Patents by Inventor Alejandro Juan
Alejandro Juan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11614089Abstract: A positive displacement device that converts energy, namely positive displacement compressors that rotate in a single rotational direction to displace working fluid contained in operating chambers. The device described herein is particularity advantageous for the ability to achieve high compression ratios in combination with high discharge pressure and high volumetric throughput in a single stage.Type: GrantFiled: April 13, 2021Date of Patent: March 28, 2023Inventors: Alejandro Juan, Michael Sereda-Mohr, Erik Farrell
-
Publication number: 20210301825Abstract: A positive displacement device that converts energy, namely positive displacement compressors that rotate in a single rotational direction to displace working fluid contained in operating chambers. The device described herein is particularity advantageous for the ability to achieve high compression ratios in combination with high discharge pressure and high volumetric throughput in a single stage.Type: ApplicationFiled: April 13, 2021Publication date: September 30, 2021Inventors: Alejandro Juan, Michael Sereda-Mohr, Erik Farrell
-
Patent number: 10975869Abstract: A positive displacement device that converts energy, namely positive displacement compressors that rotate in a single rotational direction to displace working fluid contained in operating chambers. The device described herein is particularity advantageous for the ability to achieve high compression ratios in combination with high discharge pressure and high volumetric throughput in a single stage.Type: GrantFiled: December 13, 2018Date of Patent: April 13, 2021Assignee: Exponential Technologies, Inc.Inventors: Alejandro Juan, Michael Sereda-Mohr, Erik Farrell
-
Publication number: 20190271317Abstract: A positive displacement device that converts energy, namely positive displacement compressors that rotate in a single rotational direction to displace working fluid contained in operating chambers. The device described herein is particularity advantageous for the ability to achieve high compression ratios in combination with high discharge pressure and high volumetric throughput in a single stage.Type: ApplicationFiled: December 13, 2018Publication date: September 5, 2019Inventors: Alejandro Juan, Michael Sereda-Mohr, Erik Farrell
-
Patent number: 10337328Abstract: A positive displacement rotary motion device including in one example a pulse detonation device. Also; an indexing system for a rotor assembly where in one example the indexing system regulates the rotational location of drive rotors. In one example the rotors are configured to rotate about a shaft.Type: GrantFiled: September 20, 2016Date of Patent: July 2, 2019Assignee: Exponential Technologies, Inc.Inventors: Alejandro Juan, Soheil Farshchian
-
Publication number: 20190093880Abstract: A pressure gain combustor comprises a detonation chamber, a pre-combustion chamber, an oxidant swirl generator, an expansion-deflection (E-D) nozzle, and an ignition source. The detonation chamber has an upstream intake end and a downstream discharge end, and is configured to allow a supersonic combustion event to propagate therethrough. The pre-combustion chamber has a downstream end in fluid communication with the detonation chamber intake end, an upstream end in communication with a fuel delivery pathway, and a circumferential perimeter between the upstream and downstream ends with an annular opening in communication with an annular oxidant delivery pathway. The oxidant swirl generator is located in the oxidant delivery pathway and comprises vanes configured to cause oxidant flowing past the vanes to flow tangentially into the pre-combustion chamber thereby creating a high swirl velocity zone around the annular opening and a low swirl velocity zone in a central portion of the pre-combustion chamber.Type: ApplicationFiled: August 23, 2018Publication date: March 28, 2019Inventor: ALEJANDRO JUAN
-
Patent number: 10060618Abstract: A pressure gain combustor comprises a detonation chamber, a pre-combustion chamber, an oxidant swirl generator, an expansion-deflection (E-D) nozzle, and an ignition source. The detonation chamber has an upstream intake end and a downstream discharge end, and is configured to allow a supersonic combustion event to propagate therethrough. The pre-combustion chamber has a downstream end in fluid communication with the detonation chamber intake end, an upstream end in communication with a fuel delivery pathway, and a circumferential perimeter between the upstream and downstream ends with an annular opening in communication with an annular oxidant delivery pathway. The oxidant swirl generator is located in the oxidant delivery pathway and comprises vanes configured to cause oxidant flowing past the vanes to flow tangentially into the pre-combustion chamber thereby creating a high swirl velocity zone around the annular opening and a low swirl velocity zone in a central portion of the pre-combustion chamber.Type: GrantFiled: November 7, 2013Date of Patent: August 28, 2018Assignee: EXPONENTIAL TECHNOLOGIES, INC.Inventor: Alejandro Juan
-
Patent number: 9874097Abstract: Disclosed herein are several embodiments for shroud arrangements to be used in rotary engines using a plurality of rotors within the shroud arrangement. At least one of the rotors is not fixed to the shroud.Type: GrantFiled: August 24, 2015Date of Patent: January 23, 2018Assignee: Exponential Technologies, Inc.Inventors: Curtis Patterson, Kristjan Gottfried, Alejandro Juan
-
Patent number: 9777729Abstract: This disclosure concerns an advanced nutating positive displacement device having a high power to mass ratio and low production cost. This device in one example forms an exemplary pump as will be discussed in detail. The examples disclosed herein are of the rotary positive displacement type, but in a class by themselves. The devices are formed by a nutating rotor having a face comprising lobes and valleys, and a fixed stator also having a face with lobes and valleys. The face of the rotor opposes and cooperates with the face of the stator. The opposing faces define chambers that change volume with rotation of the rotor.Type: GrantFiled: March 15, 2013Date of Patent: October 3, 2017Assignee: Exponential Technologies, Inc.Inventors: Alejandro Juan, Curtis Patterson, Erik Farrell, Stephen F. Scott, Kyle Fiolka
-
Patent number: 9732600Abstract: Disclosed herein is a use of pulsed combustion to convert chemical energy to usable heat. For example, in boilers, heat is generated by burning fuel at burners and transferring the heat to water or other fluids, including air, through heat exchangers. In one form, these heated fluids may then be utilized to assist in removing oil from oil sand reservoirs.Type: GrantFiled: August 26, 2010Date of Patent: August 15, 2017Assignee: Exponential Technologies, Inc.Inventors: Soheil Farshchian, Alejandro Juan
-
Publication number: 20170130583Abstract: Disclosed herein is an indexing system for a rotor assembly where in one example the indexing system regulates the rotational location of drive rotors. In one example the rotors are configured to rotate about a shaft.Type: ApplicationFiled: September 20, 2016Publication date: May 11, 2017Inventors: Alejandro Juan, Soheil Farshchian
-
Patent number: 9447688Abstract: Disclosed herein is an indexing system for a rotor assembly where in one example the indexing system regulates the rotational location of drive rotors. In one example the rotors are configured to rotate about a shaft.Type: GrantFiled: December 9, 2013Date of Patent: September 20, 2016Assignee: Exponential Technologies, Inc.Inventors: Alejandro Juan, Curtis Patterson, Kristjan Gottfried, Soheil Farshchian
-
Patent number: 9359973Abstract: Disclosed herein is a valveless multitube pulse detonation engine including: a plurality of detonation tubes, wherein each detonation tube comprises an independent discharge outlet, and the plurality of detonation tubes interconnected at a common air/fuel mixture intake port. In the disclosed engine, an air and fuel mixture is detonated in the detonation tubes simultaneously, and the common air/fuel mixture intake port minimizes back-pressure caused by detonating the air/fuel mixture by directing multiple reverse shock waves into one another and effectively using the back-pressures as reacting surfaces for one another and effectively reducing the effect of back flowing shock waves moving towards upstream. The detonation tubes may be non-linear, and may have independent discharges. The independent discharges may be coupled to an adapter nozzle terminating in a combined exhaust outlet.Type: GrantFiled: June 15, 2011Date of Patent: June 7, 2016Assignee: Exponential Technologies, Inc.Inventors: Soheil Farshchian, Alejandro Juan
-
Patent number: 9316102Abstract: The present disclosure describes the use of involute curves for use in energy conversion devices, as well as timing or indexing gears. Several different embodiments are shown using rotors of several examples of lobe numbers and shapes.Type: GrantFiled: April 20, 2012Date of Patent: April 19, 2016Assignee: Exponential Technologies, Inc.Inventors: Curtis Patterson, Alejandro Juan, Kristjan Gottfried
-
Publication number: 20150361794Abstract: Disclosed herein are several embodiments for shroud arrangements to be used in rotary engines using a plurality of rotors within the shroud arrangement. At least one of the rotors is not fixed to the shroud.Type: ApplicationFiled: August 24, 2015Publication date: December 17, 2015Inventors: Curtis Patterson, Kristjan Gottfried, Alejandro Juan
-
Publication number: 20150300630Abstract: A pressure gain combustor comprises a detonation chamber, a pre-combustion chamber, an oxidant swirl generator, an expansion-deflection (E-D) nozzle, and an ignition source. The detonation chamber has an upstream intake end and a downstream discharge end, and is configured to allow a supersonic combustion event to propagate therethrough. The pre-combustion chamber has a downstream end in fluid communication with the detonation chamber intake end, an upstream end in communication with a fuel delivery pathway, and a circumferential perimeter between the upstream and downstream ends with an annular opening in communication with an annular oxidant delivery pathway. The oxidant swirl generator is located in the oxidant delivery pathway and comprises vanes configured to cause oxidant flowing past the vanes to flow tangentially into the pre-combustion chamber thereby creating a high swirl velocity zone around the annular opening and a low swirl velocity zone in a central portion of the pre-combustion chamber.Type: ApplicationFiled: November 7, 2013Publication date: October 22, 2015Inventor: Alejandro Juan
-
Publication number: 20150260184Abstract: This disclosure concerns an advanced nutating positive displacement device having a high power to mass ratio and low production cost. This device in one example forms an exemplary pump as will be discussed in detail. The examples disclosed herein are of the rotary positive displacement type, but in a class by themselves. The devices are formed by a nutating rotor having a face comprising lobes and valleys, and a fixed stator also having a face with lobes and valleys. The face of the rotor opposes and cooperates with the face of the stator. The opposing faces define chambers that change volume with rotation of the rotor.Type: ApplicationFiled: March 17, 2014Publication date: September 17, 2015Inventors: Erik Farrell, Alejandro Juan, Curtis Patterson, Stephen F. Scott, Kyle Fiolka
-
Patent number: 9121275Abstract: Provided herein are multiple variations, applications, and variations for producing electrical power from a flowing fluid such as a gas or liquid under pressure, for example natural gas flowing through a pipeline, by means of one or more positive displacement devices that drive one or more electrical generators. The electrical generators may be immersed in the flow stream together with the positive displacement devices as disclosed, or alternately may be isolated from the flow stream, such as by magnetic coupling, in order to promote longevity and to decrease the risk of accidental discharge or explosion of the fluid in the flow stream. To further decrease such risks, the positive displacement devices may isolate the drive fluid from the environment without the use of dynamic seals.Type: GrantFiled: December 19, 2012Date of Patent: September 1, 2015Assignee: Exponential Technologies, Inc.Inventors: Curtis Patterson, Alejandro Juan, Kristjan Gottfried, Erik Farrell
-
Patent number: 9115646Abstract: Disclosed herein are several embodiments for shroud arrangements to be used in rotary engines using a plurality of rotors within the shroud arrangement. At least one of the rotors is not fixed to the shroud.Type: GrantFiled: June 16, 2011Date of Patent: August 25, 2015Assignee: Exponential Technologies, Inc.Inventors: Curtis Patterson, Kristjan Gottfried, Alejandro Juan
-
Patent number: 8887592Abstract: Disclosed herein are several embodiments of rotors (gears) which utilize spherical involute curves to determine the surfaces of the lobes (teeth). In some embodiments the contact surfaces are radial projections of spherical involute surfaces. In other embodiments the contact surfaces have a root and/or tip of a spherical involute curve, but are barreled or otherwise curved to reduce the point stress on each rotor. The rotors may also be configured where torque transfer is provided at a first set of lobes (teeth) and backlash removal is provided on teeth radially opposed to the first set of lobes (teeth). As the apparatus rotates, the position of torque transfer remains substantially the same, as does backlash prevention/removal, but the teeth providing these operations vary. The rotors may also be used for fluid flow.Type: GrantFiled: May 9, 2012Date of Patent: November 18, 2014Assignee: Exponential Technologies, Inc.Inventors: Curtis Patterson, Alejandro Juan, Kristjan Gottfried