Year: 1888

page_text: Date of Application, 21st July, 1883
Complete Specification Left, 11th Dec., 1883
Complete Specification Accepted, 5th Feb.. 1889
We JOSEPH JOHN TYRRELL of Stamp End Iron Works Lincoln in the County of
Lincoln Engineer and PERCY DEED of the same place Draughtsman do hereby declare
the nature of this Invention to be as follows:-
This Invention has for its object to provide a high speed or weighted governor
having a regular motion and steady action without the use of the dash pot springs or
balance weights usually used for the same object.
According to this Invention the weight which moves along the spindle of the
governor to quickly return the arms of the governor when the speed is diminished is
made with a recess or cylindrical formation in it in which fits a collar or piston on the
spindle so as to leave a space for air oil or other fluid between the piston and the
bottom of the cylinder so that, as the speed of the engine increases and the governor
balls expand and the weight rises the fluid is compressed in the said recess or cylin-
drical formation in the weight and this assists in returning the weight to its normal
position when the speed decreases and effects a steadying of the entire movements of
the governor.
J. H. JOHNSON & Co.,
47, Lincoln's Inn Fields, London, W.C.,
Agents for the said Joseph John Tyrrell
and Percy Deed.

page_text: COMPLETE SPECIFICATION.
Improvements in Governors.
We JOSEPH JOHN TYRRELL of Stamp End Iron Works Lincoln in the County of
Lincoln Engineer and PERCY DEED of the same place Draughtsman do hereby declare
the nature of this invention and in what manner the same is to be performed to be
particularly described and ascertained in and by the following statement :-
This Invention has for its object to provide a high speed or weighted governor
having a regular motion and steady action without the use of the dash pot springs or
balance weights usually used for the purpose.
According to this Invention the weight which moves along the spindle of the
governor to quickly return the arms of the governor when the speed is diminished is
made with a recess or cylindrical formation in it in which fits a collar or piston on the
spindle so as to leave a space for air, oil or other fluid between the collar piston and
the bottom of the cylinder so that as the speed of the engine increases and the
balls expand and the weight rises the air or other fluid is compressed in the said recess
governor
or cylindrical formation in the weight and this assists in returning the weight to its
normal position when the speed decreases and a steadying of the entire movements of
the governor is thereby effected.
And in order that our said invention may be well understood we will describe with
reference to the accompanying sectional drawing what we consider the best means for
carrying our invention into effect premising however that we do not limit ourselves to
the precise details shown.
b
A is the spindle of the governor and B is the weight which is moved upwards on
the said spindle when the governor balls expand and downwards on it when the governor
balls descend. We form in the said weight B a recess & turned true or preferably lined
with a truly turned lining piece 62. In this recess the air or other fluid is contained.
On the spindle A is securel a piston or collar C made to truly fit in the recess 6 (or
lining 6). The piston or collar C may be formed on or secured to the spindle in any
convenient way but we prefer the arrangement shown wherein the the lower part or
collar proper is formed in one with or is fixed to the upper part E' which is screwed
on the spindle and contains a packing ring e to fit the recess 6 (or lining 63). The nut
or uppermost collar Ell acts as a lock nut to secure the part E' and the piston or
collar C in any adjusted position on the spindle so that the range of the governors
motion is regulated and properly limited.
Having now particularly described and ascertained the nature of our said invention
and in what manner the same is to be performed we declare that what we claim is :-
1. The arrangement and combination of parts constituting the improved governor
substantially as hereinbefore described and illustrated in the accompanying drawing.
2. In governors having a weight as described the provision of a recess in the weight
for containing air or other fluid and a piston or collar on the spindle entering the said

page_text: recess substantially as and for the purposes herein before described and illustrated in
the accompanying drawing.
3. In governors having a weight as described the provision of a recess in the weight
for containing air or other fluid and a piston or collar on the spindle entering the said
recess and provided with means for adjusting the said piston or collar substantially as
and for the purposes hereinbefore described and illustrated in the accompanying
drawings.