US434796A - Throttle-valve - Google Patents
Throttle-valve Download PDFInfo
- Publication number
- US434796A US434796A US434796DA US434796A US 434796 A US434796 A US 434796A US 434796D A US434796D A US 434796DA US 434796 A US434796 A US 434796A
- Authority
- US
- United States
- Prior art keywords
- gate
- valve
- lever
- port
- auxiliary valve
- 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
- 238000005192 partition Methods 0.000 description 14
- 240000002444 Sphenoclea zeylanica Species 0.000 description 4
- 230000000284 resting Effects 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 238000004519 manufacturing process Methods 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/202—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with concentric handles
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86928—Sequentially progressive opening or closing of plural valves
- Y10T137/86936—Pressure equalizing or auxiliary shunt flow
- Y10T137/86944—One valve seats against other valve [e.g., concentric valves]
- Y10T137/8696—Gate
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87096—Valves with separate, correlated, actuators
- Y10T137/87121—Coaxial stems
Definitions
- Figure 1 is a sectional side elevation of the improvement, showing the gate and the auxiliary valve closed.
- Fig. 2 is a like view of the same, showing the gate closed and the auxiliary valve open.
- Fig. 3 is a transverse section of the improvement on the line wzrof Fig. 1
- Fig. 4 is an inverted plan view of the improvement on the line y y of Fig. 2.
- the improved throttle-valve is provided with a valve-bodyA, made in two parts B and O, of which the former is connected in the usual manner with the steam-supply, and the latter is provided with a suitable outlet to carry ofi the steam to its destination.
- a transverse partition D provided with the usual openings E, adapted to be opened and closed by the gate F, seated on the partition D, and having its open back resting against the plate G, secured on suitable posts D projection from the partition D.
- the gate F is provided with a yoke H, secured on a hollow stem 1, passing through a stuffing-box B on the part B and pivotally connected near its outer end with.
- a lever J provided on its other end with the usual handle adapted to be taken hold of by the operator.
- the lever J is fulcrumed on a bracket K, pivoted on the valve-body A.
- a port F adapted to be opened and closed by an auxiliary valve L, held to slide in the cavity F of the said gate F and seated on the said gate, its outer end resting against the plate G.
- the auxiliary valve L is held on the end of a rod N passing through the hollow stem I and through a stuffing-box 0, held on the outer end of the said stem I.
- the outer end of the rod N is pivotally connected with a lever P, fulcrumed on the bracket K and extending in line with the lever J.
- a spring-Q is fastened on the lever J, its free end pressing against the said lever P, so that the latter holds the rod N down in order to keep the auxiliary valve L over the port F until moved by the operator, as hereinafter more fully described.
- the operation is as follows: When the gate T move the rod N outward, thereby drawing i the auxiliary valve L from over the port F, whereby the steam in the cavity F of the gate F can pass through the opening E into the valve-body part 0, so that the pressure on the inside of the said gate F is taken off, and consequently the gate F is balanced, the pressure inside of the cavity F and the pressure against that part of the gate exposed through the opening E being equal. Then the operator now moves the lever J downward, the gate F is easily drawn upward, so as to uncover the opening E, and steam from the body part B can pass through the opening E to the body part 0 and to its destination.
- the operator is enabled to take hold of both levers with one hand, and in commencing the operation the operator closes his hand, so that the lever P moves, while the lever J is held stationary by the gate F being locked in place by the full boiler-pressure.
- the operator can move the lever J with his hand, at the same time holding the lever P and moving the latter with it, so thatthe valve L remains disconnected from the port F until the gate is again closed. It is understood that the operator, having hold of the lever J, still holds the lever P close to the said lever, so as to keep the auxiliary valve L 0d the port F.
- athrottle-valve In athrottle-valve, the combination, with a movable gate formed with a closed recess and a port adapted to connect the said recess with the steam-inlet, of an auxiliary valve held to slide independently of the said gate in the said recess and adapted to connect and disconnect the interior of the said recess and the steam-inlet, substantially as shown and described.
- a throttle-valve the combination, with a gate provided with a closed recess and a port leading therefrom, of an auxiliary valve seated in the said recess and operating over the said port, a lever for moving the said auxiliary valve, and a second lever for moving the said gate independently of the said auxiliary valve, substantially as shown and described.
- a throttle-valve the combination, with a gate provided with a port, of an auxiliary valve seated on the said gate and operating over the said port, a lever for moving the said auxiliary valve, and a second lever for moving said gate, substantially as shown and described.
- a throttle-valve the combination, with a valve-body provided with an apertured partition, of a gate seated on the said apertured partition and provided with a port, an auxiliary valve seated on the said gate and adapted to open and close said port, and a fixed plate held on the said valve-body and forming a cover for the said gate, substantially as shown and described.
- a throttle-valve the combination, with a valve-body provided with an apertured partition, of a gate seated onthe said apertured partition and provided with a port, an auxiliary valve seated on the said gate and adapted to open and close said port, a fixed plate held on the said valve-body and forming a cover for the said gate, a hollow valve-stem connected with the said gate and extending to the outside, and a rod carrying the said auxiliary valve and passing through the said hollow valve-stem, substantially as shown and EDWARD LESLIE.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Description
(No Model.) 2 Sheet-s-Sheet 1. E. LESLIE.
' THROTTLE VALVE.
//v VENTOH A 7'7'0HNE Y8.
WITNESSES J N0 ModeLj I 2 Sheets-Sheet 2. E. LESLIE.
. THROTTLE VALVE. No. 434,796. Patented Aug. 19', 1890.
50; i i l l WITNESSES J //v VEN r01? By Q A TTOHNEYS.
UNITED STATES 1 PATENT OFFICE.
EDWVARD LESLIE, OF ORANGEVILLE, ONTARIO, CANADA, ASSIGNOR TO THE LESLIE BROTHERS MANUFACTURING COMPANY, PATERSON, NEW
JERSEY.
TH ROTTLE-VALVE.
SPECIFICATION forming part of Letters Patent No. 434,796, dated August 19, 1890.
Application filed August 20, 1889. Serial No. 321,341. (No model.)
To all whom it may concern.-
Be it known that I, EDWARD LESLIE, of
Orangeville, county of Duft'erin, Province of details and combinations of the same, as will be described hereinafter, and then pointed out in the claims.
Reference is to be had to the accompanying drawings, forming a part of this specification,
in which similar letters of reference indicate corresponding parts in all the figures.
Figure 1 is a sectional side elevation of the improvement, showing the gate and the auxiliary valve closed. Fig. 2 is a like view of the same, showing the gate closed and the auxiliary valve open. Fig. 3 is a transverse section of the improvement on the line wzrof Fig. 1, and Fig. 4 is an inverted plan view of the improvement on the line y y of Fig. 2.
The improved throttle-valve is provided with a valve-bodyA, made in two parts B and O, of which the former is connected in the usual manner with the steam-supply, and the latter is provided with a suitable outlet to carry ofi the steam to its destination. In the part 0 is arranged a transverse partition D, provided with the usual openings E, adapted to be opened and closed by the gate F, seated on the partition D, and having its open back resting against the plate G, secured on suitable posts D projection from the partition D.
The gate F is provided with a yoke H, secured on a hollow stem 1, passing through a stuffing-box B on the part B and pivotally connected near its outer end with. one end of a lever J, provided on its other end with the usual handle adapted to be taken hold of by the operator. The lever J is fulcrumed on a bracket K, pivoted on the valve-body A.
. In the gate F is arranged a port F, adapted to be opened and closed by an auxiliary valve L, held to slide in the cavity F of the said gate F and seated on the said gate, its outer end resting against the plate G. The auxiliary valve L is held on the end of a rod N passing through the hollow stem I and through a stuffing-box 0, held on the outer end of the said stem I. The outer end of the rod N is pivotally connected with a lever P, fulcrumed on the bracket K and extending in line with the lever J. A spring-Q is fastened on the lever J, its free end pressing against the said lever P, so that the latter holds the rod N down in order to keep the auxiliary valve L over the port F until moved by the operator, as hereinafter more fully described.
The operation is as follows: When the gate T move the rod N outward, thereby drawing i the auxiliary valve L from over the port F, whereby the steam in the cavity F of the gate F can pass through the opening E into the valve-body part 0, so that the pressure on the inside of the said gate F is taken off, and consequently the gate F is balanced, the pressure inside of the cavity F and the pressure against that part of the gate exposed through the opening E being equal. Then the operator now moves the lever J downward, the gate F is easily drawn upward, so as to uncover the opening E, and steam from the body part B can pass through the opening E to the body part 0 and to its destination. By the special arrangement of the levers J and P, being placed in line with each other, the operator is enabled to take hold of both levers with one hand, and in commencing the operation the operator closes his hand, so that the lever P moves, while the lever J is held stationary by the gate F being locked in place by the full boiler-pressure. As soon as the valve L has shifted and the gate F is unlocked, then the operator can move the lever J with his hand, at the same time holding the lever P and moving the latter with it, so thatthe valve L remains disconnected from the port F until the gate is again closed. It is understood that the operator, having hold of the lever J, still holds the lever P close to the said lever, so as to keep the auxiliary valve L 0d the port F. When the operator desires to close the opening E, he moves both levers upward, so that the gate F slides downward over the opening E, and by then releasing the two levers the spring Q forces the le- Ver P to its former position, so that the auxiliary valve L closes the port F. It is understood that the pressure in the cavity F of the gate, F is the same as the boiler-pressure, as the steam leaks past the plate G into the said cavity; but when the auxiliary valve L is opened the steam cannot leak quick enough into the said cavity when the latter is emptied, as before described, so that the gate F is balanced and can easily be moved upward to open the opening E. Thus it will be seen that as long as the gate F closes the opening E it is held on its seat over the said opening by the full boiler-pressure, and when the operator desires to open said gate F he first shifts the auxiliary valve L, so as to relieve the inside or cavity F of the gate from the boilerpressure, whereby the gate becomes balanced and is easily shifted on its seat.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is a 1. In athrottle-valve, the combination, with a movable gate formed with a closed recess and a port adapted to connect the said recess with the steam-inlet, of an auxiliary valve held to slide independently of the said gate in the said recess and adapted to connect and disconnect the interior of the said recess and the steam-inlet, substantially as shown and described.
2. In a throttle-valve, the combination, with a gate provided with a closed recess and a port leading therefrom, of an auxiliary valve seated in the said recess and operating over the said port, a lever for moving the said auxiliary valve, and a second lever for moving the said gate independently of the said auxiliary valve, substantially as shown and described.
3. In a throttle-valve, the combination, with a gate provided with a port, of an auxiliary valve seated on the said gate and operating over the said port, a lever for moving the said auxiliary valve, and a second lever for moving said gate, substantially as shown and described.
4. In a throttle-valve, the combination, with a valve-body provided with an apertured partition, of a gate seated on the said apertured partition and provided with a port, an auxiliary valve seated on the said gate and adapted to open and close said port, and a fixed plate held on the said valve-body and forming a cover for the said gate, substantially as shown and described. I
5. In a throttle-valve, the combination, with a valve-body provided with an apertured partition, of a gate seated onthe said apertured partition and provided with a port, an auxiliary valve seated on the said gate and adapted to open and close said port, a fixed plate held on the said valve-body and forming a cover for the said gate, a hollow valve-stem connected with the said gate and extending to the outside, and a rod carrying the said auxiliary valve and passing through the said hollow valve-stem, substantially as shown and EDWARD LESLIE.
Witnesses:
J. R. BAKER, THEO. G. HOSTER.
Publications (1)
Publication Number | Publication Date |
---|---|
US434796A true US434796A (en) | 1890-08-19 |
Family
ID=2503700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US434796D Expired - Lifetime US434796A (en) | Throttle-valve |
Country Status (1)
Country | Link |
---|---|
US (1) | US434796A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3170226A (en) * | 1957-08-07 | 1965-02-23 | Mueller Co | Line stopping and valve inserting apparatus and method |
US3434499A (en) * | 1966-06-23 | 1969-03-25 | Rappold & Co Gmbh Hermann | Slide valve plate with a relief device particularly for slide valves of large size |
US20090206249A1 (en) * | 2008-02-20 | 2009-08-20 | Varian, Inc. | Shutter and gate valve assemblies for vacuum systems |
-
0
- US US434796D patent/US434796A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3170226A (en) * | 1957-08-07 | 1965-02-23 | Mueller Co | Line stopping and valve inserting apparatus and method |
US3434499A (en) * | 1966-06-23 | 1969-03-25 | Rappold & Co Gmbh Hermann | Slide valve plate with a relief device particularly for slide valves of large size |
US20090206249A1 (en) * | 2008-02-20 | 2009-08-20 | Varian, Inc. | Shutter and gate valve assemblies for vacuum systems |
US7743790B2 (en) * | 2008-02-20 | 2010-06-29 | Varian, Inc. | Shutter and gate valve assemblies for vacuum systems |
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