US1029677A - Rotary engine. - Google Patents

Description

Patented June 18, 1912.

2 SHEETS-SHEET 1.

C. GILSBAUH.

ROTARY ENGINE. APRLIOATION FILED JUNE 26, 1911.

1,029,62 7 Patented June 18, 1912.

2-SHEETS-SHEET'2.

IIIIP jroeaeta nnrrnn stares PATENT @ltl l il GLEli/IENS GILSBACH, or'BbnzErE R-HAMMER, NEAR G-nnvnnnnnon, onnraanr;

ROTARY ENGINE.

Specification of Letters Patent.

- 1 Application filed June 26, 1911. Serial No. 635,4:55.

of which the following is a specification.

The present invention relates to improvements in rotary engines of the kind fitted with two pistons of which one is rigidly connected to the rotating body of the engine and the other adjustable on the periphery thereof the latter piston being adjusted relative tov the former, during the movement of both, so as to form an abutment for" transmitting the power of the expanding motive fluid to the rotating; body, so as to expel the spent thud, so as to admit lrcsh l'luid and, in the case of gas engines, so as 20' to etlect a compression ot the gas mixture before the ignition thereot..

The 1nrent1on consists in the various details oi? construction and combination of parts ashereinafter described and claimed,

increased etliciency of the engine and complete utilization of .the motive power being aimed at.

In the accompanying drawings the invention is illustrated Figure 1 representing a central section of the improved rotary engine, and Fig. 2, a central sectional elevation and partial view 'of the same, with modifications. Fig. 3 is section along the shaft of the maehine. i

The rotary engine consists of a ring; shaped body part 7) rotating in the direction of the arrow and rigidly connected to the machine shaft by means of arms and a hub d. Said body 6 reaches into theicenter of the writing chamber 6 and is snugly fitted to the machine frame which consists of the rigid parts f and (a y The letter it indicates the border line hei tween the rotating and the rigid parts of invention will. be described only in con nection with each engine.

With therotating body Z) a piston Isis rigidly connected which is packed within the chamber 0 in the usual manner. in. said chamber a seen d piston of similar appearaizee is prove: d whieh' is loosely arranged therein and provided with a 3our nal bearing l to which an arm in is turnaliily connected, a spring n tenoltni to force the latter against the periphta'y ot' the rigid.

frame part g.- Said arm 221. may he provided 'with a roller at its extreme endso as'to reduce the friction on the periphery wall. To the ournal hearing I is furthermore connected a rod 0 which \fltl) its other end 15 jointed to a lever The latter is mounted on a shaft Q Which has its hearings in brackets 7' 1)1'O'l( iBtl i)ll the rotating body T he body Z ist provided. with a recess through which the lever p can enter the chamber (2. This recess has no detrimental. etteet, since only the space a between the pistons In and needed. for the actual working. The lever 71 and the elements con: neeted thereto are checked in one direction by an elastic abutment i which is also provided on the body I). At botlt'"sides of the 1naehine r-fra1ne rigid cam faces 1', 2, 3, and t are provided for the rollers '11 mounted on the free ends of levers w, the latter being rigidly connected to opposite ends-of the shaft f]. :r is the inlet-port, and 2' the exhaust-port. The ignition of the n1i.\'- titre takes place at 1 Somewhat to the rear of the igiiitirigt osit'ion recesses a are to form abutments for the tree end of the arm m Tlhemm/Zus operand i is as follows: in the position shown in full in Fig. l, the gas mix ture is just being admitted into the space 8 between the pistons is and 1 rotates, as already-noticed, in the direction of the arrow and carri with it the piston i and the shaft 9 as well as the levers con nected to these elements. As the cleme ts move away from the po' on indicated, the roller o will soon rpn up agaii'ist the camface' 1 and be deflected by the latter so as to turnthe lever in and with it the shaft 4; and the lever 77. p is transmitted by the rod 0 to the piston i which is tl'iereby caused to approacl the piston so as to diminish the space a and com press the gas-mixture inclosed in the latter. In the position shown dotted in l, the

roller n has reached the summit of the ltatentetl tltnne t a. ttllffl;

The body b- The movement of the lever I totfit t compression. At this moment the igniting position g has also been reaehedby the space a so that an ignition of the gas-mixture takes place. Thesudden' increase in the gas volume following upon such ignitioncauses the pistons to-be forced apart. Return-movementof the piston c is prevented by the arm at which is retained in one of the recesses 11-, and the whole impelling power of the expanding gases will therefore be applied to the piston k so as to urgeit forward togethcr with the body I), the piston 1' remain ing stationary while the roller 1) travels down along the cam-face 4. \Vhen the roller v reaches the cam-face 2 another approach of the pistons is effected this causing the spent gases to be expelled from the space throughthe exhaust port 2. Having passed the summit of the cam-face 2', the roller '1: is guided between the cam-faces 3 and 8 so as to effect a forcible separation of the, piston and create a vacuum between them which, upon. their arrival at the inletport :0, ca uses a fresh supply of gas mixture to enter the space 8.

It is obvious that the arrangement may be doubled in which case the body 5 will be properly balanced and one-sided action of the centrifugal force prevented.

It is also obvious thatthe arm m and the recesses u may be dispensed with since the piston i could be supported by means of the rod 0 and the levers p and'w against the cam-'face 4. In this case it may be advisable, in order to relieve the shock of the cXplo sion, to adapt the cam-face 4. to yield. Such an arraigement is indicated-by dotted lines in Figi] and shown more clearly in Fig. 2 where the outer part 5 of the cam element is adapted to turn in one direction about a' pivot i. A strong spring 6 tends to hold the part 5 in its normal position and produces the desired resiliency of the cam-face at.

If the arrangement is tohbe applied to steam engines, the cam-faces are adapted to bring the pistons in close proximity at the inlet-port and to retain the piston 2' in this position to utilize the expansion of the steam.

In the construction shown in Fig. I the part a may be extended to form a complete can'i-groove together witnthe cam- faces 1, 2, Zand 4.

1. in a rotary engine of the character described, the combination with a rotatable body carrying one rigid and one adjustable piston, of a stationary ,frame forming, to-

rollers so to control the position of the adjustable piston relative to the rigid one during the movement of the rotatable body,

the adjustable piston is retracted from the rigid one forthe admission of the motive fluid, then approached thereto for the compression of such fluid, then held stationary for transmitting the energy of the expanding fluid to the'rotating bodygand finally reapproached thereto for the expulsion of the spent fluid, substantially as set forth.

:2. In a rotary engine of the character described, the combination with a rotatable body carrying one rigid and one adjustable piston, of a stationary frame forming, together with the body, a ring-shaped Working space for said pistons, a shaft rotatably held by said body, a lever.connectcd to said shaft so as to project, through a-slot in the body, into the working space, a rod pivoted to the free end of the lever and to the adjustable piston, levers connected to the ends of said shaft,- rollers on the ends of the latter levers, and cam elements for guiding said rollers so as-to control the position of the adjustable piston relative to the rigid one during the movement of the rotatable body, the cam elements being so constructed that the adjustable piston is retracted from the rigid one for admitting the motive fluid between them, then approached thereto for the compression of such fluid, then held stationary for transmitting the energy of-theexpanding fluid to the rotating body, and finally real'iproached thereto for the expulsion of the spent fluid, the cam element whichcontrols the adjustable piston at the commencement of the expansion beinghinged and spring-actuated so as to relieve the shoclc of such expansion, substantially as set forth.

. LEMENS GILSBACH. [n s] Witnesesi CHAS. J \Vnrsirr,

ALF ED HnNKnL.

the cam elements being so constructed that

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