Patents by Inventor Jean-Baptiste MARESCOT

Jean-Baptiste MARESCOT 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: 11994129
    Abstract: A screw compressor for a utility vehicle has a housing, wherein, in the operationally ready and assembled state of the screw compressor, an oil sump is provided in the housing. A magnet is arranged in the oil sump.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: May 28, 2024
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold
  • Patent number: 11578723
    Abstract: A screw compressor for a utility vehicle has at least one female screw, at least one male screw that meshes with the female screw, and at least one screw compressor drive which drives the female screw.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: February 14, 2023
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold
  • Patent number: 11359630
    Abstract: A screw compressor for a utility vehicle includes at least one housing, at least one housing cover and at least one rotor housing. At least one seal is provided, wherein, when assembled, there is an oil sump in the housing, and the seal is arranged between the housing cover and the rotor housing and projects out of the oil sump with respect to the assembled state. The seal is formed as a sealing plate and has multiple passage openings.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: June 14, 2022
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold
  • Publication number: 20220154713
    Abstract: A piston assembly for an unloader valve of an air compressor includes an unloader piston having an end portion with a first bore of a first bore diameter, an intermediate portion with a second bore of a second bore diameter and an opposite end portion with a third bore of a third bore diameter; a coil spring having a central opening, one end portion disposed in the second bore of the unloader piston and an opposite end portion extending into the first bore of the unloader piston; and a balance piston including a head portion having a diameter to be disposed in the first bore of the unloader piston, and a stem portion extending from the head portion into the central opening of the coil spring and having a diameter smaller than the diameter of the head portion. The diameter of the stem portion at an end portion facing away from the head portion substantially corresponds to an inner diameter of the central opening of the coil spring. The balance piston includes a heat protection element.
    Type: Application
    Filed: April 2, 2020
    Publication date: May 19, 2022
    Inventors: Joerg MELLAR, Jean-Baptiste MARESCOT, Bertrand CHIROT, Arnaud CHAZELLES, Jean-Louis MEZZA
  • Patent number: 11286938
    Abstract: A screw compressor for a utility vehicle includes at least one housing and at least one air-oil separator holder arranged at the housing. The air-oil separator holder is manufactured from a non-corrosive material. A relief valve is provided, which is arranged in the air-oil separator holder and by which the interior of the screw compressor can be relieved of pressure.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: March 29, 2022
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold
  • Patent number: 11268513
    Abstract: A screw compressor for a utility vehicle has at least one housing with at least one housing cover and with at least one rotor housing, at least one baffle plate and at least one seal. In the assembled state, an oil sump is present in the housing, wherein, with regard to the assembled state, the seal is arranged between housing cover and rotor housing and projects out of the oil sump. The seal at least partially separates the interior of the housing cover from the interior of the rotor housing. With regard to the assembled state, in the case of a substantially horizontal orientation of the screw-type compressor and in the case of a substantially horizontal orientation of the oil sump, the baffle plate is oriented substantially parallel to the upper level of the oil sump.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: March 8, 2022
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold
  • Patent number: 11181110
    Abstract: A screw compressor for a utility vehicle includes a housing. The housing is filled with oil. At least one pair of compressor screws are mounted in the housing and serve to compress air supplied to the screw compressor. In the assembled state, a heat exchanger is directly placed onto and installed on the housing, by which heat exchanger the temperature of the oil contained in the housing can be controlled.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: November 23, 2021
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold
  • Patent number: 11085447
    Abstract: A screw compressor system for a utility vehicle includes at least one screw compressor and at least one control and/or regulation unit for controlling and regulating the screw compressor. The control and/or regulation unit is designed such that the screw compressor is prevented, for a determined period of time, from re-starting after being stopped.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: August 10, 2021
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold, Engelbert Koeck
  • Publication number: 20210010475
    Abstract: A screw compressor for a utility vehicle has at least one housing with at least one housing cover and with at least one rotor housing, at least one baffle plate and at least one seal. In the assembled state, an oil sump is present in the housing, wherein, with regard to the assembled state, the seal is arranged between housing cover and rotor housing and projects out of the oil sump. The seal at least partially separates the interior of the housing cover from the interior of the rotor housing. With regard to the assembled state, in the case of a substantially horizontal orientation of the screw-type compressor and in the case of a substantially horizontal orientation of the oil sump, the baffle plate is oriented substantially parallel to the upper level of the oil sump.
    Type: Application
    Filed: September 19, 2017
    Publication date: January 14, 2021
    Applicant: KNORR-BREMSE Systems fuer Nutzfahrzeuge GmbH
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD
  • Patent number: 10670007
    Abstract: Compressor for generating compressed air for a commercial vehicle, having a housing with a piston chamber in a crankcase and a dead space which is configured at least in the cylinder head. The compressor has a valve device with a valve element which has an actuating section and a shut-off body for separating the dead space from the piston chamber, wherein the shut-off body can be lifted up from a valve seat in the direction of the piston chamber in order to open the valve device. The valve element is configured in one piece with the actuating section.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: June 2, 2020
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Frederic Amiot, Jean-Baptiste Marescot, Joerg Mellar
  • Publication number: 20200040897
    Abstract: A screw compressor system for a utility vehicle includes at least one screw compressor and at least one control and/or regulation unit for controlling and regulating the screw compressor. The control and/or regulation unit is designed such that the screw compressor is prevented, for a determined period of time, from re-starting after being stopped.
    Type: Application
    Filed: September 19, 2017
    Publication date: February 6, 2020
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD, Engelbert KOECK
  • Publication number: 20190390674
    Abstract: A screw compressor for a utility vehicle has at least one housing and a relief valve. The relief valve includes a spring-loaded closure mechanism with at least one spring and at least one closure element. The spring has a spring force which is dimensioned such that it actuates the closure element when a predefined minimum pressure above the atmospheric pressure is reached.
    Type: Application
    Filed: September 19, 2017
    Publication date: December 26, 2019
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD
  • Publication number: 20190390672
    Abstract: A screw compressor for a utility vehicle has at least one female screw, at least one male screw that meshes with the female screw, and at least one screw compressor drive which drives the female screw.
    Type: Application
    Filed: September 19, 2017
    Publication date: December 26, 2019
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD
  • Publication number: 20190390673
    Abstract: A screw compressor for a utility vehicle includes at least one housing, at least one housing cover and at least one rotor housing. At least one seal is provided, wherein, when assembled, there is an oil sump in the housing, and the seal is arranged between the housing cover and the rotor housing and projects out of the oil sump with respect to the assembled state. The seal is formed as a sealing plate and has multiple passage openings.
    Type: Application
    Filed: September 19, 2017
    Publication date: December 26, 2019
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD
  • Publication number: 20190383334
    Abstract: A motor vehicle clutch for frictionally connecting and separating a drive assembly to/from an auxiliary assembly, has a bearing for transferring an axial force to at least one plate spring by way of a contact surface, for opening the clutch. The plate spring has spring tongues protruding radially inward, which have recesses between each other. The bearing has pins for radially immovable and rotationally fixed immobilizing of the plate spring, which pins extend from the contact surface in the axial direction of the motor vehicle clutch and are configured to be received by the recesses between the spring tongues and to engage therewith.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 19, 2019
    Inventors: Michel SAINTIVE, Jean-Baptiste MARESCOT, Frederic AMIOT, Joerg MELLAR
  • Publication number: 20190376517
    Abstract: A screw compressor system for a utility vehicle has at least one screw compressor, at least one screw compressor drive, at least one temperature probe and at least one control and regulation unit. The control and/or regulation unit is connected to the screw compressor drive and to the temperature probe and is designed and configured such that it controls, in accordance with a temperature threshold signal obtained from the temperature probe, the screw compressor drive with respect to a rotational speed.
    Type: Application
    Filed: September 19, 2017
    Publication date: December 12, 2019
    Applicant: KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GMBH
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD
  • Patent number: 10480499
    Abstract: A crankcase assembly for a reciprocating machine is provided in which a crankcase having at least one cylinder with a wet cylinder liner arranged therein. A cylinder head for charging and discharging pressurized gas is mounted on the crankcase and a cylinder head gasket for preventing leakage of pressurized gas out of the cylinder is arranged between the crankcase and the cylinder head and is running circumferentially spaced from the inner wall of the cylinder liner. A circumferential coolant channel is formed between the inner crankcase wall and an outer wall of the cylinder liner, wherein a lower sealing means is arranged between the inner crankcase wall and the cylinder liner on the crankshaft side of the coolant channel for preventing leakage of coolant fluid. An upper sealing means is arranged between the inner crankcase wall and the cylinder liner on the cylinder head side of the coolant channel for preventing leakage of coolant fluid.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: November 19, 2019
    Assignees: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH, Bendix Commercial Vehicle Systems LLC
    Inventors: Gilles Hebrard, Jean-Baptiste Marescot, Joerg Mellar, Thomas Weinhold, Thomas Franz, Jeffrey Geither, Edward Hoban, Justin Huffman, Nicholas Petek
  • Publication number: 20190338776
    Abstract: A screw compressor for a utility vehicle includes at least one housing and at least one air-oil separator holder arranged at the housing. The air-oil separator holder is manufactured from a non-corrosive material. A relief valve is provided, which is arranged in the air-oil separator holder and by which the interior of the screw compressor can be relieved of pressure.
    Type: Application
    Filed: September 19, 2017
    Publication date: November 7, 2019
    Applicant: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD
  • Publication number: 20190338768
    Abstract: A method produces a housing of a rotary screw compressor, the housing having at least one housing body and at least one housing cover. The method includes the following steps: bearing seats for at least one screw rotor of the rotary screw compressor are provided in the housing body and in the housing cover; at least one screw borehole for the at least one screw rotor of the rotary screw compressor is provided in the housing body; the housing body and the housing cover are temporarily assembled using at least one alignment tool for ensuring the alignment of the screw rotor central axis with the central axes of the bearing seats and the screw borehole; and at least one bolt insertion opening is provided in both the housing body and the housing cover by at least one common production process.
    Type: Application
    Filed: September 19, 2017
    Publication date: November 7, 2019
    Applicant: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD
  • Publication number: 20190338778
    Abstract: A screw compressor system for a utility vehicle has at least one screw compressor, at least one screw compressor drive and at least one control and/or regulation unit. The control and/or regulation unit is connected to the screw compressor drive and is designed and configured such that it monitors, when the screw compressor is in operation, the ratio of idle time and switched on time of the screw compressor drive and this ratio controls and regulates to a predetermined range.
    Type: Application
    Filed: September 19, 2017
    Publication date: November 7, 2019
    Applicant: KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GMBH
    Inventors: Gilles HEBRARD, Jean-Baptiste MARESCOT, Joerg MELLAR, Thomas WEINHOLD