US971268A - Steam and water gage. - Google Patents

Steam and water gage. Download PDF

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Publication number
US971268A
US971268A US45009908A US1908450099A US971268A US 971268 A US971268 A US 971268A US 45009908 A US45009908 A US 45009908A US 1908450099 A US1908450099 A US 1908450099A US 971268 A US971268 A US 971268A
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United States
Prior art keywords
valve
steam
stem
chamber
water gage
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Expired - Lifetime
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US45009908A
Inventor
Edward Halley
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R J MCDONELL
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R J MCDONELL
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Priority to US45009908A priority Critical patent/US971268A/en
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Publication of US971268A publication Critical patent/US971268A/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

Definitions

  • EDWARD HALLEY OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO R. J. MCDONELL, OF VICTORIA, BRITISH COLUMBIA, CANADA.
  • My invention has for its object the production of a steam and water gage, designed for use more particularly in testing steam boilers.
  • My device is simple in construction, comprises few parts, is easily and readily manufactured, and not liable to get out of order when in use.
  • FIG. l is a side elevation, partly in cross section, of my invention
  • E ig. 2 is an end view of the same
  • Fig. 3 is a modified form of the operating lever.
  • A represents the main stem of the gage, which enters a boiler.
  • This stem is provided with an opening a therethrough which extends to the chamber A formed inside of the casing A2.
  • Screw threaded upon each end of this casing is a cap B, B.
  • a gasket b2 is provided inside of the cap B.
  • a circumferential valve seat Extending through the aperture in the lower cap B is a stem C carrying on the upper end thereof the valve C, which seats on the seat b.
  • Beneath the valve seat Z) is a stuffing box B2 inside of which and surrounding the stem C is the packing c which is held in place by a gland c2 which is placed inside of the cap B and the lower part of the casing A.
  • An aperture c is provided in the stem C and extends approximately mediate of the length thereof, opening at the lower end of the stem and just below the cap B when the valve is seated as shown in E ig. l.
  • the valve C is of smaller diameter than the chamber A in which it moves, and it has a small projection b upon the top thereof for a purpose hereinafter described.
  • a cross arm D Extending transversely of the stem C is a cross arm D into which is secured a bail d, which extends above the valve and casing as shown in Fig. 9.
  • a lever D fulcrumed at CZ to a base extending from the main stem A, supports this bail above the casing A, and by means of which the stem C is operated.
  • Fig. 3 l have shown a modified form of the lever D.
  • a brace E extends from the casing l to which the lever D is pivotally secured, and is attached at one end thereof to the bail CZ, so that in the operation of the stem with this latter device the lever is lowered to open the valve, while in the form shown in Fig. 1 the lever is raised to open the valve.
  • the operation of the device is as follows:
  • the stem A is screwed into a boiler so that there is an open communication between the boiler and the chamber A.
  • the pressure in the chamber A will hold the valve to its seat and when it is desired to open the same the operator moves the handle D to raise the stem C and with it the valve C.
  • the valve C is raised to its highest position the projection o is in contact with the top of the chamber and the valve being of smaller diameter than said chamber, a steam chamber is provided around said valve whereby the pressure of the steam acts upon said valve to close it.
  • the valve is in this position the aperture c is in open communication with the chamber A so that t-he steam or water will escape through said aperture c to atmosphere.
  • valve a Stuffing box surrounding said stem

Description

E. HALLBY.
STEAM AND WATER GAGE.
APPLIOATION FILED A UG. 24A, 1908.
Patented Sept27, 1910.
@Z372 F55 es.
ENIIED STATES PATENT IDE.
EDWARD HALLEY, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO R. J. MCDONELL, OF VICTORIA, BRITISH COLUMBIA, CANADA.
STEAM AND WATER GAGE.
Specification of Letters Patent.
Patented Sept. 27, 1910.
To all whom it may concern.'
Be it known that I, EDWARD HALLEY, a citizen of the United States, residing at Chicago, Cook county, Illinois, have invented certain new and useful Improvements in Steam and Water Gages, of which the following, taken in connection with the drawings, is a description.
My invention has for its object the production of a steam and water gage, designed for use more particularly in testing steam boilers.
My device is simple in construction, comprises few parts, is easily and readily manufactured, and not liable to get out of order when in use.
This invention consists in the combination and arrangement of parts, as will be hereinafter more fully described, shown in the drawings and pointed out in the claim, it being understood 'that changes in form, proportion, size and minor details may be made within the scope of the claim without departing from the spirit or sacriiicing any of the advantages of the invention.
In the accompanying drawings Figure l is a side elevation, partly in cross section, of my invention; E ig. 2 is an end view of the same; and Fig. 3 is a modified form of the operating lever.
In carrying out my invention A represents the main stem of the gage, which enters a boiler. This stem is provided with an opening a therethrough which extends to the chamber A formed inside of the casing A2. Screw threaded upon each end of this casing is a cap B, B. A gasket b2 is provided inside of the cap B. Inside of the chamber A and beneath the opening a is a circumferential valve seat Extending through the aperture in the lower cap B is a stem C carrying on the upper end thereof the valve C, which seats on the seat b. Beneath the valve seat Z) is a stuffing box B2 inside of which and surrounding the stem C is the packing c which is held in place by a gland c2 which is placed inside of the cap B and the lower part of the casing A. An aperture c is provided in the stem C and extends approximately mediate of the length thereof, opening at the lower end of the stem and just below the cap B when the valve is seated as shown in E ig. l.
The valve C is of smaller diameter than the chamber A in which it moves, and it has a small projection b upon the top thereof for a purpose hereinafter described.
Extending transversely of the stem C is a cross arm D into which is secured a bail d, which extends above the valve and casing as shown in Fig. 9. A lever D, fulcrumed at CZ to a base extending from the main stem A, supports this bail above the casing A, and by means of which the stem C is operated.
In Fig. 3 l have shown a modified form of the lever D. In this case a brace E extends from the casing l to which the lever D is pivotally secured, and is attached at one end thereof to the bail CZ, so that in the operation of the stem with this latter device the lever is lowered to open the valve, while in the form shown in Fig. 1 the lever is raised to open the valve.
The operation of the device is as follows: The stem A is screwed into a boiler so that there is an open communication between the boiler and the chamber A. The pressure in the chamber A will hold the valve to its seat and when it is desired to open the same the operator moves the handle D to raise the stem C and with it the valve C. When the valve C is raised to its highest position the projection o is in contact with the top of the chamber and the valve being of smaller diameter than said chamber, a steam chamber is provided around said valve whereby the pressure of the steam acts upon said valve to close it. Then the valve is in this position the aperture c is in open communication with the chamber A so that t-he steam or water will escape through said aperture c to atmosphere.
I claim:
In a steam or water gage, the combination of a casing having communication with the interior of a boiler, a. valve stem carrying a valve upon one end and having an elongated opening through the lower part thereof, Said In testimony whereof I have signed this valve seating in the aforesaid chamber, a specification in the presence of two subscribprojeotion extending upwardly from the ing witnesses.
valve, a Stuffing box surrounding said stem, EDWARD HALLEY. 5 packing between the stem and stuffing box, itnessesz and means for operating the Valve, substan- VELLS GooDHUE,
tially as described. CHARLES I. COBB.
US45009908A 1908-08-24 1908-08-24 Steam and water gage. Expired - Lifetime US971268A (en)

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US45009908A US971268A (en) 1908-08-24 1908-08-24 Steam and water gage.

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