US970167A - Float-controlled valve. - Google Patents

Float-controlled valve. Download PDF

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Publication number
US970167A
US970167A US1909502692A US970167A US 970167 A US970167 A US 970167A US 1909502692 A US1909502692 A US 1909502692A US 970167 A US970167 A US 970167A
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United States
Prior art keywords
valve
stem
casing
float
roller
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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
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Winfield S Bellows
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Individual
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Priority to US1909502692 priority Critical patent/US970167A/en
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    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
    • F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
    • F16K31/24—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve
    • F16K31/26—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve with the valve guided for rectilinear movement and the float attached to a pivoted arm
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7381—Quick acting
    • Y10T137/74—Lost motion mechanism
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7439—Float arm operated valve
    • Y10T137/7459—With U-shaped inlet pipe having terminal valve

Definitions

  • My invention relates to float-controlled valves, and it consists of an improved form of flush-tank valve designed to close with the pressure, being finally forced to its seat thereby.
  • Figure 1 is a vertical section of a flush tank equipped with my improved valve.
  • Fig. 2 is an enlarged vertical section of the valve structure.
  • Fig. 3 is a horizontal section on line a-a, Fig. 2.
  • Fig. 1, 1 represents an ordinary flush tank having an outlet pipe 2, with any usual form of siphoning overflow valve 3 controlled by a lever 4 which may be operated by an ordinary chain pull.
  • a lever 4 which may be operated by an ordinary chain pull.
  • Such parts may be of any type.
  • the pipe for the inlet of water is indicated at 6, and connected to the upper end of the same is a casting 7 forming the valve casing.
  • This casting has a lower projecting end 8 extending through the bottom of the tank and secured in any suitable manner to the pipe for the inlet of water.
  • the casting forming the valve casing has a vertical bore 9 forming the valve chamber, the passage 10 leading from the inlet pipe having a curved portion 11 which communicates with the upper end of such chamber.
  • the upper portion of the vertical bore is threaded at 12 for the reception of a plug 13 which forms the top of the valve casing, while the lower part of the casting adjacent the bore 9 is recessed at 14 and 15 for a purpose to be described.
  • the valve consists of a stem 16 having a rectangular recess- 17 and a reduced upper end 18.
  • the valve proper comprises a tubular section 20 adapted to pass over the threaded portion of the stem and be secured by a nut 21.
  • the valve is mounted in the casing in the manner clearly shown in Fig. 2.
  • Pivotally mounted in the recess 14 of the casing is an arm 23, having a projecting end 24; which enters the recess 17 of the valve stem, while its opposite end 25 is bored to receive the arm 26 carrying the ball or other form of float 27.
  • a roller 28 mounted in the recess 15 of the casing and arranged to turn upon a suitable spindle 29, engages the stem. This roller prevents any binding upon the valve stem and insures its vertical rise and fall.
  • the casing is provided with a seat 30 for the valve, the bore 9 of the same being contracted to form the seat.
  • the tank empties, the weight of the ball or other-.float causes it to follow the level of water and turn on its pivotal connection with the casting forming the valve casing.
  • the projecting end 24 engages the valve stem and raises the valve from its seat against the pressure of the entering water, while the roller 28 steadies the stem.
  • the ball or other float is raised, and as it turns on its pivotal connection with the casting, it lowers the valve, being assisted in such action by the water pressure.
  • a slight amount of play is provided between the projection 24 of the arm 23 and the upper and lower walls of the recess 17; in the one instance permitting the discharge to commence before the valve is opened, and in the other allowing the valve to be seated finally by the water pressure.
  • the construction is at once cheap, simple in operation and not liable to get out of order.
  • I claim 1 The combination of a casting forming a valve casing provided with a valve seat and having a downward discharge, a vertically movable valve disposed within the casing and movable by gravity toward said scat, a stem projecting downwardly from said valve, a roller mounted in the casing on one side of said stem and engaged therewith, and an arm pivoted to the casing on the side of the stem opposite to the roller and engaged with said stem for raising the same.
  • valve casing having a downward discharge, a vertically movable valve mounted therein, a stem carried by said valve, the seat for such valve being within the casing and the stem oit' the same projecting through the discharge opening of the latter, such valve being arranged to close with pressure passing through said opening, said stem having a recess, an arm pivoted to the casing and having a projection for engagement with saidrecess whereby the valve may be raised from its seat, a float connected to said arm, and a roller carried by the casing for steadying the movements of the valve, the recess of the valve stem being slightly enlarged so as to provide for slight movement of the arm in both directions independent of its engagement with the valve stem.

Description

W. S. BELLOWS. FLOAT GQNTROLLED VALVE. APPLIoATIoN rmzn JUNE: 17. 1909.
970,167. Patented sept. 13, 1910.
INVENTOR 7/4', ATTORNEY V/ l f f f WINFIELD S. BELLOWS, 0F STEELTON, PENNSYLVANIA.
FLOAT-CONTROLLED VALVE.
Specification of Letters Patent.
Patented Sept. 13, 1910.
.Application led June 17, 1909. Serial No. 502,692.
T o all whom it may concern:
Be it known that I, VVINFIELD S. BEL- Lows, citizen of the United States, residing at Steelton, in the county of Dauphin and State of Pennsylvania, have invented certain new and useful Improvements in Float- Controlled Valves, of which the following is a specilication.
My invention relates to float-controlled valves, and it consists of an improved form of flush-tank valve designed to close with the pressure, being finally forced to its seat thereby.
My invention is fully shown in the drawings herewith, and other features of the same are fully pointed outJ hereinafter.
Figure 1 is a vertical section of a flush tank equipped with my improved valve. Fig. 2 is an enlarged vertical section of the valve structure. Fig. 3 is a horizontal section on line a-a, Fig. 2.
In Fig. 1, 1 represents an ordinary flush tank having an outlet pipe 2, with any usual form of siphoning overflow valve 3 controlled by a lever 4 which may be operated by an ordinary chain pull. Such parts may be of any type.
The pipe for the inlet of water is indicated at 6, and connected to the upper end of the same is a casting 7 forming the valve casing. This casting has a lower projecting end 8 extending through the bottom of the tank and secured in any suitable manner to the pipe for the inlet of water. The casting forming the valve casing has a vertical bore 9 forming the valve chamber, the passage 10 leading from the inlet pipe having a curved portion 11 which communicates with the upper end of such chamber. The upper portion of the vertical bore is threaded at 12 for the reception of a plug 13 which forms the top of the valve casing, while the lower part of the casting adjacent the bore 9 is recessed at 14 and 15 for a purpose to be described.
The valve consists of a stem 16 having a rectangular recess- 17 and a reduced upper end 18. The valve proper comprises a tubular section 20 adapted to pass over the threaded portion of the stem and be secured by a nut 21.
The valve is mounted in the casing in the manner clearly shown in Fig. 2. Pivotally mounted in the recess 14 of the casing is an arm 23, having a projecting end 24; which enters the recess 17 of the valve stem, while its opposite end 25 is bored to receive the arm 26 carrying the ball or other form of float 27. To steady the stem of the valve, a roller 28, mounted in the recess 15 of the casing and arranged to turn upon a suitable spindle 29, engages the stem. This roller prevents any binding upon the valve stem and insures its vertical rise and fall. The casing is provided with a seat 30 for the valve, the bore 9 of the same being contracted to form the seat.
lVhen the tank empties, the weight of the ball or other-.float causes it to follow the level of water and turn on its pivotal connection with the casting forming the valve casing. As it turns, the projecting end 24 engages the valve stem and raises the valve from its seat against the pressure of the entering water, while the roller 28 steadies the stem. As the water lills the tank after the flushing operation, the ball or other float is raised, and as it turns on its pivotal connection with the casting, it lowers the valve, being assisted in such action by the water pressure. A slight amount of play is provided between the projection 24 of the arm 23 and the upper and lower walls of the recess 17; in the one instance permitting the discharge to commence before the valve is opened, and in the other allowing the valve to be seated finally by the water pressure.
The construction is at once cheap, simple in operation and not liable to get out of order.
I claim 1. The combination of a casting forming a valve casing provided with a valve seat and having a downward discharge, a vertically movable valve disposed within the casing and movable by gravity toward said scat, a stem projecting downwardly from said valve, a roller mounted in the casing on one side of said stem and engaged therewith, and an arm pivoted to the casing on the side of the stem opposite to the roller and engaged with said stem for raising the same.
2. The combination of a casting forming a valve casing provided with a valve seat and having a downward discharge, a valve disposed within the casing and movable toward and from said seat, a stem projecting from said valve and having a recess formed therein, a roller mounted in the casing on one side of said stern and engaged therewith, and an arm pivoted to the casing on the side of the stem opposite to the roller and extending into said recess and arranged to operate said stem, said stem having a wall between said arm and said roller.
3. The combination of a casting forming a valve casing provided with a valve seat and having a downward discharge, a valve disposed within the casing and movable toward and from said seat, a stem projecting from said valve and having a recess formed therein, a roller mounted in the casing on one side of said stem and engaged therewith, and an arm pivoted to the casing on the side of the stem opposite to the roller and extending into said recess and arranged to operate said stem, said stem having side walls engaged by the sides of said arm, said stem having end walls arranged to be engaged by said arm when moved to open and close the valve and said stem having a wall between said arm and'said roller.
4. The combination of a casting forming a valve casing and having a vertical bore, a vertically movable valve disposed within the casing, means for closing the upper end of said bore, the latter being contracted to form a seat for the valve, and the casting being recessed adjacent the outlet controlled by the valve, a roller disposed in one of said recesses for engagement with the stem of the valve and an arm pivotally mounted in the other recess for engagement with said valve stem.
5. The combination of a valve casing having a downward discharge, a vertically movable valve mounted therein, a stem carried by said valve, the seat for such valve being within the casing and the stem oit' the same projecting through the discharge opening of the latter, such valve being arranged to close with pressure passing through said opening, said stem having a recess, an arm pivoted to the casing and having a projection for engagement with saidrecess whereby the valve may be raised from its seat, a float connected to said arm, and a roller carried by the casing for steadying the movements of the valve, the recess of the valve stem being slightly enlarged so as to provide for slight movement of the arm in both directions independent of its engagement with the valve stem.
In testimony whereof I aflix my signature in presence of two witnesses.
WINFIELD S. BELLOVVS.
Witnesses:
ALBERT B. SMlTH, MARY E. SPAHR.
US1909502692 1909-06-17 1909-06-17 Float-controlled valve. Expired - Lifetime US970167A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720215A (en) * 1949-09-17 1955-10-11 Wallaceburg Brass Ltd Lever arm assembly for float valves and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720215A (en) * 1949-09-17 1955-10-11 Wallaceburg Brass Ltd Lever arm assembly for float valves and the like

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