US593476A - Furnace-valve for hot-blast stoves - Google Patents

Furnace-valve for hot-blast stoves Download PDF

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US593476A
US593476A US593476DA US593476A US 593476 A US593476 A US 593476A US 593476D A US593476D A US 593476DA US 593476 A US593476 A US 593476A
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Prior art keywords
valve
hot
casing
furnace
blast stoves
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
    • B62D5/093Telemotor driven by steering wheel movement
    • B62D5/097Telemotor driven by steering wheel movement gerotor type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/6416With heating or cooling of the system
    • Y10T137/6579Circulating fluid in heat exchange relationship

Description

(No Model.) zsheecs-sheet 1. J. KENNEDY. EURNACE VALVE EUR EOT BLAST STOVES No. 593,476. Patented Nov. 9,1897.

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mi: uomus vrzns no, Moro-urna. wAsHmGron, o, c.

(No Model.) 2 Sheets-Sheet 2.A

J. KENNEDY. FURNAGE VALVE FOR HOT BLAST STOVBS. i No. 593,476. Patented Nov. 9, 1897.

WITNESSES E INVENTOR UNITED STATES v PATENT OFFICE.

JULIAN KENNEDY, OE PITTSBURG, PENNSYLVANIA.

yFUFtNACE-VALVE FOR HOT-BLAST STOVES.

SPECIFICATION forming part of Letters Patent N o. 593,476, dated November 9, 1897.

Application filed August l5, 1896.

To @ZZ whom, itmay concern.:

.Be it known that I, JULIAN KENNEDY, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Furnace-Valves for Hot-Blast Stoves, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification, in which- Figure l shows my improved valve in plan view, the valve-Casin g being in horizontal section. Fig. 2 is a vertical section on the line II II of Fig. 1 and Eig. 3 is an end elevation of the valve, the casing being shown as in section on J[he line III III of Fig. l.

The valve is principally designed for use in hot-blast stoves.

2 is the gas main or flue, in which the valve is inclosed. v

3 is the valve-seat, consisting of an annular metal casting with hollow rim, through which water may be caused to iiow for the purpose of cooling the seat, and the seat is confined between sections of the flue 2 between metal castings 4 5, the castingforming part of the valve-casing. v

6 is the valve, composed of a metal disk adapted to slide horizontally to and from the seat 3, the valve-casing extending laterally for that purpose and having an external and removable cap 7. Raised ribs or ridges 8 are formed on the valve-casing to constitute slides upon which the disk may move. For the purpose of moving the disks I employa rotatory shaft 9,which extends vertically through and into the casing and through a stuffingbox l0, which may be packed, so as to prevent the escape of gas. Vithin the casing this shaft is keyed to the horizontal crank-arm ll,

Serial No. 602,828. (No model.)

having at the end a connecting rod or link 12, pivoted to a pin or stud 13 at the center of the valve, so that when the shaft 9 is rotated by a suitable lever oi' handle at the exterior of the casing it will swing the crank-arm l1 radially and will move the valve-disk horizontally, as indicated by full and dotted 'lines in Fig. l, the full lines showing the position of the valve when open and the dotted lines showing the same when closed.

To prevent upward movement of the valve when closed if blast were inadvertently admitted beneath it, I provide a series of lugs 14, which project inwardly from the casing and serve to hold the valve in place.

The stung-box l0 is formed at the plane of division between the cap 7 and the body of the valve-casing, so that on removing said cap the stuffing-box will be exposed. The parts are thus rendered easy to assemble, and a gas-tight connection can readily be made. This is a point of substantial advantage.

In a furnace-valve, the combination with a sliding valve and valve-casing, of a rotatory operating-shaft extending through a stu fngbox into the casing, a crank-arm having a link connection contained within the easing and serving to transmitmotion from the shaft to the valve, and a removable cap for said casing, the division-line between the cap and casing extending through the stuffing-box; substantially as described.

In testimony whereof I have hereunto set my hand.

` JULIAN KENNEDY. Witnesses:

G. I. I-IoLDsHIP, H. M. CoRwIN.

US593476A Furnace-valve for hot-blast stoves Expired - Lifetime US593476A (en)

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US593476A Expired - Lifetime US593476A (en) Furnace-valve for hot-blast stoves

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467945A (en) * 1944-03-03 1949-04-19 Blaw Knox Co Valve for gas ducts
US2592673A (en) * 1945-07-11 1952-04-15 American Car & Foundry Co Safety valve
US4392509A (en) * 1979-05-23 1983-07-12 Sidchrome (S.E. Asia) Limited Furnace valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467945A (en) * 1944-03-03 1949-04-19 Blaw Knox Co Valve for gas ducts
US2592673A (en) * 1945-07-11 1952-04-15 American Car & Foundry Co Safety valve
US4392509A (en) * 1979-05-23 1983-07-12 Sidchrome (S.E. Asia) Limited Furnace valve

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