US559181A - Ranald macintosh macdonald - Google Patents

Ranald macintosh macdonald Download PDF

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Publication number
US559181A
US559181A US559181DA US559181A US 559181 A US559181 A US 559181A US 559181D A US559181D A US 559181DA US 559181 A US559181 A US 559181A
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macdonald
ranald
macintosh
vessel
receptacle
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S494/00—Imperforate bowl: centrifugal separators
    • Y10S494/902—Imperforate bowl: centrifugal separators involving the use of mercury

Definitions

  • Patents have been granted in Great Britain, No. 23,999, dated December 10, 1894; in France, No. 243,509, dated'March 26, 1895, and in New Zealand, N 0. 7,209, dated October 15, 1894.
  • My invention includes a rotary receptacle for containing a movable medium adapted to be affected by centrifugal force and to affect the flexible Wall of the receptacle, the change in which is communicated through suitable connections to a valve or other device controlling the speed of the machine.
  • Figure 1 is a part elevation and part sectional View of one form of my invention
  • Fig. 2 is a similar View of a modification.
  • Fig. 1 the vessel a is of spherical form and composed of flexible material, and is rotated through power applied to the bearing *2", Which is tubular and extends up Within the vessel above the level of the mercury.
  • the valve-rod m extends from the top of the receptacle down through the tubular bearing.
  • a metallic protectingcasing O incloses the am No. 559,181, dated April 28, 1896.
  • the vessel will expand in a horizontal plane and contract vertically when the speed increases above that determined upon, and the valve-controlling rod m will be moved vertically; This action is due to the centrifugal action of the contained quicksilver or other medium when affected by the centrifugal force.
  • Fig. 2 the vessel and other parts are substantially the same, the rod 112 extending upward from the vessel, and radial paddles or arms n being used, attached to a rotary shaft is driven from the engine, said arms setting the mercury in rapid movement.
  • the vessel a may be fixed in position.
  • centrifugal governor comprising a spherical receptacle of flexible material containing mercury or the'like adapted to expand the receptacle by centrifugal force and the valverod connected to the flexible Wall of the receptacle, substantially as described.

Description

R. M. MACDONALD.
AUTOMATIC GOVERNOR.
No. 559,181. PatentedApr. 28,1896.
UNITED STATES I "PATENT OFFICE.
AUTOMATIC GOVERNOR.
SPECIFICATION formingpart of Letters Application filed D m r 18, 1894. $erial No- 582,230. (No in England December 10,1894,No. 23,999,
To aZZ whom it may concern:
Be it known that I, RANALD MACINTOSH MACDONALD, of 32 Cathedral Square, Christchurch, in the Provincial District of Canterbury, in the Colony of New Zealand, have invented an Improved Automatic Governor, of which the following is a specification.
Patents have been granted in Great Britain, No. 23,999, dated December 10, 1894; in France, No. 243,509, dated'March 26, 1895, and in New Zealand, N 0. 7,209, dated October 15, 1894.
My invention includes a rotary receptacle for containing a movable medium adapted to be affected by centrifugal force and to affect the flexible Wall of the receptacle, the change in which is communicated through suitable connections to a valve or other device controlling the speed of the machine.
In the drawings, Figure 1 is a part elevation and part sectional View of one form of my invention, and Fig. 2 is a similar View of a modification.
In Fig. 1 the vessel a is of spherical form and composed of flexible material, and is rotated through power applied to the bearing *2", Which is tubular and extends up Within the vessel above the level of the mercury. The valve-rod m extends from the top of the receptacle down through the tubular bearing. A metallic protectingcasing O incloses the am No. 559,181, dated April 28, 1896.
model.) Patented in New Zealand October 15, 1894, No. 7,209; and in France March 26,1895,N0. 248,509.
vessel. The vessel will expand in a horizontal plane and contract vertically when the speed increases above that determined upon, and the valve-controlling rod m will be moved vertically; This action is due to the centrifugal action of the contained quicksilver or other medium when affected by the centrifugal force. 7
In Fig. 2 the vessel and other parts are substantially the same, the rod 112 extending upward from the vessel, and radial paddles or arms n being used, attached to a rotary shaft is driven from the engine, said arms setting the mercury in rapid movement. In this instance the vessel a may be fixed in position.
I do not Wish to limit myself to mercury, as any equivalent centrifugal means may be used.
I claim A centrifugal governor comprising a spherical receptacle of flexible material containing mercury or the'like adapted to expand the receptacle by centrifugal force and the valverod connected to the flexible Wall of the receptacle, substantially as described.
Dated this 30th day of October, 1894.
1tANALD-tIltCINTOSlI IIIAODONALD.
Witnesses HENRY HAMPTON RAYWARD,
SAMUEL OUMINe.
US559181D Ranald macintosh macdonald Expired - Lifetime US559181A (en)

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