US393059A - Fly-wheel - Google Patents

Fly-wheel Download PDF

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Publication number
US393059A
US393059A US393059DA US393059A US 393059 A US393059 A US 393059A US 393059D A US393059D A US 393059DA US 393059 A US393059 A US 393059A
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United States
Prior art keywords
wheel
fly
shaft
ratchet
pawl
Prior art date
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Expired - Lifetime
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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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
    • 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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2121—Flywheel, motion smoothing-type
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2133—Pawls and ratchets
    • Y10T74/2136—Pivoted pawls

Definitions

  • This invention has relation to fly-wheels or main pulleys for steam engines and other motors, and particularly to that class of wheels or pulleys in which a ratchetwheel and pawl or dog are employed to allow the wheel to turn in one direction independently of the shaft upon which it is mounted.
  • My invention consists in the combination, with the engine or motor shaft having aconical head or spindle and carrying a ratchetwheel,of the flywheel or pulley havingaconieallyrecessed hub and carrying a pawl which engages with said ratchet, with devices for holding the wheel upon the shaft and preventing binding of the same.
  • Figure 1 is side view of a'ily-wheel or pulley upon the main shaft of an engine provided with my improved appliance; Fig, 2, a transverse sectional view on line or .r of Fig. 1, and Fig. 3 a section of a detail.
  • Fig. 4 is a central sectional view showing the conical hub and the wheel mounted thereon.
  • A designates the main shaft of an engine or motor, and B the flywheel or main pulley.
  • a ratchetwheel D
  • a pawl d engaging with the teeth of the ratchet and held in close contact or engagement therewith by a spring, 0, one end of which is inserted in the outer surface of the spoke, from which the spring is bent back upon itself and under the spoke.
  • the main shaft is supposed to rotate in the direction of the arrow upon the face of the ratchet, and through said ratchet and pawl transmits motion to the fly-wheel.

Description

- (No Model.) 2 SheetsSheet 1.
L. D. COPELAND.
FLY WHEEL.
No. 393,059 Patented Nov. 20, 1888.
2 Sheets-Sheet 2..
(No Model.)
L. D. COPELAND.
FLY WHEEL.
No. 393,059. Patented Nov. 20, 1888.
lwitmeawo NrrEn STATES PATENT Fries.
FLY-WHEEL.
SPECIFICATION forming part of Letters Patent No. 393,059, dated November 20, 1888.
Application filed November 19, 1887. Serial No. 255.632.
To all whom it may concern.- Be itknown that I, LUoIUs D. COPELAND, a citizen of the United States, residing at Gamden, in the county of Camden and Stateof New Jersey, have invented certain new and useful Improvements in Fly-l/Vheels for Steam-Englues; and I do hereby declare the following to be a full, clear, and exact description of the invention, reference being had to the accompanying drawings, which form part of this specification.
This invention has relation to fly-wheels or main pulleys for steam engines and other motors, and particularly to that class of wheels or pulleys in which a ratchetwheel and pawl or dog are employed to allow the wheel to turn in one direction independently of the shaft upon which it is mounted.
My invention consists in the combination, with the engine or motor shaft having aconical head or spindle and carrying a ratchetwheel,of the flywheel or pulley havingaconieallyrecessed hub and carrying a pawl which engages with said ratchet, with devices for holding the wheel upon the shaft and preventing binding of the same.
In the accompanying drawings, Figure 1 is side view of a'ily-wheel or pulley upon the main shaft of an engine provided with my improved appliance; Fig, 2, a transverse sectional view on line or .r of Fig. 1, and Fig. 3 a section of a detail. Fig. 4 is a central sectional view showing the conical hub and the wheel mounted thereon.
A designates the main shaft of an engine or motor, and B the flywheel or main pulley.
Instead of keying or otherwise rigidly securing the fly-whcel to the main shaft, I fit the former loosely upon the shaft, and in order to give it ample bearing-surface and prevent bending I provide the shaft with a tapering or conical head, a, and correspondingly taper the hub of the wheel. Upon the outer face of the hub I place a disk or washer, b, and secure the same in place by meansof a screw or bolt, (1, and a spiral spring, (1, the latter being (No model.)
situated between the head of the bolt and the face of the washer. When freely rotating,the tendency of the wheel will be to move toward the end of the shaft and become loose upon its bearings. This is an advantage, and lcmploy the spring so that it may yield sufficiently under the pressure of the wheel to free thelatter from close or binding contact with the conical. bearing.
Upon the main shaft adjacent to the inner face of the wheel is fixed rigidly a ratchetwheel, D, while pivoted to one of the spokes of the wheel is a pawl, d engaging with the teeth of the ratchet and held in close contact or engagement therewith by a spring, 0, one end of which is inserted in the outer surface of the spoke, from which the spring is bent back upon itself and under the spoke. The main shaft is supposed to rotate in the direction of the arrow upon the face of the ratchet, and through said ratchet and pawl transmits motion to the fly-wheel. Now, in the event of the sudden stoppage of the engine and shaft, which may result from priming in the boiler, causing a sudden stoppage of the piston, the fly-wheel will continue notwithstanding to revolve, the pawl sliding over the beveled faces of the ratchet-teeth until the momentum is exhausted.
Having described my invention, what I claim 1s The combination, with the shaft A, having a conical head or spindle, a, and carrying a ratehetwhcel, D, of the fly-wheel or pulley B, having a conically-recesscd hub and carrying the pawl d", engaging with said ratchet, the disk or washer 0, spring (1, and screw or bolt d, substantially as described.
In testimony that I claim the foregoing I have hereunto set my hand this 14th day'of November, 1887.
LUCIUS D. OOPEL AND.
Vitnesses:
J os. 13. OoNNoLLY, R. DALE SPARHAWK.
US393059D Fly-wheel Expired - Lifetime US393059A (en)

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US393059A true US393059A (en) 1888-11-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040152565A1 (en) * 2003-02-04 2004-08-05 Wasson Dewain L. Method and system for coupling a flywheel assembly onto a shaft of an electric motor using a self-holding taper
US10174806B2 (en) * 2016-02-29 2019-01-08 Cesar Juan Munoz Saez Flywheel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040152565A1 (en) * 2003-02-04 2004-08-05 Wasson Dewain L. Method and system for coupling a flywheel assembly onto a shaft of an electric motor using a self-holding taper
US7217226B2 (en) 2003-02-04 2007-05-15 Mcmillan Electric Company Method and system for coupling a flywheel assembly onto a shaft of an electric motor using a self-holding taper
US20080009397A1 (en) * 2003-02-04 2008-01-10 Mcmillan Electric Company Method and System for Coupling a Flywheel Assembly onto a Shaft of an Electric Motor using a Self-Holding Taper
US7563204B2 (en) 2003-02-04 2009-07-21 Mcmillan Electric Company Method and system for coupling a flywheel assembly onto a shaft of an electric motor using a self-holding taper
US10174806B2 (en) * 2016-02-29 2019-01-08 Cesar Juan Munoz Saez Flywheel

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