IMPROVEMENTS IN GOVERNORS OR APPARATUS FOR REGULATING THE SPEED OF STEAM OR OTHER MOTIVE-POWER ENGINES
Year: 1872

page_text: PROVISIONAL SPECIFICATION left by William Edward Newton at
the Office of the Commissioners of Patents, with his Petition, on
the 6th April 1872.-A communication, from abroad. by Jean
Armand Callaud, of Paris, France.
:
I, WILLIAM EDWARD NEWTON, of the Office for Patents, 66, Chancery
Lane, in the County of Middlesex, Civil Engineer, do hereby declare
the nature of the said Invention for "IMPROVEMENTS IN GOVERNORS OR
APPARATUS FOR REGULATING THE SPEED OF STEAM OR OTHER MOTIVE-POWER
ENGINES," to be as follows:-
This Invention consists mainly in the application of a pendulum
(such as is usually employed for clockwork movements) for regulating
or governing the speed of motive-power engines.
The construction of this kind of governor is founded upon the follow-
ing principles-First, the motive-power engine itself transmits rotary
motion to a ratchet wheel by means of a click connected to a lever
which is made to oscillate at a speed corresponding to the speed at
which the engine is going, so that at each oscillation of the lever the
click will drive round the ratchet wheel one tooth. Second, an ordinary
pendulum (the length of which is determined according to the speed at

page_text: which the engine is intended to run) carries an escapement which at
each oscillation of the pendulum allows one tooth of the escapement
wheel to pass. These two wheels (the escapement and ratchet wheels)
are mounted loosely on the same axle, but are connected together by an
arrangement of toothed gearing which transmits the motion of one to
the other, and which gearing is mounted on another shaft placed
parallel to the escapement shaft, so that if one of these two wheels goes
faster than the other by reason of the increase or decrease of the speed
of the engine (the vibrations of the pendulum always remaining the
same) a forward or backward movement of the secondary shaft (which
carries the intermediate gearing) will take place. This lateral or oscil-
lating movement of the intermediate shaft (which is due to the altera-
tion in the normal speed of the engine) is made use of to actuate a rod
which works the throttle valve or other valve of the engine. In order
to ensure regularity in the motion of the pendulum and the proper
balance of the mechanism the intermediate gearing and shafting which
is mounted excentrically is counterbalanced by a weight so as to
maintain all parts in equilibrium.
7

page_text: PROVISIONAL SPECIFICATION left by William Edward Newton at
the Office of the Commissioners of Patents, with his Petition, on
the 6th April 1872.-A communication from abroad by Jean
Armand Callaud, of Paris, France.
I, WILLIAM EDWARD NEWTON, of the Office for Patents, 66, Chancery
Lane, in the County of Middlesex, Civil Engineer, do hereby declare
the nature of the said Invention for "IMPROVEMENTS IN GOVERNORS OR
APPARATUS FOR REGULATING THE SPEED OF STEAM OR OTHER MOTIVE-POWER
ENGINES," to be as follows:-
This Invention consists mainly in the application of a pendulum
(such as is usually employed for clockwork movements) for regulating
or governing the speed of motive-power engines.
The construction of this kind of governor is founded upon the follow-
ing principles: First, the motive-power engine itself transmits rotary
motion to a ratchet wheel by means of a click connected to a lever
which is made to oscillate at a speed corresponding to the speed at
which the engine is going, so that at each oscillation of the lever the
click will drive round the ratchet wheel one tooth. Second, an ordinary
pendulum (the length of which is determined according to the speed at

page_text: which the engine is intended to run) carries an escapement which at
each oscillation of the pendulum allows one tooth of the escapement
wheel to pass. These two wheels (the escapement and ratchet wheels)
are mounted loosely on the same axle, but are connected together by an
arrangement of toothed gearing which transmits the motion of one to
the other, and which gearing is mounted on another shaft placed
parallel to the escapement shaft, so that if one of these two wheels goes
faster than the other by reason of the increase or decrease of the speed
of the engine (the vibrations of the pendulum always remaining the
same) a forward or backward movement of the secondary shaft (which
carries the intermediate gearing) will take place. This lateral or oscil-
lating movement of the intermediate shaft (which is due to the altera-
tion in the normal speed of the engine) is made use of to actuate a rod
which works the throttle valve or other valve of the engine. In order
to ensure regularity in the motion of the pendulum and the proper
balance of the mechanism the intermediate gearing and shafting which
is mounted excentrically is counterbalanced by a weight so as to
maintain all parts in equilibrium.