US1289893A

US1289893A - Device for feeding liquids.

Info

Publication number: US1289893A
Application number: US21874718A
Authority: US
Inventors: John F Peterson
Original assignee: Individual
Current assignee: Individual
Priority date: 1918-02-23
Filing date: 1918-02-23
Publication date: 1918-12-31
Anticipated expiration: 1935-12-31

Description

J. F. PETERSON.

DEVICE FOR FEEDING LIQUIDS.

APPLICATION FILED FEB. 23. 1918.

Patented Dec. 31, 1918.

2 SHEETS-SHEET I.

J. F. PETERSON.

DEVICE FOR FEEDING'LIQUIDS.

APPLICATION FILED FEB. 23. 191B.

Patented Dc. 31, 1918.

2 $HEETS--SHEET 2. /0

- tively la JOHN F. PETERSON, OF CHICAO. II;JLINOIS.

DEVICE FOR FEEDING LIQ UIDS.

Application filed February 23. 1918. Serial No. 218,747.

To all whom it may concern Be it known that 1-, JOHN F. PE'rnRsoN, a citizen of the Government of Russia, re-

.sidin at Chicago, in the county of Cook and tate of Illinois, have invented certain new and useful Improvements in Devices for Feeding Liquids, of which the following is a specification.

My invention relates to means for feeding a constant quantity of liquid from areservoir in a given period of time, irrespective of the quantity of liquid therein. I

One of the objects of my invention is to provide a meansto feed a constant quantity of liquid in a-given time from a reservoir, by gravitational operation, which is substantially unaffected by variation in the head, or ressure affected by the varying head, oft e'coluinn of liquid.

-' My liquid feeding'devioe is especially applic able foruse 'in oiloups, wherein a relasupply of lubricating 'hquld,

such as 0' to be contained, and which is to be fed therefrom, drop by drop, at short intervals. It may however be used for other purposes without material change of structure. i

Other nloiectlis ofmy invention Wlll become readily apparent, to persons skilled in the art from a consideration of the following description when taken in conjunction with'the rawings, wherelnz- Figure 1 is a central vertical section of the device.

Fig. 2 is a broken-away elevation thereof.

' Fig. 3 is a top planview of the device.

Fig. A is a section taken on line H of i1 all the views the same reference characters are employed to indicate similar parts.

The invention c'ontains essentially two reservoirs, a main or superposed reservoir, within which to contain a relatively large-quanerably smaller in vertical extent and preferably immediately below the main reservoir, from which the liquid is to be directly fed to the part or device to be lubricated.

In the embodiment chosen. for illustrating one form that my inventionmay take, 10 is the main reservoir, consisting of a glass.

cylinder 11, provided with heads 12 and 13.

' Axially of the cylinder is a tube 14, which is screw threaded at each end, as at 15' and 16.

The lower end of the tube is threaded into the head 13 to hold the cylinders in place and Specification of Letters Patent.

Patented Dec. 31, 1918.

between the main cylinder and the head is a threaded engagement with the head 13, as

at 25.

Packin rings

26 and 27 are contained between 51c respective ends of the cylinder 21 and the heads 22 and13. The float 28 is carried in .the sub-reservoir 20 and secured thereto is a tube 29 which has free axial telescopic .movement in the tube 14:. Theupper end of the tube 29 coiiperates with a port 30 made in the lowerend of the tube 14, 'so that when the float is at its lowest position the ,port 30 willbe o ened and when the float-is at the position s own in Fig. 1 theport 30 will be closed by the interposition of the tube 29. When the-port is open, oil will pass from the reservoir 10 into the reservoir 20 and raise the float and thereby -thetube 29 is raised-to close the port so that a substantially constant quantity of oil is carried in the sub-reservoir 20.

' Apertures 31 are made in the lower end of the tube 14 so that the chamber within the reservoir 20may communicate through the tube, with the upper part of the chamber in the reservoir 10, there being a port or opening in the tube 14 provided for this purpose. The upper part of the reservoir 10 finds communication with the atmosphere through the opening 33, which may be loosely covered by a slide 34; to prevent the dust from entering the chamber and which opening is used for the purpose of filling the chamber with oil. The slide 3% has a ring bearing around the projecting end of the tube-[14.

In the lower wall22 of the reservoir 20, is a valve port plug 35. The plug .35 is ax1- ally perforated; as; at 36, and is provided on its upperl eud. with a port 37 for a needle valve 38. lhedvalve 38 is-.:;ormed\on the lower end Fof the rod 39, which extends through both chambers and the tube bi, and on its upperend it is pivoted to a cam lever 40, as at 41. A cap 42 screws over the upper end of the tube 1d, and is the mean for adjusting the'efiect of the cam lever 40 upon the needle valve 38 when the lever. occupies its verticai position, as shown in dotted lines as at The cap 42 is corrugated, as at 43, and a spring clip 44., which is provided with an annular part 45, serves as a means for holding the cap 40 in its adjusted position. The rin of the clip 44 surrounds the tube 14: and with the slide 34 it is held in place on the cover 12 by a nut 46. The spring 47 surrounds the rod 39 and abuts against the end wall of the cap. The lower end of the spring 47 rests'against a washer 48 that is held on the rod 39 by a pin 49. The spring yieldingly holds the needle valve in its lowermosl position. I

When the lever 40 is raised to dotted line position,as shown in Fig. 1, the needle valve 38 is thereby raised from the port 37 and opens the passage ways 36 to the extent that it is raised. If it is desired to open the valve to a greater extent, the can 42 is raised by turning it anti-clockwise and the clip 44: will hold it and prevent it from turning from its adjusted position. By this means the cam end of the lever 40 will raise the needle valve 38 to a greater or less extent, and thus the effect of the needle valvemay be regulated.

The oil from the sub-reservoir 20 will drop through the port 37 and the opening 36, into a small cylinder 50 thereb 210w. The cylinder consists of a casing 51 which is screwed on a threaded hub 52 that projects downwardly from the lower wall 22 of the reservoir 20. The casing is provided with openings 53 through which the oil, as it drops through the cylinder, may be observed.

A glass tube 54: is contained within the cylinder and the lower end of the cylinder is screw threaded, as at 55, whereby the device, as a whole, may be connected to a part to be lubricated.

The tube 29 projects below the float 28, as at 56, so as to support the float from actual contact with the upper surface of the plate 22, so as to prevent it from sticking to the plate, should it, at any time. move downwardly in contact therewith. Projections 57, are provided in the upper wall of the float, so s to prevent the upper wall of the float from, in like manner, sticking to the plate 15, should the float at any time be brought into contact therewith.

Whereas lhave herein shown a single embodiment of my invention, for the purpose of clear disclosure, it is manifest that manychanges may be made in the general arrangement and configuration of the parts within the scope of the appended claims.

Having described my invention. what I claim i 1. A device of the character described comprising a supply reservoir; a co-axiallv arranged sub-reservoir; a float in the latter reservoir and a valve, operable by the float. to control communication between the reservoirs to maintain constant head in the latter reservoir.

2. A device of the character described comprising a supply reservoir; :1 co-axiallv arranged sub-reservoir; a float in the latter reservoir; a valve, operable by the float. to control communication between the reservoirs and to maintain a constant head in the latter reservoir; a needle valve having a seat in the lower wall of the sub-reservoir and means on the top of thesupply reservoir to adjust the needle valve.

3. A device of the character described comprising a supply reservoir: a sub-reservoir; a t be extending through the supply reservoir. into the sub-reservoir. having a port opening into the supply reservoir; a

float in the sub-reservoir; a tube carried by said float telescopically movable in the first mentioned tube to close and open said port, in said tube, to maintain constant liquid supply in the sub-reservoir.

l. A device of the character described comprising a supply reservoir; a sub-reservoir; a tube extending through the supply reservoir into the sub-reservoir, having a port opening into the supply reservoir; a float in the sub-reservoir; a tube carried by said float telescopically movable in the first mentioned tube to close and open the port in said tube to maintain constant liquid supply in the sub-reservoir; aneedle valve extending through both tubes and reservoirs to control a port in the bottom wall of said sub-reservoir.

5. A device of the character described comprising a supply reservoir; a sub-reservoir; a tube extending through the supply reservoir into the sub-reservoir, having a port opening into the supply reservoir: a float in the sub-reservoir; a tube carried by said float, telescopically movable in the firs mentioned tube to close and open the port in the said tube, supply in the sub-reservoir; a needle'valvc extending through both tubes and reservoirs to control a port opening from the sub reservoir; a threaded plug containing, a passage way terminating in a needle valve port, vertically adjustable in the bottom wall of said subreservoir, and means, on the top of said supply reservoir, for adjusting extent of openingot said port by said needle valve. I A

- In testimony whereoi- I hereunto set hand.

JOHN F. PETERSON.

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