US82342A - Improvement in valye-gear foe oscillating engines - Google Patents
Improvement in valye-gear foe oscillating engines Download PDFInfo
- Publication number
- US82342A US82342A US82342DA US82342A US 82342 A US82342 A US 82342A US 82342D A US82342D A US 82342DA US 82342 A US82342 A US 82342A
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- Prior art keywords
- plate
- gear
- valve
- valye
- foe
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- 230000023298 conjugation with cellular fusion Effects 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000021037 unidirectional conjugation Effects 0.000 description 2
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Classifications
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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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
Definitions
- Figure l is a side view of an engine provided with my invention, the pillow-block for the steam side trunnion beingremoved to exhibit the parts more clearly.
- Figure 2 is a top view of the engine and valve-gear.
- the object of this. invention is to provide means whereby a slide-valve may be applied to an oscillating cylinder with effective result.
- the common slide-valve having a rectilineal reciprocating motion, may be employed, with perfect results.
- the valve is actuated by means of an eccentric, C, or any other analogous device, as a cam-crank or the dike, and the rod D thereof is provided with a hoop, G, which encircles and works with finished contact upon' thereciprocating plate E.'
- This plate is provided with an extension, lH, connecting it with the valve-stem e, as shown, so that as the plate E is actuated to and fro by the eccentric-rod and hoop, the valve B will also. be moved to and fro with it.
- the leadf canbe adjusted by the eccentric as in the case of fixed cylinder-engines.
- y d is a guide-plate for the plate E, which latter is made with an opening having two parallel sides, n n, which t with easy contact on the corresponding plane sides, n 1t', of the guide-plate d, thus furnishing a means of guiding the plate E in a rectilineal motion when actuated by the hoop G, which works upon the said plate E.
- the plate d is mounted upon. a llet or collar, b, of the steam' side trnnnion a, and may. be keyed there, if desired, for it has no motion on the collar.
- the said collar bears no important function in the invention, being made simply as a bearing for the plate d, although the latter may with equal effect be mounted directly on the trunnioii itself.
- the steam is admitted through the trassembleon e, and passes from the exhaust-port into an exhaust-cavity, leading to the opposite or exhaust-trunnion, in any suitable manner heretofore employed with oscillating engines.
- the hoop-plate E and plate d will encircle and work upon the trunnion, as before, and the plate E willbe provided with one or more extensions, suitable for connecting it with the valve-stem of the two valves.
- the said annulus may be made to revolve slowly at each stroke of the valve.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Description
CHARLES HOVERTON AND D, B. OVERTON, AOF DOVER, NEW JERSEY.
Letters Patent No. 82,342, dated September 22, 1868.
@te rlgetnle nitriet in in ilus eiiers' aimi mit mating gni ni tlgeiame;
TO ALL WHOM IT MAY CONCERN:
Be it known that we, CHARLES H. OVERTON and D. B. OVERTON, of Dover, in the county of Morris, and State of N ew Jersey, have invented a new and improvedValve-Gear for Oscillating Engines and we do hereby declare the following to be a full, clear, and exact description thereof, which will enable others skilled in the art 'to make and use the same, reference being had tothe accompanying drawings, forming a part of this specication.
Figure lis a side view of an engine provided with my invention, the pillow-block for the steam side trunnion beingremoved to exhibit the parts more clearly.
Figure 2 is a top view of the engine and valve-gear.
The object of this. invention is to provide means whereby a slide-valve may be applied to an oscillating cylinder with effective result.
Y The principal objection to the valve-gear of oscillating engines, as heretofore made, was, that the oscillating valves used would not wear uniformly, and the apparatus requisite for poppet-valves was too complex, becoming f easily deranged, and being difficult to adjust.
By means of our invention, the common slide-valve, having a rectilineal reciprocating motion, may be employed, with perfect results.
'In the drawings- I A is the steam-chest, interposed between the trunnion and the cylinder. In practice, the trunnion is cast .in the steam-chest cov'er m. The side of the steam-chest is removed, to exhibit the valve B, which in this case is the common three-ported slide-valve.
The valve is actuated by means of an eccentric, C, or any other analogous device, as a cam-crank or the dike, and the rod D thereof is provided with a hoop, G, which encircles and works with finished contact upon' thereciprocating plate E.' This plate is provided with an extension, lH, connecting it with the valve-stem e, as shown, so that as the plate E is actuated to and fro by the eccentric-rod and hoop, the valve B will also. be moved to and fro with it. By this arrangement, the leadf canbe adjusted by the eccentric as in the case of fixed cylinder-engines.
y d is a guide-plate for the plate E, which latter is made with an opening having two parallel sides, n n, which t with easy contact on the corresponding plane sides, n 1t', of the guide-plate d, thus furnishing a means of guiding the plate E in a rectilineal motion when actuated by the hoop G, which works upon the said plate E. i
The plate d is mounted upon. a llet or collar, b, of the steam' side trnnnion a, and may. be keyed there, if desired, for it has no motion on the collar. The said collar bears no important function in the invention, being made simply as a bearing for the plate d, although the latter may with equal effect be mounted directly on the trunnioii itself. y
The steam is admitted through the trunuion e, and passes from the exhaust-port into an exhaust-cavity, leading to the opposite or exhaust-trunnion, in any suitable manner heretofore employed with oscillating engines. Y
Thusby our invention we obtain a rectilineal reciprocating motion, which enables us to use a slide-valve .or valves on an oscillating cylinder in a simple and e'ectivemannver.
We will note that we contemplate, in certain cases, placing a steam-chest and valve at each end of the cylinder, in which, case the central steam-chest A will be omitted, and the trunnion cast directly on the cylinder.
The hoop-plate E and plate d will encircle and work upon the trunnion, as before, and the plate E willbe provided with one or more extensions, suitable for connecting it with the valve-stem of the two valves.
We desire to be understood as not limiting ourselves to the'form of the plate d, that is to say, to the plane sides n n', for the said plate d may consist of an annulus or collar, working with finished contact ou the trunnien, and the points of its contact with the sides n n will furnish sufficient guide-surfaces for the plate E.
To permit the wearing of facets, the said annulus may be made to revolve slowly at each stroke of the valve.
Having thus described our invention, what we claim as new, and desire tofsecure by Letters Patent, is-
The arrangement ofY the hoop G, reciprocating plateE, and'guide-plate'd, with reference -to the trunnion a of an oscillating cylinder, substantially .asshown and described.
The above specification of our invention signed by us, this 6th day of June, 1868.
CHAS. H. OVERTON, D. B..OVERTON.
Witnesses FRANK BLocKLEY, ALEX. F.- ROBERTS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US82342A true US82342A (en) | 1868-09-22 |
Family
ID=2151835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US82342D Expired - Lifetime US82342A (en) | Improvement in valye-gear foe oscillating engines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US82342A (en) |
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- US US82342D patent/US82342A/en not_active Expired - Lifetime
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