US1142803A - Speed-governor. - Google Patents

Description

V. .I. DIEFENDERFER.

SPEED GOVERNOR.

APPLICATION FILED SEPT. 14, 1914.

THE NORRIS PETERS CO-. PHOm-LITHKI. WASHINGTDN, D, C

V. J. DIEFENDERFER.

' SPEED GOVERNOR. I APPLICATION FILED SEPT. 14, 1914.

1,142,803. PatentedJune 15, 1915.

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VICTOR J. DIEFENDERFEB, OF SOUTH BETHLEHEM, PENNSYLVANIA, ASSIGNOR TO VICTOR ENGINEERING COMPANY, LIMITED, 0F ALLEN'I'OWN, PENNSYLVANIA.

SPEED-GOVERNOR.

Specification of Letters Patent. Patented J une 15, 1915,

Application filed September 14, 1914. Serial No. 861,572.

To all whom it may concern Be it known that I, Vroron J. DIEFEN- DERFER, a citizen of the Jnited States, residing in South Bethlehem, in the county of Northampton and State of Pennsylvania, have invented certain new and useful Improvements in Speed-Governors, of which the following is a specification.

This invention relates to governors for regulating the speed of steam engines and other prime movers and machines, the speed of which may vary and which require mechanism for so controlling them as to maintain as nearly as possible a uniform speed.

It relates particularly to governors in which balls or weights contained within a casing are pivotally connected with an upright shaft and are rotated with the shaft and casing, while at the same time moving outward from the axis of the shaft and rising while in contact with the casing causing the latter to rise and fall, and by suitable connections, to operate mechanism which controls the action of the engine valves or other suitable devices for regulating the engine speed.

According to this invention I provide a casing within which are contained centrifugally operated balls in contact with the upper and lower walls of the casing and connected in a new way to a vertical governor shaft passing through the casing by arms of such construction as to allow the balls to rise and fall to the desired extent to give the required movement to the controlling mechanism.

My improvements are shown in the accompanying drawings, in which,

Figure 1 shows a vertical central section through a speed governor embodying my invention with some parts shown in elevation. Fig. 2 is a view on an enlarged scale and in transverse section on the line 2-2 of Fig. 1. Fig. 8 is a top plan view on an enlarged scale with the top of the casing removed. Fig. 4 shows a transverse section on the line 4ll of Fig. 1. Fig. 5 is a perspective view of one of the end members of one of the governor weights. Fig. 6 is a perspective view of one of the governor arms. Fig. 7 is a perspective View of the middle member of one of the governor weights. Fig. 8 shows an end elevation thereof.

The casing comprises a body portion A and a removable top or cover A held in place by screws w'. The body portion A is circular in cross section having a bottom wall a and a vertical side wall o The caslng is formed with a boss or hub a through which extends the governor shaft B and to which it is connected at s' in such manner that it rotates therewith, but may move vertically thereon. The top A is provided with a dome a having acavity or chamber a? to accommodate certain parts of the mechanism hereinafter referred to. The upper end of the governor shaft 13 extends through the dome a and is connected therewith by a feather and groove .9, as shown, so that the top A revolves with the shaft B but may move vertically thereon.

Vithin the casing are arranged the governor balls or weights C. These may be of any suitable construction, but are preferably made in sections as shown. I Each governor weight, as illustrated, comprises a middle part 0 and two side parts 0. The three parts 0, 0 are placed side by side by side and secured to arms D pivotally connected with the governor shaft B. Each weight is connected with the governor shaft by two links D, the upper ends of'which are pivotally connected with a trunnion block E bolted to the shaft B at e. The block E is formed with trunnions f and the arms D are held in place on the trunnions by washers f and bolts or screws P. The weight sections are preferably given the shape shown in the drawings and are grooved at o to receive the lower ends of the arms D. The end parts 0 have their outer portions curved as shown to correspond with the curvature of the casing and the middle part c has its inner part cut away as illustrated to enable it to come close to the governor shaft B when the governor is at rest or is running at low speed. The parts 0, 0 are held in place by bolts G, which also pass through the outer ends of the arms D. The governor arms D are each bent at d to form an inner part cl which, when the governor is at rest, is substantially parallel with the axis of the shaft B and an outer part (Z which is inclined relatively to the inner part. This constructionis of importance because when the weights are moved outward and upward by centrifugal force they are enabled to rise to a greater extent before the arms D come in contact with the top of the casing and thus a wider. range of movement is afforded. If the arms were straight or radial they would soon come in contact with the casing and the range of movement would be thus limited.

prime mover in any suitable way.

The boss a of the casing carries a sleeve nut L and a flanged rlng K. The nut is provided with a flange Z and between said flange and the top of the sleeve nut is interposed a collar T. The ring K and nut L revolve with the casing, but the collar T does not revolve therewith but is pivotally connected at m with levers M jointed to a bracket N attached to the standard G and also provided with means 0 for connecting them with the parts to be governed. The construction is such that as the casing rises and falls corresponding movements will be given to the levers M and to the connecting means 0.

In order to provide means for adjusting the governor when speed variation is desired, 1 may provide a spring P which surrounds the standard H and rests on a collar Q surrounding the standard and connected by links H with a collar T. The standard is threaded as shown at cl and receives anad justing nut S by means of which the tension of the spring may be varied and the sensitiveness of the governor adjusted. I would say, however, that I do not herein claim the special mechanism shown for communicating power to the governor shaft or of adjusting the governor, as my invention, so far as herein claimed, relates to the manner of arranging and operating the governor weights or balls within the casing.

I claim as my invention:

1. A speed governor, comprising a vertical driven shaft, a casing mounted to move veri,142,8oe

tically thereon and to revolve therewith, governor weights confined within the casing on opposite sides ofthe shaft and engaging the inner surface of the top wall of said casing, and swinging arms pivotally connected with the weights and pivotally connected with the shaft in a plane above the inneri'surface of the top wall ofthe casing engaged by the weights.

2. A speed governor, comprising a vertical driven shaft, a casing mounted to move vertically thereon and to revolve therewith and the top of which is dome-shaped and provided with a chamber, governor-weights confined within the casing on opposite sides of the shafts and engaging at all times the inner surface of the top wall of the casing, and swinging arms pivotally connected with the shaft in said chamber above the inner surface of the top wall of the casing, and also pivoted to said weights for the purpose specified.

3. A speed governor, comprising a vertical driven shaft, a casing mounted to move vertically thereon and to revolve therewith, governor weights within the casing on opposite sides of the shaft and engaging the inner surface of the top wall thereof, and swinging arms pivotally connected with the shaft above said inner surface, said arms having inner portions connected with the shaft and outer portions connected with the weights arranged at an angle to said inner portions.

4.,A speed governor, comprising a vertical driven shaft, a casing mounted to move vertically thereon and to revolve therewith, governor weights made in sections within the casing on opposite sides of the shaft and engaging the top wall of said casing, and swinging arms pivotally connected with the shaft and secured between the sections of the weights.

In testimony whereof, I have hereunto subscribed my name.

VICTOR J. ninrnnnnnrna.

Witnesses:

H. J. HARTzoe, S. W. CHILEs.

Gopiea of this patent may be obtained for five cents each, by addressing the Commissioner of Fatents, Washington, D. 0.

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