US161764A - Improvement in automatic regulating devices for steam-engines - Google Patents

Improvement in automatic regulating devices for steam-engines Download PDF

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Publication number
US161764A
US161764A US161764DA US161764A US 161764 A US161764 A US 161764A US 161764D A US161764D A US 161764DA US 161764 A US161764 A US 161764A
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Prior art keywords
steam
engines
automatic regulating
improvement
regulating devices
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B29/00—Machines or engines with pertinent characteristics other than those provided for in preceding main groups
    • F01B29/08—Reciprocating-piston machines or engines not otherwise provided for
    • F01B29/10—Engines
    • F01B29/12—Steam engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B17/00—Reciprocating-piston machines or engines characterised by use of uniflow principle
    • F01B17/02—Engines
    • F01B17/04—Steam engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B25/00—Regulating, controlling or safety means
    • F01B25/02—Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity
    • F01B25/04—Sensing elements
    • F01B25/06—Sensing elements responsive to speed
    • 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
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7805—Through external pipe
    • Y10T137/7807—Adjustable external lever

Definitions

  • the object of my invention is to provide a simple and economical automatic regulating device for steam-engines; and this object I attain in the manner which I will now proceed to describe, reference being had to the accompanyin g drawings, which represents an elevation, partly in section, of my improved regulating device.
  • A is a cylindrical casin g, separated into two chambers by means of an elastic diaphragm, B, 011 the upper side of which rests the enlarged and rounded head of a rod, (0, connected to a lever, D.
  • This lever is pivoted to a suitable standard, H, or to any fixed object, and its long arm is connected to the spindle b of a valve, F, by which the admission of steam to the engine is regulated, the short arm of the lever being attached to an adjustable spring, E, the tendency of which is to depress the said short arm and to elevate the regulating-valve.
  • the pipe d affords a communication between the exhaust-pipe or exhaust-passage of the engine and the chamber below the diaphragm, this chamber having also an outlet-pipe, e, which is, by preference, furnished with a cock, f, for a purpose explained hereafter.
  • the cock f is first so adjusted as to somewhat retard the escape of the steam from the chamber below the diaphragm.
  • the exhaust steam intermittently admitted to this chamber causes a constant pulsation of the elastic diaphragm, and a consequent vibration of the lever D, the upward movement of the diaphragm causing such a movement of the said lever as will contract the opening in the regulatin g-valve, through which the steam passes to the engine.
  • any increase in the speed of the engine will cause an increase in the number of pulsations of the elastic diaphragm, and will reduce the volume of steam which passes to the engine to such an extent that it will soon resume its normal speed.
  • the speed of the engine can be increased or diminished by adjusting the stop-cock f, for if the cock is fully opened the force of the pulsations of steam will be lessened, and the elastic diaphragm, and consequently the lever D, will be so restricted in its movement that a greater volume of steam will pass to the engine than when the cock is partly closed.
  • a steam-engine regulator in which are combinedthe following elementsnamely, an elastic loaded diaphragm or piston, B, a chamber, 1, beneath the same, the exhaust-pipe or exhaust-passage of the engine, a pipe, I), forming a communication between the exhaust-pipe and the chamber, an outlet, 0, from the latter, a regulatingvalve, F, and mechanism whereby the pulsating movements of the diaphragm or piston are communicated to the said regulating-valve, all substantially as set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sampling And Sample Adjustment (AREA)

Description

A. De BEAUMONT. Automatic Regulating Device for Steam Engines. 7 No. i6l,764. l Apri|6,i875.
THE GRAPHIC C0-PHOT0rLITN-39 R41 PARK PMGE,N-Y-
ALEXANDRE DE BEAUMONT, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONE-HALF HIS RIGHT TO JOHN WEIDIG AND CHARLES YOOKEL, OF
SAME PLACE.
IMPROVEMENT lN AUTOMATIC REGULATING DEVICES FOR STEAM-ENGINES.
Specification forming part of Letters Patent No. 161 ,764, dated April 6, 1875; application filed December 14, 1874.
To all whom it may concern:
Be it known that I, ALEXANDRE DE BEAU- MONT, of Philadelphia, Pennsylvania, have invent a certain Automatic Regulating Device for Steam-Engines, of which the following is a specification:
The object of my invention is to provide a simple and economical automatic regulating device for steam-engines; and this object I attain in the manner which I will now proceed to describe, reference being had to the accompanyin g drawings, which represents an elevation, partly in section, of my improved regulating device.
A is a cylindrical casin g, separated into two chambers by means of an elastic diaphragm, B, 011 the upper side of which rests the enlarged and rounded head of a rod, (0, connected to a lever, D. This lever is pivoted to a suitable standard, H, or to any fixed object, and its long arm is connected to the spindle b of a valve, F, by which the admission of steam to the engine is regulated, the short arm of the lever being attached to an adjustable spring, E, the tendency of which is to depress the said short arm and to elevate the regulating-valve. The pipe d affords a communication between the exhaust-pipe or exhaust-passage of the engine and the chamber below the diaphragm, this chamber having also an outlet-pipe, e, which is, by preference, furnished with a cock, f, for a purpose explained hereafter. The cock f is first so adjusted as to somewhat retard the escape of the steam from the chamber below the diaphragm.
The exhaust steam intermittently admitted to this chamber causes a constant pulsation of the elastic diaphragm, and a consequent vibration of the lever D, the upward movement of the diaphragm causing such a movement of the said lever as will contract the opening in the regulatin g-valve, through which the steam passes to the engine.
Any increase in the speed of the engine will cause an increase in the number of pulsations of the elastic diaphragm, and will reduce the volume of steam which passes to the engine to such an extent that it will soon resume its normal speed. The speed of the engine can be increased or diminished by adjusting the stop-cock f, for if the cock is fully opened the force of the pulsations of steam will be lessened, and the elastic diaphragm, and consequently the lever D, will be so restricted in its movement that a greater volume of steam will pass to the engine than when the cock is partly closed.
I wish it to be understood that I do not desire to claim the elastic diaphragm and its rod to, nor, in fact, any of the within-described parts viewed separately from each other; but
I claiin as my invention A steam-engine regulator, in which are combinedthe following elementsnamely, an elastic loaded diaphragm or piston, B, a chamber, 1, beneath the same, the exhaust-pipe or exhaust-passage of the engine, a pipe, I), forming a communication between the exhaust-pipe and the chamber, an outlet, 0, from the latter, a regulatingvalve, F, and mechanism whereby the pulsating movements of the diaphragm or piston are communicated to the said regulating-valve, all substantially as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
ALEXANDRE DE BEAUMONT.
Witnesses HUBERT HowsoN, HARRY SMITH.
US161764D Improvement in automatic regulating devices for steam-engines Expired - Lifetime US161764A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050234765A1 (en) * 2004-04-15 2005-10-20 Blumberg Marc A Method for evaluating computer-network based marketing tactics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050234765A1 (en) * 2004-04-15 2005-10-20 Blumberg Marc A Method for evaluating computer-network based marketing tactics

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