US112420A - Improvement in steam-engine governors - Google Patents
Improvement in steam-engine governors Download PDFInfo
- Publication number
- US112420A US112420A US112420DA US112420A US 112420 A US112420 A US 112420A US 112420D A US112420D A US 112420DA US 112420 A US112420 A US 112420A
- Authority
- US
- United States
- Prior art keywords
- steam
- improvement
- balls
- engine governors
- governors
- 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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- 230000007423 decrease Effects 0.000 description 2
- 241000282465 Canis Species 0.000 description 1
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G05D13/08—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover without auxiliary power
- G05D13/10—Centrifugal governors with fly-weights
Definitions
- the drawing represents a side view, partly in section, of my improved governor.
- This invention relates to a new method of segulating the movement of the balls of a steamgovernor :speed to retain their assumed position, since proportionately more power is required to increase the expanso'n than was employed to réelle-hem to the po- Ordinary governors are therefore unreliable, as their valves are not promptly closed under a high rate of speed, at .least not -as promptly as they could be were the vis 'inertia oi' the halls not in excess to the difference of power developed by increased rotatiom
- the mainthe ball-'arms the leverage of the latter, as far as their action upon the valve is concerned, decreases with the .increased expansion of the balls, and the resistance to be overcomeby further elevation and expansion of the balls is increased in the same rate
- a in the drawing represents the valve-rod of a steamengiue governor, ca 'ying at its upper. enda wedge-shaped or tapering b ook, a; This bloclr ⁇ is narrower at its upper
- B B are the ball-arms, carrying the .balls 0,and pivoted, by pins, b ,12, to the shell or 'frame of the gow ernor.
- the inner ends of the arms B carry toothed eccenA tric segments or canis, l d, that mesh into the oppov site edges of the block a.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Valve Device For Special Equipments (AREA)
Description
PATENT@ MAR 7 11871 LLI. Y0/eda15 Q01/677202:'
f ittiidi hmatnd ditte sition in which they move.
bje'ct of my invention. f By the `use ofthe 'cam-shaped segmental gears on 4GI'IARLES liiyoolvnit, or INDIANAPOLIS, .IN-DIANA.
Letters Patent N.' 112,420, dem man?, 187i.
IMPRovrMeNT IN'sTEAM-ENGINE GovERNoRs.
The Schedule referred to in Bleue Letters Batam: un! making pa'xt of the lerne,
.To all whom it may concern:
Be it known that I, CHARLES A; Donna, ofvIn- 'dianapolis in the county of Marion and State of In diana, have invented 'a new and improved Governor for Steam-Engines 'and I do hereby declare that the following is a full, clear, and exact description thereof, which will enableI others skilled v'in the art toniake and use the same, reference being had to the accompanying drawing forming part-of this specification.
The drawing represents a side view, partly in section, of my improved governor.
This invention relates to a new method of segulating the movement of the balls of a steamgovernor :speed to retain their assumed position, since proportionately more power is required to increase the expanso'n than was employed to bringt-hem to the po- Ordinary governors are therefore unreliable, as their valves are not promptly closed under a high rate of speed, at .least not -as promptly as they could be were the vis 'inertia oi' the halls not in excess to the difference of power developed by increased rotatiom To graduate this difference of power is the mainthe ball-'arms the leverage of the latter, as far as their action upon the valve is concerned, decreases with the .increased expansion of the balls, and the resistance to be overcomeby further elevation and expansion of the balls is increased in the same rate A in the drawing represents the valve-rod of a steamengiue governor, ca 'ying at its upper. enda wedge-shaped or tapering b ook, a; This bloclr` is narrower at its upper end, and has its inclined edges `toothe d, as shown.
B B are the ball-arms, carrying the .balls 0,and pivoted, by pins, b ,12, to the shell or 'frame of the gow ernor.
The inner ends of the arms B carry toothed eccenA tric segments or canis, l d, that mesh into the oppov site edges of the block a.
I The curves of these two edges are struck frommenters, e, that are higher and outward from the pivots b,
as indicated by dotted lines in the drawing; thereby the distance between the pivot and the upper tooth ot each segment d vexceeds by so much that between said pivot and the lower tooth as the upper tooth of the rod a is nearer-to the axis of the val'v'efrod than the lower tooth of sadbiock; consequently the leverage of the ball-arms decreases the nearer' the cam works toward its upper tooth.
The more, consequently, the balls areiexpanded the less will become their power'as applied to the valverod, the movement of' which is' thus increased at the same rate at which the resistance to be overcome by the balls in furthei'expansion is augmented.
Having thus described my invention,
I claim as'new and desire to secure -by Letters Patent- The segmental-toothed cams d, applied to the ballarm's of a governor, and connected with the toothed tapering block a on the valve-rod, substantially as herein shown and'described.
OHAS.. A. CONDE.
Witnesses:
' GEO. W. Manns,
'l. B. '.lldosrrrm.A
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US112420A true US112420A (en) | 1871-03-07 |
Family
ID=2181887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US112420D Expired - Lifetime US112420A (en) | Improvement in steam-engine governors |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US112420A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435812A (en) * | 1967-05-16 | 1969-04-01 | Caterpillar Tractor Co | Engine governor for control at minimum and maximum speed levels |
-
0
- US US112420D patent/US112420A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435812A (en) * | 1967-05-16 | 1969-04-01 | Caterpillar Tractor Co | Engine governor for control at minimum and maximum speed levels |
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