US598433A - Reversing mechanism for steam-engines - Google Patents
Reversing mechanism for steam-engines Download PDFInfo
- Publication number
- US598433A US598433A US598433DA US598433A US 598433 A US598433 A US 598433A US 598433D A US598433D A US 598433DA US 598433 A US598433 A US 598433A
- Authority
- US
- United States
- Prior art keywords
- shaft
- steam
- eccentric
- engines
- reversing mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 description 8
- 230000002093 peripheral Effects 0.000 description 4
- 210000003746 Feathers Anatomy 0.000 description 2
- 235000013531 gin Nutrition 0.000 description 2
Images
Classifications
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/22—Cranks; Eccentrics
- F16C3/28—Adjustable cranks or eccentrics
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- 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
- Y10T74/21—Elements
- Y10T74/211—Eccentric
- Y10T74/2114—Adjustable
- Y10T74/2115—Radially
Definitions
- Our invention relates to means for reversing steam and other similar engines; and its object is to provide an improved construction of the same by which we dispense with the ordinary links now in common use.
- Figure 1 is a plan view of a reversing device constructed in accordance with our invention.
- Fig. 2 is a section on the line 00 m, Fig. 1.
- Fig. 3 is a similar section looking in the opposite direc-- tion.
- Fig. 4 is a longitudinal sectional View.
- the reference-numeral 1 designates the driving-shaft of a steam or other engine.
- the numeral 2 designates an eccentric formed with an opening through which the driving-shaft passes, and at each side of said opening are circular recesses 3, in which are seated washers or collars 4, fixed to the said shaft by set-screws 5.
- the shaft can turn or oscillate on the shaft, as hereinafter described, but cannot move laterally or lengthwise of the shaft.
- a sliding block 6 through which said shaft also passes, and is'formed with a groove 7, with which engages a longitudinal rib or feather 8, secured to the shaft to prevent the block from rotating on the shaft.
- spiral rods 9 Secured to this block are spiral rods 9, which pass loosely through apertures in the eccentric and their opposite ends secured to a sliding hub 10 on said shaft.
- This hub is also provided with groove 12 and rib 13, similar to those described above with reference to the sliding block and for the same purpose.
- This hub is formed with a peripheral groove 14,
- the numeral 23 designates an eccentricstrap, and 24 the rod thereof, which operates the cylinder-valve of the engine, which may be of any ordinary or suitable construction.
- the operation is as follows: When the block 6 is moved up close to the eccentric, the engine will run in one direction, the friction between the eccentric and the fixed collar being sufficient to cause the eccentric to rotate with the shaft, when the cylinder-valve will be operated, as, usual, to alternately admit steam to and exhaust it from opposite ends of the cylinder.
- the hub is moved toward the eccentric by means of the semicircular straps, lever, and reversing-rod, causing the block 6 to be moved away from the eccentric, and by means of the spiral rods passing through the eccentric, which will overcomethe friction between the eccentric and washers, the eccentric will be turnedl on the shaft about one-third of a revolution, which will shift the cylinder-valve and reverse the engine in the manner well known to those skilled in the art.
Description
(No Model.)
C. NELSON & J. E. JONES. REVERSING MECHANISM FOR STEAM ENGINES.
Patented Feb. 1, 1898.
Nrrn
CHRIST NELSON AND JAMES ELMER JONES, OF TORONTO, SOUTH DAKOTA.
REVERSING MECHANISM FOR STEAM-ENGINES.
SPECIFICATION forming part of Letters Patent No. 598,433, dated February 1, 1898.
Application filed March 25, 1897.
T0 aZZ whom it may concern.-
Be it known that we, CHRIST NELSON and J AMES ELMER J ONES, residents of Toronto, in the county of Deuel and State of South Dakota, have invented certain new and useful Improvements in Reversing Mechanism for Steam -Engines; and we do hereby declare that the following is a full, clear, and exact description of the invention,which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification.
Our invention relates to means for reversing steam and other similar engines; and its object is to provide an improved construction of the same by which we dispense with the ordinary links now in common use.
The invention consists in the novel construction and combination of parts hereinafter fully described and claimed.
In the accompanying drawings, Figure 1 is a plan view of a reversing device constructed in accordance with our invention. Fig. 2 is a section on the line 00 m, Fig. 1. Fig. 3 is a similar section looking in the opposite direc-- tion. Fig. 4 is a longitudinal sectional View.
In the said drawings the reference-numeral 1 designates the driving-shaft of a steam or other engine.
The numeral 2 designates an eccentric formed with an opening through which the driving-shaft passes, and at each side of said opening are circular recesses 3, in which are seated washers or collars 4, fixed to the said shaft by set-screws 5. By this means the shaft can turn or oscillate on the shaft, as hereinafter described, but cannot move laterally or lengthwise of the shaft. At one side of said eccentric is a sliding block 6, through which said shaft also passes, and is'formed with a groove 7, with which engages a longitudinal rib or feather 8, secured to the shaft to prevent the block from rotating on the shaft. Secured to this block are spiral rods 9, which pass loosely through apertures in the eccentric and their opposite ends secured to a sliding hub 10 on said shaft. This hub is also provided with groove 12 and rib 13, similar to those described above with reference to the sliding block and for the same purpose. This hub is formed with a peripheral groove 14,
Serial No. 629,192. (No model.)
. with which engages flanges 15 on the inner sides of two semicircular straps 16, formed with lugs 17, throughwhichxpass screws 18 for connecting the straps together. Each of these straps is provided with an opposite pin 19, with which engages the forked or bifurcated ends of an angle-lever 20, pivoted to the engine or boiler or other convenient plate and provided with a reversing rod or bar (not shown) for moving the hub laterally on the shaft. The object of this construction is to move the hub and connected block laterally or lengthwise on the driving-shaft to reverse the engine.
The numeral 23 designates an eccentricstrap, and 24 the rod thereof, which operates the cylinder-valve of the engine, which may be of any ordinary or suitable construction.
The operation is as follows: When the block 6 is moved up close to the eccentric, the engine will run in one direction, the friction between the eccentric and the fixed collar being sufficient to cause the eccentric to rotate with the shaft, when the cylinder-valve will be operated, as, usual, to alternately admit steam to and exhaust it from opposite ends of the cylinder. To reverse the engine, the hub is moved toward the eccentric by means of the semicircular straps, lever, and reversing-rod, causing the block 6 to be moved away from the eccentric, and by means of the spiral rods passing through the eccentric, which will overcomethe friction between the eccentric and washers, the eccentric will be turnedl on the shaft about one-third of a revolution, which will shift the cylinder-valve and reverse the engine in the manner well known to those skilled in the art.
Having thus fully described our invention, what we claim is- 1. Ina reversing mechanism for steam-err gines,and other engines,the combination with the driving-shaft, the eccentric thereon, and the fixed washers engaging with said eccentric by frictional contact, of the sliding block, non-rotatable on the said shaft at one side of said eccentric, the spiral rods secured thereto and passing loosely through said eccentric, and the sliding hub to which the other ends of said rods are secured, substantially as described.
2. In a reversing mechanism for steam and flanges engaging with a peripheral groove in the hub, the pins on said straps, the bifurcated angle-lever connected therewith and r 5 the reversing-rod, substantially as described. In testimony that we claim the foregoing as our own We have hereunto affixed our signatures in presence of two Witnesses.
CHRIST NELSON.
JAMES ELMER JONES.
Witnesses:
J ER. F. FRIES, P. A. PAULSON.
Publications (1)
Publication Number | Publication Date |
---|---|
US598433A true US598433A (en) | 1898-02-01 |
Family
ID=2667076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US598433D Expired - Lifetime US598433A (en) | Reversing mechanism for steam-engines |
Country Status (1)
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US (1) | US598433A (en) |
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0
- US US598433D patent/US598433A/en not_active Expired - Lifetime
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