US814145A - Engine. - Google Patents

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US814145A
US814145A US22784804A US1904227848A US814145A US 814145 A US814145 A US 814145A US 22784804 A US22784804 A US 22784804A US 1904227848 A US1904227848 A US 1904227848A US 814145 A US814145 A US 814145A
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plate
lever
base
shaft
rod
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US22784804A
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Isador Lehman
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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
    • F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
    • F16H21/18—Crank gearings; Eccentric gearings
    • F16H21/22—Crank gearings; Eccentric gearings with one connecting-rod and one guided slide to each crank or eccentric
    • F16H21/32—Crank gearings; Eccentric gearings with one connecting-rod and one guided slide to each crank or eccentric with additional members comprising only pivoted links or arms
    • 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
    • Y10T74/18176—Crank, pitman, lever, and slide

Definitions

  • This invention relates to improvements in upright engines operated by fluid under pressure.
  • One object of this invention is the provision, in an upright engine, of such a simplified operative connection between the piston of the cylinder of the engine and the crank of the engine-shaft that the required reciprocations or movements of the piston and the connected pitman are not only materially shorter than would be the case if the said pitman were directly connected with the crank,
  • Another object is to provide a simple and meritorious stationary framework for the engine, which framework is composed of members which are readily assembled and secured in place;
  • A designates the vertically-arranged cylinder of an upright steam-engine, a the piston contained within and adapted to operate endwise of the cylinder, and B the stationary framework of the engine.
  • the framework B comprises a horizontally-arranged base-plate 3, a horizontallyarranged top plate 5, and an intermediate horizontally-arranged plate 4.
  • the plates 3, 4, and are suitably spaced vertically and parallel.
  • the intermediate plate 4 is arranged nearer the top plate 5 than to the 'base-plate 3.
  • the base-plate 3 rests upon the floor or foundation C, upon which the en gine is mounted.
  • the framework B also comprises any suitable number of upright posts formed by rods 6, which extend vertically through correspondingly-arranged holes 2, formed in the plates 3, 4, and 5, and a suitable distance above and below the plates 5 and 3, respectively.
  • the end portions of the rods 6 are screw-threaded externally, and correspondinglyscrew-threaded nuts 7 are mounted on the said rods next below the base-plate 3, and the floor or foundation C is reduced, as at 8, to accommodate the location of the said nuts.
  • nuts 10 are mounted on the rods 6 next above the baseplate 3. The nuts 7 and 10 secure the vertical posts formed by the rods 6 to the'baseplate 3.
  • the plate 4 is mounted upon the upper ends of tubes 13, which embrace the rods 6 and extend between the said plate and the nuts 10 and rest upon the said nuts, and consequently upon the base-plate 3.
  • top plate 5 rests upon the upper ends of tubes 14, which embrace and extend longitudinally of the rods 6 between the said plate 5 and the plate 4 and rest upon the lastmentioned plate.
  • Nuts 12 are mounted on the rod 6 next above the top plate 5 and hold the said plate down upon the tubes 14-. It will be observed, therefore, that the framework B is simple in construction and composed of sections which are readily assembled.
  • the cylinder A is mounted upon the plate 5.
  • the rod or stem 15 of the piston (1 extends vertically through the lower head of the cylinder and through the topplate 5 into the space between the plates 4 and 5, and the plate 5 is slotted, as at 9, to accommodate the location and operation of the piston-rod.
  • the engine-shaft G is supported in any approved manner from the plate 3.
  • the shaft G is arranged horizontally and. at a right angle to the travel of the piston a, and g indicates the crank of the said shaft.
  • the plate 3 is slotted, as at 1.6, to accommodate the location and operation of the shaft G and its crank g, and the floor or foundation C is recessed, as at 18, to accommodate the location and operation of the said crank.
  • the shaft G is provided with a fiy-wheel 17, and the floor or foundation C is recessed, as at 20, as shown in dotted lines, to accommodate the location of the said wheel.
  • An upright pitman f extends from the lower end of a piston-rod 15 downwardly and is pivoted at its upper end, as at 22, to the said rod horizontally and parallel with the engine-shaft.
  • the plate 4 is slotted, as at 23, to accommodate the location and operation of the pitmanf.
  • a lever h is arranged to oscillate in a vertical'plane between the piston-rod 15 and the engine-shaft G.
  • the lever h is journaled upon an axle Z, which is arranged horizontally preferably exactly vertically above and parallel with the shaft G.
  • the axle Z is suitably supported from the plate 4, which is slotted, as at 24, to accommodate the location and operation of the lever h.
  • the lever h is preferably an angular lever depending from the axle Z and provided below the pitman f with an upwardly-projecting arm 25, to which the said pitman is pivoted at its lower end, as at 26, horizontally and parallel with the shaft G.
  • the pivotal connection between the lever 7L and the pitmanf is arranged at one side of the axis of the said lever, and the lever h is operatively connected at the opposite side of its axis by means of a rod or link m with the crank g of the shaft G.
  • the link m is pivoted at its upper end, as at 28, horizontally and parallel with the shaft G to the lever h.
  • the link m at its lower end loosely embraces the wrist 27 of the crank g.
  • a vertically-arranged guiderod 1 which extends vertically loosely through the plates 4 and 5 and has lateral bearing in the said plates, and the piston-rod 15 and the guide-rod r are connected together between the said plates by a web 30, which is fixed in any approved manner to the said rods.
  • the relative arrangement of the parts is such that the pivotal connection between the link m and the lever h is substantially as far from the axis of the said lever as from the pivotal connection between the lever h and the crank g and arranged. lower than the pivotal connection between the pitman and the said lever, that the distance from the pivotal connection between the pitman f and the lever 7b to the axis of the said lever is approximately one-half the distance from the said axis to the pivotal connection between the lever and the link m, and that the pivotal connection between the lever and the pitman is located farther than the axis of the lever from the pivotal connection between the lever and the link m.
  • a horizontally-arranged base-plate In an engine of the character indicated, a horizontally-arranged base-plate; a horizontally-arranged top plate located a suit able distance vertically above the base-plate; an intermediate horizontally-arranged plate between and separate from the top plate and base-plate; vertically-arranged posts extending through the said plates and above and below the top plate and base-plate respectively and secured to the base-plate; tubes embracing the posts between the base-plate and the intermediate plate, which tubes rest upon the base-plate and bear the intermediate plate; tubes embracing the posts between the intermediate plate and the top plate and resting upon the intermediate plate and bearing the top plate; means for holding the top plate down upon the last-mentioned tubes; an engine-shaft supported from the baseplate; an upright engine-cylinder mounted on the top plate; the piston in the cylinder, which piston has its rod or stem depending through the lower head'of the cylinder, and an upright pitman pivoted at its upper end horizontally and parallel with the shaft to the piston-rod and operatively connected at its lower end with the shaft
  • a horizontally-arranged base-plate a horizontally-arranged top plate located a suitable distance vertically above the base-plate an intermediate horizontally-arranged plate between and separate from the top plate and base-plate vertically-arrangedposts extending.
  • a horizontally-arranged base-plate a horizontally-arranged top plate located a suitable distance vertically above the base-plate; an intermediate horizontally-arranged plate between and separate from the top plate and base-plate vertically-arranged posts extending through the said plates and above and below the top plate and base-plate respectively and secured to the base-plate; tubes embracing the posts between the base-plate and the intermediate plate, which tubes rest upon the base-plate and bear the intermediate plate; tubes embracing the posts between the intermediate plate and the top plate and resting upon the intermediate plate and bearing the top plate; means for holding the top plate down upon the last-mentioned tubes; an engine-shaft supported from the base-plate and provided with a crank; an upright enginecylinder mounted on the top plate; the piston in the cylinder, which piston has its rod or stem depending through the lower head of the cylinder; an upright pitman pivoted at its upper end horizontally and parallel with the shaft to the piston-rod an axle located at one side of the travel of the pitman and supported from the intermediate plate,
  • a horizontally-arranged base-plate a horizontally-arranged top plate located a suitable distance vertically above the base-plate an intermediate horizontally-arranged plate between and separate from the top plate and base-plate; vertically-arranged posts formed and the intermediate plate, which tubes rest upon the base-plate and bear the intermediate plate; tubes embracing the rods between the intermediate plate and the top plate and resting upon the intermediate plate and bearing the top plate; nuts on the rods at the upper side of the top plate; an engine-shaft supported from the base-plate and provided with a crank; an upright enginecylinder mounted on the top plate; the piston in the cylinder, which piston has its rod or stem depending through the lower head of the cylinder, and an upright pitman pivoted at its upper end horizontally and parallel with the shaft to the piston-rod and operatively connected at the lower end with the shaft, and the top plate being slotted to accommodate the location and operation of the piston-rod, the intermediate plate being slotted to accommodate the location and operation of the operative connection between the pitman and the shaft,
  • the stationary framework the engine-shaft provided with a crank; an engine-cylinder supported from the stationary framework a suitable distance from the shaft; the piston in the cylinder having its rod or stem extending toward the shaft; a pitman pivoted to the piston-rod and extending from the piston-rod toward the shaft; a lever supported from the stationary framework and arranged between the pitman and the shaft with the axis of the lever parallel with the shaft, which lever has an arm projecting toward and pivoted to the pitman horizontally and at one side of and parallel with the axis of the lever; a rod or link pivoted to the lever horizontally at the opposite side of and parallel with the axis of the lever and operatively connected with the crank of the shaft, and a guide-rod arranged at one side of and parallel and operatively connected with the piston-rod, and the stationary framework affording bearing to the said guide-rod.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

UNITED STATES PATENT OFFICE.
ENGINE.
Specification of Letters Patent.
Patented March 6, 1906.
Application filed October 10. 1904. Serial No.227,848.
T0 aLZ whom, it may concern: 1
Be it known that I, ISADOR LEHMAN, a citizen of the United States of America, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Engines Operated by.
Fluid Under Pressure; and I hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same.
This invention relates to improvements in upright engines operated by fluid under pressure.
One object of this invention is the provision, in an upright engine, of such a simplified operative connection between the piston of the cylinder of the engine and the crank of the engine-shaft that the required reciprocations or movements of the piston and the connected pitman are not only materially shorter than would be the case if the said pitman were directly connected with the crank,
but that the arrangement of the parts is convenient, that the number of parts required to form the aforesaid operative connection is reduced to a minimum, and that the provision of a guide-rod arranged parallel and movable with the piston-rod is accommodated.
Another object is to provide a simple and meritorious stationary framework for the engine, which framework is composed of members which are readily assembled and secured in place;
With these objects in view this invention consists in certain peculiarities of construction and arrangement and combinations of parts hereinafter described, and pointed out in the claims.
The accompanying drawing is a side elevation, largely in section, of the greater portion of an upright steamengine embodying my invention.
Referring to the drawing, A designates the vertically-arranged cylinder of an upright steam-engine, a the piston contained within and adapted to operate endwise of the cylinder, and B the stationary framework of the engine.
The framework B comprises a horizontally-arranged base-plate 3, a horizontallyarranged top plate 5, and an intermediate horizontally-arranged plate 4. The plates 3, 4, and are suitably spaced vertically and parallel. The intermediate plate 4 is arranged nearer the top plate 5 than to the 'base-plate 3.
The base-plate 3 rests upon the floor or foundation C, upon which the en gine is mounted. The framework B also comprises any suitable number of upright posts formed by rods 6, which extend vertically through correspondingly-arranged holes 2, formed in the plates 3, 4, and 5, and a suitable distance above and below the plates 5 and 3, respectively. The end portions of the rods 6 are screw-threaded externally, and correspondinglyscrew-threaded nuts 7 are mounted on the said rods next below the base-plate 3, and the floor or foundation C is reduced, as at 8, to accommodate the location of the said nuts. Also nuts 10 are mounted on the rods 6 next above the baseplate 3. The nuts 7 and 10 secure the vertical posts formed by the rods 6 to the'baseplate 3.
The plate 4 is mounted upon the upper ends of tubes 13, which embrace the rods 6 and extend between the said plate and the nuts 10 and rest upon the said nuts, and consequently upon the base-plate 3.
The. top plate 5 rests upon the upper ends of tubes 14, which embrace and extend longitudinally of the rods 6 between the said plate 5 and the plate 4 and rest upon the lastmentioned plate. Nuts 12 are mounted on the rod 6 next above the top plate 5 and hold the said plate down upon the tubes 14-. It will be observed, therefore, that the framework B is simple in construction and composed of sections which are readily assembled.
The cylinder A is mounted upon the plate 5. The rod or stem 15 of the piston (1 extends vertically through the lower head of the cylinder and through the topplate 5 into the space between the plates 4 and 5, and the plate 5 is slotted, as at 9, to accommodate the location and operation of the piston-rod.
The engine-shaft G is supported in any approved manner from the plate 3. The shaft G is arranged horizontally and. at a right angle to the travel of the piston a, and g indicates the crank of the said shaft. The plate 3 is slotted, as at 1.6, to accommodate the location and operation of the shaft G and its crank g, and the floor or foundation C is recessed, as at 18, to accommodate the location and operation of the said crank. The shaft G is provided with a fiy-wheel 17, and the floor or foundation C is recessed, as at 20, as shown in dotted lines, to accommodate the location of the said wheel.
An upright pitman f extends from the lower end of a piston-rod 15 downwardly and is pivoted at its upper end, as at 22, to the said rod horizontally and parallel with the engine-shaft. The plate 4 is slotted, as at 23, to accommodate the location and operation of the pitmanf.
A lever h is arranged to oscillate in a vertical'plane between the piston-rod 15 and the engine-shaft G. The lever h is journaled upon an axle Z, which is arranged horizontally preferably exactly vertically above and parallel with the shaft G. The axle Z is suitably supported from the plate 4, which is slotted, as at 24, to accommodate the location and operation of the lever h. The lever h is preferably an angular lever depending from the axle Z and provided below the pitman f with an upwardly-projecting arm 25, to which the said pitman is pivoted at its lower end, as at 26, horizontally and parallel with the shaft G.
The pivotal connection between the lever 7L and the pitmanf is arranged at one side of the axis of the said lever, and the lever h is operatively connected at the opposite side of its axis by means of a rod or link m with the crank g of the shaft G. The link m is pivoted at its upper end, as at 28, horizontally and parallel with the shaft G to the lever h. The link m at its lower end loosely embraces the wrist 27 of the crank g.
Between the axis of the lever h and the travel of the piston-rod 15 and parallel with the said travel is a vertically-arranged guiderod 1, which extends vertically loosely through the plates 4 and 5 and has lateral bearing in the said plates, and the piston-rod 15 and the guide-rod r are connected together between the said plates by a web 30, which is fixed in any approved manner to the said rods.
The peculiar shape of the lever 7c shown and hereinbefore described accommodates the location and operation of the guide-rod r.
The relative arrangement of the parts is such that the pivotal connection between the link m and the lever h is substantially as far from the axis of the said lever as from the pivotal connection between the lever h and the crank g and arranged. lower than the pivotal connection between the pitman and the said lever, that the distance from the pivotal connection between the pitman f and the lever 7b to the axis of the said lever is approximately one-half the distance from the said axis to the pivotal connection between the lever and the link m, and that the pivotal connection between the lever and the pitman is located farther than the axis of the lever from the pivotal connection between the lever and the link m.
What I claim is- 1. In an engine of the character indicated, a horizontally-arranged base-plate; a horizontally-arranged top plate located a suit able distance vertically above the base-plate; an intermediate horizontally-arranged plate between and separate from the top plate and base-plate; vertically-arranged posts extending through the said plates and above and below the top plate and base-plate respectively and secured to the base-plate; tubes embracing the posts between the base-plate and the intermediate plate, which tubes rest upon the base-plate and bear the intermediate plate; tubes embracing the posts between the intermediate plate and the top plate and resting upon the intermediate plate and bearing the top plate; means for holding the top plate down upon the last-mentioned tubes; an engine-shaft supported from the baseplate; an upright engine-cylinder mounted on the top plate; the piston in the cylinder, which piston has its rod or stem depending through the lower head'of the cylinder, and an upright pitman pivoted at its upper end horizontally and parallel with the shaft to the piston-rod and operatively connected at its lower end with the shaft, and the top plate being slotted to accommodate the location and operation of the piston-rod, the intermediate plate being slotted to accommodate the location and operation of the operative connection between the pitman and the shaft, and the base-plate being slotted to accommodate the location and operation of the crank.
2. In an engine of the character indicated, a horizontally-arranged base-plate; a horizontally-arranged top plate located a suitable distance vertically above the base-plate an intermediate horizontally-arranged plate between and separate from the top plate and base-plate vertically-arrangedposts extending. through the said plates and above and below the top plate and base-plate respectively and secured to the base-plate; tubes embracing the posts between the base-plate and the intermediateplate, which tubes rest upon the base-plate and bear the intermediate plate; tubes embracing the posts between the intermediate plate and the top plate and resting upon the intermediate plate and bearing the top plate; means for holding the top plate down upon the last-mentioned tubes; an engine-shaft supported from the baseplate and provided with a crank; an upright engine-cylinder mounted on the top plate; the piston in the cylinder, which piston has its rod or stem depending through the lower head of the cylinder; an upright pitman pivoted at its upper end horizontally and parallel with the shaft to the piston-rod; a lever supported from the intermediate plate and arranged with its axis parallel with the shaft, which lever is pivoted to the lower end of the pitman horizontally and parallel with and at one side of the axis of the lever, and a rod or link pivoted to the lever horizontally and parallel with and at the opposite side of the axis of the lever and operatively connected with the crank of the shaft, and the top plate being slotted to accommodate the location and operation of the piston-rod, the intermediate plate being slotted to accommodate the location and operation of the pitman and the lever, and the base-plate being slotted to accommodate the location and operation of the crank.
3. In an engine of the character indicated, a horizontally-arranged base-plate; a horizontally-arranged top plate located a suitable distance vertically above the base-plate; an intermediate horizontally-arranged plate between and separate from the top plate and base-plate vertically-arranged posts extending through the said plates and above and below the top plate and base-plate respectively and secured to the base-plate; tubes embracing the posts between the base-plate and the intermediate plate, which tubes rest upon the base-plate and bear the intermediate plate; tubes embracing the posts between the intermediate plate and the top plate and resting upon the intermediate plate and bearing the top plate; means for holding the top plate down upon the last-mentioned tubes; an engine-shaft supported from the base-plate and provided with a crank; an upright enginecylinder mounted on the top plate; the piston in the cylinder, which piston has its rod or stem depending through the lower head of the cylinder; an upright pitman pivoted at its upper end horizontally and parallel with the shaft to the piston-rod an axle located at one side of the travel of the pitman and supported from the intermediate plate, which axle is arranged horizontally and parallel with the shaft; a lever ournaled on and depending from the said.axle, which lever is pivoted to the lower end of the pitman horizontally and parallel with and at one side of the axis of the lever, and a rod or link pivoted to the lever horizontally and parallel with and at the opposite side of the axis of the lever and operatively connected with the crank of the shaft, and the top plate being slotted to accommodate the location and operation of the piston-rod, the intermediate plate being slotted to accommodate the location and operation of the pitman and the lever, and the base-plate being slotted to accommodate the location and operation of the crank.
4. In an engine of the character indicated, a horizontally-arranged base-plate a horizontally-arranged top plate located a suitable distance vertically above the base-plate an intermediate horizontally-arranged plate between and separate from the top plate and base-plate; vertically-arranged posts formed and the intermediate plate, which tubes rest upon the base-plate and bear the intermediate plate; tubes embracing the rods between the intermediate plate and the top plate and resting upon the intermediate plate and bearing the top plate; nuts on the rods at the upper side of the top plate; an engine-shaft supported from the base-plate and provided with a crank; an upright enginecylinder mounted on the top plate; the piston in the cylinder, which piston has its rod or stem depending through the lower head of the cylinder, and an upright pitman pivoted at its upper end horizontally and parallel with the shaft to the piston-rod and operatively connected at the lower end with the shaft, and the top plate being slotted to accommodate the location and operation of the piston-rod, the intermediate plate being slotted to accommodate the location and operation of the operative connection between the pitman and the shaft, and the base-plate being slotted to accommodate the location and operation of the crank.
5. In an engine of the character indicated, the stationary framework; the engine-shaft provided with a crank; an engine-cylinder supported from the stationary framework a suitable distance from the shaft; the piston in the cylinder having its rod or stem extending toward the shaft; a pitman pivoted to the piston-rod and extending from the piston-rod toward the shaft; a lever supported from the stationary framework and arranged between the pitman and the shaft with the axis of the lever parallel with the shaft, which lever has an arm projecting toward and pivoted to the pitman horizontally and at one side of and parallel with the axis of the lever; a rod or link pivoted to the lever horizontally at the opposite side of and parallel with the axis of the lever and operatively connected with the crank of the shaft, and a guide-rod arranged at one side of and parallel and operatively connected with the piston-rod, and the stationary framework affording bearing to the said guide-rod.
In testimony whereof I sign the foregoing specification, in the presence of two witnesses, this 6th day of October, 1904, at Cleveland, Ohio.
ISADOR LEHMAN.
Witnesses:
C. H. DORER, G. M. HAYES.
US22784804A 1904-10-10 1904-10-10 Engine. Expired - Lifetime US814145A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499334A (en) * 1966-11-07 1970-03-10 Schuler Gmbh L Drive for a feed device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499334A (en) * 1966-11-07 1970-03-10 Schuler Gmbh L Drive for a feed device

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