US138393A - Improvement in hydraulic wheel-presses - Google Patents
Improvement in hydraulic wheel-presses Download PDFInfo
- Publication number
- US138393A US138393A US138393DA US138393A US 138393 A US138393 A US 138393A US 138393D A US138393D A US 138393DA US 138393 A US138393 A US 138393A
- Authority
- US
- United States
- Prior art keywords
- presses
- improvement
- hydraulic wheel
- plungers
- plunger
- 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
- 230000002706 hydrostatic effect Effects 0.000 description 4
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Classifications
-
- 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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/04—In which the ratio between pump stroke and motor stroke varies with the resistance against the motor
Definitions
- AM PHOTO-L mm GRAPHIC ca ma (awn/m1? FRacESS UNITED STATEs PATENT OEEIcE.
- My invention consists in the provision in the water-forcing mechanism of two plungers of different diameters or areas for the purpose of rapidly charging by means of the large one and forcing partially, and completing the work. by the slower but more powerful small plunger.
- Figure 1 is a perspective view of a hydrostatic press embodying my invention.
- Fig. 2 is a section showing the driving mechanism of the two plungers.
- Fig. 3 exhibits in section the lock-up safety-valve.
- a B exhibit a wheel and axle, respectively, under pressure.
- 0 is the stationary frame of the machine;
- D an adjustable pressure-head, adapted to suit difierent lengths of axles;
- E the forcing-cylinder, and F the plunger of the same.
- G is an ordinary valve-chamber of a pump, fitted with the customary supply and discharge valves.
- two plungers, H I are fitted to operate. They are of unequal sizes, as shown.
- the large one, H is driven by eccentric-rod J, eccentric K, hollow shaft L,and driving-pulley M, and the small oneis driven by pitman N crank-wrist O, shaft P, and driving-pulley Q, the shaft P passing through the hollow In operation, the belt is first shifted over to pulley M, and the plunger H being set in motion, the cylinder E is rapidly filled, and
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
G. A. G RAY; Ir.
H ydraulic Wheei-Presses.
l-Ill.
Patented April 29, 1873.
AM PHOTO-L mm GRAPHIC ca ma (awn/m1? FRacESS UNITED STATEs PATENT OEEIcE.
GEORGE A. GRAY, JE,
OF HAMILTON, OHIO.
IMPROVEMENT IN HYDRAULIC WHEEL-PRESSES.
Specification forming part of Letters Patent No. 138,393, dated April 29, 1873; application filed August 20, 1872.
To all whom it may concern:
Be it known that I, GEORGE A. GRAY, Jr., of Hamilton, Butler county, State of Ohio, have inventedacertainnewand usefullmprovement in Hydrostatic Apparatus for Forcing Wheels on Axles and other Uses, of which the following is a specification:
Nature and Objects of Invention.
My invention consists in the provision in the water-forcing mechanism of two plungers of different diameters or areas for the purpose of rapidly charging by means of the large one and forcing partially, and completing the work. by the slower but more powerful small plunger.
Description of the Accompanying Drawing.
Figure 1 is a perspective view of a hydrostatic press embodying my invention. Fig. 2 is a section showing the driving mechanism of the two plungers. Fig. 3 exhibits in section the lock-up safety-valve.
General Description.
A B exhibit a wheel and axle, respectively, under pressure. 0 is the stationary frame of the machine; D, an adjustable pressure-head, adapted to suit difierent lengths of axles; E, the forcing-cylinder, and F the plunger of the same. G is an ordinary valve-chamber of a pump, fitted with the customary supply and discharge valves. In connection with this single chamber two plungers, H I, are fitted to operate. They are of unequal sizes, as shown. The large one, H, is driven by eccentric-rod J, eccentric K, hollow shaft L,and driving-pulley M, and the small oneis driven by pitman N crank-wrist O, shaft P, and driving-pulley Q, the shaft P passing through the hollow In operation, the belt is first shifted over to pulley M, and the plunger H being set in motion, the cylinder E is rapidly filled, and
the workis partially accomplished. When 1 the pressure reaches the limit of power of the large plunger the belt is shifted over to the pulley Q, and the small plunger I completes the work by increasing the pressure to the safety-valve limit.
Claims.
1. In a hydrostatic press, the combination, with a single pump, of plungers H and I of unequal area, and arranged for independent action, substantially as and for the purpose specified.
2. The combination, in a hydrostatic press, of the plungers H I of unequal areas, rods J N, crank and eccentric K 0, shafts L P, and driving-pulleys M Q, connected and operating substantially in the manner and for the purpose specified.
In testimony of which invention I hereunto set my hand.
G. A. GRAY, JR.
Witnesses OHAs. A. BAUER, W. N. GRAY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US138393A true US138393A (en) | 1873-04-29 |
Family
ID=2207807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US138393D Expired - Lifetime US138393A (en) | Improvement in hydraulic wheel-presses |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US138393A (en) |
-
0
- US US138393D patent/US138393A/en not_active Expired - Lifetime
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