US224964A - stephenson - Google Patents
stephenson Download PDFInfo
- Publication number
- US224964A US224964A US224964DA US224964A US 224964 A US224964 A US 224964A US 224964D A US224964D A US 224964DA US 224964 A US224964 A US 224964A
- Authority
- US
- United States
- Prior art keywords
- escapement
- valve
- gear
- stephenson
- piston
- 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 2
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
- H01H21/40—Driving mechanisms having snap action
- H01H21/42—Driving mechanisms having snap action produced by compression or extension of coil spring
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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
- Y10T74/18—Mechanical movements
- Y10T74/18856—Oscillating to oscillating
- Y10T74/18864—Snap action
Definitions
- Myinveution relates to valve-gear for steampumps 5 and the novelty therein consists in the peculiar construction and combination of its principal operative parts, as more fully hereinafter described.
- Figure 1 is a side elevation, showing the interior of the escapement.
- Fig. 2 is a half-plan as seen from above, the escapement being in a vertical direction and the piston of engine near one end of its stroke.
- Fig. 3 is'a sectional view of the escapement detached.
- I use an oscillating beam, A, moving freely on a pin or center, 0, and to said beam an arm, I), is attached.
- the lugs i t At each end of the beam A are the lugs i t, in which the set-screws j are placed, and ineach end of the beam are also the saddles 0 0, which are used to hold the foot of the escapement E in its upward movements.
- the arm bis connected to the piston-rod m by a rod, d, and a cross-head, q.
- an escapement, E is placed, so as to slide through the T f, which is firmly at tached to a rock-shafalc, carrying the valve in the steam-chest p of the engine.
- the sleeve 9 containing the spring h and the upper guide for the escapement E.
- an elastic bumper, Z On the topof the sleeve 9 an elastic bumper, Z, is laid, and on the sleeve end of the escapement E an adjusting-nut is screwed, which checks the de-v scent of the escapement when it brings up against the bumper Z.
- the general shape of the escapement E is V-shaped, slightly rounded on the lower end, made so as to slide freelyin the T j; the upper end being reduced to receive the spring h in the sleeve, and passing through the upper end of g to receive the bumper-nut n.
- valve-gear In valve-gear, the combination of an oscillating beam with an oscillating escapement sliding downwardly upon such beam when the beam reaches either limit of its movement, substantially as and for the purpose set forth.
- I11 valve-gear an oscillating beam connected with the piston-rod, in combination with a springescapement secured to the end of a rock-shaft, and yielding in the direction of its length and sliding upon such beam, substantially as described.
- valvegear an oscillating beam operated by the piston-rod, in combination with a springescapement yielding in the direction of its length and sliding upon such beam, and saddles in the beam at thelimit of movement of such escapement thereon, to receive the end of the escapement, substantially as and for the purpose set forth.
- valve-gear the springescapement yielding in the direction of its length, in combination with the oscillating beam upon which the esoapement slides, having saddles at the limits of movement of the escapement, and set-screws to push the escapememt out of such saddles, substantially as described and shown.
Description
.. w. P. STEPHENSON.
' Valve-Gear for Stam-Pu'mps.
No; 224,964. Patented Feb. 24, 1880.
NVPETERS, PHOTD-UTHOGRAPHEE WASHlNETON. D C
UNITED STATES PATENT OFFICE.
WILLIAM P. STEPHENSON, or PORTLAND, OREGON.
'VALVE-GEAR FOR STEAM-PUMPS.
SPECIFICATION forming part of Letters Patent No. 224,964, dated February-24, 1880. Application filed August 6, 1879.
To all whom it may concern:
Be it known that I, WILLIAM P. STEPHEN- soN, of Portland, in the county of Multnomah, in the State ofOregon, have invented an Improved Valve Gear or Movement for Steam- Pumps, of which the followingis a specification.
Myinveution relates to valve-gear for steampumps 5 and the novelty therein consists in the peculiar construction and combination of its principal operative parts, as more fully hereinafter described.
In the drawings, Figure 1 is a side elevation, showing the interior of the escapement.
Fig. 2 is a half-plan as seen from above, the escapement being in a vertical direction and the piston of engine near one end of its stroke. Fig. 3 is'a sectional view of the escapement detached. v
I use an oscillating beam, A, moving freely on a pin or center, 0, and to said beam an arm, I), is attached. At each end of the beam A are the lugs i t, in which the set-screws j are placed, and ineach end of the beam are also the saddles 0 0, which are used to hold the foot of the escapement E in its upward movements. The arm bis connected to the piston-rod m by a rod, d, and a cross-head, q. Above I) an escapement, E, is placed, so as to slide through the T f, which is firmly at tached to a rock-shafalc, carrying the valve in the steam-chest p of the engine. Into the upper end of the Tf is screwed the sleeve 9, containing the spring h and the upper guide for the escapement E. On the topof the sleeve 9 an elastic bumper, Z, is laid, and on the sleeve end of the escapement E an adjusting-nut is screwed, which checks the de-v scent of the escapement when it brings up against the bumper Z. The general shape of the escapement E is V-shaped, slightly rounded on the lower end, made so as to slide freelyin the T j; the upper end being reduced to receive the spring h in the sleeve, and passing through the upper end of g to receive the bumper-nut n.
Operation: Motion is imparted to the beam A by means of the rod d, attached to the pis ton-rod m and arm, I). The escapement E,
the springh until the full stroke of the piston,
is ended, when suddenly one of the set-screws j operates against the side of the escapement E in such a way as to throw it out of one of the saddles 0, in which it rested during its rise, and now being thus liberated, it slides quickly down the incline of the beam A by means of the spring h, and in so doing causes the rock-shaft to oscillate and carry the slidevalve to the oppositesteam-port, and instantly admitting the steam on the other end of the cylinder in the usual manner, and in this way operating the main valve to engine at each full stroke of the piston.
I claim-- 1. In valve-gear, the combination of an oscillating beam with an oscillating escapement sliding downwardly upon such beam when the beam reaches either limit of its movement, substantially as and for the purpose set forth.
2. I11 valve-gear, an oscillating beam connected with the piston-rod, in combination with a springescapement secured to the end of a rock-shaft, and yielding in the direction of its length and sliding upon such beam, substantially as described.
3. [n valvegear, an oscillating beam operated by the piston-rod, in combination with a springescapement yielding in the direction of its length and sliding upon such beam, and saddles in the beam at thelimit of movement of such escapement thereon, to receive the end of the escapement, substantially as and for the purpose set forth.
4. In valve-gear, the springescapement yielding in the direction of its length, in combination with the oscillating beam upon which the esoapement slides, having saddles at the limits of movement of the escapement, and set-screws to push the escapememt out of such saddles, substantially as described and shown.
WILLIAM P. STEPHENSON.
In presence of' O. B. TALBOT,
E. O. TRIGICLE.
Publications (1)
Publication Number | Publication Date |
---|---|
US224964A true US224964A (en) | 1880-02-24 |
Family
ID=2294353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US224964D Expired - Lifetime US224964A (en) | stephenson |
Country Status (1)
Country | Link |
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US (1) | US224964A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2607323A (en) * | 1945-10-26 | 1952-08-19 | Elgin Softener Corp | Reciprocating type fluid operable motor |
US2663863A (en) * | 1951-12-27 | 1953-12-22 | Maurice E Buehler | Mechanical time comparator mechanism |
US2776574A (en) * | 1951-07-26 | 1957-01-08 | O'shei William Edward | Differential fluid pressure motors |
US2851900A (en) * | 1955-11-25 | 1958-09-16 | Bingham Herbrand Corp | Parking brake assembly |
US4648427A (en) * | 1985-09-30 | 1987-03-10 | The Boc Group, Inc. | Bistable two position valve |
-
0
- US US224964D patent/US224964A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2607323A (en) * | 1945-10-26 | 1952-08-19 | Elgin Softener Corp | Reciprocating type fluid operable motor |
US2776574A (en) * | 1951-07-26 | 1957-01-08 | O'shei William Edward | Differential fluid pressure motors |
US2663863A (en) * | 1951-12-27 | 1953-12-22 | Maurice E Buehler | Mechanical time comparator mechanism |
US2851900A (en) * | 1955-11-25 | 1958-09-16 | Bingham Herbrand Corp | Parking brake assembly |
US4648427A (en) * | 1985-09-30 | 1987-03-10 | The Boc Group, Inc. | Bistable two position valve |
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