US35966A - Improvement in steam-pumps - Google Patents

Improvement in steam-pumps Download PDF

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US35966A
US35966A US35966DA US35966A US 35966 A US35966 A US 35966A US 35966D A US35966D A US 35966DA US 35966 A US35966 A US 35966A
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Prior art keywords
steam
piston
link
crank
improvement
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H21/00—Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
    • F16H21/44—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying or interconverting oscillating or reciprocating motions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18216—Crank, lever, and slide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18992—Reciprocating to reciprocating

Definitions

  • rI-his invention consists in combining a crank and iiywheel with a direct-connection steam-pump by means of a vibrating link and sliding box arranged and operating substantially as hereinafter described.
  • A is the bedplate having the steam-cylinder B and pump-cylinder O arranged horizontally upon it in line with each other.
  • D is the pistonrod which constitutes the direct connection between the steam-piston B and the pump-piston O', having secured to it midway between the pistons a cross-head,E.
  • F is the shaft of the crank M and iiy-wheel N,arranged in suitable hearings,a a,upon the bed-plate transversely to the piston-rod, and midway between the two cylinders,the crankwrist b being oppositethe piston-rod and the iiy-wheel outside of the bed-plate.
  • G is the vibrating linky having a longitudidal slot, c, for the reception of the sliding box d, which is fitted to the crank-Wrist, and havingin its lower part a slot, e, which is litted to slide on a square, f, formed yupon a rock-shaft, H, which is arranged parallel with and some distance directly below the crank-shaft in bearings in two rigid hangers, g'g, which are secured to opposite sides of the bed-plate.
  • the upper end ofthis link is forked, as shown in Fig. 2, and .in opposite sides of the fork are provided or secured boxes h h for the receptionA of the two journalsjj of the cross-head on opposite sides of the piston-rod.
  • the eccentric wrist I On one end of the crankshaft is the eccentric wrist I, which gives motion to a second vibrating link, J, by which the induction and eduction valve L of the steam-cylinder is operated, the lower end of the said link being arranged to oscillate upon the rock-shaft H, and the upper end being connected with the valve-stem i.

Description

UNITED STATES PATENT OEEICE.
CALVIN WOODWARD AND GEORGE M. WOODWARD, OF NEW YORK, N. Y.
IMPROVEMENT IN STEAM-PUMPS.
Specification forming part of Letters Patent No. 35,966, dated July 22, 186'?.
To all whom it may concern:
Be it known that` we, CALVIN WOODWAED and GEORG-E M. WooDWAEn,both of the city, county, and State of New York, have invented a new and useful Improvement in Steam-Pumps; and we do hereby declare that the following is a full, clear, and exact descript-ion of the-same, reference being had to the accompanying drawings, forming part of this specification, in which- Figure l is a side view of a steam-pump with our improvement. Fig. 2 isa transverse vertical section of the same. Fig. 3 is a central longitudinal section of the same.
Similar letters of reference indicate corresponding parts in the several figures.
rI-his invention consists in combining a crank and iiywheel with a direct-connection steam-pump by means of a vibrating link and sliding box arranged and operating substantially as hereinafter described.
A is the bedplate having the steam-cylinder B and pump-cylinder O arranged horizontally upon it in line with each other.
D is the pistonrod which constitutes the direct connection between the steam-piston B and the pump-piston O', having secured to it midway between the pistons a cross-head,E.
F is the shaft of the crank M and iiy-wheel N,arranged in suitable hearings,a a,upon the bed-plate transversely to the piston-rod, and midway between the two cylinders,the crankwrist b being oppositethe piston-rod and the iiy-wheel outside of the bed-plate.
G is the vibrating linky having a longitudidal slot, c, for the reception of the sliding box d, which is fitted to the crank-Wrist, and havingin its lower part a slot, e, which is litted to slide on a square, f, formed yupon a rock-shaft, H, which is arranged parallel with and some distance directly below the crank-shaft in bearings in two rigid hangers, g'g, which are secured to opposite sides of the bed-plate. The upper end ofthis link is forked, as shown in Fig. 2, and .in opposite sides of the fork are provided or secured boxes h h for the receptionA of the two journalsjj of the cross-head on opposite sides of the piston-rod. On one end of the crankshaft is the eccentric wrist I, which gives motion to a second vibrating link, J, by which the induction and eduction valve L of the steam-cylinder is operated, the lower end of the said link being arranged to oscillate upon the rock-shaft H, and the upper end being connected with the valve-stem i.
Steam admitted at one end of the'cyiinder B drives the piston B toward the other end,
andthe rod D moves the piston C and link G in the corresponding direction, and the link produces half a revolution of' the crank M, shaft F, and eccentric wrist I, and the said wrist brings the valve to a position to admit steam to the opposite end of the cylinder, when the motion of the piston B', rod D, piston O', and link G is reversed, and the revolution of the crank is completed, causing the wrist I to bring the valve to a position to admit steam again to the first-mentioned s ide of the piston; and in this way the operation 'is repeated, the link G having, besides its vibrating motion, a slight upward and downward movement, provided for by the slot e, equal to the versed sine of the arc that would be described by the centers of the boxes h h movement upward and downward in the slot The application of a crank audfly-wheel,
in combination with the direct connection of the pistons,renders the operation of the valve more certain than that produced by a tappet motion or any other valve motion actuated without a iiy-wheel, and the connection of the crank-shaft with the piston-rod, by means of the vibrating link and sliding box, permits its arrangement between the cylinders where it occupies no room in a direction lengthwise of the cylinders, but, on the contrary, permits the cylinders to be broughta little closer together than when a tappet motion is used to work the valve.
Vhat we claim as our invention, and desire to secure by Letters Patent, is
Combining a crank and fly-wheel with a diA rect-connectiou steam-pump by means of a vibrating link, G, and sliding box d, arranged and applied in connection with the piston-rod and between the steam and pump cylinders, substantially as herein specified.
CALVIN VOODWARD. GEORGE M. VOODWARD. Witnesses:
JAMES LAIRD, R. GAWLEY.
US35966D Improvement in steam-pumps Expired - Lifetime US35966A (en)

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