US108704A - Improvement in balance slide-valves - Google Patents
Improvement in balance slide-valves Download PDFInfo
- Publication number
- US108704A US108704A US108704DA US108704A US 108704 A US108704 A US 108704A US 108704D A US108704D A US 108704DA US 108704 A US108704 A US 108704A
- Authority
- US
- United States
- Prior art keywords
- valves
- improvement
- valve
- balance slide
- plate
- 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
- 210000001503 Joints Anatomy 0.000 description 2
- 229920000136 polysorbate Polymers 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
- F16K39/022—Devices for relieving the pressure on the sealing faces for lift valves using balancing surfaces
Definitions
- the nature of our invention consists in providing an ordinary slide-valve with a plate fastened, at such a distance above lthe valve as necessity may require to adapt it to the steam-chest used, by means of a sufficient number of studs or bolts securely fastened in the top ofthe valve.
- this plate In the top of this plate there is a groove or recess, into which is fitted a ring with steamtight joints. Iuthe recess between the plate and valve beneath this ring are perforations sufficient in number and size to admit a sufticient quantity of steam while working under pressure to sustain the ring against the steamchest lid, and, forming a steam-tight joint ber tween the ring and lid, preventing the passage ofsteanl between the plate and steam-chest lid, the plate to be of sufficient area to relieve the downward pressure on the valve, forming a1- together a complete balance-valve.
- Plan A shows the top surface of the' plate withlring adjusted.
- a A is the Valve.
- B B B are studs or bolts, by which the grooved plate C C is secured to the valve.
- D D is the ring or joint.
- E E are the perfor-ations.
- F F on Plan A show the surface View of the ring or joint forming a perfect balance slidevalve.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Description
THOMAS J. HAMER AND MARTIN VALLS, OF SUNBURY, PENNSYLVANIA.
IMPROVEMENT IN BALANCE SLIDE-VALVES'.
Specification forming part of Letters Patent N0. 108,704, dated October 25, 1870.
To all whom it may concern:
Be it known that we, THOMAS J. HAMER and MARTIN WALLS, of the borough of Sunbury, county of Northumberland, and State of Pennsylvania, have invented a new Balance Slide Va1ve, by which the pressure of the steam is equalized; and we do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawing, and to the letters of reference thereon.
The nature of our invention consists in providing an ordinary slide-valve with a plate fastened, at such a distance above lthe valve as necessity may require to adapt it to the steam-chest used, by means of a sufficient number of studs or bolts securely fastened in the top ofthe valve.
In the top of this plate there isa groove or recess, into which is fitted a ring with steamtight joints. Iuthe recess between the plate and valve beneath this ring are perforations sufficient in number and size to admit a sufticient quantity of steam while working under pressure to sustain the ring against the steamchest lid, and, forming a steam-tight joint ber tween the ring and lid, preventing the passage ofsteanl between the plate and steam-chest lid, the plate to be of sufficient area to relieve the downward pressure on the valve, forming a1- together a complete balance-valve.
Description of the Accompanying Drawing.
Plan A shows the top surface of the' plate withlring adjusted. A A is the Valve. B B B are studs or bolts, by which the grooved plate C C is secured to the valve. D D is the ring or joint. E E are the perfor-ations. F F on Plan A show the surface View of the ring or joint forming a perfect balance slidevalve. j
What we claim as our invention, and desire to secure by Letters Patent, is-
The combination of the perforated grooved plate C with packing ring or joint D F, of any shape, supported above the valve A by the studs or bolts B B, all substantially as and for the purposes set fort-h.
T. J. HAMER. MARTIN VALLS.
Publications (1)
Publication Number | Publication Date |
---|---|
US108704A true US108704A (en) | 1870-10-25 |
Family
ID=2178178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US108704D Expired - Lifetime US108704A (en) | Improvement in balance slide-valves |
Country Status (1)
Country | Link |
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US (1) | US108704A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100331422A1 (en) * | 1995-06-22 | 2010-12-30 | 3M Innovative Properties Company | Stable hydroalcoholic compositions |
-
0
- US US108704D patent/US108704A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100331422A1 (en) * | 1995-06-22 | 2010-12-30 | 3M Innovative Properties Company | Stable hydroalcoholic compositions |
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