US815779A - Valve-gear for explosion-engines. - Google Patents
Valve-gear for explosion-engines. Download PDFInfo
- Publication number
- US815779A US815779A US1904226178A US815779A US 815779 A US815779 A US 815779A US 1904226178 A US1904226178 A US 1904226178A US 815779 A US815779 A US 815779A
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- US
- United States
- Prior art keywords
- valve
- exhaust
- valves
- inlet
- engines
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/28—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86919—Sequentially closing and opening alternately seating flow controllers
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87096—Valves with separate, correlated, actuators
- Y10T137/87121—Coaxial stems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
l .No. 815,779.
i Lo'UrsfPIERREALEXVANDRE ALrHoNsE BAILLEUL,'o1EjPAE1s FRANCE.
lALEX- ANDRE ALPHONSE BAILLEUL, constructor,I a citizen ofthe French Republic, residing at 37 Rue dVAmsterdarn, Parls, France, have ine vented a certain new and useful Valve-Gear y `for lExplosi'on-Engines, ofwhichtheA following isa Jr'ull, clear, and exact description-,and
for which jletterskpatenthave been granted to me in Franca-f ated October y1, 1903', and
y in VGreat Britain, dated October 1, 1903. g
This invention Irelatesv to an eiqjlosion-en-y gine which works ion the four-stroke cycle and kcharacterized lby the Vfact that the"in` let-,valve and A the exhaust' val ve,` both- `inechanically operated, fare united at a I single point and occupy 'the place of only 'a single t l valve. *i This arrangement diminishes 'the'encumbrances or bulk` ofthe engine and allowsl of an exhaust-outletoflarge bore, which fla-- vors the attaining of high speeds.` 1
y A description of the invention is given hereinafter with reference tothe annexed drawf ings, in whichf- Figures 1f an 2 show this engine in two vertical section at right'angles onel to the i other on lines 1 1 and 2 2 of Fi ;3. Fig. 3 is apla'n .views Fig. 4 is a detai view relative to the operating ofthe double valve. Fig. 5
- f double valve.
is a vertical section on line-5 5 of Fig. "3 of only the upper'p'art of the engine. Figs. 6,
7 and 8 are detailviews,yon a larger scale,-
showingthe different stages of working ofthe The engine shown is of the'type-Which comprises a chamber inclosing the `crank-shaft and .the vfly-wheels. This type, commonly used forhigh-speed engines, fis shown, of cou'rse, only as an'example for the descrip-r the usual alf-speed shaft S, driven from the tion'oithe invention.;
A is the cylinder in which the piston B travels, )loined by a connecting-rod Cto the fly-whee s'D, which, with the shaft E, form the crank-shaft revolvingin the closed 'cas or chamber F; In the bottom orhead of the cylinderthere'is formed an opening limited by a seating G, in which is -seated the double `valve, inlet andexhaust. This portionfof the engine comprises two valves H vand I; The one, H, is an ordinary inlet-valve which 'entersinto the seat G to only such an extent, l considering the truncated cone-surface which .forrns'this seat, thatl it occupies but the part adjacent to the base.y "This valve H is fastv to a stem h; The valve I which ywilll be t 'i Slpecicationiof-Letters Patent. Application md sapiente' 27 1904. f serial No. 226,178.
1 Patented Maren 2o, 190e.
will'behereir'iaftery seen, the exhaust-valve 1s in reality formed ofthe two valves H Imov lg t0ge'hel',) iS composed of a cylindrical 6o i sleeve or casinggbellfmouthed at i. This. part lbears upon the truncated conical seat .G abovetheportionon whichiis seated the induction-valve H.' This sleevevalve can slide with slight Jrriction in "a bearing formed in; the :head of the cylinder and is provided in its lengthv with'openin'gs i which When-it is in a lstate of rest coincide with an annular openfing J, extending through thewall of its'cyylindrical bearing. This yopening J forms the outlet from the-pipey',= through which the gaseous mixturereaches the engine.- The exhaust-pip'eends in an annular space K and ortion L 3 o the sleeveevalve I. The valve I 1s fast to o ens around the seat G'above the a ksocket L, in which Iisguided the stem h of the inlet-valve H. A- spring M is;inter osed.v
between theupper part of this socket and.
freely around the stemfhf .Upon this socket 'termed the exhaust-valve, i(although, as,
the body. of the valve H. 3 Upon the top of the socket L rests-another socket N, fitting Nis secured a ring 0,Vwhich is connected thereto by a cotter P, passing through the stem h. "This cotter P connects in an uni changingmanner the/ring O and the stem h; 'i' 85.V
but its bearing in the socket N isfornied` by an oblong slot which rpermits, to thesocket N' Ya certain amount ofvertical movementindef pendently of the stem hf. The ring O is subl ject to the action of aspringQ, which bears* 'g on a plate R, which is ixedupon theheadof the cylinder and at its lower face serves'as an abutment fol1 the sleeve-'valve I. t
The working of thetwo'valves H and I is effected b two cams H and I keyed'upon rod H2 and bymeansot a ouble rocking lever I3 operates the sleeve N and by means of 'the latter the sleevevalve I.
The working of this engine `is as follows: Thecams H andI arearranged in such a roo i manner :as to, operate the valve'H and the u valve I as they would'operate two separate valves in a fourstroke engine. Induction is effected by the cam H, which by means of the rod H2 and the lever H3, acting upon the stem h, causes the openingI of the inlet-valve H. This movement takes place without acting. on the valve I, because the cotter P, fast to the stem h and to the rin O, can descend in the slot of the socket Ngwithout acting thereon, Fig. 7. By this movement the spring() is compressed, and the vrlatter will at the end of the operation bring back the inletvalve H vinto the closed position. During the opening of the valve H the spring M bears upon the head of the latter for the purpose of maintaining the valve I in its seat. The v alve I being immovable or motionless, the gas passing out from the opening J ofthe inlet-pipe passes through the openings t', the interior of the sleeve-valve I, and enters into the cylinder by passing through the opened valve H, Fig. 7. When the cam I acts, it causes, by means of the tube I2, the lever I3, and the socket N, the lowering of the sleevevalve I, which moves the valve H, with its stem h, the cotter P, and the ring O, compressing the sprin The two valves H and I `tltien form on y a single exhaust-valve, and the burned gases can enter the annular chamber K and from there the exhaust-pipe, Fig. 8. At the end of the operation of cam I the spring Q brings back into the closed position the two valves H and I, still held together. It will be noted that the sleevevalve I is concentric with the stem of the inlet-valve and that gas is admitted into the cylinder through the port afforded by the space between the ybell-mouth of the sleevevalve and the head of the inlet-valve while only the inlet-valve is open.
This arrangement of engine, in addition to the lessening of encumbrances which it provides, enables the construction of the cylinder to be simplified. It also provides a large opening for both the exhaust and the incoming 1Lgases, which is favorable to the attaining o hi h speeds. It also keeps the valves in goo condition, since they are alternately in contact with the hot exhaust-gases and the cold incoming gas.
Having thus described my invention, what I claim as such, and desire to secure by Letters'Patent, is
Valve-gear for explosion-engine, comprising inlet and exhaust valves, said valves being superposed and having a common seat, a sleeve for the exhaust-valve concentric with the stem ofthe inlet-valve, and means for working these valves whereby at the induction-stroke the inlet-valve opens alone and the gasv enters through the interior of the sleeve of the exhaust-valve, which at the time remains closed to the exhaust, and at the exhaust-stroke the two valves, held one against the other, move together, thereupon ex osing the exhaust-outlet.
n testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
LOUIS PIERRE ALEXANDRE GUsTAvE DUMONT, JOHN BAKER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1904226178 US815779A (en) | 1904-09-27 | 1904-09-27 | Valve-gear for explosion-engines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1904226178 US815779A (en) | 1904-09-27 | 1904-09-27 | Valve-gear for explosion-engines. |
Publications (1)
Publication Number | Publication Date |
---|---|
US815779A true US815779A (en) | 1906-03-20 |
Family
ID=2884261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1904226178 Expired - Lifetime US815779A (en) | 1904-09-27 | 1904-09-27 | Valve-gear for explosion-engines. |
Country Status (1)
Country | Link |
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US (1) | US815779A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2559079A (en) * | 1947-10-15 | 1951-07-03 | Casimir E Leja | Engine |
US2791992A (en) * | 1950-09-01 | 1957-05-14 | H H Robinson | Single poppet valve internal combustion engine |
-
1904
- 1904-09-27 US US1904226178 patent/US815779A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2559079A (en) * | 1947-10-15 | 1951-07-03 | Casimir E Leja | Engine |
US2791992A (en) * | 1950-09-01 | 1957-05-14 | H H Robinson | Single poppet valve internal combustion engine |
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