US724665A - Rotary fluid-motor. - Google Patents

Rotary fluid-motor. Download PDF

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US724665A
US724665A US14136403A US1903141364A US724665A US 724665 A US724665 A US 724665A US 14136403 A US14136403 A US 14136403A US 1903141364 A US1903141364 A US 1903141364A US 724665 A US724665 A US 724665A
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spacer
cylinder
periphery
piston
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John Francis Cooley
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COOLEY EPICYCLOIDAL ENGINE DEVELOPMENT Co
COOLEY EPICYCLOIDAL ENGINE DEV Co
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COOLEY EPICYCLOIDAL ENGINE DEV Co
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F01C1/10—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F01C1/103—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes

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  • This my invention in its broad scope relates to improvements in rotary fluid-motors or pumps in which the operating fluid is capable of compression and expansion, as in vapors or gases.
  • Figure l is a'central longitudinal sectional View of the motor or pump on the line 1 1, Fig. 2.
  • Fig. 2 is a cross-sectional view of the motor or pump on the line 22, Fig. 1, looking in the direction indicated by the arrow.
  • Fig. 2 the operation of the motor or pump is as follows: The steam or other fluid is admitted through the opening A into the pressure-chest B within the cylinder A. The passage X is opened by means of the valve W to remove, by means of the exitchamber J, any compression or load when starting the motor, and which valve W is closed after starting.
  • the fluid is supplied 0 from the pressure-chest B through the pas-' sage X by opening the valve W and thence into the space between the spacer L and the cylinder A and through the port H into the space or chamber D, pressing upon the pis- 5 ton E between the shoes G and G, the resultant of which pressure passes below the axis of revolution P of the piston E, thereby causing its rotating in the direction of the arrow.
  • the distance on a radial line between the center or axis P to the shoe G is less than the distance between the axis P and the shoe G, making a preponderance of pressure below the axis P and cansing its revolution in the direction of the arrow, as below stated, which continues until the shoes G and G occupy positions corresponding to the present position, Fig. 2, of the ports H and 0, when the radial distances of the shoes G and G from the center of revolution P of the piston E are equal and the port H is in position over the packing-strip I and the chamber D is about to exhaust into the exit-chest J, from which the fluid e'xhausts through the opening K.
  • the shoe G occupying a point corresponding to the packing-strip N would thus be in a position which, measured upon a radius drawn from the center of revolution P of the piston E to the shoe G in its moved position, would correspond to the present position of the port H, (shown in Fig. 2,) making the preponderance of pressure to the right of the center of revolution P of the piston E and causing rotation in the direction of the arrow.
  • the valve W should be closed it expansion of the operative pressure fluid is desired.
  • the port 0 having reached a position directly over the partition V, communication is cut off between the pressure-chamber Band the space D, thereby confining the propelling operation of the pressure fluid to the expansion thereof.
  • the cut-off confines the steam, allowing it to ex- :pand, thereby securing the highest efficiency with greater economy.
  • the port O,passing the packing-strip I in the revolution of the spacer the pressure fluid in the chamber or space D would exhaust into the exit-chamber J until the said port 0 is opposite the partition or cutoif device Y, and the motor having started and the valve W closed the fluid remaining in the space or chamber Dis cut 0E, which in the further rotation of the parts causes a compression of the pressure fluid and filling the clearance between the piston E and spacer L and through the port H and between the spacer L and the cylinder A.
  • the action is identical with those used as example.
  • the rings S and T, (shown in dotted lines in Fig. 2) are provided to prevent longitudinal leakage to or from the chests.
  • the wearing-rings L are provided with radial projections (shown in dotted lines, Fig. 2) and are located in the two opposite end disks L as shown in section of Fig. 1.
  • the cylinderheads U On the outer ends of the engine are located the cylinderheads U, through which the shaft P of the piston E projects, and which cylinder-heads have also inwardly-projecting hubs U, which form a bearing for the hubs L on the end disks L of the spacer L and also'for the shaft P.
  • the spring-pressed valve-piece packingstrips N and I are located diametrically opposite and bear upon the periphery of the spacer L.
  • the partitions or fixed cut-off devices Y and V also bear upon the periphery of the spacer L, which is in continuous contact with the periphery of the piston E at points situated at radially equal distances from their axis of rotation Q, which is the center of rotation of the spacer L.
  • the shoes G, G, and G2 rock, respectively, in springpressed splines Z, Z, and Z mounted within recesses in the spacer equidistant from each other.
  • the valve W controls the passage X, which is situated in the wall of the cylinder and permits the communication of the space between the partitions N and Y with the exit-chamber J.
  • the valve W controls the passage X, which is situated in the wall of the cylinder and permits the communication of the space between the partitions I and V with the pressure-chamberB.
  • the entrance and exit ports for fluids C, H, and O are laterally situated in the periphery of the spacer L and preferably intermediate between the points ofcontact of the spacer upon the piston.
  • an annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, dilfering to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery ofsaid cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve-cylinder having diametrically-situated interprojecting radial partitions whose extremities are in diametric contact with the periphery of said spacer, fluid -chambers in said cylinder oppositely situated on each side of said cylinder-partitions, and controllable cut-off devices dividing the chambers, and in contact with the periphery of the spacer.
  • annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extentexpressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam -piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve cylinder having diametrically-situated interprojecting radial partitions whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinder-partitions, and cut-oil": devices dividing the chambers, and in contact with the periphery of the spacer.
  • annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve-cylinder having diametricallysituated interprojecting radial partitions whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinder-partitions, and a cut-off device in the cylinder on the entrance side and in contact with the periphery of'the spacer.
  • annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an periphery of said spacer, fiuidrchambers in said cylinder oppositely situated on each side of said cylinder-partitions, and a cut-off device in the cylinder on the exit side and in contact with the periphery of the spacer.
  • an annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, difiering to an extent expressible by consecutive whole nu mbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mountedwithin a valve-cylinder having diametrically-situated interprojecting partitions whose extremities are in diametric constant contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinder-partitions, a cut-off device in the cylinder on the entrance side, a by-pass around said cut-0E device, and a valve controlling said by
  • an annular spacer and a cam-shaped piston mounted one Within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extent expressible byconsecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve-cylinder having diametrically-situated interprojecting partitions Whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinderpartitions, a cut-off device in the cylinder on the exit side, a by-pass around said cut-0E device, and a valve controlling said by-pass.
  • annular spacer and a cam-shaped piston mounted one Within the other on parallelpositionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed,said piston and spacer mounted within a valve cylinder having diametrically-situated interprojecting partitions whose extremities are in diametric contact withthe periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinderpartitions, a cut-off device in the entrance side of the said cylinder, a by-pass around said cut-off device, a valve controlling said by-pass, and a cut-off
  • annular spacerand a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates differing to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed,said piston and spacer mounted within a valve cylinder having diametrically-situated interprojecting partitions Whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinderpartitions, a cut-off device in the exit side of the cylinder, a by-pass around said cut-off device, a-valve controlling said by-pass, anda cut-0E

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)

Description

No. 724.665. PATENTED APR. 7, 1903.
J. F.000LEY. ROTARY FLUID MOTOR.
APPLICATION FILED JAN. 31, 1903.
N0 MODEL 1 M e5. W. i 2 Q UNITED STATES PATENT OEEIOE.
JOHN FRANCIS OOOLEY, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO COOLEY EPIOYOLOIDAL ENGINE DEVELOPMENT COMPANY, OF JEEsEY OITY,
NEW JERSEY, AND
JERSEY.
BOSTON, MASSACHUSETTS, A CORPORATION OF NEW ROTARY FLUID-MOTOR.
SPECIFICATION forming part of Letters Patent No. 724,665, dated April 7, 1903. Application filed January/ 31, 1903. Serial No. 141,364. (No model.)
To all whom it may concern.-
Be it known that 1, JOHN FRANCIS GOOLEY, a citizen of the United States, residing at Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Rotary Fluid-Motors or Pumps, of which the following is a specification.
This my invention in its broad scope relates to improvements in rotary fluid-motors or pumps in which the operating fluid is capable of compression and expansion, as in vapors or gases.
In practice it substantially consists of an.
[5 advantageous combination of fixed cut-0d devices in rotary fluid-motors orpumps of the type as illustrated in my application Se-' rial No. 111,810, together with by-passes for such devices controlled by suitable valves in such a manner as to insure adequate control of the operation or non-operation of said devices. A
In the accompanying drawings, which illustrate a construction embodying myinvention, Figure l is a'central longitudinal sectional View of the motor or pump on the line 1 1, Fig. 2. Fig. 2 is a cross-sectional view of the motor or pump on the line 22, Fig. 1, looking in the direction indicated by the arrow.
Referring to the drawings, Fig. 2, the operation of the motor or pump is as follows: The steam or other fluid is admitted through the opening A into the pressure-chest B within the cylinder A. The passage X is opened by means of the valve W to remove, by means of the exitchamber J, any compression or load when starting the motor, and which valve W is closed after starting. As the piston E is on a dead-center the fluid is supplied 0 from the pressure-chest B through the pas-' sage X by opening the valve W and thence into the space between the spacer L and the cylinder A and through the port H into the space or chamber D, pressing upon the pis- 5 ton E between the shoes G and G, the resultant of which pressure passes below the axis of revolution P of the piston E, thereby causing its rotating in the direction of the arrow. In other words, the distance on a radial line between the center or axis P to the shoe G is less than the distance between the axis P and the shoe G, making a preponderance of pressure below the axis P and cansing its revolution in the direction of the arrow, as below stated, which continues until the shoes G and G occupy positions corresponding to the present position, Fig. 2, of the ports H and 0, when the radial distances of the shoes G and G from the center of revolution P of the piston E are equal and the port H is in position over the packing-strip I and the chamber D is about to exhaust into the exit-chest J, from which the fluid e'xhausts through the opening K. The shoe G occupying a point corresponding to the packing-strip N, would thus be in a position which, measured upon a radius drawn from the center of revolution P of the piston E to the shoe G in its moved position, would correspond to the present position of the port H, (shown in Fig. 2,) making the preponderance of pressure to the right of the center of revolution P of the piston E and causing rotation in the direction of the arrow. The valve W should be closed it expansion of the operative pressure fluid is desired. The port 0 having reached a position directly over the partition V, communication is cut off between the pressure-chamber Band the space D, thereby confining the propelling operation of the pressure fluid to the expansion thereof. For instance, in the utilization of steam the cut-off confines the steam, allowing it to ex- :pand, thereby securing the highest efficiency with greater economy. The port O,passing the packing-strip I in the revolution of the spacer, the pressure fluid in the chamber or space D would exhaust into the exit-chamber J until the said port 0 is opposite the partition or cutoif device Y, and the motor having started and the valve W closed the fluid remaining in the space or chamber Dis cut 0E, which in the further rotation of the parts causes a compression of the pressure fluid and filling the clearance between the piston E and spacer L and through the port H and between the spacer L and the cylinder A. As each port is brought successively into communication the action is identical with those used as example. The pinions P mounted on the shaft P of the piston E, and the integral gears L, cut in the openings in the disks L secured to the spacer L, inter-mesh and operate at the same correlative speed rotations as the piston and the spacer of the motor or pump. The rings S and T, (shown in dotted lines in Fig. 2) are provided to prevent longitudinal leakage to or from the chests. The wearing-rings L are provided with radial projections (shown in dotted lines, Fig. 2) and are located in the two opposite end disks L as shown in section of Fig. 1. On the outer ends of the engine are located the cylinderheads U, through which the shaft P of the piston E projects, and which cylinder-heads have also inwardly-projecting hubs U, which form a bearing for the hubs L on the end disks L of the spacer L and also'for the shaft P. The spring-pressed valve-piece packingstrips N and I are located diametrically opposite and bear upon the periphery of the spacer L. The partitions or fixed cut-off devices Y and V also bear upon the periphery of the spacer L, which is in continuous contact with the periphery of the piston E at points situated at radially equal distances from their axis of rotation Q, which is the center of rotation of the spacer L. The shoes G, G, and G2 rock, respectively, in springpressed splines Z, Z, and Z mounted within recesses in the spacer equidistant from each other. The valve W controls the passage X, which is situated in the wall of the cylinder and permits the communication of the space between the partitions N and Y with the exit-chamber J. The valve W controls the passage X, which is situated in the wall of the cylinder and permits the communication of the space between the partitions I and V with the pressure-chamberB. The entrance and exit ports for fluids C, H, and O are laterally situated in the periphery of the spacer L and preferably intermediate between the points ofcontact of the spacer upon the piston.
Having thus described the nature of my invention and set forth a construct-ion embodying the same, what I claim as new, and desire to secure by Letters Patent of the United States, is
1. In 'a rotary motor or pump, an annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, dilfering to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery ofsaid cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve-cylinder having diametrically-situated interprojecting radial partitions whose extremities are in diametric contact with the periphery of said spacer, fluid -chambers in said cylinder oppositely situated on each side of said cylinder-partitions, and controllable cut-off devices dividing the chambers, and in contact with the periphery of the spacer.
2. In a rotary motor or pump, an annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extentexpressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam -piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve cylinder having diametrically-situated interprojecting radial partitions whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinder-partitions, and cut-oil": devices dividing the chambers, and in contact with the periphery of the spacer.
3. In a rotary motor or pump, an annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve-cylinder having diametricallysituated interprojecting radial partitions whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinder-partitions, and a cut-off device in the cylinder on the entrance side and in contact with the periphery of'the spacer.
4. In a rotary motor or pump, an annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an periphery of said spacer, fiuidrchambers in said cylinder oppositely situated on each side of said cylinder-partitions, and a cut-off device in the cylinder on the exit side and in contact with the periphery of the spacer.
5. In a rotary motor or pump, an annular spacer and a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, difiering to an extent expressible by consecutive whole nu mbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mountedwithin a valve-cylinder having diametrically-situated interprojecting partitions whose extremities are in diametric constant contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinder-partitions, a cut-off device in the cylinder on the entrance side, a by-pass around said cut-0E device, and a valve controlling said by-pass.
6. In a rotary motor or pump, an annular spacer and a cam-shaped piston mounted one Within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extent expressible byconsecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed, said piston and spacer mounted within a valve-cylinder having diametrically-situated interprojecting partitions Whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinderpartitions, a cut-off device in the cylinder on the exit side, a by-pass around said cut-0E device, and a valve controlling said by-pass.
7. In a rotary motor or pump, an annular spacer and a cam-shaped piston mounted one Within the other on parallelpositionally-fixed axes, rotatable in the same direction at correlative constant speed rates, differing to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed,said piston and spacer mounted within a valve cylinder having diametrically-situated interprojecting partitions whose extremities are in diametric contact withthe periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinderpartitions, a cut-off device in the entrance side of the said cylinder, a by-pass around said cut-off device, a valve controlling said by-pass, and a cut-off device in said cylinder .on the exit side.
8. Ina rotary motor or pump, an annular spacerand a cam-shaped piston mounted one within the other on parallel positionally-fixed axes, rotatable in the same direction at correlative constant speed rates differing to an extent expressible by consecutive whole numbers, the spacer having interprojecting partitions whose extremities are equiradially distant from and equiangularly situated around its axis of rotation, said partition extremities in constant contact with the periphery of said cam-piston, and ports in the periphery of said spacer in communication with the spaces so formed,said piston and spacer mounted within a valve cylinder having diametrically-situated interprojecting partitions Whose extremities are in diametric contact with the periphery of said spacer, fluid-chambers in said cylinder situated on each side of said cylinderpartitions, a cut-off device in the exit side of the cylinder, a by-pass around said cut-off device, a-valve controlling said by-pass, anda cut-0E device in said cylinder on the entrance side.
In testimony whereof I have aflixed my signature in presence of two Witnesses.
JOHN FRANCIS OOOLEY. Witnesses:
GEORGE H. BLOOD, LOUIS G. BARTLETT.
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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106163A (en) * 1960-04-04 1963-10-08 Roper Hydraulics Inc Pumps, motors and like devices
US3226014A (en) * 1963-07-12 1965-12-28 Janenkov Nikolai Petrovich Two-stage plate rotary vacuum pumps
US3246835A (en) * 1966-04-19 Rotary fluid delivering machine
US3288121A (en) * 1962-08-30 1966-11-29 Ceriani Rotary piston engine
US3474954A (en) * 1967-12-07 1969-10-28 Rene Werner Linder Rotary volumetric machine
US3954355A (en) * 1973-08-27 1976-05-04 Paul Jr Herman L Rotary energy converter
US4028023A (en) * 1974-11-28 1977-06-07 Kernforschungsanlage Julich Gessellschaft Mit Beschrankter Haftung Fluid operable rotary piston device
US4089625A (en) * 1974-12-21 1978-05-16 Comprotek, S. A. Rotary gas machine
US4793781A (en) * 1986-06-13 1988-12-27 Felix Wankel External and internal rotor machine having internal axes and circumferential reinforcement web
US5044907A (en) * 1987-09-30 1991-09-03 Aisin Seiki Kabushiki Kaisha Rotor device having inner rotor and driven outer rotor
US20030215345A1 (en) * 2002-02-05 2003-11-20 Texas A&M University Systems Gerotor apparatus for a quasi-isothermal brayton cycle engine
US20030228237A1 (en) * 1998-07-31 2003-12-11 Holtzapple Mark T. Gerotor apparatus for a quasi-isothermal Brayton Cycle engine
US20060279155A1 (en) * 2003-02-05 2006-12-14 The Texas A&M University System High-Torque Switched Reluctance Motor
US20070237665A1 (en) * 1998-07-31 2007-10-11 The Texas A&M Univertsity System Gerotor Apparatus for a Quasi-Isothermal Brayton Cycle Engine
US20100003152A1 (en) * 2004-01-23 2010-01-07 The Texas A&M University System Gerotor apparatus for a quasi-isothermal brayton cycle engine
US7695260B2 (en) 2004-10-22 2010-04-13 The Texas A&M University System Gerotor apparatus for a quasi-isothermal Brayton cycle engine
WO2014106824A2 (en) 2013-01-06 2014-07-10 Kujovič Jozef Workspace with rotary piston
US20140299094A1 (en) * 2010-12-16 2014-10-09 Gang Li Rotary engine and rotary unit thereof
US9334793B1 (en) 2014-11-06 2016-05-10 Novation Iq Llc Rotary engine having two rotors with intersecting pathways

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246835A (en) * 1966-04-19 Rotary fluid delivering machine
US3106163A (en) * 1960-04-04 1963-10-08 Roper Hydraulics Inc Pumps, motors and like devices
US3288121A (en) * 1962-08-30 1966-11-29 Ceriani Rotary piston engine
US3226014A (en) * 1963-07-12 1965-12-28 Janenkov Nikolai Petrovich Two-stage plate rotary vacuum pumps
US3474954A (en) * 1967-12-07 1969-10-28 Rene Werner Linder Rotary volumetric machine
US3954355A (en) * 1973-08-27 1976-05-04 Paul Jr Herman L Rotary energy converter
US4028023A (en) * 1974-11-28 1977-06-07 Kernforschungsanlage Julich Gessellschaft Mit Beschrankter Haftung Fluid operable rotary piston device
US4089625A (en) * 1974-12-21 1978-05-16 Comprotek, S. A. Rotary gas machine
US4793781A (en) * 1986-06-13 1988-12-27 Felix Wankel External and internal rotor machine having internal axes and circumferential reinforcement web
US5044907A (en) * 1987-09-30 1991-09-03 Aisin Seiki Kabushiki Kaisha Rotor device having inner rotor and driven outer rotor
US20070237665A1 (en) * 1998-07-31 2007-10-11 The Texas A&M Univertsity System Gerotor Apparatus for a Quasi-Isothermal Brayton Cycle Engine
US7726959B2 (en) 1998-07-31 2010-06-01 The Texas A&M University Gerotor apparatus for a quasi-isothermal Brayton cycle engine
US9382872B2 (en) 1998-07-31 2016-07-05 The Texas A&M University System Gerotor apparatus for a quasi-isothermal Brayton cycle engine
US8821138B2 (en) 1998-07-31 2014-09-02 The Texas A&M University System Gerotor apparatus for a quasi-isothermal Brayton cycle engine
US20100266435A1 (en) * 1998-07-31 2010-10-21 The Texas A&M University System Gerotor Apparatus for a Quasi-Isothermal Brayton Cycle Engine
US7186101B2 (en) * 1998-07-31 2007-03-06 The Texas A&M University System Gerotor apparatus for a quasi-isothermal Brayton cycle Engine
US20030228237A1 (en) * 1998-07-31 2003-12-11 Holtzapple Mark T. Gerotor apparatus for a quasi-isothermal Brayton Cycle engine
US20030215345A1 (en) * 2002-02-05 2003-11-20 Texas A&M University Systems Gerotor apparatus for a quasi-isothermal brayton cycle engine
US20060239849A1 (en) * 2002-02-05 2006-10-26 Heltzapple Mark T Gerotor apparatus for a quasi-isothermal Brayton cycle engine
US7008200B2 (en) * 2002-02-05 2006-03-07 The Texas A&M University System Gerotor apparatus for a quasi-isothermal brayton cycle engine
US7663283B2 (en) 2003-02-05 2010-02-16 The Texas A & M University System Electric machine having a high-torque switched reluctance motor
US20060279155A1 (en) * 2003-02-05 2006-12-14 The Texas A&M University System High-Torque Switched Reluctance Motor
US20100003152A1 (en) * 2004-01-23 2010-01-07 The Texas A&M University System Gerotor apparatus for a quasi-isothermal brayton cycle engine
US20110200476A1 (en) * 2004-01-23 2011-08-18 Holtzapple Mark T Gerotor apparatus for a quasi-isothermal brayton cycle engine
US8753099B2 (en) 2004-01-23 2014-06-17 The Texas A&M University System Sealing system for gerotor apparatus
US20100247360A1 (en) * 2004-10-22 2010-09-30 The Texas A&M University System Gerotor Apparatus for a Quasi-Isothermal Brayton Cycle Engine
US8905735B2 (en) 2004-10-22 2014-12-09 The Texas A&M University System Gerotor apparatus for a quasi-isothermal Brayton cycle engine
US7695260B2 (en) 2004-10-22 2010-04-13 The Texas A&M University System Gerotor apparatus for a quasi-isothermal Brayton cycle engine
US20140299094A1 (en) * 2010-12-16 2014-10-09 Gang Li Rotary engine and rotary unit thereof
US9920687B2 (en) * 2010-12-16 2018-03-20 Gang Li Rotary engine and rotary unit thereof
WO2014106824A2 (en) 2013-01-06 2014-07-10 Kujovič Jozef Workspace with rotary piston
US9334793B1 (en) 2014-11-06 2016-05-10 Novation Iq Llc Rotary engine having two rotors with intersecting pathways

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