IMPROVEMENTS IN THE GENERATION AND EMPLOYMENT OF MIXED VAPORS FOR THE PRODUCTION OF MOTIVE POWER, AND IN THE METHOD OF PROTECTING THE INDIARUBBER PACKINGS OF PIPE JOINTS AND CONNECTIONS OF ENGINES WORKED BY SUCH VAPORS
Year: 1880

page_text: PROVISIONAL SPECIFICATION left by Alexander Melville Clark at the
Office of the Commissioners of Patents on the 29th July 1880. A communi-
cation from abroad by Edwin Livingston Brady, of the City, County, and
State of New York, United States of America.
ALEXANDER MELVILLE CLARK, of 53, Chancery Lane, in the County of
Middlesex, Patent Agent. "IMPROVEMENTS IN THE GENERATION AND EMPLOYMENT
OF MIXED VAPORS FOR THE PRODUCTION OF MOTIVE POWER, AND IN THE
METHOD OF PROTECTING THE INDIARUBBER PACKINGS OF PIPE JOINTS AND
CONNECTIONS OF ENGINES WORKED BY SUCH VAPORS." A communication from
abroad by Edwin Livingston Brady, of the City, County, and State of New York,
United States of America.
This Invention consists, first, in the use of a mixture for actuating and propelling
a piston consisting of a vapor generated from the bisulphide of carbon and
saponified paraffine oil; secondly, in the method hereinafter described for producing
a motor for actuating a piston, viz., forcing, admitting, or injecting bisulphide of
carbon into a boiler containing saponified paraffine oil and water, which should be
first heated to a temperature of from 175° to 200° Fah.; and, thirdly, in the
method of operating a piston, as hereinafter described, viz., supplying the cylinder
of the engine with a mixed vapor generated by the action of heat in a mixture of
saponified paraffine oil, water, and bisulphide of carbon.
The apparatus employed comprises a boiler; a surface condenser; a circulating
pump, attached to the condenser; a check valve, affixed to the boiler and attached
to the pipe through which the bisulphide of carbon is admitted or injected to the
boiler; an exhaust pipe from the valve chest of the engine to the condenser; a
reservoir at bottom of the condenser, for containing the saponified paraffine oil and
the bisulphide of carbon; a double acting force pump with valves so arranged as
to lift and force against the boiler pressure, and attached to the inlet pipe used to
carry the fluids, bisulphide of carbon and saponified paraffine oil, from the reservoir
of the condenser to the boiler; and an exhaust pipe connecting the valve chest of
the engine with the inner surface of the tubes of the condenser, which pipe is to
carry the exhaust vapor (after use in the cylinder) back to the condenser to be
condensed again into liquid and afterwards transmitted again through the pump to
Price 201

page_text: the boiler. In all pipes connecting the boiler, engine, reservoirs, pumps, where
flanged joints are used with rubber packing between said joints, the inner edges
of the rubber must be coated with asphaltum to prevent the rubber from becoming
dissolved by the action of the bisulphide of carbon, and no rubber packing must
be used around the piston rods or valve stems for the same reason, neither must
any lubricants of animal, fish, or vegetable oils be used in the cylinder or valve
chest for well understood chemical reasons, but all such lubricants should be
saponified paraffine oils.
The reservoir of the condenser is provided to hold a supply of bisulphide of
carbon, but a space is left above the bisulphide of carbon to hold a packing of water
of several inches, which is interposed as a safeguard against accident from ignition
when the apparatus is in action. The vapor returned from the exhaust pipe of
the engine is condensed in the condenser and falls as a liquid to the reservoir, and
the bisulphide of carbon being of greater gravity than water sinks to the bottom
of the reservoir, but that portion of the condensed vapor which is due to and has
its origin from the application of heat to the saponified paraffine oil will float on
the top of the water in the reservoir, to be again transmitted to the boiler by a
pipe affixed at a high point in the reservoir for that purpose, and, if desired,
branched in onto the pipe used to transmit the bisulphide of carbon from the
reservoir to the boiler at a point between the pump and the reservoir.
The saponified paraffine oil in the boiler is used to vaporise more readily the
bisulphide of carbon from its sensibility to heat and its ability as a vapor mixer to
buoy up and carry with the bisulphide of carbon vapor the vapor of the paraffine
oil, which acts as a lubricant to the internal parts of the engine, cylinder, &c., and
prevents the sulphurous deposits from fouling and destroying the surfaces of the
metals, which has heretofore prevented the practical use of the bisulphide of carbon
as a motor by itself or with water vapor or other ingredients.