US1434741A - Pump - Google Patents

Description

'1. A. GOODNER.

PUMP.

APPLICATION FILED MAY 9.1921.

Patented Nov. 7, 11922.

Emu sham a Patented Nov. 7, 1922.

STATES PATENT oFFica.

JAMES A. GOODNER, 01E ROCKY FORD, COLORADO.

PUMP.

Application filed May 9, 1921. Serial No. 467,860.-

This invention relates to pumps designed for forcing liquid or gases, one of its objects W being to provide a structure .of that type utilizing a wobble piston.

One of the objects of the invention is. to

simplify and otherwise improve upon a" pump of this character and to employ ef- 3 ficient means whereby the various working parts can be thoroughly lubricated.

Another object is to provide means for taking up wear so asto insure efficient operation of the pump under all conditions.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter de scribed and claimed, it being understood that, within the scope of what is claimed, changes in the precise embodiment of the invention shown can be made without departing from the spirit of the invention.

linthe accompanying drawings the preferred form of the invention has been shown.

In said drawings Figure 1 is a central longitudinal section through the pump.

Figure 2 is a section through the pump casing on the line 2-2, Figure 1, the piston being shown in plan.

Referring to the figures by characters of reference 1 designates the casing of the pump theinner surface of the wall thereof following the lines of a sphere and there being an extension 2 on this casing in which are provided ports 3 and 4 in communication with passages 5 and 6 either of which can be an inlet or an outlet for the fluid to be forced or compressed. The ports 3 and 4 are separated by a partition 7 and the inner face of this partition is flush with the inner surface of the casing 1 and has a longitudinal groove 8 into which projects an adjusting screw 9 extending through the partition 7 from the outer face ttfereof.

Secured to the opposed ends of the casing 1 are heads 10 and 11 respectively. Each of these heads is in the form of a truncated cone-and has an annular flange 12 at its free edge securedin any suitable manner to the casing. The heads extend inwardly toward each other and the head 10 is provided with a central opening 13 in which is seated a bearing block 14 supported by a screw plug 15. A set screw 16 may be used for holding face of the bearing block 14 is recessed as shown at 17 and an opening 18 is preferably formed in this block at the center thereof.

The .head 11 has a central opening 19 in which is seated a bearing block 20 and engaging the outer face of this hearing block is a screw threaded adjusting ring 21 which can be held against rotation by a set screw 22. A recess 23 is formed in the inner face of the bearing block 20 and mounted to work within this recess and also within the recess 17 in the block 14 is a ball 24 formed of two opposed semi-spherical sections 25 and 26 respectively. The meeting faces of these sections are formed with annular grooves 27 which cooperate to provide an annular channel within the ball and in which is seated the central portion of a disk 28 constituting the piston of the pump. This disk has a radial slot 29 extending from its periphery inwardly to the ball 24, the said slot being of a width slightly greater than the thickness of an abutment 30 which is mounted radially between the casing 1 and the ball 24 and extends from one head to the other of the pump. A rib. 31 is formed upon the outer edge of this abutment and projects into the groove 8 so that a tight joint 1s thus provided between the abutment and the partition 7.

,A groove 32 is formed in the periphery of the disk-28 and also along the sides of the slots 29 and seated within this groove is a packing strip 33 adapted to have sliding contact with the inner surface of the casing 1 and with the sides of the abutment 30. This packing has been indicated by dotted lines in Figure 2. Suitable packing indicated at 34 in Figure 1 is also provided along the diverging edges of the abutment 30 so as to prevent leakage past said edges.

A central bore 35 is formed diametrically within the ball 24 and perpendicularl to the screw plug against rotation. The inner port as'will be obvious.

Y certain of the members.

apart for the -portion 38 and bears against the inner end of the other counterbore.

The shaft 39 extends beyond the ball 24 and through the block 20 and the ring 21 and projects into a conical extension 41 on the head 11. In this conical extension is mounted a frusto-co-nical rotatable member 42 having aperipheral recess 43 in which is seated a sleeve 44. The shaft 39 is journaled in this sleeve, there being roller bearings 45 within the sleeve for reducing friction to the minimum.

A cap 46 is secured on the extension 41 and has a shaft 47 journaled therein, the inner end of this shaft being secured to the rotatable member 42 and said shaft being provided with roller bearings 48 and 49. The bearings 49 are adjustable as shown. It will be noted that the sleeve 44 in which the shaft 39 is journaled has a rounded face which bears against the inner rounded wall of the recess 43 so that said sleeve is thus made self aligning.

A tube 50 is employed for supplying lubricant to the space in which the member 42 is mounted. That portion of the ball 24 exposed within the opening in the ring 21 has a passage 51 extending thereinto and communicating with a diametrical passage 52 formed between the sections of the ballv and opening into corresponding diametrical passages 53 formed in the disk28. These passages 53 extend to the groove 32 and to that portion of the ball engaged by the inner edge of the abutment 30.

It will be understood that lubricant supplied to the pump from the pipe 50 will'be distributed to all of the working parts. When the shaft 47 is rotated the upper end of the shaft 39 is caused to revolve in a circle and a wobble motion is imparted to. the disk 28. Consequently fluid will be drawn into the casing 1 through one of the ports 3 or 4 and will be expelled through the other Wear upon the different parts can be taken up by adjusting or example the abutment can be adjusted by means of the screw 9 and the bearings 14 and 20 can be adjusted by the screw plug 15 and the ring 21 respectively.

While the structure is especially designed for forcing gases or liquid it is to be understood that it can also be employed as a compressor and also as a hydraulic clutch in transmission mechanisms.

The various parts can be easily taken purpose of cleaning or repairing them.

To insure proper lubrication of the strip 33 a groove 33 can be extended partly therearound, this groove being in communicatlon, at intervals, with the lubricant filled space back of the strip.

A passage 51 can be employed for conducting lubricant to the recess in the plug '15. A packing gland 54 is used above the bearing 48 to prevent the escape of any portion of the lubricant forced under pressure into the structure through pipe or tube 50.

Should the part 1 become worn from use,

abutment interposed between the heads and straddled by the wobble disk, a shaft extending from the ball, means for swinging one end portion of the shaft in a circle to impart a wobble'motion to the disk without rotating the disk, and a self aligning bearing for said end of the shaft.

2. In a pump a casing, opposed frustoconical heads connected thereto, bearings adjustably mounted in the heads, a sectional ball journalled in the bearings, a wobble disk gripped between the sections of the ball and working between'the heads and upon the inner surface of the casing, a radially adjustable abutment straddled the disk, there being lubricant passages between the members of the ball and' within the disk and a passage extending into the ball from the surface thereof, a rotatablemember within one of the heads, a shaft journaled therein and extending from the ball, said shaft being mounted to swing in a circle by the rotation of the member, a self aligning bearing for said shaft and means for directing lubricant onto said member and into the passages to the working faces of the ball and isk.

3. In a pump the combination with a casing and frusto-conical heads connected thereto, one of said heads having a conical extension, of adjustable bearings within the heads, a sectional ball journaled in the bearings, a wobble disk held between the sections, a radially adjustable abutment between the heads and movably engaged by the ball, said disk straddling the abutment, there being communicating lubricant passages within the ball and disk for directing lubricant to the inner end of the abutment and to the periphery of the disk, means for directing lubricant into the extension, there being a passage within the ball for directlIlg lubricant from the extension to the first mentioned passages, a member revoluble In testimony that I claim the foregoing as within the extension, a self aligning sleeve my own, I have hereunto alt-fixed my signe- Within the member and mounted ofi center, ture in the presence of two witnesses and a shaft secured Within the ball and jour- JAMES A. GOQDNEJRQ.

\ naled within the sleeve, send shaft constitut- Witnesses:

1 of the ball.

ing means for holding together the sections T. F. CRONIER,

' R. JAMES.

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