US792975A - Turbine. - Google Patents

Description

PATENTED JUNE 20, 1905.

P. M. FABER.

TURBINE.

APPLICATION FILED 00T.12,19o3.{

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| I I v J Il INVENTOR nu@ www www WITNESSES UNITEDv STATES Patented .nine 2o, 1905.

PATENT OFFICE.

FRANK M. FABER, OF PITTSBURG, PENNSYLVANIA, ASSIGNOR TO WILLIAM S. ELLIOTT, OF PITTSBURG, PENNSYLVANIA.

TURBINE.

SPECIFICATION forming part of Letters Patent No. 792,975, dated June 20, 1905.

Application filed October 12, 1903. Serial 110,176,665.

Figure 1 is a longitudinal Vertical section of my improved turbine. Fig. 2 is an end viewshowingoneoftheclamping-rings. Figs. 3 and 4 are detail views.

My invention relates to the class of turbines,

. and more particularly to the turbines employed in connection with boiler-cleaners; and the object of the invention is to improve the structure of the turbine, to provide an eiiicient thrust-bearing therefor, to prevent water from creeping into the bearing, and to lengthen the life of the tool.

In the drawings, 2 is the turbine-case, of cylindrical form, with a hose-coupling 3 screwed to its rear end.

4 is the turbine-wheel proper, having curved passages 5 cut through it, these passages being closed at the outer sides by the metal of the wheel. The wheel is cut away around its intermediate part to form an annular chamber 6 between the hub portion 7 and the outer ring portion containing the passages 5. The hub portion 7 is internally screw-threaded to receive an externally-screw-threaded bushing 8, forming a bearing around the turbine-shaft 9. The hub is provided with a rearwardlyprojecting sleeve portion 10, which is provided on its exterior surface with helical or inclined grooves, as shown, and the inner enlarged bore of this sleeve portion 10 receives the rear annular ring portion 11 of the bushing 8. This ring portion 11 fits loosely within the bore of the sleeve 10 and is provided with a transverse slot 12, which receives the inwardly-projecting lugs 13 of a ring 14, surrounding the shaft 9. The ring 14 is beveled or inclined on its rear annular face to receive a conical thrust-ring 15. A series of these rings are fitted against each other in the chamber within the sleeve portion 1() and around the shaft, and at the rear end of the nest of ing an undercut or inwardly-beveled outer face 21. rear portion and engages screw-threads in a hole leading through the stationaryportion 18. The rear end of the shaft is secured by the lock-nuts 22.

The bushing 8 is slotted at its front end to receive lugs on the ring 23, which is similar to the ring 16. A series of conical thrustrings 24 fit between the ring 23 and the beveled inner face of a collar 25 on the shaft 9. Around the forwardly-projecting portion 26 of the shaft is a sleeve 27, having an enlarged rear portion 28 screwed into the wheel around the forward thrust-bearing. The head 29 for the tool is screwed onto the front end of the sleeve 27, which at its front end contains a screw cap 30, covering the chamber 31, through which the end of the shaft 26 may be reached. This end of the shaft is provided with a notch 32 to receive a screw-driver in securing the parts together.

In the operation of the device the water or fluid under pressure enters the chamber 33 in the rear part of the case and thence iiows through the passages 19 and into the curved passages 5 to rotate the turbine-wheel. Any leakage between the stationary part of the turbine and its wheel passes into the chamber 6 and is thrown to the outer wall of this chamber by the undercut portion of the ring 21. Any water passing back over the hub 7 is forced out into the chamber 6 by the vanes or grooves of the part 10, and the water in the uchamber 6 flows out through the leakage-holes 34. The shaft 9 remains stationary and the turbine-wheel rotates on the bearing between The shaft 9 is screw-threaded in its the bushing 8 and the shaft 9 and also on the bearing between the sleeve 27 and the portion 26 of the shaft. The end thrust in both directions is taken up by the conical thrustrings, which make the device long lived. These conical thrust-rings present an important advantage in that they do not slide over each other and wear rapidly, as in the case of fiat thrust-rings. Their form causes them to nest within each other and be retained in place.

The advantages of my invention result from the peculiar arrangement of the bearing, from the arrangement of the leakage-chamber, the elongation of the journal, and the long life of the turbine under the severe surface of driving a cleaner-head.

The shaft may rotate with the wheel or the wheel may rotate on the shaft, and many other changes may be made in the form and arrangement of the parts without departing from my invention.

The leakage-chamber, provided with leakage-holes, disclosed in the present application constitutes the subject-matter of certain claims in my copending application, Serial N o. 147,068, filed March 1 0, 1903.

1 claim 1. The combination of a shaft carrying an annular seat, a turbine-wheel revoluble on said shaft and provided with an annular seat, and a series of rings between said seats, loose on said shaft, and having conical faces in'contact across their surfaces; substantially as describedl 2. The combination of a shaft carrying an annular seat, a turbine-wheel revoluble on said shaft and provided with an annular seat, a series of dished rings between said seats, loose on said shaft, and in contact across their surfaces, and a casing extending from said wheel over said rings; substantially as described.

3. The combination of a shaft having two spaced annular seats, a turbine-wheel revoluble on said shaft and provided with corresponding annular seats, and a series of dished rings between each pair of opposed seats, loose on said shaft, and in contact across their surfaces; substantially as described.`

4. The combination of a shaft having two spaced annular seats, a turbine-wheel revoluble on said shaft and provided with corresponding annular seats, a series of dished rings therefor between each pair of opposed seats, loose on said shaft, and in contact across their surfaces, and a casing extending from the wheel over each set of rings; substantially as described.

5. The combination of a shaft carrying an annular seat, a turbine-wheel, a bushing in said wheel provided with a shaft-bearing and an annular seat, and a series of dished rings between said seats, loose on said shaft, and in contact across their surfaces; substantially as described.

6. A turbine-wheel having a leakage-chamber and inclined projections or threads arranged to force the water forwardly out of said chamber; substantially as described.

7 A turbine having a rotary turbine-wheel with an inner leakage-chamber and a stationary ring or deflector projecting into the chamber; substantially as described.

8. A turbinewheel arranged to rotate around a fixed shaft, separated thrust-bearings between the turbine and shaft and a collar secured to the wheel and surrounding a front portion of the shaft forming a bearing for said wheel; substantially as described.

9. A turbine-wheel having a shaft provided with a thrust-bearing', and journals for said wheel on both sides of the thrust-bearing; substantially as described.

10. A turbine-wheel having two separated thrust-bearings and journals, one of said jour- `nals being between the thrust-bearings; substantially as described.

In testimony whereof 1 have hereunto set my hand.

- FRANK M. FABER. Witnesses:

GEO. B. BLEMING, JOHN MILLER.

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