An Improved Governor for Marine Steam Engines.
Year: 1893

page_text: Date of Application, 20th Feb., 1893
Complete Specification Left, 6th Sept., .1893-Accepted, 7th Oct., 1893
PROVISIONAL SPECIFICATION.
An Improved Governor for Marine Steam Engines.
I, THOMAS JAMES, of Gwendoline Villa, Fisher Street, Morriston, in the
County of Glamorgan, Foundry Manager, do hereby declare the nature of my said
invention to be as follows:-
The object of my invention is to effect improvements in the method of governing
marine steam engines, and in means and appliances for effecting the same
automatically.
My invention consists in the application of a pendulum or weighted lever,
suspended so as to work in a fore and aft direction, the lever being connected with
the expansion gear, throttle valve, or other gear, for regulating the speed of the
engine, and preventing racing of the engine when the stern is lifted by the pitching
of the vessel. The pendulous lever is so mounted that the rolling of the vessel is
prevented from affecting its position in the vessel, the weighted end being confined
between guides in a line with the keel, and fitted with wheels or rollers to reduce
friction. The lower part of the lever is slotted for the purpose of adjusting the
position of the weight.
When the vessel pitches in a sea, the lever swings forward, and, by its connection
with the valves controlling the admission of the steam, the same is suitably reduced
to prevent racing. On the vessel returning again to an even keel, the lever opens
the valves, and thereby causes the engine to exert its full power.
The connection with the valve or other steam regulating gear may be by
connecting rods, rack and pinion, or any other suitable means.
Dated 90th Wah 1000
GEO.
DOWNING,
8, Quality Court, London, W.C., Agent.
COMPLETE SPECIFICATION.
An Improved Governor for Marine Steam Engines.
I, THOMAS JAMES, of Gwendoline Villa, Fisher Street, Morriston, in the
County of Glamorgan, Foundry Manager, do hereby declare the nature of my suid
invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
The object of my invention is to effect improvements in the method of governing
marine steam engines, and in means and appliances for effecting the same
automatically.
My invention consists in the application of a pendulum or weighted lever,
suspended so as to work in a fore and aft direction, the lever being connected with
the expansion gear, throttle valve, or other gear, for regulating the speed and
preventing racing of the engine, when the stern is lifted by the pitching of the
vessel. The pendulous lever is so mounted that the rolling of the vessel is
prevented from affecting its position in the vessel, the weighted end being coufined
between guides in a line with the keel, and fitted with wheels or rollers to reduce
friction. The lower part of the lever is slotted for the purpose of adjusting the
position of the weight.
When the vessel pitches in a sea, the lever swings forward, and, by its connection
with the valves controlling the admission of the steam to the engine, the same is
suitably reduced to prevent racing. On the vessel returning again to an even keel,
the lever opens the valves, and thereby causes the engine to exert its full power.

page_text: The connection with the valve, or other steam regulating gear, may be by
connecting rods, rack and pinion, or any other suitable means.
And in order that my said invention may be particularly described and ascertained,
reference is hereby made to the accompanying drawing, illustrating one method of
carrying out my invention, and in which similar letters of reference indicate
corresponding parts.
The frame a is formed in two parts, which are bolted together at a suitable
distance apart by bolts bb, shown in section; part of the frame being removed to
show the mechanism. c is the pendulous lever, pivoted at d. e is the weight or
load attached to the lower end of the lever e, and adjustable by means of a bolt f
is the forward adjustable stop, and gl is the after adjustable stop. These stops
limit the swing of the weight e. hhare rollers attached to the weight e, which
roll upon one side of the guide; the guide consisting of two plates attached to
or forming part of the frame a; the plate being broken in the drawing.
The lever is slotted at c¹ for the reception of the pivot m of the adjustable
link . The link is pivoted at n¹ to the slotted arm of the bell-cranked lever n.
The other arm of the lever n is pivoted at o to the slotted link p. is a hand-
wheel, fast on the screw v, which screw carries the block w, the latter carrying the
pivot of the lever n. s is a weighted lever fast on the shaft t. The short arm of
the lever s is pivoted at s¹ to the link p. t is a crank arm, fast on the shaft t.
The crank pin of the crank t' is attached to a rod u, which may be attached to and
caused to operate upon the throttle valve, expansion link, or other gear for regulating
the distribution of the steam in the cylinder or cylinders of the engine.
C
The frame a may be secured to a bulk head, or to either side of a vessel, or to
the framing of the engine, or in any other suitable position, for operating upon the
valves in an effectual manner.
The several parts being adjustable, it will be understood that the arc of vibration
of the lever c, and the action of the same upon the distribution of the steam, may
be regulated as required, and made to suit the state of the sea and other
circumstances.
It is obvious that the form, construction, and arrangement of the several parts
may be varied to suit the particular vessel to which my invention may be applied.
.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. In a marine steam engine governor, the combination of a weighted lever or
pendulum linked to the throttle, expansion, or other gear for controlling the
admission and distribution of the steam to the engine or engines, substantially as
herein before described and illustrated by the drawing.
2. In a marine steam engine governor, in which the vibration of a weighted
lever or pendulum in a fore and aft direction is utilised for controlling the
admission and distribution of the steam, the combination therewith of adjustable
attachments for the purpose of regulating the action and operation of the several
parts, substantially as herein before described and illustrated by the drawings.
3. The general construction, arrangement, and combination of the several and
respective parts, together forming my invention of an improved governor for
marine steam engines, substantially as herein before described and illustrated by
the drawings.
1000