A New or Improved Exhaust Steam Condenser for Steam Pumps.
Year: 1889

page_text: Date of Application, 25th Oct., 1889
Complete Specification Left, 12th July, 1890-Accepted. 16th Aug.. 1890
PROVISIONAL SPECIFICATION.
A New or Improved Exhaust Steam Condenser for Steam Pumps.
We TANGYES LIMITED of Cornwall Works Sobo in the County of Stafford
Engineers and JOHN NICHOLAS FLOYD of Cornwall Cottage Murdock Road Hands-
worth in the County of Stafford Mechanical Engineer do hereby declare the nature
of this invention to be as follows :-
The said invention consists of a new or improved exhaust steam condenser for
steam pumps the parts of the said condenser being constructed and arranged and
acting substantially as hereinafter described.
By the construction and combination of parts constituting this invention a very
efficient and inexpensive condenser is produced the said condenser being arranged
in the course of the suction water on its way to the pump cylinder and the exhaust
steam being condensed and the condensed water carried into the pump by the suction
water as hereinafter described.
The exhaust steam condenser consists essentially of the following combination of
parts.
The body of the condenser consists of a nearly cylindrical vessel or casing prefer-
ably vertical in the axis of the lower part of which an inflow pipe rising to about the
middle of the casing is situated through which pipe the suction water on its way to
the pump cylinder passes. The annular space between the inflow pipe described and
the outer casing of the condenser forms a receiver for the inflowing suction water.
The said receiver is in communication with an outlet at the top of the vessel or casing
through which outlet the water passes from the condenser to the pump. At a short
distance above the inflow suction pipe and projecting partly over the annular space
between the said inflow pipe and the outer casing is a curved baffle plate circular in
plan by the use of which the inflowing suction water is directed into the receiver
hereinbefore described that is as the suction water rises in the inflowing pipe it
strikes against the said baffle plate and is thereby directed into the receiver from
whence it passes into the body of the condenser and out at the top outlet passage.
The said baffle plate has in cross section the general figure of two arches joined
side by side a deep depression or sinking being formed between the double arch.
Above the baffle plate and at right angles to the inflow suction water pipe is the
exhaust steam inlet pipe made preferably in one piece with the other parts of the
condenser. The inner end or mouth of the said exhaust steam inlet pipe is expanded
and forms an inverted cover to the baffle plate an annular space being left between
the marginal parts of the said baffle plate and the mouth or inverted cover for the
passage of the exhaust steam to the receiver. When the steam pump is at work the
inflow of suction water rises to the top of the inflow pipe where it is deflected
radially by the baffle plate into the receiver. The said water as it passes over the top
of the inflow pipe comes in contact with and condenses the exhaust steam and the
water of the condensed steam is mixed with the suction water and travels with it
into the vacuum chamber of the pump. Although we prefer to make the condenser
in one casting yet it may be made in two castings that is the axial inflow pipe and
the lower part of the outer casing and the baffle plate may be made in one piece and
the exhaust steam pipe and its expanded mouth or cover and the upper part of the
outer casing may be made in another piece and the two pieces be bolted or otherwise
joined together.
Dated this 25th day of October 1889
W. T. WHITEMAN,
Agent for the Applicants.

page_text: COMPLETE SPECIFICATION.
A New or Improved Exhaust Steam Condenser for Steam Pumps.
We TANGYES LIMITED of Cornwall Works Soho in the County of Stafford
Engineers and JOHN NICHOLAS FLOYD of Cornwall Cottage, Murdock Road Hands-
worth in the County of Stafford Mechanical Engineer do hereby declare the nature
of the said invention and the manner in which the same is to be performed to be
particularly described and ascertained in and by the following statement :-
The said invention consists of a new or exhaust steam condenser for steam pumps
the parts of the said condenser being constructed and arranged and acting
substantially as hereinafter described.
By the construction and combination of parts constituting this invention a very
efficient and inexpensive condenser is produced the said condenser being arranged
in the course of the suction water on its way to the pump cylinder and the exhaust
steam being condensed and the condensed water carried into the pump by the suction
water as hereinafter described.
The exhaust steam condenser consists essentially of the following combination of
parts.
The body of the condenser consists of a nearly cylindrical vessel or casing prefer-
ably vertical in the axis of the lower part of which an inflow pipe rising to about the
middle of the casing is situated through which pipe the suction water on its way to
the pump cylinder passes. The annular space between the inflow pipe described and
the outer casing of the condenser forms à receiver for the inflowing suction water.
The said receiver is in communication with an outlet at the top of the vessel or casing
through which outlet the water passes from the condenser to the pump. At a short
distance above the inflow suction pipe and projecting partly over the annular space
between the said inflow pipe and the outer casing is a curved baffle plate circular in
plan by the use of which the inflowing suction water is directed into the receiver
hereinbefore described; that is, as the suction water rises in the inflowing pipe it
strikes against the said baffle plate and is thereby directed into the receiver from
whence it passes into the body of the condenser and out at the top outlet passage.
The said baffle plate has in cross section the general figure of two arches joined side
by side a deep depression or sinking being formed between the double arch. Above
the baffle plate and at right angles to the inflow suction water pipe is the exhaust
steam inlet pipe made preferably in one piece with the other parts of the condenser.
The inner end or mouth of the said exhaust steam inlet pipe is expanded and forms
an inverted cover to the baffle plate an annular space being left between the marginal
parts of the said baffle plate and the mouth or inverted cover for the passage of the
exhaust steam to the receiver.
When the steam pump is at work the inflow of suction water rises to the top of
the inflow pipe where it is deflected radially by the baffle plate into the receiver.
The said water as it passes over the top of the inflow pipe comes in contact with and
condenses the exhaust steam and the water of the condensed steam is mixed with the
suction water and travels with it into the vacuum chamber of the pump.
The accompanying Drawing represents in vertical section a new or improved
exhaust steam condenser for steam pumps constructed according to the said
invention.
a is the body or casing of the condenser arranged in the course of the suction
water on its way to the pump cylinder and b is the inflow suction water pipe of the
condenser situated in the axis thereof; d is a receiver in connection with the inflow
pipe b the said receiver being made between the outer casing a and the said inflow
pipe as represented. The receiver d is in connection with the outlet pipe / of the
receiver the said outlet pipe being in communication with the pump cylinder; c is
the curved baffle plate for directing the inflowing suction water from the axial pipe b
into the receiver d; that is as the suction water rises in the inflowing suction pipe b
it strikes against the baffle plate c and is thereby directed into the receiver d from

page_text: whence it passes into the body of the condenser and out at the top of the outlet
pipe or passage to the pump cylinder. By an examination of the drawing it will
be seen that the baffle plate c has in cross section the general figure of two arches
joined side by side, a deep depression being formed between the double arch. It will
also be seen that the said baffle plate partly projects over the annular space or
chamber d of the condenser; g is the exhaust steam pipe situated at right angles to
the inflow suction water pipe b. The said inflow suction water pipe b is made
preferably in one piece with the other parts of the condenser as represented. The
inner end of the said steam inlet pipe g has the expanded form represented and
constitutes an inverted cover e to the baffle plate c, an annular space f being
left between the marginal part of the baffle plate and the month or inverted
cover e for the passage of the exhaust steam to the receiver d.
The directions of the suction water and exhaust steam through the condenser are
indicated by the arrows in the Drawing.
The action of the condenser is as follows :-
The steam pump being at work the inflow of suction water rises to the top of the
inflow pipe where it is deflected radially by the baffle plate c into the receiver d.
The suction water as it passes over the top of the inflow pipe b comes in contact
with and condenses the exhaust steam conveyed by the exhaust steam pipe g and
cover e and the condensed steam is mixed with the suction water and travels with it
through the outlet pipe into the vacuum chamber of the pump.
Although we prefer to make the condenser in one casting yet it may be made in
two castings, that is, the axial inflow pipe 6 and the lower part of the outer casing a
and the baffle plate c may be made in one piece and the exhaust steam pipe g and its
expanded mouth or cover e and the upper part of the outer casing a may be made in
another piece and the two pieces be bolted or otherwise joined together.
Having now particularly described and ascertained the nature of the said
invention and the manner in which the same is to be performed we declare that
we claim as the said invention
-
A new or improved exhaust steam condenser for steam pumps the parts of the
said condenser being constructed and arranged or combined and acting substantially
as herein before described and illustrated in the accompanying Drawing; that is to
say arranging the expanded mouth of the exhaust steam inlet pipe directly over the
axial suction water inflow pipe of the condenser and partly over the concentric
receiver in connection with the said suction water pipe, the outlet pipe of the
condenser in communication with the vacuum chamber of the pump opening into the
said receiver and the combination with the exhaust steam inlet pipe and suction water
inlet pipe of a baffle plate substantially of the kind described and illustrated.
Dated the Tenth day of July 1890
TANGYES LIMITED,
W. J. Parkins,
Secretary.
JOHN NICHOLAS FLOYD.