US886539A - Explosion-motor. - Google Patents

Description

No.886,539. PATENTED MAY 5, 1908. l

A. PEUGEOTK, T. HUBER & H. DE LOSTALOT.

EXPLOSION MOTOR.

APPLICATION FILED Mus. 1907.

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v PATENTED MAY 5, 1908. A. PEUGEOT, T. HUBER & H, DE LOSTALOT. EXPLOSION MOTOR.

APPLICATION FILED MAY 6. 1907.

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ARMAND PEUGEOTONY HUBER, AND HENRI DE LOSTALOT, 0F BILLANCOURT, FRANCE.

Application filed May G, 1907. Serial No.v 372,259.

Specification of Letters Patent.

EXPLOSION-IVIOTOR.'

Patented May 5, 190s.A

To all whom it may concern:

Be it known that we, ARMAND PEUGET,

tional lightness is secured to the motor, to-

gether with increased action.

The improved motor is preferably provided with a suction valve of particular construction, wliicli allows the weight of the whole to be lessened still further in comparison with the weight of known motors.

On the annexed drawing Figure 1 is a longitudinal section of the motor, through the axis of the cylinder. Fig. 2 is a view from below of the cylinder showing the arrangement of the sliding shutter. Fig. 3 is a section and Figs. 4 and 5 elevations with parts broken away showing the construction of suction valve.

In the improved motor, the hollow piston A as well as the case A which lengthens the same are constructed of aluminium or of a light aluminuim alloy and the bottom of the cylinder at the side of the connecting rod B, instead of o ening as usual into a crank inclosing cham er is closed immediately above the point where the piston stops at its lowest position by a sliding shutter which assures the tight closing of the cylinder while allowing the oscillating connecting rod B to work freely.

i This sliding shutter consists of a thin, sliding plate f of a convenient length, carrying centrally a socket joint g h, in order to allow the piston rod to pass through at the same time forming a joint round the same, this plate being moved by the lateral reciprocating movement of the connecting rod and sliding on the smooth upper surface of the cylinder bottom said bottom being attached and screwed on at l). Mortised grooves provided in the sides of the said cylinder form guides ,for the sliding plate in sucha manner as to close constantly in a tight manner the longitudinal opening c provided in thebottom of the cylinder. By this means the oscillating connecting rod can reciprocate freely.

The action is as follows: When the piston A A arrives at the bottom of its stroke after an explosion osition of Fig. 1) the burned gases escape a ter expansion through the orifice y' pierced in the side of the cylinder C; at the Vsame time the fresh explosive gases compressed between the piston and the bottom with sliding shutter escape by the conduit lc, follow round the piston and partition guide Z and accumulate towards the outletI operating to drive out the burned gases. Continuing its course, the piston, in'rising, shuts ofi` the two escape and admission orifices y' and le provided in the cylinder and compresses towards the outlet the fresh gases, which will explode near the dead point ,the other face of the pistonl acting as a suction pump draws in through the pipe and admission valve either petrol, gas or other combustible 1products together with air, the air and gas eing either previously mixed in a carbureter, or separate. The admission valve closed the pipe at the moment of the subsequent comression necessary for the transport of the resh gases towards the outlet.

In its descent the piston receives the mo tive force from the explosion and compresses by its other face as has been above described.

By the combined use of a piston of alumin4 l` ium or alloy of aluminium and of the sliding shutter of the cylinder, the weight of the motor is considerably lessened the aluminium weighing much less than the ordinary casting and the crank chambers or an additional pump by which the aspiration is done being dispensed with. Also, the vibrations due to the inertia of the iston are considerably lessened. Besides t e above the following im ortarit results are obtained.

uminium, even in a state of alloy, conducts heat much better than the ordinary casting. The upper face of the piston in motors of two-stroke cycle becomes greatly heated owing to the flow of escaping gases g in our invention this heat spreads very quickly in the chamber A- of the iston said piston acting as a large cooling p ate thereto this late which plunges in the fresh gases comin between the piston and the bottom .with siding shutter, gives itsheat to these gases and heats them before their comfpression, by which means the -working an the power of the motor is improved.

The lightness and the efficient workingof the rmotor can be further increased by the use of the admission valve represented in Fig. 1 and in Figs. 3, 4 and 5. This valve is formed of a reversed V late m, provided with large openings n wh-icli) oscillation of very thin steel plates 0, flexible round their points of connection. These thin steel plates have over the ordinary valves of explosion motors the advantage of extraordinary lightness of weight (3 to 4 grams to a cylinder for a motor of 10 to 15 horse power); on account of this lightness of weight and their elasticity the improved valve acts'in perfect accordance with the sucking of the motor, which sensibly increases the power of the same especially for rapid rotatlon of 1500 revolutions or more at which speed inertia of the effect.

Our improved valves with plates of a thickness of' a tenth and a half to three tenths of millimeter, re-act very well against pressures of 8 to 10 kilos, without permanent deformation. They have further the advantage of conducting the gases without serious power loss.

are closed or opened by the valve would have considerable Having now described our invention, what vwe claim as new and desire to secure by Letters Patent is:

An explosion motor of two-stroke cycle comprising in combination a c linder C, a widened portion formed at' the ower end of said cylinder, an o ening formed in the widened portion of t e cylinder, an admission o ening 7c formed in the middle-part of the cy inder, a conduit connecting the said opening, a third opening j formed in the cylinder for the escape of the gases, a sliding cover b f closing the cylinder immediately above the point where the piston stops, a hollow piston A, an extension A formed on the piston adapted to be surrounded and consequently cooled by the admission gases,

and an admission valve arranged just oppo site the o ening formed in the widened porf tion of t e cylinder, substantially as described and for the purpose set forth.

In testimony whereof we have signed our names to this speciiication in the presence of two subscribing witnesses.

ARMAND PEUGEOT. TONY HUBER. HENRI DE LOSTALOT.

Witnesses: ANTOINE LAvDIo,

DEAN B. MAsoN.

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