|Publication number||US1170918 A|
|Publication date||Feb 8, 1916|
|Filing date||Jun 3, 1914|
|Priority date||Jun 3, 1914|
|Publication number||US 1170918 A, US 1170918A, US-A-1170918, US1170918 A, US1170918A|
|Original Assignee||Charles Lundy|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (12), Classifications (6)|
|External Links: USPTO, USPTO Assignment, Espacenet|
APPLICATION FILED JUNE 3,1914.
' 1,170,918. Patented Feb. 8, 1916.
' 2 SHEETS- SHEEF1- WITNESSES. //VVE/VTOR I 3 x 6 By ATTORNEKS C. LUNDYL VALVE STRUCTURE.
APPLICATION FILED JUNE 31 1914.
Patented Feb. 8, 1916.
2 SHEETS-SHEET 2.'
a I W S- WWZA CHARLES LUNDY, or RENO, NEVADA.
Specification of Letters Patent.
Patented Feb. 8, 1916.
Application filed June a, 1914. Serial No. 842,622.
To all whom it may concern:
Be t known that I, CHARLES LUNDY, a
. citizen of the-United State s, residing at Reno, in the county of \Vashoe and State of Nevada, have invented certain newand useful Improvements in Valve Structures, of which the following is a specification.
The present invention-relates toimprovements in internal combustion engine's and relates more particularly to that type of engine wherein the puppet valve is dis-.
pensed with, and has for its principal objects to provide a construction wherein there is employed a single valve which is adapted for admitting-the explosive. mixture to the cylinder for providing a com-' munication between the igniting means and theinterior of. the cylinder, and for controlcompanying drawings, and pointed'out in- .the claims hereto appended it being understood that various changes in the form, pro.- portion, size and minor details of construction, within the scope of the appended;
claims may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention. To more fully comprehend the invention, referencshould be had to the accompanying sheets of drawings, whereinc Figure 1 is a view in vertical section of my gas'engine. Fig. '2 is a transverse sectional view taken onv line 2-2 cf'Fig. 1. F ig. 3 is a view in plan of the rings positioned between the valve and-valve casing. Referring more particularly to the several views of the drawing, wherein like characters of reference designate corresponding parts throughout the several views1 is the crank case which'a'lso formsthe beihaiu-l 2 is the cylinder. I have'here shown but one cylinder though it Will be readily understood that the engine may comprise a plurality of cylinders. The cylinder is rovolubly locked to the bed by any. suitable connection which will enable it to its axis.
resist end-thrust due to explosion and Will adapt it for rotation about its axis. The connection which I' deem the best and which I have illustrated is constructed as follows: The top of the crank case or bed 1 is formed or is provided with an annular flange or seat In the base 'of the seat is an annular bearing ring 4 in the upper surface of which is a ball-race. The lower end of the cylinderis fitted in the seat 3 and said end is provided with or has secured to it a bearing collar 5, which is here shown as screwed upon it, said collar having in its lower facea ball-race, Balls 6 lie in the opposing race-' Ways of the ring 1 and collar and form the support for the cylinder. In the upper face of the bearing collar 5 is a; ball-race.
Screwed into the top of the seat 3 is an annular nut 7 in the lower face of which is a ball-race. Balls 8 lie. in the opposing races of the collar 5 and the nut 7 and form the upper or lock connection for the cylinder. Thus between the two sets of ball bearings the cylinder Y is locked against end thrust and is adapted for free rotation on I Suitable means driven by the engine are provided to effect this rotation.
' These in their best form are here shown as follows: 9 is the piston mounted in the cylinder, and 10 is its connecting rod. This rod passes down intoithe bed or crank case 1 and is connected with the crank 11 of the crank shaft 12,-which ismounted in bear- 'ings 13 in the bed and carries the fly wheel 14. 15 is a countershaft mounted in suitable bearings 16 and 17, as shown in Fig. 2, and said shaft carries a worm 18 meshing with a worm gear 19 which in the present case is shown as formed integral with the bearing collar 5-, on the cylinder -2. The worm 18 is best inclosed in a suitable housing 20 formed with the seat 3, as seen in Fig. 2. Upon the end of the counter-shaft 18 a gear 21 housed in an extension 22 of the crankcase or bed ,1. iVith this gear 21 engages a gear 23 on the crank shaft 12.; It will be readily understood by those skilled in the art thatthese power transmitting connections are properly proportioned to efiect the timely rotation of the cylinder as will presently appear.
Q-L titted withipacking rings between its outer surface and the cylinder wall. The top of the shell 24 is closed and its open bottom has screwed into it a bearing ring 26. Ball bearings 27 lie between the upper end of the piston and the closed top of the shell, and other ball bearings 28 are disposed between the base of the piston and the bearing ring 26 of the shell. It will now be seen that the shell Q-l reciprocates with the piston-and rotateswith the cylinder and that the connection is gas tight and anti-frictional. v
- An annular valve casing 29 is stationarily mounted above the cylinder, on the stay rods 30 which extend through ears projected from the outer surface of said casing, and said casing is provided respectivi-rly with the intake port 31, the 'exhaustport and the aperture 33 in which is mounted a suitable spark plug 34. The upper portion of the cylinder is formed with a central arranged opening in which is threaded to rotate with the cylinder a suitable valve 35 formed with an L-shaped port 36therein which opens at one end in'the annular side wall 37 of the valve which is in frictional contact with the inner surface of the casing :29, and at its opposite end opens into the uppercentral portion of the cylinder. 7 i
The valve is formed on its interior with the airspace 39 for the circulation of air around the port 36, the air contacting with the heat radiating vanes 40 and 41, one connecting the top wall of the port 36 with the annular sidewall 37 and the other formed on the inner surface ofthe side wall. On the rotation of the cylinder in its cycle, the valve is'timely rotated to present the port 36 first to the intake port 31, then to the ignition opening 33 and lastly to the exhaust port 32.
To maintain a tight joint between the in ner surface of the wall of the-valve casing and the outer surface of the wall of the valve, the Valve is formed with a plurality of annular channels in its surface, one adjacent each upper and loweredge, and one at its central portion, and'in the upper and .lower channels are mounted=the interlockvided with alined openings 45, which register withoneend of the L-shaped port 36. The rings taper from their centertoward theirsplit ends, and ,the. split ends thereof arejpreferablyarranged diametrically opposite each other, as in'FigQ 3 of the drawings, to prevent a leakage between the meeting ends thereof. To insure a registering of the openings 45 with the upper end of the L-shaped port 36, the wall of the valve carries an outwardly projecting pin 37 which extends through the body of the rings and locks the. same to rotate with the valve.
lt will be apparent that by providing the 'ringgbetween the valve and casing, that the compression or products of combustion will be prevented from escaping from the cylinder except at such times as the port of the valve is in register with certain ports in the valve asing.
I claim 1. In a valve structure for gas engines, the combination with a cylinder of a hollow rotatably mounted valve associated there with and formed with a channel adapted for communication with the interior of the cylinder. a series of cooling vanes arranged within the hollow interior of the valve, valve casing surrounding said valve and provided with a plurality of ports. means for operating said valve to present the port therein successively to the ports in said casing to provide a communication between the interior of the said cylinder and the ports,
a packing ring carried by the rotating valve and interposed between the valve and the valve casing and rotatable with the valve,
' the'packing ring being rigidly attached to the valve and provided with an opening therethrough intermediate its edges for registering with the channel in the valve.
2. In a valve structure for gas engines, the combination with a rotary cylinder formed with a port in its head, with a hollow rotary valve carried by the cylinder and having a substantially L-shaped channel therein communicating at its lower end with the port in said cylinder, a series of spaced outstanding cooling vanes arranged within the hollow interior portion of the valve, a valve casing surrounding said valve and provided with a plurality of ports, means for rotating the cylinder to successively present the upper end. of said channel to "the said ports in the valve casing. a packing ring of substantially greater width than the valveinterposed between the valve and valve casing. andsecurcd thereto by means of a fastening lug, said packing ring being provided with a port intermediate its edges registering with the channel in the valve: and a relatively narrow packing ring seated within the valve on eachside of the said ported packing ring.
Intest -imony whereof I have signed my of two subscribing witnesses.
. CHARLES LUNDY.
'Witnesses HARRY A. TOTTEN. D. B. RICHARDS.
name tothisspecification in the presence
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|U.S. Classification||123/43.00A, 123/41.69, 123/190.12, 123/41.85, 123/80.00C|