US210353A - Improvement in valve-gears for engines - Google Patents

Improvement in valve-gears for engines Download PDF

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Publication number
US210353A
US210353A US210353DA US210353A US 210353 A US210353 A US 210353A US 210353D A US210353D A US 210353DA US 210353 A US210353 A US 210353A
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Prior art keywords
plate
valve
engines
slide
attached
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Expired - Lifetime
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    • 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
    • F01L29/00—Reversing-gear
    • F01L29/04—Reversing-gear by links or guide rods
    • 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
    • Y10T74/16—Alternating-motion driven device with means during operation to adjust stroke
    • Y10T74/1625—Stroke adjustable to zero and/or reversible in phasing
    • Y10T74/1642—Device driven from selected points on oscillating link
    • 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
    • Y10T74/18184—Crank, pitman, and lever

Definitions

  • My invention relates to a novel valve-movement for steam-engines, whereby the throw of the valve is increased or diminished by the action of the governor by means of a self-adjustin g slide, as hereinafter fully described, and set forth in the specification and claims.
  • Figure 1 is a side elevation.
  • Fig. 2 is an end-elevation.
  • A represents the bed.
  • B is a standard attached thereto.
  • 0 is the self-adjusting slideplate, actuated by the governor attached to the stem E.
  • the stem E has a joint, F, to allow the slide-plate O to work freely without hinderance.
  • the portion G of the stem is provided with a screw-thread to screw into the socket H, for vertical adjustment when required.
  • the slide-plate O is held in place by means of the plate D and set-screws a.
  • the stem connecting the governor to the adjustable slide-plate O is pivoted to the stud d attached to the slide-plate.
  • I represents the eccentric attached to the flywheel shaft of the engine, and'is connected to the slide-plate O by means of the connectin g-rod J, attached to the wrist-pin K.
  • the upper end of the slide-plate O has the wrist-pin L, to which the connecting-rod M is attached, and connected to the lever N by means of the wrist-pin P.
  • the lever N operates the rotary valve R.
  • the governor is attached to the circular plate 0, attached to the standard S.
  • the plate D oscillates upon the stud e. (Seen in Fig. 2.)
  • the plate D and slide-plate 0 act entirely independently of each other, the plate D oscillating only on the stud 0, while the slide-plate (J oscillates with plate D, and also slides longitudinally on plate D to changethe throw of the valve according to the speed of the governor.
  • the center of the slide-plate G at the pivot (Z) is easily changed by the speed of the governor, making the whole moving mechanism extremely sensitive.
  • the plate D pivoted centrally on a fixed point, and having attached thereto an adjustable sliding plate, the opposite ends of said plate being connected respectively to the valve-stem and the eccentric, substantially as herein shown and described.
  • the stem E provided with the joint F and socket H, in combination with the oscillating slide-plate O and plate D, substantially as and for the purpose specified.

Description

I B. P. PERRY. Valve-Gear for Engines.
No. 210,353. Patented Nov. 26,1878.
F fly 2 in? eaves. [221162; for:
METERS. PHOTO UTNGGRAPNER wAsmNGToN. D C
UNITED STATES PATENT OEEIoE.
BENJAMIN P. PERRY, OF RICHMOND, INDIANA.
IMPROVEMENT IN VALVE-GEARS FOR ENGINES.
Specification forming part of Letters Patent No. 210,353, dated November 26, 1878; application filed November 18, 1878.
To all whom it may concern:
Be it known that I, BENJAMIN P. PERRY, of Richmond, in the county of \Vayne and State of Indiana, have invented certain Improvements in Valve-Movements, of which the following is a specification:
My invention relates to a novel valve-movement for steam-engines, whereby the throw of the valve is increased or diminished by the action of the governor by means of a self-adjustin g slide, as hereinafter fully described, and set forth in the specification and claims.
Figure 1 is a side elevation. Fig. 2 is an end-elevation.
A represents the bed. B is a standard attached thereto. 0 is the self-adjusting slideplate, actuated by the governor attached to the stem E. The stem E has a joint, F, to allow the slide-plate O to work freely without hinderance. The portion G of the stem is provided with a screw-thread to screw into the socket H, for vertical adjustment when required. The slide-plate O is held in place by means of the plate D and set-screws a. The stem connecting the governor to the adjustable slide-plate O is pivoted to the stud d attached to the slide-plate.
I represents the eccentric attached to the flywheel shaft of the engine, and'is connected to the slide-plate O by means of the connectin g-rod J, attached to the wrist-pin K. The upper end of the slide-plate O has the wrist-pin L, to which the connecting-rod M is attached, and connected to the lever N by means of the wrist-pin P. The lever N operates the rotary valve R. The governor is attached to the circular plate 0, attached to the standard S.
The plate D oscillates upon the stud e. (Seen in Fig. 2.) The plate D and slide-plate 0 act entirely independently of each other, the plate D oscillating only on the stud 0, while the slide-plate (J oscillates with plate D, and also slides longitudinally on plate D to changethe throw of the valve according to the speed of the governor. Thus it will be seen that the center of the slide-plate G at the pivot (Z is easily changed by the speed of the governor, making the whole moving mechanism extremely sensitive.
Having thus fully described my intention, what I claim, and desire to secure by Letters Patent, is-
1. In valve-gear for engines, the plate D, pivoted centrally on a fixed point, and having attached thereto an adjustable sliding plate, the opposite ends of said plate being connected respectively to the valve-stem and the eccentric, substantially as herein shown and described.
2. The stem E, provided with the joint F and socket H, in combination with the oscillating slide-plate O and plate D, substantially as and for the purpose specified.
BENJAMIN P. PERRY.
\Vitnesses '1. P. BUNYAN, MARIDETH 00X.
US210353D Improvement in valve-gears for engines Expired - Lifetime US210353A (en)

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