US1182847A - Internal-combustion engine. - Google Patents

Description

w. A. JEX. 4

' INTERNAL COMBUSTIONENGINE.

APPIFICATION FILED JUNE 5. I915.

Patented May 9,1916;

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WITNESSES:

INTERNALCOMBUST IL'ON ENGINE.

Specification of Letters Patent.

Patented May 9. 15M 6.

Application filedJune 5, 1915. Serial No. 32,325.

To all whom it may concern Be it known that I, WILLIAM A. Jnx, a. citizen of the United States, res ding at No. 88 Adams street, in the city of Rochester, county of Monroe, have invented certain new and useful Improvements in Internal-Combustion Engines, of which the following is a specification.

My invention relates to improvements in a rotary valve for internal combustion engines, especially in the means for mounting same, sealing same against the escape of the gases and in the provision for the intake of the fuel, and for the exhaust of the burned gases through external channels in the periphery of a rotary valve opening through opposite ends, respectively, of said valve; and has for its objects to simplify the construction of such valves and partiou-- larly to make said valve gas tight, and to provide an automatic adjustment to make good for the expansion ofthe valve; further my improved valve is so mounted thatits weight is not bourne by the valve chamber walls, but is mounted on a shaft and is carried in bearings adjacent the ends of the valve.

According to the present invention 1 provide a cylinder having a closed and an open end with a port for induction and exhaust and a reciprocating piston operating therein.

Mounted on the closed end of the cylinder,

I provide a valve chamber, containing a cylindrical rotatlng hollow valve, with external channels in its walls. mountedon a shaft adapted to cut off and establish communication between the port in the cylinder and the ports in the manifolds at the proper times.

lVith these ends in view. the invention consists in certain features of novelty in the construction. combination and arrangement of parts hereinafter described, and particularly pointed out in the claims following the description. reference being bad to the accompanying drawings. forming a part of this specification. wherein:

Figure 1 represents :a longitudinal section through the head of a four cylinder combustion engine built up from units such as are shown in Fig. 2 showing the arrangement of the intake and exhaust channels in the periphery of the valve cylinders. Fig. 2 represents a longitudinal section at right angles to Fig. 1 through the head of one unit of an and State of New York,

internal combustion engine fitted with a rotary valve constructed and arranged according to this invention, showing the means for sealing the valve against the escape of the gases. Fig. 3 is a similar view to Fig. 2 showing how the manifolds communicate with the valves. Fig. 4 shows the details of the sealing device. 10 surrounding the cylinder port and lower part of the rotary valve.

Throughout the drawings like parts are designated by similar reference characters.

Referring to the drawings in Fig. l the valve chamber 2 is shown to be arranged on the top of the cylinders C C C, C", re-

spectively having operatively located therein the rotary valve cylinders 3, mounted on the valve shaft 4, in bearings adjacent its ends, the fuel inlet channel in the valve is shown at 5., while the channel for the exhaust in the valve is shown at'G.

The numeral 3 designates my improved rotary valve the same having a hollow body which is cylindrical with closed ends, an exhaust channel 6. is formed in the periphery of the valve, and communicates with the cylinder through the port 7, atone end and with the exhaust manifold 8, at the other end. An intake channel 5, is formed in the periphery of the valve and communicates with the cylinder through the port '7, at one end and the intake manifold 9, at the other end as the valve rotates, the intake and exhaust channels opening upon the opposite ends of the valve shell.

To provide for the natural expansion of the periphery of the rotary valve which occurs when heated the valve is mounted on a shaft in bearings adjacent its ends and is not in contact with the walls of the valve chamber in which it rotates, it'is therefore necessary to provide a sealing means between the circumference of said valve and the valve chamber surrounding the port 7. This is accomplished by providing a sealing device as shownin Fig. 4 which is made a sliding fit around the cylinder port 7. surrounds the lower half of the valve body as shown in Fig. 2 and is pressed against said valve by the springs shown at 11. 11. This sealing device 10 has the double object. firstly to assure gas tightness when the valve is closed and to assure a gas tight passage between the manifolds and the cylinder )ort when the valve is partially open, secondly to allow an automaticadjustment to make good for the expansion and contractionof'the valve 3.

- between the port-7, and thejdevice lo; to (invalve being fed through the intake manifold 9a,

The sealing vpart 10 v-fbeing pthu's. spring e pressed 1 will constantly}. maintain co lt jt 3 with the outer faceofthe rotary,valve and '.thereby"cut oflithe escape-of any gas from? "thecylinder andalso pr'event the entrance into the cylinder ofthe'oil used to lubricate the rotary valve. 1 Referring to'the drawings it'will be no-l ticed that I providethe packing rings 12,

sure gas tightness. The operation':} -The T'explosive mixture the proper moments the chaim el fi in the communicates w'ith'v the cylinder through the port 7 the piston v scends so as to draw in acharge, mean-while the valve rotates until the channel 5 cuts off communication between the cylinder port 7, and the intake manifold 9, the piston then ascends and compresses the charge and-the firing occurs, this causes the piston to descend, next the other channel 6 establishes communication between the exhaust manifold 8, andithe cylinder port 7, and finally the piston ascends to force out the spent gases, thus completing a cycle of four strokes of the piston for every revolution of the valve.

The valve is driven by the sprocket wheel 13 mounted on the shaft 4, and its movements are therefore positively controlled,

any suitable means for lubricating said valve may be employed which is not necessary to describe.

The engine cylinder and the lower half of the valve casing arepreferably cast integral,

the upper half of the valve casing 14 forms the cover plate which when-removed exposes the valve for inspection or repair.

Having described my invention, What I claim is: a

1. Valve sealing mechanism for an internal combustion engine comprising in combination an engine cylinder having a port, an extension mounted on said port, a valve chafmber having a port adapted to communicate with the cylinder port, a valve arranged to register with the port in the cylinder and the port in the valve chamber simultaneously and a sealing block interposed between the engine, cylinder and the valve and which is made a sliding fit around the cylinder port extension whereby said block is maintained out of contact with the hot gases, saidblock being provided with extensions adapted to cover and seal the port in the valve when partially open, packing rings interposed between the Copies of this patent may be obtained for vsealing block and thej'port extension to in: -sure" gas tightness and means for pressing --and"maintaining said sealing block agalnst :the valve body.

2. In a combustionyengine comprising in combination an engine cylinder having a port; 'an extension mounted on said port, a valve casing formed around said port hav i-n inlet and exhaust passages and a rotary valve housed within said casing having a hollow cylindrical shelilclosed at each end with external channels iii its periphery open- I ing through opposite ends. respectively, of

said shell so located as tq'connect the inlet and exhaust-passages in the casing with the port in the cylinder at the proper times, said then ;de-', 'valve being mounted on a shaft in bearings" adjacent its ends the per gphery of the valve being out of contact with the port and a semi-cylindrical ,sealingjdevice interposed between the: head of the" engine cylinder and the rotary valve which is made a sliding fit around the cylinder p051? extension, whereby said sealing device ismaintained out of contact with the hot gases, packing rings interposed between the port extension and the sealing device to make the connection gas tight, said sealing device adapted to cover the half of the valve peripheryadjacent the cylinder port to provlde a gas tight channel when the valve is partially open and adapted to be spring pressed against the valve body to take up the expansion? and contraction of the valve and to prevent the escape of the fuel circumferentially and longitudinally substantially as shown and described.

3. In a combustion engine the combinationwith a series of cylinders having ports; a valve casing formed around said ports extending along said cylinders and a series of rotary valves housed within the valve casing said casing having fuel passageways adjacent the ends-.ofeach valve communicating with the ports in the cylinders, each valve comprising a hollow cylindrical shell mounted on a common valve shaft in bearings adjacent the ends of-each valve, said rotary valves having longitudinal external channels in their peripheries so located as to connect the fuel passageways inthe casing with the ports in the cylinders at the proper times and means for actuating said valves.

. In witness whereof I have hereto set my hand in the presence 'of two subscribing witnesses, this 4th day of June, 1915.

WM; A. JEX.

Witnesses:-'

G. MERKLINGER, C. A. DIEHL.

five cents each, by addressing the Commissioner of Patents, Washington, D' 0.

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