US168678A - William mont stoem - Google Patents
William mont stoem Download PDFInfo
- Publication number
- US168678A US168678A US168678DA US168678A US 168678 A US168678 A US 168678A US 168678D A US168678D A US 168678DA US 168678 A US168678 A US 168678A
- Authority
- US
- United States
- Prior art keywords
- steam
- air
- valve
- jets
- william
- 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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- 230000005611 electricity Effects 0.000 description 14
- 230000000875 corresponding Effects 0.000 description 12
- 230000003466 anti-cipated Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000001264 neutralization Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 210000003128 Head Anatomy 0.000 description 2
- 210000003141 Lower Extremity Anatomy 0.000 description 2
- 210000000214 Mouth Anatomy 0.000 description 2
- 241000201940 Oena Species 0.000 description 2
- 210000003660 Reticulum Anatomy 0.000 description 2
- 210000001364 Upper Extremity Anatomy 0.000 description 2
- 239000005347 annealed glass Substances 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/466—Arrangements of nozzles with a plurality of nozzles arranged in parallel
Definitions
- PETERS PHDTO-LITHOGRAFNER. WASHINGTON, D C.
- A. represent a portion of the ordinary steam -pipe communicating with the valvechest ofa steam-engine, but having interposed along with my device, and, as I may say. constituting a part of the latter, a gridiron slide-valve, b 12, having four valve-bars and three openings, corresponding with openings 1) b b in its seat beneath.
- the valve is shown open, and so constructed and so operated by the engine as to open and close again by a movement in one direction, to supply steam for one stroke of the engine, and similarly open and close on being moved in the opposite direction, to admit and cut oft steam, supplying the corresponding opposite stroke of the piston, all as will be understood.
- the steam on passing through the ports b,
- I enters an expanded circular chamber or bonnet, 0, from which it passes in jets through cone-like apertures G in a circular metal plate or disk, D.
- the steamjets, in issuing from apertures 0, pass with great velocity across the inclosed space 6, and through corresponding apertures 90 or (of the form of the oena contractor of Newton) in another circular plate, or rather ring-disk, F-a plan view of the upper face of which and the arrangement of its apertures is shown by Fig. 3.
- F is tightly seated upon a globular-double cup, one cup within another, with a space, G, between them, into which the steam enters and diffuses after passing through F.
- Through F is a circular opening, as large, or nearly so, as the top of the inner cup g.
- This opening is shown also by g, Fig. 3.
- a light disk-valve Within the space 6, between D and F, is a light disk-valve, 0, closing the opening 9 over the top of the inner cup 9.
- the action of the steam-jets draws the air from c, projecting it through the apertures .70 into the mixing-space G.
- jets of steam issuing, at a high velocity, through apertures in different substances, classed as non-conductors of electricity, develop electricity of different degrees of intensity, and I may avail myself of such (non -conducting) material as shall develop in the jets electricity in that degree that shall be found by experience to produce the best result in' the following relation:
- the electricity of each jet
- Disk F I propose to make, as a whole, of
- Disk D is electricallyinsulated from O by a packing- "double'cups.
- the facing of the air-valve e is of similar material to insulate it from F,
- the action of the jets will be more eflicient when an engine is running at high speed in lieu of a low one, as the resistance to their entrance into G is more "rapidly relieved, as will be understood.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sliding Valves (AREA)
Description
w. moursru'nm, Air-Injectors for Aern -steam'Engines. N0.l68 .678.
Patented Oct. 11, 187".
N. PETERS. PHDTO-LITHOGRAFNER. WASHINGTON, D C.
UNITED "STATES PATENT, QFFIoE- WILLIAM MONT STORM, OF NEW YORK, N. Y., ASSIGNOR TO HIMSELF AND 1 WILLIAM L. WILLIAMS, OF SAME PLACE.
IMPROVEMENT IN AlR-INJECTORS FOR AERO-STEAM ENGINES.
Specification forming part of Letters Patent No. 168,678, dated October 11, 1875; application filed April 24, 1874.
To all whom it may concern: Be it known that I, WILLIAM MONT STORM,
of the city and State of New York, have invented a certain apparatus, which I call an Air-Injector, for use with aero-steam enreceiving-vessel, (a portion of which is shown,)
which is, in turn, to be mounted upon and communicate with the valve-chest of the given engine.
Let A. represent a portion of the ordinary steam -pipe communicating with the valvechest ofa steam-engine, but having interposed along with my device, and, as I may say. constituting a part of the latter, a gridiron slide-valve, b 12, having four valve-bars and three openings, corresponding with openings 1) b b in its seat beneath.
The valve is shown open, and so constructed and so operated by the engine as to open and close again by a movement in one direction, to supply steam for one stroke of the engine, and similarly open and close on being moved in the opposite direction, to admit and cut oft steam, supplying the corresponding opposite stroke of the piston, all as will be understood. The steam, on passing through the ports b,
I enters an expanded circular chamber or bonnet, 0, from which it passes in jets through cone-like apertures G in a circular metal plate or disk, D. The steamjets, in issuing from apertures 0, pass with great velocity across the inclosed space 6, and through corresponding apertures 90 or (of the form of the oena contractor of Newton) in another circular plate, or rather ring-disk, F-a plan view of the upper face of which and the arrangement of its apertures is shown by Fig. 3. F is tightly seated upon a globular-double cup, one cup within another, with a space, G, between them, into which the steam enters and diffuses after passing through F. Through F is a circular opening, as large, or nearly so, as the top of the inner cup g. This opening is shown also by g, Fig. 3. Within the space 6, between D and F, isa light disk-valve, 0, closing the opening 9 over the top of the inner cup 9. Communicating with the inner cup, and extending across the space G, and out through the outer cup on each side, is a large pipe or conduit, H. (See Figs. 1 and 2, Fig. 2 being a plan view of the so-called double cupi) It may be scarcely necessary to say that U D Fand the double cup are tightly bolted together, with packing between. The action of the steam-jets (by the known laws affecting the confluence of currents) draws the air from c, projecting it through the apertures .70 into the mixing-space G. The space e is thus being exhausted, and.e is lifted by the greater outside pressure, and a supply of air to e-thus flows in while the jets are flowing, and as the cut-off b closes, the air-valve e closes also, preventing the escape of steam outward, as will be understood.
As the friction of steam passing through contracted. apertures tends to loss by condensation, particularly if the apertures are through a good conductor of heat and electricity, I make each aperture 0 through a non-conducting bushing let into the plate D, as shown; but, besides the negative advantage of thus preventing loss, I attain an important positive advantage by the use of the non-conducting bushings, as about to be explained.
As evinced in the hydro-electric machine, jets of steam issuing, at a high velocity, through apertures in different substances, classed as non-conductors of electricity, develop electricity of different degrees of intensity, and I may avail myself of such (non -conducting) material as shall develop in the jets electricity in that degree that shall be found by experience to produce the best result in' the following relation: The electricity of each jet,
will act upon the surrounding air by induction, drawing it forcibly toward it, (and, perhaps, into it to a certain extent,) or, as it were, forming of it continuously a sheath, passing with it through the apertures 51: into G. ,Thus more air will be injected into the latter than if the jets were electrically neutral.
Disk F I propose to make, as a whole, of
annealed glass; but if of metal, then the apertures ar should also be through bushings of non-conducting material, and probably of a substance as nearly neutral as may be, in regard to the developing electricity by the passage of the given jet through it. Disk D is electricallyinsulated from O by a packing- "double'cups. The facing of the air-valve e is of similar material to insulate it from F,
--and perhaps it would be well if the stem of the valve'worked in a non-conducting bushing in D, or that the stem of the valve was set into anon-conducting hub in the valve itself. The bolt-holes through the flanges of O D F, the double cup, and the ring D are Fall bushed with a non-conducting material, and the clamping-bolts are to have non-conducting-washers under their heads and nuts,
to retain the insulation of the parts from each other, all as will be understood.
'The'object of these insulations is to prevent the dispersion from the disks D and F of the electricity with which they may become charged from the jets, despite of the nonconducting bushings, for this dispersion would be a corresponding tax and loss of expansive energy ot'the steam.
Other things equal, the action of the jets will be more eflicient when an engine is running at high speed in lieu of a low one, as the resistance to their entrance into G is more "rapidly relieved, as will be understood.
Again, as the best result is obtained from -combined air and steam by working it on the expansion principlecutting off, say, at onefourth of the strokeand as, at this point, the piston will not have attained its maximum velocity, and as its velocity is less and less back to the dead-point, now, to the end that the jets may flow with full force as the valve 1) is suddenly opened, and as the piston is --still at the dead-point, I employ the receiving-chamber I-say of one-fourth the contents of the cylinder-into which the admixed air and steam may flow, relieving the jets from comparatively great resistance till the piston has acquired some speed, and is with corresponding rapidity making space in the cylinder to receive the admixed air and steam, as will be understood.
Though .valve 1) may close-early in the stroke of the piston, the
' chamber I remains open to the cylinder till the end of the stroke; therefore the pressure in the former, as valve 1) opens at the commencement of the ensuing stroke, will be at a minimum, as compared to the pressure in the steam-pipe and boiler, and the resistance to the flow of the jets will be at a corresponding minimum. It would probably be of advantage if the receiver I were electrically insulated from the cylinder or main valve-chest,
I have anticipated working valve b so that it should open and close several times for each stroke of the piston, thus making the jets intermittent till finally stopped for the remainder of the stroke, the ideabeing that a greater plenum of air would fill space 0 during the intermission of the jets; but the advantage of this isdoubtful.
I should also remark that the air-injector would act even if valve b: were dispensed with, and the flow of steam through D were continuous, or, at least, until stopped, perhaps, by a cutoff between the apparatus and the cylinder; but the action of the air-injector in such case would not be nearly so efficient. I may also apply like remarks in regard to plate F, the openings through which, in lieu of being a series of jet-receiving apertures, might be a continuous opening, and this would be partially tantamount to dispensing with it altoget-her; but the efficiency of the air-injector.
- would be very greatly reduced.
Should it be found in any given case that as valve I) closed any portion ot'steam escaped through the air-valve 0 while it was closing, light disk check-valves could be applied at the entrances of the air-conduits H, whose mouths could be enlarged, so as not to obstruct free entrance of the air.
I have anticipated that a greater power at like cost might be attained by supplying cup g with air moderately compressed, which may be done, among other ways,-by making conduits H communicate with a receiver, into which air is compressed either by a donkeypump, or, say, a detached pump driven by the engine.
I have further anticipated reheating the admixed air and steam in the receiver I by means, say, of a gridiron coil of tubing within it, such coil communicating, by its lower extremity, with the water in the boiler, and by its upper extremity with the steam-space of the boiler, or with a superheater communicating with it.
I claim- The combination of disks D and F, provided 1 with coincident orifices O and x, the ring D,
which forms the space 0, and the check-valve, substantially as described.
I WM. MONT STORM. Witnesses:
OHAs. 0. Lone, MAURICE SANDS.
Publications (1)
Publication Number | Publication Date |
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US168678A true US168678A (en) | 1875-10-11 |
Family
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US168678D Expired - Lifetime US168678A (en) | William mont stoem |
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