US158666A - Improvement in compound engines - Google Patents

Improvement in compound engines Download PDF

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US158666A
US158666A US158666DA US158666A US 158666 A US158666 A US 158666A US 158666D A US158666D A US 158666DA US 158666 A US158666 A US 158666A
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improvement
frames
compound
compound engines
cylinder
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam

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  • the main objects of my invention are simplicity and economy in the construction of compound propellerfengines; and these objects I attain by the peculi-ar manner of arranging the large and small cylinders in respect to each other, and by so arranging the condenser that it shall form a part/ot' the frame-work.
  • lfigure 1 of thev accompanying drawing is a side view ot' my improved compound engine, to be used in connection with a screw-propeller.
  • Fig. 2 is a sectional View of part of Fig. 1;
  • Fig. 3, a plan View of Fig. 1, and
  • Fig. 4 a diagram illustrating the application ot' my invention to side-wheel marine engines.
  • A is the base-plate, secured to the keelsons B, and having suitable bearings for the propeller-shaft D, on which is a balance-crank, E, a single pin extending from this crank to a second crank, E', on a short shaft, which carries the eccentric F for operating the valves of the engine.
  • the central line x of the small cylinder Gis arranged at right angles, or thereabout, to the central line y y of the large cylinder H, and a is the pipe through which live steam is admitted to the Valve-chest of the small cylinder, and the exhaust steam from the latter is conducted through a pipe, b, to the valve-chest of the large cylinder.

Description

UNITED STATES PATENT OFFICE SAMUEL ARCHBOLD, OF CHESTER, PENNSYLVANIA.
IMPROVEMENT IN COMPOUND ENGINES.
Specification forming part of Letters Patent No. 158,666, dated January 12, 1875; application filed September 1, 1874.
, To all whom it may concern:
Be it known that I, SAMUEL AEoEBoLD, of Chester, Delaware county, Pennsylvania, have invented certain Improvements in Compound Marine Engines, of which the following is a specilication:
The main objects of my invention are simplicity and economy in the construction of compound propellerfengines; and these objects I attain by the peculi-ar manner of arranging the large and small cylinders in respect to each other, and by so arranging the condenser that it shall form a part/ot' the frame-work.
lfigure 1 of thev accompanying drawing is a side view ot' my improved compound engine, to be used in connection with a screw-propeller. Fig. 2 is a sectional View of part of Fig. 1; Fig. 3, a plan View of Fig. 1, and Fig. 4 a diagram illustrating the application ot' my invention to side-wheel marine engines.
ln Figs. l, 2, and 3, A is the base-plate, secured to the keelsons B, and having suitable bearings for the propeller-shaft D, on which is a balance-crank, E, a single pin extending from this crank to a second crank, E', on a short shaft, which carries the eccentric F for operating the valves of the engine. The central line x of the small cylinder Gis arranged at right angles, or thereabout, to the central line y y of the large cylinder H, and a is the pipe through which live steam is admitted to the Valve-chest of the small cylinder, and the exhaust steam from the latter is conducted through a pipe, b, to the valve-chest of the large cylinder.
By this arrangement of the cylinders a vacant space is presented between them, and this space I utilize by making it the location of the condenser I, the disposal of whichin a marine engine is always a source of trouble to the designer. By placing the condenser in this position it becomes available as part of the supporting frame-work for the cylinders, the small cylinder being connected to the base-plate by two frames, J J, and the large cylinder by two similar, but larger, frames, J J', and the two pairs ot' frames being connected together by the condenser, in a manner rendered apparent by the drawing to engineers, who will readily understand the simplicity and economy of this frame-work.
I claim as my invention- The combination of the highpressure cylinder Gr and its frames J, the low-pressure cylinder H and its frames J', and the condenser I, secured to the said frames, with the base A and propeller-shaft D, all being arranged as set forth.
1n testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.
SAMUEL ARGHBOLD.`
Witnesses: f
HUBERT HowsoN, HARRY SMITH.
US158666D Improvement in compound engines Expired - Lifetime US158666A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040140839A1 (en) * 2003-01-17 2004-07-22 Shou Nagao Pulse output circuit, shift register and electronic equipment
US20040174189A1 (en) * 2001-05-29 2004-09-09 Semiconductor Energy Laboratory Co. Ltd., A Japan Corporation Pulse output circuit, shift register, and display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040174189A1 (en) * 2001-05-29 2004-09-09 Semiconductor Energy Laboratory Co. Ltd., A Japan Corporation Pulse output circuit, shift register, and display device
US20040140839A1 (en) * 2003-01-17 2004-07-22 Shou Nagao Pulse output circuit, shift register and electronic equipment

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