AN IMPROVEMENT IN GOVERNORS FOR STEAM AND OTHER FLUID PRESSURE ENGINES
Year: 1883

page_text: LETTERS PATENT to Charles John Galloway and John Henry Beckwith both
of Knott Mill Iron Works Manchester in the County of Lancaster for an
Invention of AN IMPROVEMENT IN GOVERNORS FOR STEAM AND OTHER FLUID
PRESSURE ENGINES
"
PROVISIONAL SPECIFICATION left by the said Charles John Galloway
and John Henry Beckwith at the Office of the Commissioners of Patents on
the 29th January 1883.
CHARLES JOHN GALLOWAY and JOHN HENRY BECKWITH both of Knott Mill
Iron Works Manchester in the County of Lancaster "AN IMPROVEMENT IN
GOVERNORS FOR STEAM AND OTHER FLUID PRESSURE ENGINES
"
Our Invention relates to Governors for steam and other fluid pressure engines of
the kind shewn in the drawings annexed to the Specification of Letters Patent
granted to us on the 13th June 1876 N° 2439, in which the governor balls are in
the form of rollers borne down by a heavy transverse bar.
The object of our present improvement is to secure simplicity in construction
and power and efficiency of regulating action.
For this purpose we fix on the top of a vertical rotating spindle a crosshead, to
each end of which is jointed a pair of pendant links, carrying at their lower end a
roller. A sleeve fitted on the vertical spindle with a feather so that it can slide
thereon but must turn therewith, is made with two heavy arms, each arm extending
over one of the above mentioned rollers between its suspending links. The
underside of each arm which bears on the roller below it is concavely curved
downwards towards its extremity. The sleeve may extend downwards below the
rollers and have on it collars recei ring between them the fork of the lever that
works the regulating valve or gear. Or the spindle of the governor may be
tubular, and the sleeve on it may be connected by a transverse key working in a
slot to a central rod extending upwards or downwards to a swivel which is
connected to the regulating valve or gear. When the spindle is caused to revolve,
the rollers tend by centrifugal force to move outwards, but as they bear against
the downwardly curved under surface of the heavy arms, they in moving outwards

page_text: necessarily raise those arms and the sleeve from which the arms project. The
greater the speed of revolution, the farther do the rollers move outwards raising
the arms and sleeve the higher and so moving to a greater extent the regulating
valve or gear.
The curvature of the arms against which the rollers bear may be
varied for different engines so as to make the centrifugal action of the rollers suit
various ranges of of speed and various extents of movement of the regulating
valves or gear on which the governor has to act.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Charles John Galloway & John Henry Beckwith in the Great
Seal Patent Office on the 10th July 1883.
CHARLES JOHN GALLOWAY and JOHN HENRY BECKWITH both of Knott Mill
"AN IMPROVEMENT IN
Iron Works Manchester in the County of Lancaster
GOVERNORS FOR STEAM AND OTHER FLUID PRESSURE ENGINES
"
Our Invention relates to Governors for steam and other fluid pressure engines of
the kind shewn in the drawings annexed to the Specification of Letters Patent
granted to us on the 13th June 1876, No 2439, in which the governor balls are in
the form of rollers borne down by a heavy transverse bar.
The object of our present improvement is to secure simplicity in construction
and power and efficiency of regulating action.
For this purpose we construct a governor as shewn by the front view Fig. 1,
the side view Fig. 2 and the plan Fig. 3. We fix on the top of a vertical rotating
spindle A a crosshead B to each end of which is jointed a pair of pendant links Č
A sleeve E fitted on the vertical spindle A
carrying at their lower end a roller D.
with a featber so that it can slide thereon but must turn therewith, is made with
two heavy arms F, each arm extending over one of the rollers D between its
suspending links C. The underside of each arm F, which bears on the roller
below it, is concavely curved downwards towards its extremity. The sleeve E
extends downwards below the rollers and has on it collars G, receiving between
When the
them the fork of the lever that works the regulating valve or gear.
spindle A. is caused to revolve, the rollers D tend, by centrifugal force, to move
outwards, as indicated by the dotted lines in Fig. 1, but as they bear against the
downwardly curved under surface of the heavy arms F, they, in moving outwards,
necessarily raise those arms and the sleeve E from which the arms F project. The
greater the speed of revolution, the farther do the rollers move outwards raising
the arms and sleeve the higher, and so moving to a greater extent the regulating
valve or gear. The curvature of the arms F against which the rollers bear, may be
varied for different engines, so as to make the centrifugal action of the rollers suit
various ranges of speed and various extents of movement of the regulating valves
or gear on which the governor has to act.

page_text: Although we have shewn the arms F and the collars G on a sleeve fitted to slide
externally on the spindle A, it is to be understood that the spindle A might be
tubular and that the arms F might be attached to a spindle, sliding within A, by a
cotter passing through slotted holes in the sides of the tubular spindle.
Having thus described the nature of our invention and in what manner the same
is to be performed, We claim:
The construction of governor for steam and other fluid pressure engines, wherein
rollers suspended from a crosshead on a revolving spindle bear against the curved
under surfaces of heavy arms, fitted to slide vertically on the spindle, substantially
as herein described.
In Witness whereof We the said Charles John Galloway and John Henry
Beckwith have hereunto set our hands and seals this Sixth day of July
in the year of our Lord One thousand eight hundred and eighty three.
ADRES TOWN CALLOWAY