US664026A - Speed-regulator. - Google Patents

Speed-regulator. Download PDF

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Publication number
US664026A
US664026A US70800699A US1899708006A US664026A US 664026 A US664026 A US 664026A US 70800699 A US70800699 A US 70800699A US 1899708006 A US1899708006 A US 1899708006A US 664026 A US664026 A US 664026A
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United States
Prior art keywords
speed
levers
regulator
wheel
shoes
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Expired - Lifetime
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US70800699A
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Lewis Hallock Nash
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Individual
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Priority to US70800699A priority Critical patent/US664026A/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
    • F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members

Definitions

  • My present invention relates to speed-regulators; and it consists of certain novel parts and combinations of parts, particularly pointed out in the concluding claims.
  • Figure l is a side view of a speed-regulator involving my invention
  • Fig. 2 is a cross-section on the line 2 2, Fig. 1.
  • Fig. 3 shows in sectional detail the relation of the pivots of the shoe and of its pivoted support.
  • 3 is the engineshaft, and t the drivingwheel.
  • 1O 10 10 are the weighted ends of the arms 8 8 8.
  • 11 11 ll are springs at one end attached to the spokes of the driven wheel 6 by adjustable nuts and at the other end attached to the arms 8.
  • the operation of the device is as follows: The speed of the wheel 4, driven by the engine, is more or less variable, and the object is to maintain the speed of the driven wheel 6 more nearly invariable.
  • the coiled springs 11 constantly tend to press the shoes 7, carried on the driven wheel, against the inner rim of the driving-wheel. By these frictionshoes the power is transmitted from one wheel Serial No. 708,006. (No model.)
  • the centrifugal force of the weights 10 overcomes the elasticity of the springs and withdraws the shoes from contact with the driven wheel or diminishes such friction-contact, permitting the driving-wheel to exceed the speed of the driven wheel.
  • the energy of the springs and the levers controlled by centrifugal force constantly oppose each other. While the energy of the spring is substantially constant, the centrifugal force varies with the speed, and the shoes are controlled by the difference between the two. As the wheels revolve in the direction of the arrow 12 all tendency to jam is avoided, since friction tends to release the shoe and not to clamp it.
  • a speed-regulator the combination of rotative driving and driven members adapted to be connected to rotate in unison respectively with the motor and the mechanism being driven, levers pivoted upon said driven member, shoes carried by said levers and adapted to frictionally engage the driving member, and springs connected with said levers and proportioned to neutralize the centrifugal force developed in said levers at the desired speed, and to swing the levers in opposition to the centrifugal force and so as to apply the shoes at lower speeds and in the opposite direction to free the shoes at higher speeds.
  • a speed-regulator the combination with a driving and a driven wheel, mounted upon coincident axes, the-driving-wheel having a friction-surface thereon, of levers pivoted near one end to the driven wheel, shoes carried on the short arms of the levers and adapted to engage the friction-surface upon the driving-wheel, the short arms of the levers extending with the direction of slip of the driving-wheel upon the shoe, and springs acting in opposition to centrifugal force upon said levers.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

No. 664,026. Patented Dec. l8, I900.
L. H. NASH. v
SPEED REGULATOR.
(Appl 6 man 6 18991 2 SheetsSheet (No Model.)
WITNESSES:
' No. 664,026. Patented Dec. l8, I900.
L. NASH. SPEE GULATDB. (Application filed. Mar. 6, 1899.)
(No Model.) 2 Shaets8heet 2.
INVENTOR WITNESSES:
QM aw 0". AT NEY S.
THE NORRiS PETERS co. FHOTO-LYTHQAVASHINGYUN: n. c.
UNITED STATES PATENT OFFICE.
LEWIS HALLOOK NASH, OF SOUTH NORWAIIK, CONNECTICUT.
SPEED-REGULATOR.
SPECIFICATION forming part of Letters Patent No. 664,026, dated December 18, 1900.
Application filed March 6, 1899.
To all whom it may concern:
Be it known that I, LEwIs HALLOOK NASH, a citizen of the United States, and a resident of South Norwalk, in the county of Fairtield and State of Connecticut, have invented certain new and useful Improvements in Speed-Regulators,of which the fcllowingis a specification.
My present invention relates to speed-regulators; and it consists of certain novel parts and combinations of parts, particularly pointed out in the concluding claims.
In the accompanying drawings Ihave shown my invention applied in the form which is at present preferred by me; but it will be understood that various modifications and changes may be made Without departing from the spirit of my invention and without exceeding the scope of the concluding claims.
Referring to the drawings, Figure l is a side view of a speed-regulator involving my invention; and Fig. 2 is a cross-section on the line 2 2, Fig. 1. Fig. 3 shows in sectional detail the relation of the pivots of the shoe and of its pivoted support.
The following is a description of the structure shown in the drawings, illustrating the embodiment of my invention at present preferred.
3 is the engineshaft, and t the drivingwheel.
5 is the shaft of the driven mechanism, which in this case we will assume to be a dynamo.
6 is the driven wheel.
7 '7 7 are friction-shoes (preferably faced with leather) by means of which the energy of the shaft 3 is communicated to the shaft 5.
8 8 8 are levers supported on pivots 9 9 9, carried by driven wheel 6, to which leverarms the shoes 7 7 7 are pivoted.
1O 10 10 are the weighted ends of the arms 8 8 8.
11 11 ll are springs at one end attached to the spokes of the driven wheel 6 by adjustable nuts and at the other end attached to the arms 8.
The operation of the device is as follows: The speed of the wheel 4, driven by the engine, is more or less variable, and the object is to maintain the speed of the driven wheel 6 more nearly invariable. The coiled springs 11 constantly tend to press the shoes 7, carried on the driven wheel, against the inner rim of the driving-wheel. By these frictionshoes the power is transmitted from one wheel Serial No. 708,006. (No model.)
to the other. When, however, the driven wheel exceeds the normal predetermined speed, the centrifugal force of the weights 10 (or the lever ends without weights) overcomes the elasticity of the springs and withdraws the shoes from contact with the driven wheel or diminishes such friction-contact, permitting the driving-wheel to exceed the speed of the driven wheel. In this construction the energy of the springs and the levers controlled by centrifugal force constantly oppose each other. While the energy of the spring is substantially constant, the centrifugal force varies with the speed, and the shoes are controlled by the difference between the two. As the wheels revolve in the direction of the arrow 12 all tendency to jam is avoided, since friction tends to release the shoe and not to clamp it.
Having thus described the structure which in the form at present shown embodies my invention, what I claim, and desire to secure by Letters Patent, is
1. In a speed-regulator, the combination of rotative driving and driven members adapted to be connected to rotate in unison respectively with the motor and the mechanism being driven, levers pivoted upon said driven member, shoes carried by said levers and adapted to frictionally engage the driving member, and springs connected with said levers and proportioned to neutralize the centrifugal force developed in said levers at the desired speed, and to swing the levers in opposition to the centrifugal force and so as to apply the shoes at lower speeds and in the opposite direction to free the shoes at higher speeds.
2. In a speed-regulator the combination with a driving and a driven wheel, mounted upon coincident axes, the-driving-wheel having a friction-surface thereon, of levers pivoted near one end to the driven wheel, shoes carried on the short arms of the levers and adapted to engage the friction-surface upon the driving-wheel, the short arms of the levers extending with the direction of slip of the driving-wheel upon the shoe, and springs acting in opposition to centrifugal force upon said levers.
LE WIS HALLOOK NASH.
"Witnesses:
JOHN H. NORRIS, HARRY T. WooLsoN.
IOO
US70800699A 1899-03-06 1899-03-06 Speed-regulator. Expired - Lifetime US664026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US70800699A US664026A (en) 1899-03-06 1899-03-06 Speed-regulator.

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US70800699A US664026A (en) 1899-03-06 1899-03-06 Speed-regulator.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262552A (en) * 1976-10-08 1981-04-21 Honda Giken Kogyo Kabushiki Kaisha Flywheel assembly for an internal combustion engine
US20080155762A1 (en) * 2006-12-28 2008-07-03 Kimberly-Clark Worldwide, Inc. Process for dyeing a textile web

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262552A (en) * 1976-10-08 1981-04-21 Honda Giken Kogyo Kabushiki Kaisha Flywheel assembly for an internal combustion engine
US20080155762A1 (en) * 2006-12-28 2008-07-03 Kimberly-Clark Worldwide, Inc. Process for dyeing a textile web

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