US122224A - Improvement in steam-engines - Google Patents

Improvement in steam-engines Download PDF

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US122224A
US122224A US122224DA US122224A US 122224 A US122224 A US 122224A US 122224D A US122224D A US 122224DA US 122224 A US122224 A US 122224A
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steam
engines
improvement
exhaust
valve
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L15/00—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00
    • F01L15/08—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 with cylindrical, sleeve, or part-annularly-shaped valves; Such main valves combined with auxiliary valves

Definitions

  • E are the piston-rods, secured to the cross-heads F of a reciprocating frame, G, which is arranged to slide along the top of the bed A, and is connected,by means of a pitman, h, to the crank h on the sha-ft of the fly-wheel h
  • the pistons are so arranged that one approaches the partition G while the other recedes from it,
  • the drawing shows the piston 011 the left as at the outer end of the cylinder and the valve in position to exhaust the chamber through which said piston plays, and to move to the left and adnit steam to the other chamber, so as to move the other piston to the right.
  • the cylinder'constructed a's herein described prevents steam cushioning to a great extent, and enables the en gineer to keep the packing in order more easily than in an ordinary engine.

Description

L. CARMAN.
Improvement in Steam- Engines.
No. 122,224. Paented Dec. 2e,s7..
es s e s I l [bren 67 2:*
UNITED STATES PATENT OFFCE'.
LEANDER CARMAN, OF MCCOY S STATION, OHIO.
IMPR OVEMENT IN STEAM-ENGINES.
Specification forming part of Letters 'Patent No. 122,224, dated December 26, 187 1.
To all whom it may concew:
Be it known that I, LEANDER GARMAN, of Mc- Goy s Station, in the county of J efi'erson and State of Ohio, have invented a new and val nable Improvement in Stean-Engines; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation i of the same, reference being had to the annexed drawing making a part of this specificaton, and
'to the letters and figures of reference marked ,which is open at both ends and divided into two similar amrtments, B', by means of a center partition, G, on either side of which are the steanpassages d opening into the valve-box D. Between the passages d is a wall, d in which is made an eXhaust-opening or passage, d G' indicates the pistons working within the chambers or apartments B'. E are the piston-rods, secured to the cross-heads F of a reciprocating frame, G, which is arranged to slide along the top of the bed A, and is connected,by means of a pitman, h, to the crank h on the sha-ft of the fly-wheel h The pistons are so arranged that one approaches the partition G while the other recedes from it,
one of the apartments B exhausting while the exhaust steam to pass through from the cylinder a to the eXhaust-passage d Steam passing through the valve-box is let into the apartnents B alternately, according as the changing position of the valve opens the communication and closes the eXhaust.
The drawing shows the piston 011 the left as at the outer end of the cylinder and the valve in position to exhaust the chamber through which said piston plays, and to move to the left and adnit steam to the other chamber, so as to move the other piston to the right.
The cylinder'constructed a's herein described prevents steam cushioning to a great extent, and enables the en gineer to keep the packing in order more easily than in an ordinary engine.
What I claim as my invention, and desire to secure by Letters Patent, is
, In' a stea n-engine having the open-end cylin der B separated into two compartnents, B' B', by the partition G, the arrangement of the steampassages d d, the intervening wall d perforated for the exhaust d and the D-valve H, all constructed and arranged to operate as specified.
In testimony that I claim the above, I have hereunto subscribed my name in the presence of two witnesses.
LEANDER CARMAN.
witnesses B. L. MYERS,
J. F. BALL. V 150
US122224D Improvement in steam-engines Expired - Lifetime US122224A (en)

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