US612890A - Valve - Google Patents

Valve Download PDF

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US612890A
US612890A US612890DA US612890A US 612890 A US612890 A US 612890A US 612890D A US612890D A US 612890DA US 612890 A US612890 A US 612890A
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Prior art keywords
valve
flap
seat
edge
over
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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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • F16K3/188—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of hydraulic forces
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S137/00—Fluid handling
    • Y10S137/906—Valves biased by fluid "springs"

Definitions

  • Patented 001 ; 25, I898.
  • This invention relates to an improvement in valves designed more particularly, but not necessarily, for use in pumps working at high pressures.
  • Certain valves for use in this connection depend for their efficiency upon the fit of two metallic or rigid surfaces combined with a pliable flap adapted to rest over the intervening joint, the pressure of the fluid serving to hold the flap tightly and firmly over the joint, thereby preventing any leakage.
  • this flap when very flexible, may be caught between the valve and its seat, thereby interfering with the proper action of the valve and causing objectionable leakage.
  • the aim of this inven tion is to overcome the liability of the flap acting in this manner, so as to admit of the use of a flap of very flexible material.
  • my invention consists in combining with a rigid valve-seat and a rigid valve adapted to close against the seat a pliable strip or flap connected to one of said parts and adapted to rest over the intervening joint and means applied to the free edge of the flap to confine it in place and prevent its being caught between the valve and the seat.
  • the invention also consists in the details of construction and combination of parts hereinafter described and claimed.
  • Figure 1 is a central section through a valve and its seat, showing my invention applied thereto.
  • Fig. 2 is a top plan viewof the same.
  • Fig. 3 is a central section through a valve having my inwhich is confined between the base and washer 4 and which extends outward over the intervening joint between the valve and its seat.
  • This flap is ring-like in form, its central opening surrounding a vertical stud 6, extending upward from the base, and its outer edge extending beyond the base and upward over the joint between the valve and its seat, then some distance along the conical seat, and finally inward horizontally over the edge of the washer 4, on which its edge is clamped by a clamping-washer 7, slipped over the stud G and held by means of a nut 8, applied to the threaded end of the stud.
  • Both the washers are "provided with holes 9 and 10 to admit of the pressure of the fluid acting on the flap where it overlies the intervening joint between the valve and the valve-seat, the holes in the washer at being arranged opposite the joint, as clearly shown in Fig. 1.
  • the construction and arrangement described admit of the use of a flap of very flexible material, which is advantageous in that its pliability enables the pressure of the fluid to hold it firmly and tightly over the joint.
  • valve and the flap and other parts without departing from the limits of my invention, the essence of which resides in the combination, with the rigid valve and valveseat, of a pliable flap fixed to one of said parts and means for retaining its free edge in position to prevent it from catching between the valve and its seat.
  • a valve the combination of a rigid valve-seat, a rigid valve arranged to close against the same, a pliable ring-like flap having its inner edge fixed to the valve and extending out over the intervening joint between the valve and seat, and a device for retaining the outer edge of the flap.
  • a valve In a valve the combination of a rigid valve-seat, a rigid valve arranged to close against the same, a pliable ring-like flap confined at itsinner edge on the valve and extending out over the joint and a washer applied to the valve and binding on the outer edge of the flap and acting to hold the same in position.

Description

F. w. W000.
VALVE. I
' No. 6l2,890. Patented 001:; 25, I898.
(Application filed Feb. 81, 1898.) (N0 Model.) 7 2 Sheath-Shoat I I at, 1 ,J.
W/TNE SE8. I VENTOH %W -7 mmmm A TTORNEY.
Patented Oct. 25, I898. F. W. WOOD.
No. 6l2,890.
VALVE.
A umiozi filed Feb. 21, 1898.) I
(N0 Model.)
INVENTOE W/ TNE SSE S &1 (yaw WWW Gamma UNITED STATES PATENT FREDERICK IV. IVOOD, OF BALTIMORE, MARYLAND.
VALVE.
SPECIFICATION forming part of Letters Patent No. 612,890, dated October 25, 1898.
Application filed February 21, 1898. Serial No. 671,061- (No model.)
To all whom it may concern:
Be it known that I, FREDERICK W. W001), of the city of Baltimore, in the State of Maryland, have invented a new and useful Improvement in Valves, of which the following is a specification.
This invention relates to an improvement in valves designed more particularly, but not necessarily, for use in pumps working at high pressures. Certain valves for use in this connection depend for their efficiency upon the fit of two metallic or rigid surfaces combined with a pliable flap adapted to rest over the intervening joint, the pressure of the fluid serving to hold the flap tightly and firmly over the joint, thereby preventing any leakage. In practice it may happen that during the movements of the valve this flap, when very flexible, may be caught between the valve and its seat, thereby interfering with the proper action of the valve and causing objectionable leakage. The aim of this inven tion is to overcome the liability of the flap acting in this manner, so as to admit of the use of a flap of very flexible material.
To this end my invention consists in combining with a rigid valve-seat and a rigid valve adapted to close against the seat a pliable strip or flap connected to one of said parts and adapted to rest over the intervening joint and means applied to the free edge of the flap to confine it in place and prevent its being caught between the valve and the seat.
The invention also consists in the details of construction and combination of parts hereinafter described and claimed.
In the accompanying drawings, Figure 1 is a central section through a valve and its seat, showing my invention applied thereto. Fig. 2 is a top plan viewof the same. Fig. 3 is a central section through a valve having my inwhich is confined between the base and washer 4 and which extends outward over the intervening joint between the valve and its seat. This flap is ring-like in form, its central opening surrounding a vertical stud 6, extending upward from the base, and its outer edge extending beyond the base and upward over the joint between the valve and its seat, then some distance along the conical seat, and finally inward horizontally over the edge of the washer 4, on which its edge is clamped by a clamping-washer 7, slipped over the stud G and held by means of a nut 8, applied to the threaded end of the stud. Both the washers are "provided with holes 9 and 10 to admit of the pressure of the fluid acting on the flap where it overlies the intervening joint between the valve and the valve-seat, the holes in the washer at being arranged opposite the joint, as clearly shown in Fig. 1.
As a result of the above construction and the confining of the outer edge of the flap the latter will be effectually prevented in any manner from turning or folding and being caught between the valve and its seat, as may happen when the edge of the flap is free. Further, the construction and arrangement described admit of the use of a flap of very flexible material, which is advantageous in that its pliability enables the pressure of the fluid to hold it firmly and tightly over the joint.
I11 Figs. 3 and 4 the construction and arrangement of the parts of the valve are the same as those just described, except as to the manner of confining or retaining the outer edge of the flap. In this case instead of clamping the edge between the washers it is held in place and free of the valve-seat by means of a still? wire ring 11, embedded in the edge of the flap, as clearly shown. The size of this ring is such that it will hold the edge of the flap over the washer, in which position there will be noliability whatever of its catching between the valve and its seat.
It will of course be understood that various changes may be made in the form of the valve and the flap and other partswithout departing from the limits of my invention, the essence of which resides in the combination, with the rigid valve and valveseat, of a pliable flap fixed to one of said parts and means for retaining its free edge in position to prevent it from catching between the valve and its seat.
Having thus described my invention,what I claim is 1. In a valve the combination of a rigid valve-seat, a rigid valve arranged to close against the same, a pliable flap attached to one of said members and extending over the intervening joint, and means for holding the free edge of the flap.
2. In a valve the combination of a rigid valve-seat, a rigid valve arranged to close against the same, a pliable ring-like flap having its inner edge fixed to the valve and extending out over the intervening joint between the valve and seat, and a device for retaining the outer edge of the flap.
3. In a valve the combination of a rigid valve-seat, a rigid valve arranged to close against the same, a pliable ring-like flap confined at itsinner edge on the valve and extending out over the joint and a washer applied to the valve and binding on the outer edge of the flap and acting to hold the same in position.
4:. In a valve the combination of a rigid valve-seat, a rigid valve arranged to close against the same, and a pliable flap applied to one of said members to seal the intervening joint, said flap having both its edges confined.
In testimony whereof I hereunto set my hand this 16th day of February, 1898, in the presence of two attesting witnesses.
FREDERICK WV. WOOD.
Witnesses:
FELIX R. SULLIVAN, G. D. NEAVITT.
US612890D Valve Expired - Lifetime US612890A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523864A (en) * 1947-07-23 1950-09-26 Delany Realty Corp Valve and closure therefor
US2921768A (en) * 1957-05-28 1960-01-19 Actuation Res Corp Differential pressure energized pilot valve controlled shut-off valve with fluid pressure actuator seal
US3064939A (en) * 1959-09-08 1962-11-20 Buckley Arthur Burton Fluid flow valves
US4410007A (en) * 1980-08-11 1983-10-18 Anchor/Darling Valve Company Soft seal installation for feed water check valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523864A (en) * 1947-07-23 1950-09-26 Delany Realty Corp Valve and closure therefor
US2921768A (en) * 1957-05-28 1960-01-19 Actuation Res Corp Differential pressure energized pilot valve controlled shut-off valve with fluid pressure actuator seal
US3064939A (en) * 1959-09-08 1962-11-20 Buckley Arthur Burton Fluid flow valves
US4410007A (en) * 1980-08-11 1983-10-18 Anchor/Darling Valve Company Soft seal installation for feed water check valve

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