US637368A - Governor. - Google Patents
Governor. Download PDFInfo
- Publication number
- US637368A US637368A US72422199A US1899724221A US637368A US 637368 A US637368 A US 637368A US 72422199 A US72422199 A US 72422199A US 1899724221 A US1899724221 A US 1899724221A US 637368 A US637368 A US 637368A
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- US
- United States
- Prior art keywords
- governor
- blades
- brakes
- contact
- brought
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/02—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with blades or like members braked by the fluid
Definitions
- My invention relates to governors or fly-fans more particularly adapted for automatic mechanical musical instruments, though obviously the governor may be used in any instrument in which it may be found available.
- the object of my present invention is to overcome the difficulties heretofore found in governors and to provide a simple and efficient governor which will maintain the device to which it is applied at a given rate of speed under various circumstances and conditions.
- Figure 1 is a side view of a governor embodying my invention.
- Fig. 2 is a top view of the same.
- A represents the ordinary driving spindle or shaft of a governor, which is provided with a worm a, that cooperates with the usual train of gear to operate the governor.
- arm b which is provided with pivot-pins c, to which the governing elements or flyfans (1 are pivoted.
- These fiy-fans are normally maintained in the position represented in the drawings by coiled springs 6, each of which has one end connected to the outer end of a fly-fan or blade 01, as represented at f, the opposite end of each of these coiled springs being secured to the opposite fly-fan, as indicated at g.
- a brake h which consists of a curved arm having a brake shoe 1' at its free end, which free end extends beyond or to one side of the pivot of the fly fan to which it is attached.
- Each of these brakes is likewise bent laterally, as indicated in Fig. 1 of the drawings, so that the brake 7o shoe 1 formed at the end thereof, is brought into line with the contact-face of a part j.
- This part j is shown in the present instance as a fibrous washer which is fixed to a sta tionary portion it of the instrument, as indicated at Z. It will be observed from Fig.
- the brakes are normally out of contact with the contact-face of the part j, with which they cooperate, and are only brought into contact with said part when the blades rotate on their pivots to aconsider able extent or when they have nearly reached the outward limit of expansion. It will therefore be understood that under normal conditions the automatic expansion of the blades or fly-fans is not interfered with by the brakes and that the said brakes are only brought into action when an abnormal expansion of the blades is produced. It will likewise be observed that after the brakes are once brought into action a further expansion of the governing elements will increase the frictional contact between the brakes and the cooperating contact-face of the part j. In other words, the brakes will be applied with greater force as the governing elements approach the limit of their expansion.
- a governor having g overlapping automatically-expanding spring-pressed governingblades which are pivoted parallel to the axis of rotation of the governor and are adapted to be moved from the normal overlapping position to present a greater surface area to the atmosphere, brakes carried by said blades and projecting beyond the pivots thereof and adapted to move-with the blades around their pivots and a fixed'part having a fibrous surface with which said brakes cooperate, the brakes being normally out of action and adapted to be brought into action when the blades reach substantially the limit of their movement around their pivots.
Description
No. 637,368. Patented Nov. 2|, I899. G. A. BRACHHAUSEN.
GOVERNOR.
(Application filed July 18, 1899.}
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UNITED STATES GUSTAV A. BRACHHAUSEN,
REGINA MUSIC PATENT OFFICE.
OF RAHWAY, NEW JERSEY, ASSIGNOR TO THE BOX COMPANY, OF SAME PLACE.
GOVERNOR.
SPECIFICATION forming part of Letters Patent N 0. 637,368, dated November 21, 1899. Application filed July 18, 1899. Serial No. 724,221. (No model.)
To all whom it may concern.-
Be it known that I, GUSTAV A. BRACHHAU- SEN, a subject of the Emperor of Germany, residing in Rahway, Union county, New J ersey, have invented certain new and useful Improvements in Governors, of which the following is a specification.
My invention relates to governors or fly-fans more particularly adapted for automatic mechanical musical instruments, though obviously the governor may be used in any instrument in which it may be found available.
In governors heretofore employed, espe cially in mechanical musical instruments,considerable difficulty has been encountered by reason of the fact that the ordinary automatic expansion of the governing elements or flyfans is under certain conditions insufficient to regulate the speed of the governor and maintain the elements controlled by the governor at a given rate of speed.
The object of my present invention is to overcome the difficulties heretofore found in governors and to provide a simple and efficient governor which will maintain the device to which it is applied at a given rate of speed under various circumstances and conditions.
To these ends my invention consists in the novel arrangement and combination of parts to be hereinafter described and claimed.
In the accompanying drawings, Figure 1 is a side view of a governor embodying my invention. Fig. 2 is a top view of the same.
In the drawings, A represents the ordinary driving spindle or shaft of a governor, which is provided with a worm a, that cooperates with the usual train of gear to operate the governor. Rigidly connected to the shaftA is an arm b,which is provided with pivot-pins c, to which the governing elements or flyfans (1 are pivoted. These fiy-fans are normally maintained in the position represented in the drawings by coiled springs 6, each of which has one end connected to the outer end of a fly-fan or blade 01, as represented at f, the opposite end of each of these coiled springs being secured to the opposite fly-fan, as indicated at g. In this manner the governing elements or blades 01 are maintained normally in a parallel and overlapping position, as repli II V resented in Fig. 2 of the drawings, and when the governor is rotated the blades are forced outwardly from the overlapping position to present a greatersurface area for contact with the atmospherethat is to say, the blades in their normal position overlap each other so as to occupyin length aspace slightly greater than one blade, whereas when they are expanded they are moved from'the normal overlapping position toa position where the lengthwise space occupied by the blades is substantially that of the length of both blades. To each of the blades 01 is connected a brake h, which consists of a curved arm havinga brake shoe 1' at its free end, which free end extends beyond or to one side of the pivot of the fly fan to which it is attached. Each of these brakes is likewise bent laterally, as indicated in Fig. 1 of the drawings, so that the brake 7o shoe 1 formed at the end thereof, is brought into line with the contact-face of a part j. This part j is shown in the present instance as a fibrous washer which is fixed to a sta tionary portion it of the instrument, as indicated at Z. It will be observed from Fig. 2 of the drawings that the brakes are normally out of contact with the contact-face of the part j, with which they cooperate, and are only brought into contact with said part when the blades rotate on their pivots to aconsider able extent or when they have nearly reached the outward limit of expansion. It will therefore be understood that under normal conditions the automatic expansion of the blades or fly-fans is not interfered with by the brakes and that the said brakes are only brought into action when an abnormal expansion of the blades is produced. It will likewise be observed that after the brakes are once brought into action a further expansion of the governing elements will increase the frictional contact between the brakes and the cooperating contact-face of the part j. In other words, the brakes will be applied with greater force as the governing elements approach the limit of their expansion.
It has been found in practice not to be desirable to depend wholly upon a brakingaction to control the speed of a governor, inasmuch as it has been found difficult to maintain a given rate of speed by this means. It will be seen that in accordance with my invention the brakes are not brought into action except when the governing elements have nearly reached the limit of their expansion, and therefore the braking action does not interfere with the governor during the normal action thereof.
Having described my invention, what I claim, and desire to secure by Letters Patent,
1. Agovernorhavingoverlappingautomatically-expanding governor-blades which are adapted to be moved from the normal overlapping position to present a greater surface area to the atmosphere, brakes carried by said blades and a fixed part having a surface with which said brakes cooperate, the brakes being normally out of contact with said surface and adapted to be brought into contact therewith when the blades reach substantially the limit of their expansion.
2. Agovernorhaving overlapping automatically-expanding governor-blades which are pivoted parallel to the axis of rotation of the goi ernor and are adapted to be moved from the normal overlapping position to present a greater surface area to the atmosphere, brakes carried by and adapted to move with said blades around their pivots and a fixed part having a surface with which said brakes cooperate, the brakes being normally out of contact with said surface and adapted to be brought into contact therewith when the blades reach substantially the limit of their movement around their pivots.
3. A governorhavin g overlapping automatically-expanding spring-pressed governingblades which are pivoted parallel to the axis of rotation of the governor and are adapted to be moved from the normal overlapping position to present a greater surface area to the atmosphere, brakes carried by said blades and projecting beyond the pivots thereof and adapted to move-with the blades around their pivots and a fixed'part having a fibrous surface with which said brakes cooperate, the brakes being normally out of action and adapted to be brought into action when the blades reach substantially the limit of their movement around their pivots.
GUSTAV A. BRACI'II-IAUSEN.
\Vitnesses:
CHARLES E. SMITH, Orro v. SCHRENK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72422199A US637368A (en) | 1899-07-18 | 1899-07-18 | Governor. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72422199A US637368A (en) | 1899-07-18 | 1899-07-18 | Governor. |
Publications (1)
Publication Number | Publication Date |
---|---|
US637368A true US637368A (en) | 1899-11-21 |
Family
ID=2705957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US72422199A Expired - Lifetime US637368A (en) | 1899-07-18 | 1899-07-18 | Governor. |
Country Status (1)
Country | Link |
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US (1) | US637368A (en) |
-
1899
- 1899-07-18 US US72422199A patent/US637368A/en not_active Expired - Lifetime
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