut adapted to re ister successively with said terminals as t; e carrier rotates, and instrumentalities 'for rotating the carrier and operating the pump.

16. In a force-feed lubricator, the combination with a reservoir, having a plurality of j. se arated projections constituting the termisaid carrier and na s of dischar e-ducts and arranged substantially in a-clrcle, of a rotary carrier seated against said projections, a pump carried by said carrier, and having a duct adapted to` register alternately and successively with the spacesl between said projections and said ter-HL minals, a pump communicating with said -series of openings aforesaid, means for rotatl slanci" in vthe carrier, a pump-plunger in said bar-il re and-means 'for reciprocating the same, a .spring 'forholding the carrier down to its-seatm the reservoir and a fixed part for main-) spring; substan.-

taining the tension of the tially as described.

18. In a lubricator such as described, the.

'combination with the reservoir having a plu- .l

rality of discharge-ductopenings arranged in i a circular series, of. a rotary pump-,carrier located inthe reservoir in position to be sub- 6 5 merged in the lubricant and having a duct adapted Ito register with the first-mentioned openings, a central bearin at the lower end of the carrier and a spring or holding the carrier down to its seat; substantially as de- 7o scribed.

19. In a lubricator such as described, the combination with the reservoir, a rotary pump-carrier having a central journal, fixed supports for the journal located respectively above and below the carrier, projections in the reservoir having discharge-ductopenings therein, a pump located in the cari-1er and having an inlet-outlet opening adapted to register successivelywith the said discharge- 8o openin s, means'for rotating the-carrier and means or operating the pump; substantially Y as described.

20. Ina lubricator such as described, a reservoir, a rotary carrier mounted therein on central su porting means heid by-ixed parts above anA below thecarrier, there being a circular series of discharge-duct openings in i the bottom of thereservoir, .a pump in the carrier having an inlet-outlet opening adapt- 9o ed to register successively with the dischargeduct openings, means for rotating the ycarrier land means for operating the pumps; substantially as described.

21. In a lubricator such as described, the

.combination with a reservoir for the lubricant having a plurality of discharge-ducts, a pump-carrier located in the reservoir in position to be submerged in the lubricant and having `a duct adapted to communicate sucioo cessively with the Erst-mentioned ducts, a

horizontally-arranged pump in the carrier and horizontally-projecting cam-surfaces for operating the pum .(IHARLES C. DODGE. Witnesses:

RoscoE R. JOHNSON, JOHN S. JARvIsy

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