US39583A - Improved variable exhaust for locomotives - Google Patents

Improved variable exhaust for locomotives Download PDF

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Publication number
US39583A
US39583A US39583DA US39583A US 39583 A US39583 A US 39583A US 39583D A US39583D A US 39583DA US 39583 A US39583 A US 39583A
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Prior art keywords
locomotives
exhaust
variable exhaust
improved variable
wings
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/16—Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7898—Pivoted valves

Definitions

  • PETERS PHOTO-LITHOGRAPHER
  • WASHINGTON D C UNITED STATES PATENT QEEI'CE.
  • A represents the smoke-box ot'an ordinary locomotive boiler.
  • the products of combustion enter into said smoke-box through the heating-tubes B, and pass ott' through the smoke-stack C.
  • D is the exhaust, which consists of -a couical chamber, a, from the bottom of which two pipes, E, lead, one to each ot' the steam-cylinders.
  • the top ofthe chamber a is closed by two wings, b, which are hinged to rods c, so that they open and close freely.
  • the rods c extend through the sides of the chamber a, and arms d are firmly keyed one to the end of each l of said rods. These arms point in opposite directions, and they are connected to each other by a link, e, and one of the arms also connects with a rod, f, which is subjected to the action of a spring, g.
  • the power of this spring can be regulated by a nut, h, and its action on the arms cl is such that the wings b have a tendency to close when not exposed to a counteracting force. If the exhaust-steam rushes into the chamber a it acts upon the inner surfaces of the wings b, and causes them to open, and it is obvious that the orifice between the wings will be larger or smaller, according to the larger or smaller force of the steam acting on said wings.
  • the oritice of the exhaust regulates itself automatically, according to pressure and volume of the exhaust-steam, and the engineer is not compelled to pay any further attention to this part of his engine after he has once set the spring lto the proper tension.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Description

mind/53.
waxy/ N. PETERS, PHOTO-LITHOGRAPHER, WASHINGTON D C UNITED STATES PATENT QEEI'CE.
RICHARD -MGDOWELL, OF LAMBERTVILLE, NEV JERSEY.
Specification forming part of Letters Patent No. 39,53, dated August 18, 1863.
To all whom it may concern,.-
Be it known that 17 RICHARD McDowELL, of Lambertville, in the county of Hunterdon and State of New Jersey, have invented a new and Improved Self-Regulating Variable Exhaust; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming a part of this specification, in which- Figure l represents atransvcrse vertical section of my invention, looking from the inside of the smoke-box. Fig. 2 is a similar section looking from the outside of the smoke-box.
Similar let-ters of reference in both views indicate corresponding parts.
VTo enable those skilled in the art to make and use my invention, l will proceed to describe it.
A represents the smoke-box ot'an ordinary locomotive boiler. The products of combustion enter into said smoke-box through the heating-tubes B, and pass ott' through the smoke-stack C.
D is the exhaust, which consists of -a couical chamber, a, from the bottom of which two pipes, E, lead, one to each ot' the steam-cylinders. The top ofthe chamber a is closed by two wings, b, which are hinged to rods c, so that they open and close freely. The rods c extend through the sides of the chamber a, and arms d are firmly keyed one to the end of each l of said rods. These arms point in opposite directions, and they are connected to each other by a link, e, and one of the arms also connects with a rod, f, which is subjected to the action of a spring, g. The power of this spring can be regulated by a nut, h, and its action on the arms cl is such that the wings b have a tendency to close when not exposed to a counteracting force. If the exhaust-steam rushes into the chamber a it acts upon the inner surfaces of the wings b, and causes them to open, and it is obvious that the orifice between the wings will be larger or smaller, according to the larger or smaller force of the steam acting on said wings. By this arrangement the oritice of the exhaust regulates itself automatically, according to pressure and volume of the exhaust-steam, and the engineer is not compelled to pay any further attention to this part of his engine after he has once set the spring lto the proper tension.
I do not claim, broadly, the invention of a self-acting exhaust-regulator 5 but What I claim as new, and desire to secure by Letters Patent, is-
The combination of the spring g with the wings b b and exhaust D, in the manner herein shown and described.
R. MCDOWELL.
Witnesses JOHN KENNEDY, J AMES BEoUGHToN.
US39583D Improved variable exhaust for locomotives Expired - Lifetime US39583A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030198643A1 (en) * 2002-04-19 2003-10-23 Yingjuan Lu Adjuvant enhanced immunotherapy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030198643A1 (en) * 2002-04-19 2003-10-23 Yingjuan Lu Adjuvant enhanced immunotherapy

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