US81072A - Improvement in goveenobs foe steam-engines - Google Patents

Description

@einen tatre ,gat-entl @ffice J. L. DIKINSON, OF DUBUQUPL'IW'A'.

Letters Patent No. 81,072, dated August 18, 1868.

IMPROVEMENT IN GOVERNORS FOR STEAM-ENGINES.

`TO ALL WHOM IT-MAY CONCERN:

Y Be it known that I, Jl L. DIGKINSON, of Dubuque, in the county of Dubuque, in the State of Iowa, assigner to myself and to Rouse and Dean, ofthe same place, have invented a new and useful Improvement in Governors and I do hereby declare that the following is a full, clear, and exact description ofthe construction and operation ofthe same, reference being had to the annexed drawings, making a part of this specification, in which-V Figure A is an oblique perspective view of the governors as adapted to different kinds of valves used in steam-engines.

B, parts ofthe spindle, revolving head, and tube or sleeve, which drives the head and spindle. v C, side view of bent lever or crank, from the red line'on the arm to the spindle, showing the journal and a. half box under it. I

D, plan view of the same, in which thecrank is seen, and the trunnions of the adjustable boxes, in section.

a 'af are spurs on the spindle, between which the crank-end of the arms works. i ,b are the bent or crank-ends of the arms. c c are thesame, showing thejourals ou the arms, and the adjustable boxes,'by means -of which a lateral motion is given tothe balls, in addition `to theusual vertical motion.

d d', sectio'nof the annular head, holding the boxes, and forming'the guide to the upper' end ofthe spindle. e e are the boxes; l f, section of cap over spindle. Like igures refer to like parts. 1 is the spindle. 2 is the pin, attaching the spindle to the mortised socket, through which the lever passes. 3l is the mortised socket in. section. 4 is the bevel-wheel, driving the sleeve 5, the spindle 1, the head d ci', -and'the balls. 5 is-the sleeve, running in colulnn 12, and having the head d d fastened to it, and. the spindle running up and .down in it. l

6 are the trunnions ofthe boxes, allowing the usual 'vertical motion of the balls. j 7 is the tube, bearing the shaft, with pulley outside and bevel-wheel inside, giving motion to driving-wheel 4. Y 8 is the valve-stern, when the valve is in an upright steam-pipe, in which case the lever 11 can be cut oil` at the red line. i j j 9 is the valve-stem for valve in horizontal pipe, or fol-the butterfly-valve in either.

10 is the counterpoise.

11 is the lever.

12 is the column, in which runs the sleeve 5.

j l Operation. 4 The operation of the improvement is as follows, viz, that, when the engine is in motion, the balls arein the same position as in all ordinary governors;I that when the motion is suddenly checked, by increased resistance or load, the momentumof the balls carries them ahead of the.governfor, thereby acting through the j crankends ofthe arhls upon the' valve quicker than by the fall of the ballsl alone.

By the force of momentum combined with gravitation, a more sensitive governor is made, and a more uniform motion is secured. i

. l Claim. A What I claim as my invention, and desire to secure by Letters Patent, is

The crank-form of the upper end 'of the ball-arms, in combination with the adjustable boxes, giving both llateral and vertical motion to the balls, for the purpose and in the manner substantially as'herein described.

J. L. DICKINSON. Witnesses: f

ELL. FULTON, WM. HALL.

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