US52298A - Improvement in governors for steam-engines - Google Patents

Description

A. P.'& B. RLANTERMAN. GOVERNOR FOR STEAM ENGINES.

N .52',298. I v Patented Jan.30,1866.

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UNITED STATES PATE T OFFICE.

A. P. LANTERMAN AND B. F. LANTERMAN, or PRAIRIE oiTY,-1LLINoIs.

IMPROVEMENT IN GOVERNORS FOR STEAM-ENGINES.

Specification forming part of Letters Patent No. 52,29s dated January 30, 1866.,

To all 'zrhom'tt may concern:

Be it known that we, ALVIN l.,LANTER' MAN and BENJAMIN F. LANTERMAN, of Prairie City, in the county of McDonough and State of Illinois, have invented certain new and useful Improvements in Governors for Steam Engines; and we hereby declare that the -following isa full, clear, and exact description thereof, reference being had to the accompanying drawing, making part of this specification, and to the letters of reference marked thereon.

The drawing represents a side elevation of ourimproved apparatus, a portion being shown in section for the purpose of showing its internal construction.

The nature of our invention consists in a novel construction and combination of devices for operating the valve connected with the governor, for the purpose of regulating the admission of steam to the cylinder and automatically shutting off the steam, either partially or wholly,in case of accident to the engine or gearing.

To enable others skilled in the art to construct and use our invention, we will proceed to describe it.

A represents the frame wbichsupports the governor and the gearing by which motion is imparted to it; Upon this frame A is mounted a tubular post, D, upon the top of which rests a revolving collar, E, the upper portion of this collar being fitted to receive and form a bearing for the central circular hub, L, of the oscillating arm B, the latter diaving a weight or ball, 1, attached at each end, as clearly shown in the drawing.

A tubular shaft, 0, is located withiuthe post I), and has its upper end screwed into the collar E, a bevel-gear wheel, F, being secured to its lower end within the frame" A, whereit gears into a similar wheel on the inner end of shaft E, the latter being driven by a belt working on pulley O secured to its opposite end, as shown.

Within the tubular shaft 0 is placed a stem,

'11, the upper end of which is'enlarged, and

within a longitudinal slot in the oscillating arm B, a pin, a, passing. through the center of the hub L and through the slot 6 of stem H, a pin,- g,-also passing through a hole in the arm Band the slot in arm I).

J represents a spiral spring coiled on the stem H, its lower end resting on the collar 01,-

as the stem is thus drawn down the armb,

pressing on the pin g, tends to tip the arm B-to a vertical position, this tendency being more or less counteracted by the centrifugal force of the balls I, according'to the speed of their revolution.

A clutch, X, is secured to the lower end of stem H by means of a swivel, so that the clutch may remain stationary and yet permit the stem H to rotate. A rod, 2',- having a screw cut on its upper portion, screws into the lower portion ofthe clutch X, its lower end being connected to the valve U underneath. A handwheel or handle, 1?, is secured to the rod '5 for operating it, and thus regulating the valve by opening-it more or less, as may be desired,-

while the engine is in motion, andindependently of the movements of the governor.

It will be observed that the slot 0 in the stem H is at least three times as long as the I port or opening 1' through which the steam enters the ports of the valve. By this means it will be seen that as the speed of the engine increases, and thereby causes the arm B to assume a horizontal position, the steam will be cut ofl'bythe lower portion of the valve U being drawn up opposite the port '1', and at In order to have a means-0t preventing the valve from closing entirely in cases where a too sudden stoppage of the enginemlght prove injurious, we pivot a lever, K, at f, in such a manner that its inner forked end shall inclose the clutch X, asshown. To the frame A is of steam to the engine.

2 sages secured a stud, N, through which a screw, M,

\vorks'in'line with the lever K, by which the-valve U will not entirely cutofi the flow By means of this 1e ver K the valve U may also be opened to admit steam to the cylinder for the purpose of starting the engine.

By this construction and combination of devices we are enabled to accomplish these three objects, namely: to regulate the supply of steam by the operation of the governor proper,

- so that incase of accident it shell out off the lever v flow of steam wholly or partially, as may be desired.

Having thus described our invention, what we claim is- 1. The combination of the oscillating arm B, stem H, constructed asshown, and spring J, when arranged to operate as and for the purpose herein set forth. 7

2. The combination of the stem H, valve U, and the adjusting valve-stem 0', arranged to operate as described.

3. The lever K connected to the valve-stem, substantially as shown, in combination with the ,adjusting-screw M, arranged and operating as and for the purposes set forth.

A. P. LANTERMAN.

Witnesses: ,B. F. LANTERMAN.

' W. G. Donen,

P. TEL DODGE.

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