Patents by Inventor Gilles Lemaire
Gilles Lemaire 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).
-
Publication number: 20210094851Abstract: The present invention provides a method of controlling a wastewater treatment plant. The plant comprises at least one process tank and an aeration structure configured for aeration of the at least one process tank. The method comprises alternating steps of increasing aeration to the at least one process tank when a first event occurs, wherein the first event is one of when a first threshold value of a first tank parameter is reached and when a first predetermined time period has expired, and decreasing aeration to the at least one process tank when a second event occurs, wherein the second event is one of when a second threshold value of a second tank parameter is reached and when a second predetermined time period has expired.Type: ApplicationFiled: June 29, 2018Publication date: April 1, 2021Applicant: Veolia Water Solutions & Technologies SupportInventors: Anna Katrine Vangsgaard, Romain Louis Gilles Lemaire, Bartholomeus Franciscus Smets, Sara Elisabet Margareta Ekström
-
Patent number: 9719593Abstract: A hydraulic transmission circuit is provided having at least two elementary hydraulic motors, each having a secondary enclosure and a main duct for fluid feed and a secondary enclosure and a main duct for fluid discharge. A fluid distributor distributes fluid from the main ducts to the elementary motors via the secondary enclosures. A control system controls the elementary motors. Valves connecting the fluid distributor to the secondary enclosures of the first motor put a secondary enclosure into communication with a main duct independent of an operating mode of any other elementary motor.Type: GrantFiled: December 30, 2009Date of Patent: August 1, 2017Assignee: POCLAIN HYDRAULICS INDUSTRIEInventors: Jean-Pierre Souply, Guillaume Charrier, Gilles Lemaire
-
Patent number: 9518466Abstract: The invention relates to a hydraulic apparatus (1) including: a casing (6) defining a first assembly; a shaft (2) defining a second assembly; said first and second assemblies being freely rotatable relative to one another; a multi-lobe cam (3) rotatably connected to one of said first or second assembly; a dispenser (51) and a dispenser cover (52); a cylinder block (4) mounted such as to be freely rotatable relative to said first and second assemblies and including a means for rotatably engaging relative to the other of said assemblies, characterized in that the hydraulic apparatus (1) includes a return means for moving the cylinder block (4) in order to rotatably disengage same from said first or second assembly, and in that the dispenser (5) is configured, when applying pressure, to rotatably engage the cylinder block (4) relative to the other of said first or second assembly.Type: GrantFiled: September 19, 2013Date of Patent: December 13, 2016Assignee: POCLAIN HYDRAULICS INDUSTRIEInventors: Stephane Vidal, Herve Desumeur, Jean Heren, Clement Recoura, Gilles Lemaire
-
Patent number: 9404485Abstract: The present invention relates to a double hydraulic machine (100) comprising two elementary machines (M1, M2) each having two orifices, the double hydraulic machine (100) comprising a distribution valve (7) suitable for, in a first configuration (C1), feeding both elementary machines (M1, M2) in parallel, and in a second configuration (C2), producing a short circuit of one of the elementary machines (M2). The invention also relates to a system for driving a vehicle comprising such a hydraulic machine (100) for driving the vehicle into motion.Type: GrantFiled: February 11, 2014Date of Patent: August 2, 2016Assignee: POCLAIN HYDRAULICS INDUSTRIEInventors: Pierre-Louis Houillon, Gilles Lemaire
-
Publication number: 20150247404Abstract: The invention relates to a hydraulic apparatus (1) including: a casing (6) defining a first assembly; a shaft (2) defining a second assembly; said first and second assemblies being freely rotatable relative to one another; a multi-lobe cam (3) rotatably connected to one of said first or second assembly; a dispenser (51) and a dispenser cover (52); a cylinder block (4) mounted such as to be freely rotatable relative to said first and second assemblies and including a means for rotatably engaging relative to the other of said assemblies, characterized in that the hydraulic apparatus (1) includes a return means for moving the cylinder block (4) in order to rotatably disengage same from said first or second assembly, and in that the dispenser (5) is configured, when applying pressure, to rotatably engage the cylinder block (4) relative to the other of said first or second assembly.Type: ApplicationFiled: September 19, 2013Publication date: September 3, 2015Inventors: Stephane Vidal, Herve Desumeur, Jean Heren, Clement Recoura, Gilles Lemaire
-
Patent number: 9074578Abstract: A hydraulic motor is provided having radial pistons, with a cylinder block, two main ducts, a fluid distributor, one distribution valve per cylinder, and a control system for controlling the distribution valves. The motor includes at least two elementary motors, and can operate in various different states in which, in each elementary motor, each of the cylinders is connected on the rising ramps to a second main duct and on the falling ramps to a second main duct; a first elementary motor being driving in a first state, and inactive or opposing in a second state, the control system operating the remainder of the hydraulic motor in the same way in these two states. A hydraulic circuit including said motor and a method of controlling such a motor are also provided.Type: GrantFiled: December 30, 2009Date of Patent: July 7, 2015Assignee: POCLAIN HYDRAULICS INDUSTRIEInventors: Jean-Pierre Souply, Guillaume Charrier, Gilles Lemaire
-
Publication number: 20140227113Abstract: The present invention relates to a double hydraulic machine (100) comprising two elementary machines (M1, M2) each having two orifices, the double hydraulic machine (100) comprising a distribution valve (7) suitable for, in a first configuration (C1), feeding both elementary machines (M1, M2) in parallel, and in a second configuration (C2), producing a short circuit of one of the elementary machines (M2). The invention also relates to a system for driving a vehicle comprising such a hydraulic machine (100) for driving the vehicle into motion.Type: ApplicationFiled: February 11, 2014Publication date: August 14, 2014Applicant: POCLAIN HYDRAULICS INDUSTRIEInventors: Pierre-Louis Houillon, Gilles Lemaire
-
Patent number: 8522432Abstract: A method for manufacturing radial pistons for a hydraulic motor by machining cylindrical transverse holes at regular intervals in a bar, and, in order to form two adjacent pistons, cutting up the bar on a transverse cutting-up plane passing through one of said holes so that a first portion of said hole forms a cradle-shaped recess in the base of the first one of the two adjacent pistons and so that another portion of said hole forms a cradle-shaped recess in the top of the second one of the two adjacent pistons.Type: GrantFiled: December 8, 2011Date of Patent: September 3, 2013Assignee: Poclain Hydraulics IndustrieInventors: Gilles Lemaire, Alain Noel
-
Patent number: 8281707Abstract: A piston for a hydraulic motor including a body having a guiding and sealing surface, a base, and a top, which top is providing with a cradle-shaped recess. The base is provided with an additional cradle-shaped recess whose concave surface faces in the direction in which the concave surface of the recess in the top faces.Type: GrantFiled: March 30, 2007Date of Patent: October 9, 2012Assignee: Poclain Hydraulics IndustrieInventors: Gilles Lemaire, Alain Noel
-
Patent number: 8240143Abstract: A circuit having at least one hydraulic motor, two main ducts for feeding or discharging the at least one motor, a low-pressure fluid source, and a high-pressure accumulator forming a high-pressure fluid source. The circuit is suitable for operating in an energy recovery mode in which the feed main duct is connected to the low-pressure fluid source and the discharge main duct is connected to the high-pressure accumulator, and in an energy delivery mode in which the connections are inverted. The low-pressure fluid source has a high-flow-rate booster pump suitable for delivering a flow-rate of fluid that is sufficient to feed fluid to the at least one hydraulic motor while the motor is at maximum speed in energy recovery mode, and an adjustable pressure limiter suitable for being controlled so as to cause the pressure of the fluid at the outlet of the low-pressure fluid source to vary.Type: GrantFiled: July 2, 2007Date of Patent: August 14, 2012Assignee: Poclain Hydraulics IndustrieInventors: Jean Heren, Gilles Lemaire
-
Patent number: 8244446Abstract: A hydraulic valve having firstly a feed port, a low-pressure link port, and a high-pressure link port, which ports are respectively connected to the feed and discharge ducts of a hydraulic motor, to a low-pressure fluid source, and to a high-pressure accumulator, and secondly an auxiliary port. The valve has a slide that can take up a neutral position for connecting together the feed, discharge, and auxiliary ports, an energy recovery position for connecting together respectively the feed and low-pressure ports, and the discharge and high pressure ports, and an energy delivery position for connecting together respectively the feed and high-pressure ports, and the discharge and low-pressure ports. The slide is caused to move from its neutral position to its other positions by control signals and the auxiliary port can be connected to a reservoir or to a clutch fluid source for clutching or declutching the motor.Type: GrantFiled: July 2, 2007Date of Patent: August 14, 2012Assignee: Poclain Hydraulics IndustrieInventors: Jean Heren, Gilles Lemaire, Julien Viard
-
Patent number: 8146483Abstract: A piston including a body having a guiding and sealing surface, a base, and a top, which top is provided with a cradle-shaped recess in which a journal-bearing lining is retained by stop surfaces formed on the edges of the recess. The stop surfaces are formed by deforming the edges of the recess towards the inside thereof.Type: GrantFiled: April 4, 2007Date of Patent: April 3, 2012Assignee: Poclain Hydraulics IndustrieInventors: Gilles Lemaire, Alain Noel
-
Publication number: 20120073133Abstract: A piston for a hydraulic motor including a body having a guiding and sealing surface, a base, and a top, which top is providing with a cradle-shaped recess. The base is provided with an additional cradle-shaped recess whose concave surface faces in the direction in which the concave surface of the recess in the top faces.Type: ApplicationFiled: December 8, 2011Publication date: March 29, 2012Applicant: POCLAIN HYDRAULICS INDUSTRIESInventors: Gilles LEMAIRE, Alain NOEL
-
Publication number: 20120036994Abstract: A hydraulic transmission circuit is provided having at least two elementary hydraulic motors, each having a secondary enclosure and a main duct for fluid feed and a secondary enclosure and a main duct for fluid discharge. A fluid distributor distributes fluid from the main ducts to the elementary motors via the secondary enclosures. A control system controls the elementary motors. Valves connecting the fluid distributor to the secondary enclosures of the first motor put a secondary enclosure into communication with a main duct independent of an operating mode of any other elementary motor.Type: ApplicationFiled: December 30, 2009Publication date: February 16, 2012Inventors: Jean-Pierre Souply, Guillaume Charrier, Gilles Lemaire
-
Publication number: 20120031263Abstract: A hydraulic motor is provided having radial pistons, with a cylinder block, two main ducts, a fluid distributor, one distribution valve per cylinder, and a control system for controlling the distribution valves. The motor includes at least two elementary motors, and can operate in various different states in which, in each elementary motor, each of the cylinders is connected on the rising ramps to a second main duct and on the falling ramps to a second main duct; a first elementary motor being driving in a first state, and inactive or opposing in a second state, the control system operating the remainder of the hydraulic motor in the same way in these two states. A hydraulic circuit including said motor and a method of controlling such a motor are also provided.Type: ApplicationFiled: December 30, 2009Publication date: February 9, 2012Inventors: Jean-Pierre Souply, Guillaume Charrier, Gilles Lemaire
-
Publication number: 20110017059Abstract: A hydraulic motor device including a hydraulic motor having a cylinder block and a cam that are mounted to move in rotation relative to each other. The motor has a fluid distributor for the cylinders, a portion of which distributor is constrained in rotation with the cam, and a stationary distribution coupling connecting the distributor to a fluid feed and to a fluid discharge. The motor has a through passage disposed along the axis of rotation for the purpose of receiving a transmission shaft segment. The motor can be declutched by radially uncoupling the pistons from the cam, the cylinder block remaining stationary relative to the reference frame of the vehicle, and the cam being constrained in rotation with a transmission shaft segment that is disposed in the through passage. The device may be used in addition to or as a replacement for a mechanical transmission.Type: ApplicationFiled: January 20, 2009Publication date: January 27, 2011Inventors: Jean Heren, Gilles Lemaire
-
Publication number: 20090313985Abstract: A circuit having at least one hydraulic motor, two main ducts for feeding or discharging the at least one motor, a low-pressure fluid source, and a high-pressure accumulator forming a high-pressure fluid source. The circuit is suitable for operating in an energy recovery mode in which the feed main duct is connected to the low-pressure fluid source and the discharge main duct is connected to the high-pressure accumulator, and in an energy delivery mode in which the connections are inverted. The low-pressure fluid source has a high-flow-rate booster pump suitable for delivering a flow-rate of fluid that is sufficient to feed fluid to the at least one hydraulic motor while the motor is at maximum speed in energy recovery mode, and an adjustable pressure limiter suitable for being controlled so as to cause the pressure of the fluid at the outlet of the low-pressure fluid source to vary.Type: ApplicationFiled: July 2, 2007Publication date: December 24, 2009Inventors: Jean Heren, Gilles Lemaire
-
Patent number: 7603941Abstract: The mechanism such as a motor or a pump comprises a cam (10) and a cylinder block (12) which has a plurality of cylinders (14A, 14B, 14) connected to communication orifices (34A, 35A; 34B, 35B) disposed in a communication face (18). The mechanism further comprises a fluid distributor (20) having a distribution face (22) which is provided with distribution orifices (31A-31F, 32A-32F) suitable for being connected to the feed or to the discharge. The communication orifices and the distribution orifices communicate with one another as the cylinder block and the distributor rotate relative to each other. At least certain cylinders (14A, 14B) are connected to at least two communication orifices (34A, 35A; 34B; 35B) spaced apart angularly (?) so that they communicate simultaneously with respective distribution orifices connected to the feed or to the discharge.Type: GrantFiled: October 28, 2003Date of Patent: October 20, 2009Assignee: Poclain Hydraulics IndustrieInventors: Gilles Lemaire, Ante Bozic, Jean-Pierre Souply
-
Publication number: 20090259378Abstract: A hydraulic valve having firstly a feed port, a discharge port, a low-pressure link port, and a high-pressure link port, which ports are respectively connected to the feed and discharge ducts of a hydraulic motor, to a low-pressure fluid source, and to a high-pressure accumulator, and secondly an auxiliary port. The valve has a slide that can take up a neutral position for connecting together the feed, discharge, and auxiliary ports, an energy recovery position for connecting together respectively the feed and low-pressure ports, and the discharge and high pressure ports, and an energy delivery position for connecting together respectively the feed and high-pressure ports, and the discharge and low-pressure ports. The slide is caused to move from its neutral position to its other positions by control signals and the auxiliary port can be connected to a reservoir or to a clutch fluid source for clutching or declutching the motor.Type: ApplicationFiled: July 2, 2007Publication date: October 15, 2009Applicant: POCLAIN HYDRAULICS INDUSTRIEInventors: Jean Heren, Gilles Lemaire, Julien Viard
-
Publication number: 20090183629Abstract: A piston including a body having a guiding and sealing surface, a base, and a top, which top is provided with a cradle-shaped recess in which a journal-bearing lining is retained by stop surfaces formed on the edges of the recess. The stop surfaces are formed by deforming the edges of the recess towards the inside thereof.Type: ApplicationFiled: April 4, 2007Publication date: July 23, 2009Inventors: Gilles Lemaire, Alain Noel