US1905281A - Means for collecting and feeding oil to journal bearings - Google Patents

Description

D April 25, 1933. c. GRANDJEAN MEANS FOR COLLECTING AND FEEDING OIL TO JOURNAL BEARINGS 4 Sheets-Sheet l Filed July 24 M: n M r w mv. a M

April 25, 1933. G. GRANDJEAN 1,905,281

MEANS FOR COLLECTING AND FEEDING OIL TO JOURNAL BEARINGS Filed July 24, 1930 4 Sheets-Sheet 2 Q J5 Us :5; E 24 g i 56 U iL-W gfl uwnl o'v I g 1: g Georges Grwndjeaw, H E "3% A ril 25, 1933. G. GRANDJEAN MEANS FOR COLLECTING AND FEEDING OIL TO JOURNAL BEARINGS Filed July 24. 1950 4 Sheets-Sheet 5 gwtwntoz aWean,

April 25, 1933. G. GRANDJEAN MEANS FOR COLLECTING AND FEEDING OIL TO JOURNAL BEARINGS Filed July 24, 1950 4 Sheets-Sheet 4 ,jwuentoz Georges Grancyeaw,

Patented Apr. 25, 1933 UNITED STATES GEQRGES (W-MEAN? NEW YORK ASSIGNOR o I omnamos amounts; on NEW Y RK. N. Y., A CQRPORMIQNJ E DELAWARE;

MEANS ron COLLECTING AND FEEDING- OIL. roaounlmn BEARINGS? I Application filed July 24;

This invention relates, to journal boxesof the general type in which lubricatiom of an associated axle: journal and its bearing is adapted to be effected. by means of a paddle or its equivalent mounted on the axle for rotation therewith soas to dip into oil con,

tained in the ournalbox and thus deliver oily to. the journal and the bearing.

Heretofore, the usual practice in automatically lubricating jou-rnallboxes of the type mentioned has been to-shape the paddle and to construct andarrange the bearing so that the ends of the paddle-,during its rotation pass over the end of the bearing; to de liver oil to i suitable distributing; channels. or ducts formed-in the latter While theforegoing general arrangement has provenaenti rely adequate insofar as effecting: the required supply of; oil; to. the

theless ithas been found that: theusual priorarrangement ofthe, paddle and; bearing may: be considerably improved; particularly, from an economical manufacturing: and assembly" standpoint; by provlding; an arrangement 1 which does not requiretheiends of the paddleto pass. over the ends of the bearing;

Accordingly; the; general object of the present invention is to provide means; Wherebyan: oil elevating paddle attached to, an axle may; be, enabled to effect, an'adequate supply ofoilto the axle bearing without; re-- quiring the: ends of; the paddle to passover' the; bearingand without requiring abearing speciallyconstructed to. underlie the path. of

travel of the ends of the paddle.

Another object of the invention-isto pro vide means of" the character stated which may be; embodied in different waysrin 1 a jour- -nalbox in an extremelysimple, inexpensive manner, and which: is entirely reliable and efficient: in operation. p

With the foregoing} and other objects-in view,the invention consists in the novel; tea;-

turesof construction combination and ar-Q rangement of parts as will be; hereinafter; more fully described, illustrated-in the .-ac-' compjanying drawings and defined in the ap-- pended-f claim. c

associated with the box;

bearing and the journal' is concerned, never- In the drawings, 7 wherein like; characters;

1930'. seriaiivu. 4705221 the difl erent viewers- Fig. lis: a central, longitudinal section; through a journal box and bearing eon structed QQCOI'd'i'IIg'tOs one; embodiment. ofthci 552.; present invent-ion, the axle with an? attached; oil elevating paddle being shown operatively and the bearing -c Fig, 2. is a transverse section taken ap g proximately on: theline 22 ofi Fig.1. p 3.

Fig- 3 isa detail section on the line 3 3; otFig .1.

Fig. Lisa-view s-i,- ila r to-'Eig ..1-:il-Lustra-t ing another embodiment Oi the invention.

Fig. 5 is asection on-the line;5 5,/ot'Fi-g ure l, I r

Fig. 6' isafragmentary view similan to; Figs. 1:, 3 and 4 illustrating-Sti l! anothenema bodiment ofthei invention. 7 f

In. each-of; the figures; ot the drawingsiwi, the journal box isdesignated generally; as A,the axle-as B, and the bearing as G moreover,-; as usual; the. beating is'dii'sposed in; each instance in the top portion otthe biox and the journal 6 of theaxleB seats orfis' 752 journaled against, the underside, 0t said bearing, the axle extending through opening in the rear end of; box and beingsurrounded by; a dust guard D- to exclude foreign. matter from the! boxy lilurtherso. more, according-to each of the enibodiment e of the invention illustrated in the-drawin'gs;

a wedge E, is "shown interposed between I the; bearing C, and" the; top otthe box; A,,b ut5i;t will be understood that the use; eta, wedge; is optional and that, it, desired; samefmay be eliminated F urthensti-ll it; will bfenoted-i/ that according; toeach-embodiment otthe invention and obturating ring- E is Inoi ntect on the axle, B betwejen the? rear end offthe bearing- 0 and the dust guard- D- toprevent loss of: oiltrom the; box: through the;- axle;

'- this cQnIIe tiQmitis; ot,-.eou-1rse, within the.

purview of the invention to; m iH'litE'the-pad; .100? i which are in communication through ducts 11 with oil. distributing grooves 12 formed 7 in the under orbearing surface of the bearing, and that the wedge E has formed tlier.e-" through oil passages 13 which open through itsupper face of the wedge and at the under face thereof is in oil discharging relation to said channels 10, whereby oil delivered to said passage will fiow-therethrough into said channels '10- for distribution by the grooves 12 to the journal 6 and the bearing surface of the bearing. 7 1

According to the foregoing arrangement there is formed either integrally with, or separate-from andsuitably secured to the box A, a ledge or shelf 14 which extends forwardly from a point above the wedge E beyond the forward end of the latter and also beyond the forward end of the bearing C, and has formed therethrough one or a pluralityof passages 15 leading from its upper face my the passage or passages 13, as the case may be,in' the wedge E. Thus, oil delivered to the upper face of said ledge or shelf will gravitate through the passage" or passages 15 into the passage or passages13 in the wedge and thence be delivered to "the channels 10 in the bearing-for distribution by the grooves 12. g

The paddle G is-inclusive of one or more blades directed firstoutwardly from the end of the axle as at 16, thence radially outward as at 17 thence inwardly as at 18 and again radially outward as at 19,'whereby said last mentioned radial portion is adapted to pass overtheledge or shelf 14 during rotation of the axle, as is manifest. ThusQas the outer end portion of each-blade travels through the lower arc of its circular movement-it dips into the oil 0 and by adhesion acertain'amount of; oil is carried upwardly therewith for delivery to the shelf 14. Depending upon the rate of-speed of the axle B, this oil may drip from theend of the paddle onto the shelf 14 as the-end of'the paddle passes over said shelf, or theoil may be thrown by centrifugal force against the top and sides of the chamber 20 at the front of the box A within which the paddle ro-' tates. In this connection it will be noted that in order to direct oil th'at may be thrown against the upper walls of'the chamber 30 into the passage or passages 15,-the

rear wall of said chamber, above the shelf 14, is provided with ri-bs 21'forming grooves 22 which lead to said passage or passages, while the top wall of said chamber is formed with a central web 23 against which oil thrown by the paddle G is adapted to impinge, whereby such oil will be directed to the grooves 22. r

In the'front of the box A isformed an opening to afford access to the interior of the box. Normally this opening is closed by a cover 24, and on the inner face of said cover there preferably is provided a downward and inwardly directed ledge 25 for directing any oil which may flow down the inner face of the cover away from the lower portion of the joint between the box and the cover into the oil, well at the bottom of the chamber 20.

Obviously, in the event the wedge E is not used in the embodiment of the invention just described, oil would be delivered from the passage 15 in the ledge 14: directly into the channels 10 in the top of the bearing. In this connection it will be noted that at the top of said opening the box'A is provided wvit-h a downwardly directed lip 26'having an oil drip edge disposed inwardly of the joint between the cover and the box, whereby any oil flowing down the inner face of the outer wall ofthe chamber 20 will be directed back to the well in the bottom of said chamber and will beprevented from reaching said joint at the top thereof.

Referring now-to the embodiment of the Y invention illustrated in Figs. 4; and 5 of the drawings, it will be observed that the structural arrangement is, in general, quite similar to the arrangement illustrated in Figs. 1 to 5 of the drawings, the important difierence residing in the oil receiving means at the top of the chamber 20a. That is to say, a shelf or ledge 14a is provided on the box A to extend forwardly beyond the forward end of the bearing 0, as in the embodiment'of the invention first described, and to overlie the forward end of the wedge E. Through the wedge E is I formed a passage or passages 13w in oil dis- I charging relation to channels formed in the upper face of the bearing C, and through the shelf or ledgeleta is formed a passage 15a in oil discharging relation to the passage or passages 13a in the Wedge. However, according to this embodiment of the invention, pockets 27 are formed in theupper side walls of the chamber 20a and the lower walls of these pockets are constituted by troughs 28 which extend rearwardly at a downward inclination and join other troughs29 formed in the rear wall of said chamber, which troughs 29 extend inwardly ata downward inclination and lead to the passage 15a; Thus, oil thrown by the 27 will gravitate down said walls into the troughs 28- and flow through said troughs paddle G against the walls of the pockets into the troughs 29 and thence to the passage 15a from which point the oil will be delivered to the bearing for distribution in the manner heretofore described in connection with Figs. 1 to 3 of the drawings. On the other hand, the top of the shelf 1%, outwardly of the passage 15a, is recessed to receive any oil which may drip from the paddle, and said recess opens at a suitable point or points through the bottom of the shelf into a suitable channel or channels in the Wedge leading to thebearing.

According to the embodiment of the invention illustrated in Figure 6 of the drawings, a trough 35 is formed on the rear wall of the chamber 200 above the bearing C and extends inwardly at a downward inclination towards the transverse center of the box where it is provided with an outlet opening 36 disposed above the end of the axle B outwardly of the end of the bearing C so that oil will be delivered therefrom directly onto the journal I). At its ends, this trough 35 communicates at each end with a trough 37 formed on the respective side walls of the chamber 200, these troughs 37 extending to the front wall of said chamber and being in oil receiving relation to the ends of a trough 38 formed in a shelf or ledge 39 which extends inwardly from the cover 240 provided to close the front end of the box. The ends of the paddle G in this instance are directed outwardly so as to pass over said shelf 39. Thus, any oil which may drip from the paddle onto the shelf 39 will be directed by said signature.

shelf into the troughs 37 and any oil which may be thrown against the upper portions of the side walls of the chamber 200 will gravitate into said troughs, from which.it will be delivered through the opening 36 to the journal in a manner which is apparent.

Only one trough 37 is illustrated in Fig. 6, but it will be understood that the structure shown is duplicated at the other side of the box.

WVithout further description it is thought that the features and advantages of the invention will be readily apparent to those skilled in the art and it will of course be understood that changes in the form, proportion and minor details of construction may be resorted to, without departing from the spirit of the invention and scope of the appended claim.

I claim In combination, a journal box, a bearing therein, an axle journaled against said bean ing, a shelf formed on the box above said bearing and extending outwardly beyond the end of the latter, a paddle carried by said axle to dip into oil contained in the bottom of the box and to deliver it to said shelf, said paddle having an end portion arranged to pass over said shelf, and means for con- GEORGES GRANDJEAN.

Images